Organic Chemistry In Pharmaceutical Industry
CHEM 2040 - Organic Chemistry I
University of Cincinnati
July 15, 2023
Introduction
Aromaticity is defined as a property of the conjugated cycloalkenes , which
enhances amolecule's stabilization due to its ability todelocalize electrons
present in the orbitals of π . For example benzene is an aromatic compound
. Benzene is primarily used as an Intermediate material to produce other
chemicals which is used in different fields of life . Benzene is mainly used
as a precursor to the manufacturing of more complex chemical compounds
, such as acetaminophen . we will discuss aromaticity , benzene with its
structure , its properties and its uses in addition to one of benzene derivatives
as acetaminophen , its structure , metabolism and its uses.
Aromaticity
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
The first use of the term “aromatic” was in an article by August Wilhelm
Hofmann in 1855. Aromaticity is a property of cyclic , planar structures with
a ring of resonance bonds giving greater stability compared to other
geometric or connective arrangements with the same set of atoms . Aromatic
molecules are very stable and are not easily breaking apart to react with
other substances. Organic compounds which are not aromatic are known as
aliphatic compounds which may be cyclical but only aromatic rings have
particular stability .[1]
Benzene
Benzene is the simplest organic , aromatic hydrocarbon and parent
compound of numerous important aromatic compounds . In 1825 Benzene
was first found by the English scientist Michael Faraday. [2] who extracted
the compound from a liquid residue obtained by heating whale's oil. He
called the extracted compound 'pheno' from the Greek word “phainein'
which means to illuminate. In 1834, the molecular formula of benzene was
determined to be C6H6 by the German scientist EilhardtMitscerlich who
called the compound 'benzin' that was then changed after time to 'benzene'.
Benzene also was found in the Solar System , the atmospheres of Jupiter ,
Saturn and the moon Titan of Saturn by (Fouchet et al . 2005).[3]
Structure of benzene
In1866, Kekulé proposed that benzene (C6H6) had a cyclic structure in
which the six carbons were linked in a hexagonal ring with alternating single
and double carbon. To carbon bonds and each carbon linked to one
hydrogen . Kekulé suggested that benzene was a combination of two forms
in rapid equilibrium , or 'hybrid resonance.' [4] Acompound with
delocalized electrons is usually more stable than it would be if all of their
electrons were localized. The extra stability which a compound gains from
having electrons relocated is called 'resonance energy.'
Chemical and physical priorities of benzene
Pure benzene is a colourless, strongly refracting liquid with characteristic
odour, boiling at 80.4 °and solidifying on cooling to rhombic prisms , which
melt at 5.5 ° (D20 = 0·87865) . It is dissoluble in water, but is miscible with
alcohol, ether, carbon disulphide and other organic solvents ; it is a very
good solvent for fats , resins and higher aromatic hydrocarbons .[6] It
evaporates very easily into the air, and slowly dissolves in water. It is highly
flammable and is produced both from natural processes and from human
activity.[5]
Uses of benzene
Many companies use benzene to produce other chemicals that are used to
manufacture plastics , resins and synthetic and nylon fibres. Benzene is also
used to make rubber, lubricants , dyes , detergents and drugs . One of these
drugs is acetaminophen “paracetamol”
Acetaminophen
Analgesics are pain relief compounds and antipyretics are compounds used
to alleviate fever . One common medication that does both is aspirin ,
acetaminophen . Acetaminophen that is mostly used by people with
unwanted adverse aspirin side effects . It also Can be found in over 100
products either alone or in combination with other medications.[7]
Acetaminophen , which can be synthesized from p-aminophenol , under the
trade name Tylenol is typically better known.
Structure of acetaminophen
Acetaminophen is called in IUPAC as N-(4-hydroxyphenyl ) acetamide and
its chemical formula is C8H9NO2 and its extended formula is
HOC6H4NHCOCH3. Acetaminophen is a benzene ring center , substituted
by one hydroxyl group and the amide nitrogen atom in the para . there are
four different routes to prepare acetaminophen. Metabolism of
acetaminophen Uses of acetaminophen Conclusion Acetaminophen is
rapidly absorbed from the gastrointestinal ( GI ) tract after ingestion , and
spread rapidly across the body. Max concentrations of it in plasma are
reached within 30 to 60 minutes . Acetaminophen is metabolized
extensively by the liver by three key hepatic pathways : glucuronidation ,
sulfation , and oxidation of CYP450 2E1. Approximately 90 per cent of
acetaminophen is conjugated to renally removed sulfated and
glucuronidated metabolites . Approximately 2 per cent of the remaining
acetaminophen is excreted unchanged in the urine and the rest undergo
CYP450-mediated oxidation to form a reactive metabolite , N-acetyl - p-
benzoquinone imine (NAPQI). Under normal circumstances , this toxic
metabolite reacts in glutathione with sulfhydryl groups, converting them to
harmless metabolites before they are excreted in the urine.[9] The World
Health Organization (WHO) has expanded its advice for the use of
acetaminophen , recommending acetaminophen as the first step in any
pharmacological treatment of pain . in many chronic pain conditions such
as osteoarthritis and geriatric patients in general , acetaminophen is
recommended as first-line treatment . The broad approval of acetaminophen
is attributable primarily to a favorable safety profile compared to other
treatment options. [8]
Conclusion
Aromatic molecules are very stable , so they do not split so easily and even
react with other types of substances . Benzene , toluene , ortho-xylene , and
para-xylene are key aromatic hydrocarbons of commercial interest . Each
year around 35 million tons are produced worldwide . Benzene is used to
produce many chemical compounds and drugs like acetaminophen which
use to treatment pain
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https://academic.microsoft.com/topic/192386470 2. 'Benzene | Definition,
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https://www.britannica.com/science/benzene. 3. 2020. https://06102oeqw-
1103-y-https-link-springer-
com.mplbci.ekb.eg/referenceworkentry/10.1007/978-3-642 27833-4_1826-
4#howtocite. 4. Student book Dr. Eman Mohamed & Dr. NohaElnagdi& Dr.
Adel Ghitary, 2019, Pharmacentical Organic Chemistry 1, faculty of
pharmacy MTI, p. 1:11 5. National Center for Biotechnology Information.
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https://pubchem.ncbi.nlm.nih.gov/compound/Benzene (accessed on May
24, 2020) 6. Clar, Erich, and Regina Schoental. 1964. Polycyclic
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Efficacy”. Basic & Clinical Pharmacology & Toxicology 118 (3): 9. Erica
Dimitropoulos, New York. 2020. “Acetaminophen Toxicity: What
Pharmacists Need To Know”. Uspharmacist.Com.
https://www.uspharmacist.com/article/acetaminophen-toxicity-what-
pharmacists-need-to-know. 12. https://06102oeqw-1103-y-https-link-
springer-com.mplbci.ekb.eg/referenceworkentry/10.1007/978-3-642-
27833 13. https://06102oeqw-1103-y-https-link-springer-
com.mplbci.ekb.eg/referenceworkentry/10.1007/978-3-642-27833 14.
https://pubchem.ncbi.nlm.nih.gov/compound/Benzene 15.
http://www.sciencedirect.com/science/article/pii/B9780123864543002153
16. https://www.uspharmacist.com/article/acetaminophen-toxicity-what-
pharmacists-need-to-know 17.
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