unit 7

Instructions

Answer the questions in the document. When you are finished, use the  Image Capture and Upload  tutorial (Google Docs) to document your work and upload it to the appropriate Dropbox area folder. To complete this assessment, you must be able to: 

1. Write the mechanism for the aldol condensation to the beta-hydroxyaldehyde/ketone.

2. Write the mechanism for the dehydration of the aldol product.

3. Write the mechanism for an intramolecular aldol.

4. Write the mechanism for the Claisen condensation. 

CHEM 2400 Dropbox Quiz—Unit 7 Name_____________________

Questions

1. (4 points) Write structures for the carbonyl electrophile and enolate nucleophile that react to give the aldol below.

2. (2 points) Draw the structure of the major aldol product (prior to possible dehydration) of the following reaction without specifying stereochemistry.

3. (4 points) Write structures for the carbonyl electrophile and enolate nucleophile that react to give the enone below.

4. (5 points) The compound shown below is the product of a Claisen condensation. Draw structural formulas for the ester and enolate ion reactants.