Chem 336 - Spring 2002
Organic Chemistry III
Dr. Carl C. Wamser

Chapter 21 Homework Answers

Carey, pages 853 - 857:
Problems 21.15 - 21.31


1. Condensation reactions seem to have developed more "name" reactions than most other areas of organic chemistry. For each reaction below, identify the alpha-nucleophile and the carbonyl group that would have been involved.

a) Perkin condensation

b) Knoevenagel condensation

c) Dieckmann condensation

2. Write a complete mechanism for a mixed Claisen condensation between ethyl acetate and ethyl benzoate, using sodium ethoxide as the base.