CH3ČO `H CH CH3 add slowly CH3CH20 CH5O° CH2 OC,Hs add slowly

Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter10: Entropy And The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 10.72PAE
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There are other condensation reactions similar to the aldol and Claisen condensations:
a. The Perkin condensation is the condensation of an aromatic aldehyde and acetic anhydride. Draw the product obtained from the following Perkin
condensation:

b. What compound is formed if water is added to the product of a Perkin condensation?
c. The Knoevenagel condensation is the condensation of an aldehyde or a ketone that has no a-hydrogens and a compound such as diethyl malonate
that has an a-carbon flanked by two electron-withdrawing groups. Draw the product obtained from the following Knoevenagel condensation:

d. What product is obtained when the product of a Knoevenagel condensation is heated in an aqueous acidic solution?

CH3ČO
`H
CH
CH3
add slowly
CH3CH20
CH5O°
CH2
OC,Hs
add slowly
Transcribed Image Text:CH3ČO `H CH CH3 add slowly CH3CH20 CH5O° CH2 OC,Hs add slowly
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