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Chapter 24: Q.16. (page 962)

Question: What β-keto ester is formed when each ester is used in a Claisen reaction?

Short Answer

Expert verified

Answer

a.

b.

Step by step solution

01

Claisen reaction

The reaction between two molecules of an ester in presence of a base (alkoxide base) is named Claisen reaction.

02

Claisen reaction mechanism

A general Claisen reaction is shown below:

The mechanism of Claisen reaction is shown below:

Claisen reaction mechanism

03

β-keto ester formed by the Claisen reaction of the given esters

The Claisen reaction of the ester is shown below.

a.

Claisen reaction of ester a.

b.

The Claisen reaction of the ester is shown below.

Claisen reaction of ester b.

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Most popular questions from this chapter

Question: Octinoxate is an unsaturated ester used as an active ingredient in sunscreens.(a) What carbonyl compounds are needed to synthesize this compound using a condensation reaction?(b) Devise a synthesis of octinoxate from the given organic starting materials and any other needed reagents.

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