EBK ESSENTIAL ORGANIC CHEMISTRY
EBK ESSENTIAL ORGANIC CHEMISTRY
3rd Edition
ISBN: 8220100659461
Author: Bruice
Publisher: PEARSON
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Chapter 13, Problem 30P
Interpretation Introduction

Interpretation:

Structures of four β keto ester that is obtained from the mixture of methyl acetate and methyl propanoate have to be drawn.

Concept Introduction:

Reaction of an ester having an α hydrogen with one equivalent of a base to yield a β keto ester.

Mechanism for Claisen Condensation:

EBK ESSENTIAL ORGANIC CHEMISTRY, Chapter 13, Problem 30P

  • A base abstracts a proton from the αcarbon forms enolate ion.
  • The enolate ion gets attached to the carbonyl carbon of another ester.
  • The negative charge on oxygen of the carbonyl group reforms, by removing an alkoxide ion.

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