EP ESSENTIAL ORG.CHEM.-MOD.MASTERING
EP ESSENTIAL ORG.CHEM.-MOD.MASTERING
3rd Edition
ISBN: 9780133858501
Author: Bruice
Publisher: PEARSON CO
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Chapter 13, Problem 42P
Interpretation Introduction

Interpretation:

Product formed when a 1,6-diester instead of a 1,7-diester is used has to be given.

Concept Introduction:

Claisen Condensation is the reaction of an ester having an α hydrogen with one equivalent of a base to yield a β keto ester.

Mechanism for Claisen Condensation:

EP ESSENTIAL ORG.CHEM.-MOD.MASTERING   , Chapter 13, Problem 42P

  • 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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