ORGANIC CHEMISTRY (LL)-W/ACCESS
ORGANIC CHEMISTRY (LL)-W/ACCESS
10th Edition
ISBN: 9781259717536
Author: Carey
Publisher: MCG
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Chapter 18.12, Problem 20P
Interpretation Introduction

Interpretation:

The equations that outline two different syntheses of 3-methyl-3-heptene from 1-butanol and 2-butanol are to be discussed.

Concept introduction:

The reaction of an aldehyde or a ketone with triphenyl phosphonium ylide results in the formation of an alkene as the final product. This reaction is commonly known as Wittig reaction.

In the first step of the reaction, the nucleophilic attack of the ylide on the carbonyl carbon takes place to form betaine.

In the second step, the formation of the four-membered ring, oxaphosphetane occurs and in the final step, the alkene is formed as a product.

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