ORGANIC CHEMISTRY
ORGANIC CHEMISTRY
6th Edition
ISBN: 9781260826791
Author: SMITH
Publisher: MCG
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Chapter 25.5, Problem 19P
Interpretation Introduction

(a)

Interpretation: The product formed by Cope or oxy-rearrangement of given starting material is to be predicted.

Concept introduction: Cope rearrangement is a thermal [3,3] sigmatropic rearrangement. This rearrangement takes place in 1,5-diene to form more thermodynamically stable compound.

Sigmatropic rearrangements are pericyclic reactions which takes place by concerted mechanism. In these rearrangements, migration of sigma bond takes place.

Interpretation Introduction

(b)

Interpretation: The product formed by Cope or oxy-rearrangement of given starting material is to be predicted.

Concept introduction: Cope rearrangement is a thermal [3,3] sigmatropic rearrangement. This rearrangement takes place in 1,5-diene to form more thermodynamically stable compound.

Sigmatropic rearrangements are pericyclic reactions which takes place by concerted mechanism. In these rearrangements, migration of sigma bond takes place.

Interpretation Introduction

(c)

Interpretation: The product formed by Cope or oxy-rearrangement of given starting material is to be predicted.

Concept introduction: Oxy-Cope rearrangement is a thermal [3,3] sigmatropic rearrangement. This rearrangement takes place in unsaturated alcohol to form more carbonyl compound.

Sigmatropic rearrangements are pericyclic reactions which takes place by concerted mechanism. In these rearrangements, migration of sigma bond takes place.

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