Pearson eText Organic Chemistry -- Instant Access (Pearson+)
Pearson eText Organic Chemistry -- Instant Access (Pearson+)
8th Edition
ISBN: 9780135213711
Author: Paula Bruice
Publisher: PEARSON+
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Chapter 28, Problem 47P
Interpretation Introduction

Interpretation:

Mechanism for given reaction has to be proposed.

Concept introduction:

Pericyclic reactions are “ any concerted reaction in which bonds are formed or brocken in a cyclic transition state”.  There is a single transition state from start to finish, in contrast to a stepwise reaction.

In a sigmatropic reaction “ one new sigma-bond is formed as another breaks.”

Pearson eText Organic Chemistry -- Instant Access (Pearson+), Chapter 28, Problem 47P

Sigmatropic rearrangement reactions are designated with digits.  For example a [1, 3] sigmatropic rearrangement describe a reaction in which the residue migrates from position 1 to position 3.

Migration of carbon and hydrogen will occur in a sigmatropic rearrangement reaction.

Mechanism gives the step wise processes occurs in a particular reaction.

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