Organic Chemistry
Organic Chemistry
7th Edition
ISBN: 9780321803221
Author: Paula Y. Bruice
Publisher: Prentice Hall
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Chapter 28.5, Problem 14P
Interpretation Introduction

Interpretation:

It should explained that why was a deuterated compound used in the given reaction.

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.

There are mainly three types of pericyclic reactions,

  1. 1) Electrocyclic reactions
  2. 2) Cycloaddition reactions
  3. 3) Sigmatropic reactions

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

Organic Chemistry, Chapter 28.5, Problem 14P

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

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