Organic Chemistry
Organic Chemistry
9th Edition
ISBN: 9781305080485
Author: John E. McMurry
Publisher: Cengage Learning
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Chapter 30.SE, Problem 27AP
Interpretation Introduction

Interpretation:

Two pericyclic reactions involved in the furan synthesis given are to be identified. A mechanism for the transformation also is to be proposed.

Concept introduction:

In cycloaddition reaction two unsaturated molecules add to one another to yield a cyclic product.

If even number of electron pair is involved then thermal reaction occur through antarafacial pathway and photochemical reactions occur through suprafacial pathway.

If odd number of electron pair is involved then thermal reaction occur through suprafacial pathway and photochemical reactions occur through antarafacial pathway.

To identify:

Two pericyclic reactions involved in the furan synthesis given.

To propose:

A mechanism for the transformation.

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