Organic Chemistry; Organic Chemistry Study Guide A Format: Kit/package/shrinkwrap
Organic Chemistry; Organic Chemistry Study Guide A Format: Kit/package/shrinkwrap
8th Edition
ISBN: 9780134581064
Author: Bruice, Paula Yurkanis
Publisher: Prentice Hall
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Chapter 28, Problem 45P
Interpretation Introduction

Interpretation:

Given transformation can be carried out using only heat or light has to be determined

Concept introduction:

Woodward – Hoffmann rules for Electrocyclic reactions are listed below

NumberofconjugatedΠbondsReactionconditionsAllowedmodeofringclosureEvennumberThermalConrotatoryPhotochemicalDisrotatoryOddnumberThermalDisrotatoryPhotochemicalConrotatory

A photochemical reaction takes place when a reactant absorbs light and a thermal reaction takes place without the absorption of light.

Woodward – Hoffmann rules for the configuration of electrocyclic reactions are,

SubstituentsinthereactantModeofringclosureConfigurationoftheproductPointinoppositedirectionsDisrotatorycisConrotatorytransPointinthesamedirectionsDisrotatorytransConrotatorycis

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Chapter 28 Solutions

Organic Chemistry; Organic Chemistry Study Guide A Format: Kit/package/shrinkwrap

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