ORGANIC CHEMISTRY-PRINT (LL)-W/WILEY
ORGANIC CHEMISTRY-PRINT (LL)-W/WILEY
4th Edition
ISBN: 9781119761105
Author: Klein
Publisher: WILEY
Question
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Chapter 16.9, Problem 20CC

(a)

Interpretation Introduction

Interpretation: The product of the electrocyclic reaction should be predicted.

Concept Introduction : Electrocyclic reactions are caused by either photochemical or thermal conditions. The disrotatory and conrotatory closure of the ring depends on the number of π electrons along with the given condition.

    π electronsThermalPhotochemical
    Four π electrons ConrotatoryDisrotatory
    Six π electrons DisrotatoryConrotatory

(b)

Interpretation Introduction

Interpretation: The product of the electrocyclic reaction should be predicted.

Concept Introduction : Electrocyclic reactions are caused by either photochemical or thermal conditions. The disrotatory and conrotatory closure of the ring depends on the number of π electrons along with the given condition.

    π electronsThermalPhotochemical
    Four π electrons ConrotatoryDisrotatory
    Six π electrons DisrotatoryConrotatory

(c)

Interpretation Introduction

Interpretation: The product of the electrocyclic reaction should be predicted.

Concept Introduction : Electrocyclic reactions are caused by either photochemical or thermal conditions. The disrotatory and conrotatory closure of the ring depends on the number of π electrons along with the given condition.

    π electronsThermalPhotochemical
    Four π electrons ConrotatoryDisrotatory
    Six π electrons DisrotatoryConrotatory

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