A model kit is to be constructed for the given alkyl halide substrate which undergoes E2 reaction, and the position of the phenyl ring is to be compared with its product. Concept introduction: E2 reaction is the stereospecific reaction and gives only one diastereoisomers as the product. For an E2 reaction to occur, the leaving group and a hydrogen atom on the adjacent carbon that is eliminated must be anti to each other. Since there are no restriction around a C-C single bond, they can rotate to get the required anti conformation. The anti-conformation is better understood with its Newman projection.

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Chapter 8, Problem 8.14YT

Interpretation Introduction

Interpretation:

A model kit is to be constructed for the given alkyl halide substrate which undergoes E2 reaction, and the position of the phenyl ring is to be compared with its product.

Concept introduction:

E2 reaction is the stereospecific reaction and gives only one diastereoisomers as the product. For an E2 reaction to occur, the leaving group and a hydrogen atom on the adjacent carbon that is eliminated must be anti to each other. Since there are no restriction around a C-C single bond, they can rotate to get the required anti conformation. The anti-conformation is better understood with its Newman projection.

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