The product of the given reaction should be identified, if 1,2-dibromocycloheptane reacts with excess of potassium tert-butoxide in the given reaction. Concept introduction: The conjugated dienes absorb UV light. In an elimination reaction, alkenes are formed when alkyl halides are treated with bases via eliminating one proton and one halo group of the alkyl halide. E2 reaction is a bimolecular elimination reaction in which only one step is involved and it is favored by the strong bases . The product of the elimination reaction is depends upon the two β-positions of alkyl halide. If the β-positions are identical and the products formed are also identical . Potassium tert-butoxide is a strong bulky base . To identify: the product of the given reaction of 1,2-dibromocycloheptane and excess of potassium tert-butoxide and it absorbs UV light. # assumes E2 reactions are involved in the given reaction (because the product should have double bonds to absorb UV light).

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Chapter 17, Problem 62IP

Interpretation Introduction

Interpretation:

The product of the given reaction should be identified, if 1,2-dibromocycloheptane reacts with excess of potassium tert-butoxide in the given reaction.

Concept introduction:

The conjugated dienes absorb UV light.

In an elimination reaction, alkenes are formed when alkyl halides are treated with bases via eliminating one proton and one halo group of the alkyl halide.

E2 reaction is a bimolecular elimination reaction in which only one step is involved and it is favored by the strong bases.

The product of the elimination reaction is depends upon the two β-positions of alkyl halide. If the β-positions are identical and the products formed are also identical.

Potassium tert-butoxide is a strong bulky base.

To identify: the product of the given reaction of 1,2-dibromocycloheptane and excess of potassium tert-butoxide and it absorbs UV light.

#assumes E2 reactions are involved in the given reaction (because the product should have double bonds to absorb UV light).

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