Question

Provide the structure of the BEST alkyl halide substrate to start with if you hope to obtain each of

the following products as the MAJOR elimination product:

Answer 1

(a). Methylene cyclopentane (P1) is the major product of the elimination reaction of cyclopentylmethyl bromide (S1) in the presence of strong base.

(b). 3,5-dimethylcyclohexene (P2) is the major product of the elimination reaction of 3,5-dimethylcyclohexylbromide (S2) in the presence of strong base.