Which of the following compounds will produce | vedclass

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(A) The $S_N2$ reaction proceeds with inversion of configuration at the chiral center where the nucleophilic substitution occurs. In the product shown

Vedclass · Accepted Answer

trans $-1-$ iodo $-2-$ methylcyclopentane

Vedclass · Answer

(A) The $S_N2$ reaction proceeds with inversion of configuration at the chiral center where the nucleophilic substitution occurs. In the product shown,the $-CN$ group is on the same side as the $-H$ atom at the $C-1$ position,meaning the $-CN$ group is in the cis position relative to the $-CH_3$ group at $C-2$. Since $S_N2$ involves inversion,the starting material must have the leaving group $(-I)$ in the trans position relative to the $-CH_3$ group. Therefore,the starting material is trans $-1-$ iodo $-2-$ methylcyclopentane.

Which of the following compounds will produce the product shown in the image upon reaction with $NaCN$ via an $S_N2$ mechanism?

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