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(D) The reaction sequence is as follows:$1$. Allylic bromination of cyclohexene with $Br_2$ in the presence of $h
u$ gives $3$-bromocyclohexene.$2$.

Vedclass · Accepted Answer

$1-$(cyclohex$-2-$en$-1-$yl)ethanone

Vedclass · Answer

(D) The reaction sequence is as follows:$1$. Allylic bromination of cyclohexene with $Br_2$ in the presence of $h
u$ gives $3$-bromocyclohexene.$2$. Formation of Grignard reagent: $3$-bromocyclohexene reacts with $Mg$ in dry ether to form $3$-cyclohexenylmagnesium bromide.$3$. Reaction with $CdCl_2$: The Grignard reagent reacts with $CdCl_2$ to form an organocadmium compound,$(C_6H_9)_2Cd$.$4$. Reaction with $CH_3COCl$: The organocadmium compound reacts with acetyl chloride $(CH_3COCl)$ to form a ketone,$1$-(cyclohex$-2-$en$-1-$yl)ethanone.Thus,the final product is $1$-(cyclohex$-2-$en$-1-$yl)ethanone.

The major product formed in the following reaction scheme is

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