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(A) The reaction involves the acid-catalyzed dehydration of $1$-methylcyclohexanol. $1$. Protonation of the hydroxyl group occurs to form a good leavi

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$1-$methylcyclohexene

Vedclass · Answer

(A) The reaction involves the acid-catalyzed dehydration of $1$-methylcyclohexanol. $1$. Protonation of the hydroxyl group occurs to form a good leaving group $(-OH_2^+)$. $2$. Loss of water generates a tertiary $(3^{\circ})$ carbocation at the $C1$ position. $3$. Elimination of a proton from the adjacent carbon ($C2$ or $C6$) leads to the formation of the most stable alkene. $4$. According to Zaitsev's rule,the more substituted alkene is the major product. $5$. Elimination from $C2$ gives $1$-methylcyclohexene,which is a trisubstituted alkene and more stable than the disubstituted $3$-methylcyclohexene or the exocyclic methylenecyclohexane. Therefore,the major product $P$ is $1$-methylcyclohexene.

The product $P$ is :

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