Find the major product for the following reac | vedclass

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Question

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

Vedclass · Accepted Answer

$1,2-$dimethylcyclohexene

Vedclass · Answer

(A) The reaction involves the acid-catalyzed dehydration of an alcohol. $1$. Protonation of the hydroxyl group occurs to form a good leaving group $(-OH_2^+)$. $2$. Loss of water generates a secondary carbocation. $3$. $A$ ring expansion occurs because the five-membered ring with a carbocation adjacent to it is less stable than a six-membered ring. The bond from the ring shifts to the carbocation center,resulting in a more stable six-membered ring with a carbocation at the adjacent position. $4$. Finally,deprotonation occurs to form the most stable alkene,which is the more substituted alkene (Saytzeff product). Thus,the major product is $1,2$-dimethylcyclohexene.

Find the major product for the following reaction.

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