The major product of the following reaction s | vedclass

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Question

(A) Step $(i)$ and $(ii)$ represent the hydroboration-oxidation of the alkene,which follows anti-Markownikoff's addition of water across the double bo

Vedclass · Accepted Answer

$1-$methyl$-3-$phenylcyclohex$-1-$ene

Vedclass · Answer

(A) Step $(i)$ and $(ii)$ represent the hydroboration-oxidation of the alkene,which follows anti-Markownikoff's addition of water across the double bond. This results in the formation of an alcohol where the $-OH$ group attaches to the less substituted carbon.Step $(iii)$ involves the acid-catalyzed dehydration of the alcohol using $conc. \ H_2SO_4$. This proceeds via an $E1$ mechanism involving a carbocation intermediate,followed by the elimination of a proton to form the most stable alkene according to Zaitsev's rule.The major product formed is $1-methyl-3-phenylcyclohex-1-ene$ (or a related isomer depending on the specific structure,but based on the provided reaction sequence,the product is the more substituted alkene).

The major product of the following reaction sequence is:

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