What is the product of the following reaction | vedclass

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(B) The reaction is a hydroboration-oxidation of $1$-methylcyclopentene. Hydroboration-oxidation is a syn-addition reaction that follows anti-Markovni

Vedclass · Accepted Answer

$2-$methylcyclopentanol (cis-isomer)

Vedclass · Answer

(B) The reaction is a hydroboration-oxidation of $1$-methylcyclopentene. Hydroboration-oxidation is a syn-addition reaction that follows anti-Markovnikov regioselectivity. In $1$-methylcyclopentene,the double bond is between $C_1$ and $C_2$. The $OH$ group adds to the less substituted carbon $(C_2)$ and the $H$ atom adds to the more substituted carbon $(C_1)$. Since it is a syn-addition,both the $H$ and $OH$ add from the same face of the ring. Therefore,the product is $2$-methylcyclopentanol where the $H$ at $C_1$ and the $OH$ at $C_2$ are cis to each other. This corresponds to the cis-isomer of $2$-methylcyclopentanol.

What is the product of the following reaction?

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