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Question

(A) The reaction of $2$-methylbut-$1$-ene with $BH_3, THF$ followed by $H_2O_2/OH^-$ is a hydroboration-oxidation reaction,which follows Anti-Markovni

Vedclass · Accepted Answer

$A$ = $2-$methylbutan$-1-$ol,$B$ = $2-$methylbutan$-2-$ol

Vedclass · Answer

(A) The reaction of $2$-methylbut-$1$-ene with $BH_3, THF$ followed by $H_2O_2/OH^-$ is a hydroboration-oxidation reaction,which follows Anti-Markovnikov addition of water to the double bond. This yields $2$-methylbutan-$1$-ol as product $A$.The reaction of $2$-methylbut-$1$-ene with $Hg(OAc)_2, H_2O$ followed by $NaBH_4$ is an oxymercuration-demercuration reaction,which follows Markovnikov addition of water to the double bond. This yields $2$-methylbutan-$2$-ol as product $B$.

Find out the major products $A$ and $B$ from the following reactions.

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