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Question
The major product [B] in the following sequence of reaction is
The major product [B] in the following sequence of reaction is
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Solution
The correct option is A
In hydroboration of alkene, the OH group get attached to the alkene carbon which is less substituted.
The formed alcohol product in presence of dil.H2SO4 abstact a proton and get removed as water molecule to form secondary carbocation. It undergoes 1, 2 H-shift to form stable tertiary carbocation followed by deprotonation to form stable more substituted alkene product (Saytzeff product).
Hence, option (a) is correct.
In hydroboration of alkene, the OH group get attached to the alkene carbon which is less substituted.
The formed alcohol product in presence of dil.H2SO4 abstact a proton and get removed as water molecule to form secondary carbocation. It undergoes 1, 2 H-shift to form stable tertiary carbocation followed by deprotonation to form stable more substituted alkene product (Saytzeff product).
Hence, option (a) is correct.
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