ABC26OR0305 · Reagents Reaction Mechanisms and Named Reactions
Subject: Organic Chemistry · Chapter: Reagents Reaction Mechanisms and Named Reactions · Topic: Named Reactions · Exam: CSIR-NET JUNE 2016 · Marks: 2 · Difficulty: Medium
The major product in the following reaction is: 
(a)
(b)
(c)
(d)
Answer
SELF-PRACTICE — the source book printed no answer.
Nothing is invented here, so this question has no answer on record.
Explanation
The mechanism of the reaction is shown below: The Ha proton is less hindered compared to Hb. Thus the base KHMDS abstracts Ha proton.
Explanation as extracted from the printed page; notation may be imperfect.