ABC26OR0411 · Reagents Reaction Mechanisms and Named Reactions
Subject: Organic Chemistry · Chapter: Reagents Reaction Mechanisms and Named Reactions · Topic: Named Reactions · Exam: CSIR-NET 2019 · Marks: 2 · Difficulty: Medium
The major product in the following reaction is: 
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 given below: $\mathrm{NaCNBH_{3}}$ selectively reduces ketone in presence of ester because ester is less electrophilic than ketone. It is a milder reducing agent than $\mathrm{NaBH_{4}}$.