ABC26OR0331 · Reagents Reaction Mechanisms and Named Reactions
Subject: Organic Chemistry · Chapter: Reagents Reaction Mechanisms and Named Reactions · Topic: Reagents, Reaction Mechanisms & Named Reactions – General · Exam: CSIR-NET JUNE 2017 · Marks: 2 · Difficulty: Medium
The major products A and B in the following reaction sequence are:
(a)
(b)
B = 
B = (c)
B = 
B = (d)
B = 
B = Answer
Answer (as printed): A
Explanation
The mechanism of the reaction is shown below: Step 1: Step 2: The P-ylide reacts with carbonyl to form alkene by wittig reaction. Step 3:
Explanation as extracted from the printed page; notation may be imperfect.