The major product P and Q formed in the following reactions P Q respectively, are: · ABC26OR0617
Subject: Organic Chemistry · Chapter: Reagents, Reaction Mechanisms & Named Reactions · Topic: Reagents, Reaction Mechanisms & Named Reactions – General · Exam: GATE 2000-2022 · Marks: 2 · Difficulty: Medium
The major product P and Q formed in the following reactions 
P 
Q respectively, are:
P Q respectively, are:(a)and
(b)and
(c)and
(d)and
Answer
Answer: B ✓ checked by 4AB · confidence high
Explanation
Dimethylsulfonium methylide (Corey ylide) attacks the carbonyl to give the epoxide P; the more stabilised dimethylsulfoxonium methylide adds 1,4 to give the cyclopropyl ketone Q — (b).
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