In the reaction sequence, [X] the structure of the major product Z and the overall yield for its formation… · ABC26OR0472
Subject: Organic Chemistry · Chapter: Reactive Intermediates · Topic: Intermediate – General · Exam: GATE 2000-2022 · Marks: 2 · Difficulty: Medium
In the reaction sequence, 
[X] 
the structure of the major product Z and the overall yield for its formation from the ketone X, are
[X] the structure of the major product Z and the overall yield for its formation from the ketone X, are(a)
and 80%
and 80%(b)
and 63%
and 63%(c)
and 63%
and 63%(d)
and 80%
and 80%Answer
Answer: B ✓ checked by 4AB · confidence high
Explanation
In the Beckmann rearrangement the group anti to OH migrates, and that is the more substituted quaternary carbon, so N ends up attached to the Me-bearing carbon. Overall yield 0.90 × 0.70 = 63 % (b).
Study loop for Reactive Intermediates