In the reaction, [X] the major product [X] is: · ABC26OR0473
Subject: Organic Chemistry · Chapter: Reactive Intermediates · Topic: Intermediate – General · Exam: GATE 2000-2022 · Marks: 2 · Difficulty: Easy
In the reaction, 
$[\mathrm{X}]$ the major product $[\mathrm{X}]$ is:
$[\mathrm{X}]$ the major product $[\mathrm{X}]$ is:(a)
(b)
(c)
(d)
Answer
Answer: B ✓ checked by 4AB · confidence high
Explanation
Tiffeneau–Demjanov/semipinacol: diazotisation of the amine gives a cation and the trans-related ring bond migrates, contracting the ring to cyclopentanecarbaldehyde (b).
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