Subject: Organic Chemistry · Chapter: Pericyclic Reactions · Topic: Pericyclic Reactions – General · Exam: CSIR-NET JUNE 2018 · Marks: 2 · Difficulty: Medium
The structure of the intermediate $A$ and the major product $B$, formed in the following reaction are
(a)
(b)
(c)A =
(d)
Answer
Answer (as printed): A
Explanation
The reactant undergoes Bergman cyclization in presence of heat to give A. In presence of deuteriated-tributyl tin hydride, A gives B following radical mechanism pathway.
Explanation as extracted from the printed page; notation may be imperfect.