ABC26OR0154 · Pericyclic Reactions

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 structure structure structure structure structure structure structure structure structure structure structure structure
(a)structure structure structure structure
(b)structure structure structure structure
(c)A = structure structure structure
(d)structure
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.

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