Q56 · CSIR NET Chemistry, December 2018
Paper: CSIR NET December 2018 · Subject: Organic Chemistry · Chapter: Pericyclic Reactions · Topic: Sigmatropic Shifts · Marks: 2 · Difficulty: Medium
Following reaction is an example of 
(a)Alder-Ene reaction
(b)Michael addition
(c)Sigmatropic Rearrangement
(d)Wagner-Meerwein Rearrangement
Answer
Answer: A ✓ checked by 4AB · confidence medium
Explanation
Mg(ClO₄)₂ activates the enoate as an enophile; the intramolecular transfer of an allylic hydrogen with C–C bond formation is a (Lewis-acid catalysed) Alder-ene reaction.
Study loop for Pericyclic Reactions