Q59 · CSIR-NET Chemistry, June 2014
Paper: CSIR-NET June 2014 · Subject: Organic Chemistry · Chapter: Pericyclic Reactions · Topic: Pericyclic Reactions – General · Marks: 2 · Difficulty: Medium
The major product formed in the following reaction is 
$\xrightarrow{\Delta}$
$\xrightarrow{\Delta}$(a)
(b)
(c)
(d)
Answer
Answer: B ✓ checked by 4AB · confidence medium
Explanation
Thermal conrotatory opening of the cis-aziridine gives the azomethine ylide. [3+2] cycloaddition with diphenylacetylene gives the 3-pyrroline with the two ester groups trans (b).
Study loop for Pericyclic Reactions