Q113 · CSIR NET Chemistry, December 2014
Paper: CSIR NET December 2014 · Subject: Organic Chemistry · Chapter: Pericyclic Reactions · Topic: Pericyclic Reactions – General · Marks: 2 · Difficulty: Medium
The major product of the following reaction is 
(a)
(b)
(c)
(d)
Answer
Answer: C ✓ checked by 4AB · confidence medium
Explanation
The electron-rich arylalkyne and TCNE undergo [2+2] cycloaddition and then electrocyclic opening of the cyclobutene, giving the 1,1,4,4-tetracyanobutadiene (c).
Study loop for Pericyclic Reactions