ABC26OR0144 · Pericyclic Reactions
Subject: Organic Chemistry · Chapter: Pericyclic Reactions · Topic: Pericyclic Reactions – General · Exam: CSIR-NET JUNE 2013 · Marks: 2 · Difficulty: Medium
The major product formed in the following reaction is 
+ 
+ (a)
(b)
(c)
(d)
Answer
Answer (as printed): A
Explanation
In presence of heat, the diene and dienophile undergo a concerted reaction to give the [4+2] cycloaddition (popularly known as diels alder) reaction. The nitro functional group of the formed product is reduced in presence of $\mathrm{TiCl_{3}}$ and HCl (Mcmurry method) to give the final carbonyl compound.