The major product formed in the following reaction is heat · ABC26OR0151
Subject: Organic Chemistry · Chapter: Pericyclic Reactions · Topic: Pericyclic Reactions – General · Exam: CSIR NET JUNE 2015 · Marks: 2 · Difficulty: Medium
The major product formed in the following reaction is 
\[ \xrightarrow{\;\text{heat}\;} \]
(a)
(b)
(c)
(d)
Answer
Answer: A ✓ checked by 4AB · confidence high
Explanation
Thermal intramolecular ene reaction: the allylic CH₃ of the propenyl group donates H to the terminal CH₂, the new C–C bond closes a six-membered ring and the C=C shifts — 1-methyl-2-vinylcyclohexane (a).
Study loop for Pericyclic Reactions