Q89 · CSIR-NET Chemistry, December 2015
Paper: CSIR-NET December 2015 · Subject: Organic Chemistry · Chapter: Pericyclic Reactions · Topic: Pericyclic Reactions – General · Marks: 2 · Difficulty: Medium
The major product formed by photochemical reaction of (2E, 4Z, 6E)-decatriene is
(a)
(b)
(c)
(d)
Answer
Answer: A ✓ checked by 4AB · confidence high
Explanation
Photochemical 6π electrocyclisation is disrotatory. The (2E,4Z,6E)-triene closes to the cyclohexadiene with the methyl and propyl groups trans (a).
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