The major product formed in the following reaction is: · ABC26OR0362
Subject: Organic Chemistry · Chapter: Reagents, Reaction Mechanisms & Named Reactions · Topic: Named Reactions · Exam: CSIR NET JUNE 2018 · Marks: 2 · Difficulty: Medium
The major product formed in the following reaction is: 
(a)
(b)
(c)
(d)
Answer
Answer: C ✓ checked by 4AB · confidence medium
Explanation
MnO₂ oxidises only the allylic alcohol to the enal; the homoallylic OH closes to the lactol, which MnO₂ oxidises further to the conjugated 4-methyl-5,6-dihydro-2H-pyran-2-one (c).
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