The major product X formed in the reaction given below is · ABC26OR0592
Subject: Organic Chemistry · Chapter: Reagents, Reaction Mechanisms & Named Reactions · Topic: Reagents, Reaction Mechanisms & Named Reactions – General · Exam: GATE 2000-2022 · Marks: 2 · Difficulty: Medium
The major product X formed in the reaction given below is 
(a)
(b)
(c)
(d)
Answer
Answer: C ✓ checked by 4AB · confidence high
Explanation
2,2-Dimethoxypropane/TsOH forms an acetonide only across the cis-1,2-diol; the two wedged hydroxyls give the cis-fused dioxolane (c), leaving the trans-related and allylic hydroxyls free.
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