Draw a mechanism for this reaction.
Acid catalyzed cyclization of diol:
A diol will undergo acid catalyzed cyclization reaction to afford a cyclic ether. For example, butane-1,4-diol will undergo acid catalyzed cyclization reaction to afford tetrahydrofuran.
Answer and Explanation:
The mechanism of the reaction is given below.
Step 1: One of the hydroxyl groups gets protonated to turn it into a good leaving group.
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Learn more about this topic:
from Organic & Inorganic Compounds Study GuideChapter 10 / Lesson 2