Although acid is not needed to dehydrate the aldol products, it will enhance the reaction of the aldol product. Write a mechanism for this acid-catalyzed dehydration reaction.
The aldol reaction is a reaction between two carbonyl compounds. Aldol reactions often proceed through as aldol condensation if the participating enolates are formed only in equilibrium.
Answer and Explanation:
Under the reaction condition an aldol reaction occur first and it leads to formation of the beta-hydroxy carbonyl compound. Then E1 elimination takes place (dehydration).
The mechanism for the acid-catalyzed dehydration reaction is shown below.
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Learn more about this topic:
from Organic & Inorganic Compounds Study GuideChapter 12 / Lesson 1