When cyclohexanone reacts with dimethylamine in the presence of a catalytic amount of acid (with continuous removal of water), the resulting compound belongs to which functional class?

Question

Prashant Kotian · Accepted Answer

Correct answer: B. The reaction of a secondary amine (such as dimethylamine) with a ketone (such as cyclohexanone) under acidic conditions yields an enamine. The initial nucleophilic attack forms a hemiaminal that loses water by removing an alpha-hydrogen from the cyclohexyl ring, resulting in a carbon-carbon double bond adjacent to the nitrogen.

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