Baeyer-Villiger oxidation of a cyclic ketone yields which type of product?

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Multiple Choice

Baeyer-Villiger oxidation of a cyclic ketone yields which type of product?

Explanation:
Baeyer-Villiger oxidation inserts an oxygen between the carbonyl carbon and an adjacent carbon, turning a ketone into an ester. When the starting material is cyclic, this insertion causes the ring to expand by one carbon and forms a cyclic ester, a lactone. So the product is a lactone (a cyclic ester), not an alcohol, carboxylic acid, or ether. For example, a cycloalkanone becomes a larger-ring lactone like caprolactone, illustrating the ring-expansion nature of this oxidation.

Baeyer-Villiger oxidation inserts an oxygen between the carbonyl carbon and an adjacent carbon, turning a ketone into an ester. When the starting material is cyclic, this insertion causes the ring to expand by one carbon and forms a cyclic ester, a lactone. So the product is a lactone (a cyclic ester), not an alcohol, carboxylic acid, or ether. For example, a cycloalkanone becomes a larger-ring lactone like caprolactone, illustrating the ring-expansion nature of this oxidation.

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