Help with Haloform Reactions - Organic Chemistry

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Question

Which of the following best summarizes the haloform reaction?

Answer

The haloform reaction requires a carbonyl with a terminal alpha carbon. A hydrogen gets abstracted, and the enolate is formed. A halogen attacks the alpha carbon, and the ketone is reformed. This occurs three more times until the carbon has bonds to three halogens. Then the carbon leaves, forming a carbanion, and the base attacks the carbonyl carbon. An ester is formed.

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