Conversion of aldehydes and ketones into chloro-olefins and acetylenes using chloroiodomethane as a chloromethylene source

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Abstract
Chloroiodomethane smoothly reacts with triphenylphosphine to yield chloromethyltriphenylphosphonium iodide (1), which in turn can be utilized for the conversion of aldehydes and ketones into chloro-olefins and acetylenes upon treatment with potassium t-butoxide.