Triphenylphosphine dichloride

CAS 2526-64-9, Cat. No EN300-1698807
Reagent for chlorination

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Triphenylphosphine dichloride is a versatile reagent in organic synthesis, utilized for converting alcohols to alkyl chlorides, carboxylic acids to acyl chlorides, and epoxides to vicinal dichlorides¹. It is highly moisture-sensitive, necessitating storage under dry conditions and careful handling. Specific applications include the chlorination of allylic alcohols, the preparation of iminophosphoranes, and the cleavage of esters to acid chlorides. The reagent provides high regio- and stereoselectivity, making it valuable for various chemical transformations.

Synonyms: dichlorotriphenylphosphorane; triphenyldichlorophosphorane; chlorotriphenylphosphonium chloride; phosphorane, dichlorotriphenyl-; dichloro(triphenyl)-lambda5-phosphane