A new and efficient method for the synthesis of α,α-dihaloketones by oxyhalogenation of alkynes using oxone®-KX (X = Cl, Br, or I)

A simple and efficient method for the preparation of α,α-dichloroketones, α,α-dibromoketones, and α,α-diiodoketones by oxyhalogenation of alkynes using oxone® and KX (X = Cl, Br, or I) is described.