Photocatalytic Atom‐Transfer Radical Addition of Activated Chlorides to Alkenes

Abstract A protocol for performing atom transfer radical addition of activated alkyl chlorides to alkenes is described. The reaction is promoted by blue light in the presence of an organic photocatalyst (3DPA2FBN), serving to generate free radicals, and a copper complex (IMesCuCl), which facilitates the chlorine transfer step. The reaction works efficiently with fluorinated and non‐fluorinated α‐chloroesters. magnified image