Cu-Catalyzed Alkylarylation of Vinylarenes with Masked Alkyl Electrophiles.

A Cu-catalyzed synthesis of a range of value-added 1,1-diarylalkanes by radical alkylarylation of vinylarenes with alkyl peroxides as masked alkyl electrophiles is reported. The reaction features broad substrate scope, good functional group tolerance, and mild reaction conditions. Various bioactive molecules and key pharmaceutical intermediates have been easily synthesized by this method, demonstrating its synthetic value.