Radical Amination with Trimethylstannylated Benzophenone Imine

Intermolecular radical amination reactions of various primary, secondary, and tertiary alkyl radicals by using trimethylstannylated benzophenone imine A as a novel radical acceptor to provide imines of type B are described. These imines are readily reduced with NaBH₄ to the corresponding secondary amines C. The novel radical amination can be combined with typical radical cyclization reactions.