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Enantioselective Copper-Catalyzed Intermolecular Amino- and Azidocyanation of Alkenes in a Radical Process.

Asymmetric copper-catalyzed intermolecular amino- and azidocyanation reactions of alkenes have been developed that proceed via a radical process in which a key benzylic radical intermediate is enantioselectively trapped by a chiral Box/CuII cyanide complex. A variety of enantiomerically enriched β-amino/azido alkylnitriles were efficiently synthesized. The β-azido alkylnitriles could be converted into a series of highly valuable optically active amine-based building blocks and bioactive compounds.