3 years ago

Regio- and Stereospecific Copper-Catalyzed Substitution Reaction of Propargylic Ammonium Salts with Aryl Grignard Reagents

Regio- and Stereospecific Copper-Catalyzed Substitution Reaction of Propargylic Ammonium Salts with Aryl Grignard Reagents
Victor Martín-Heras, Manuel Guisán-Ceinos, Mariola Tortosa
We have developed a copper-catalyzed substitution reaction of propargylic ammonium salts with aryl Grignard reagents. The reaction is stereospecific and α-regioselective and proceeds with exceptional functional group tolerance. Conveniently, a stable, inexpensive, and commercially available copper salt is used and no added ligand is required.

Publisher URL: http://dx.doi.org/10.1021/jacs.7b05273

DOI: 10.1021/jacs.7b05273

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