Volume 93 Issue 3 | p. 24 | Concentrates
Issue Date: January 19, 2015

Nickel Shines In Ammonia Couplings

Chemists use nickel to replace palladium in an important catalytic reaction for making aryl amines
Department: Science & Technology
News Channels: Organic SCENE, Materials SCENE
Keywords: amination, ammonia, cross-coupling, nickel catalyst, process chemistry

By developing a stable nickel catalyst system, a Canadian research team has fulfilled a quest to move beyond using expensive palladium catalysts in cross-coupling reactions to make aryl amines from ammonia. Ammonia is the simplest and most abundant N–H source in chemistry, with virtually all synthetic nitrogen-containing compounds originating from the inexpensive feedstock. Industrial syntheses of amines from ammonia, however, typically require heterogeneous catalysts at relatively high temperatures and pressures, which results in modest product . . .

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