Issue Date: January 19, 2015
Nickel Shines In Ammonia Couplings
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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- Chemical & Engineering News
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