Abstract

The first successful example of cobalt-catalyzed reduction of N2 with Me3 SiCl and Na as a reductant, under ambient reaction conditions, gives N(SiMe3 )3 , which can be readily converted into NH3 . In this reaction system, 2,2'-bipyridine (bpy) is found to work as an effective additive to improve substantially the catalytic activity. CoN2 complexes bearing three Me3 Si groups as ancillary ligands are considered to work as key reactive species based on DFT calculations. The DFT results also allow the proposal of a detailed reaction pathway for the transformation of N2 into N(SiMe3 )3 .

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