C-H Amination Mediated by Cobalt Organoazide Adducts and the Cor-responding Cobalt Nitrenoid Intermediates.

Treatment of (ArL)CoBr (ArL = 5-mesityl-1,9-(2,4,6-Ph3C6H2)dipyrrin) with a stoichiometric amount of 1-azido-4-(tert-butyl)benzene N3(C6H4-p-tBu) furnished the corresponding four-coordinate organoa...