Copper-catalyzed oxidative direct C3-cyanoarylation of quinoxalin-2(1H)-onesviadenitrogenative ring-opening of 3-aminoindazoles

A convenient and efficient copper-catalyzed oxidative C3-cyanoarylation of quinoxalin-2(1 H )-ones is developed using 3-aminoindazoles as efficient arylating agents via the cleavage of two C–N bonds.