1-(pyridine-2-yl)-1H-benzo[d][1,2,3]triazole; copper diacetate; palladium diacetate in dimethyl sulfoxide; N,N-dimethyl-formamide T=120°C; Fujiwara Arylation Carboxylation; 12 h; Inert atmosphereSchlenk technique; regioselective reaction;