nitric acid; acetic acid T=60°C; 4 h;

With  Cp*Rh(OTf)2; copper diacetate; potassium carbonate; 4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl-4',4',5',5'-tetramethyl-1,3,2-dioxaborolane in  o-xylene T=130°C; 24 h;  Inert atmosphere;