1: N-(2-deuteriophenyl)-2-aminopyridine With palladium diacetate in dichloromethane T=65 - 70°C; 4 h; 2: PhBF3(-)K(+) With silver(I) acetate; p-benozquinone in 1,4-dioxane T=110°C; 4 h;

silver(I) acetate; palladium diacetate; dimethyl sulfoxide; p-benozquinone in 1,4-dioxane T=130 - 140°C; 48 h;

1: silver(I) acetate; palladium diacetate; dimethyl sulfoxide; p-benozquinone / 1,4-dioxane / 48 h / 130 - 140 °C 2: silver(I) acetate; palladium diacetate / 1,4-dioxane / 1 h / 140 °C View Scheme

Iron (III) nitrate nonahydrate; oxygen; copper diacetate; 2,2,2-trimethylacetic acid in N,N-dimethyl-formamide T=130°C; 18 h;