hydrogen; palladium/active carbon in ethanol P=775.743 Torr; 18 h;

potassium carbonate; tetrakis(triphenylphosphine) palladium(0) in ethanol; toluene T=80°C; 20.5 h;

triethylamine; tris-(o-tolyl)phosphine; palladium diacetate in acetonitrile 18 h; Heating / reflux;

1: With dicyclohexyl(2′,6′-dimethoxybiphenyl-2-yl)phosphine; palladium diacetate in 1,4-dioxane T=23°C; 0.166667 h; Inert atmosphere; 2: With potassium phosphate; water in 1,4-dioxane T=23 - 100°C; 2.5 h; Inert atmosphere;