[Cu2(bpnp)(OH)(CF3COO)3]; tetrabutylammomium bromide; ammonia; caesium carbonate in ethylene glycol T=140°C; 16 h; Sealed tube; chemoselective reaction;

dicyclohexyl(2',4',6'-triisopropyl-5-methoxy-3,4,6-trimethyl-[1,1'-biphenyl]-2-yl)phosphine; C50H70NO4PPdS; C50H70NO4PPdS; dicyclohexyl(2',4',6'-triisopropyl-4-methoxy-3,5,6-trimethyl-[1,1'-biphenyl]-2-yl)phosphine; ammonia; sodium t-butanolate in 1,4-dioxane T=60°C; 24 h; Inert atmosphere;