N-ethyl-N,N-diisopropylamine; trichlorophosphate T=120°C; 0.5 h;

1: in isopropyl alcohol T=70°C; 0.5 h; 2: in diphenylether; biphenyl T=220°C; 0.5 h; 3: With hydrogen; triethylamine; palladium 10 on activated carbon in N,N-dimethyl-formamide T=20°C;

hydrogen; palladium on activated carbon in ethanol; ethyl acetate P=3040.2 Torr; 8 h;

in diphenylether Heating; Title compound not separated from byproducts.;