1: With tetrakis(triphenylphosphine) palladium(0) in N,N-dimethyl-formamide T=80°C; 2: With ammonia in diethyl ether; water; N,N-dimethyl-formamide T=20°C;

in N,N-dimethyl-formamide T=100°C; 8 h; Sealed tubeInert atmosphere;

1: With sodium tetrahydroborate; cobalt(II) chloride in ethanol T=50°C; 2 h; 2: With hydrogenchloride; water in ethanol T=20°C; pH=1 - 2; 3: With ammonia in ethanol; water pH=9;