1: With hydrogen; Ru(II)-(S)-(-)-BINAP in methanol T=50°C; P=10343 Torr; 20 h; 2: With sodium tetrahydroborate; cobalt(II) chloride in methanol 0.5 h; 3: With hydrogenchloride T=100°C; 10 h; Title compound not separated from byproducts;

1: With hydrogen; Ru(II)-(S)-(-)-BINAP in methanol T=50°C; P=10343 Torr; 20 h; 2: With sodium tetrahydroborate; cobalt(II) chloride in methanol 0.5 h; 3: With hydrogenchloride T=100°C; 10 h; Title compound not separated from byproducts;