ammonia; nickel T=78°C; P=25742.8 Torr; Hydrogenation;

lithium aluminium tetrahydride in diethyl ether T=0 - 20°C; Reduction; 1 h;

2: Raney nickel; methanol.ammonia / 78 °C / 25742.8 Torr / Hydrogenation View Scheme

1: 72 percent / NaH / tetrahydrofuran / 2 h / 20 °C 2: 60 percent / KOH / ethanol / 12 h / 0 °C 3: 35 percent / 0.25 h / 150 °C / 4 Torr 4: 90 percent / LiAlH4 / diethyl ether / 1 h / 0 - 20 °C View Scheme

1: 95 percent / tetrahydrofuran / 12 h / 20 °C 2: 72 percent / NaH / tetrahydrofuran / 2 h / 20 °C 3: 60 percent / KOH / ethanol / 12 h / 0 °C 4: 35 percent / 0.25 h / 150 °C / 4 Torr 5: 90 percent / LiAlH4 / diethyl ether / 1 h / 0 - 20 °C View Scheme

1: 35 percent / 0.25 h / 150 °C / 4 Torr 2: 90 percent / LiAlH4 / diethyl ether / 1 h / 0 - 20 °C View Scheme

1: 60 percent / KOH / ethanol / 12 h / 0 °C 2: 35 percent / 0.25 h / 150 °C / 4 Torr 3: 90 percent / LiAlH4 / diethyl ether / 1 h / 0 - 20 °C View Scheme