1: 95 percent / hydrogen / 10percent palladium-charcoal / methanol / 1.5 h / 60 °C / 75006 Torr 2: 70 percent / aq. 50percent sodium hydroxide / 24 h / 100 °C View Scheme

1: 95 percent / hydrogen / 10percent palladium-charcoal / methanol / 1.5 h / 60 °C / 75006 Torr 2: 70 percent / aq. 50percent sodium hydroxide / 24 h / 100 °C 3: 56 percent / sodium hydride / tetrahydrofuran / 24 h / Heating 4: 96 percent / hydrogen / 10percent palladium-charcoal / methanol / 1.5 h / 60 °C / 75006 Torr View Scheme

hydrogen; palladium on activated charcoal in methanol T=60°C; P=75006 Torr; 1.5 h;

1: 95 percent / hydrogen / 10percent palladium-charcoal / methanol / 1.5 h / 60 °C / 75006 Torr 2: 70 percent / aq. 50percent sodium hydroxide / 24 h / 100 °C 3: 56 percent / sodium hydride / tetrahydrofuran / 24 h / Heating View Scheme