hydrogen; palladium on activated charcoal in ethanol T=90°C; P=44130.5 Torr; 1.5 h;

1: 58 percent / 2.5 h / 150 °C 2: 60 percent / std. aq. NaHCO3 / 1.5 h / Ambient temperature 3: 87 percent / hydrogen / 10 percent Pd-C / ethanol / 1.5 h / 90 °C / 44130.5 Torr View Scheme

1: 60 percent / std. aq. NaHCO3 / 1.5 h / Ambient temperature 2: 87 percent / hydrogen / 10 percent Pd-C / ethanol / 1.5 h / 90 °C / 44130.5 Torr View Scheme

1: hydrazine hydrate / methanol / 16 h / 20 °C / |Inert atmosphere 2: 2.5 h / 150 °C / |Inert atmosphere 3: sodium hydrogencarbonate / 1.5 h / 20 °C / |Inert atmosphere 4: hydrogen; palladium 10 on activated carbon / ethanol / 1.5 h / 50 °C / 1034.32 Torr / |Inert atmosphere View Scheme