1: 100 percent / H2 / Pd on carbon / ethanol / 1 h / 20 - 25 °C / 2585.81 Torr 2: 64 percent / aq. HCl / 16 h / 90 - 100 °C View Scheme

hydrogen; palladium on activated charcoal in ethanol T=20 - 25°C; P=2585.81 Torr; 1 h;