hydrogen; acetic acid; palladium on activated charcoal T=60°C; P=2585.7 Torr; 12 h;

1: 78 percent / H2SO4, HNO3 / 5 h / 100 °C 2: 94 percent / H2, gl. AcOH / 10percent Pd/C / 12 h / 60 °C / 2585.7 Torr View Scheme

1: 60 percent / Na2CO3 / acetone / 3 h / Ambient temperature 2: 62 percent / lithium aluminum hydride / tetrahydrofuran / 18 h / Ambient temperature 3: 18 percent / H2SO4, fuming HNO3 / 3 h / 110 °C 4: H2 / 10percent Pd/C / ethanol / 18 h / 2585.7 Torr / Ambient temperature 5: ethanol / 18 h / 110 °C View Scheme