hydrogen; 10 palladium on active carbon in methanol Ambient temperature;

1: 88 percent / H2 / Pd/C (10 percent Pd) / methanol / Ambient temperature 2: 87 percent / PbO2 / CHCl3 / further reagents: FeCl3 in MeOH 3: 97 percent / HNO3 (65 percent) / 0.03 h View Scheme