hydrogen; platinum(IV) oxide in methanol P=760 Torr; 3 h; Ambient temperature;

1: 93 percent / aq. 31percent H2O2, aq. 24percent NaOH / methanol / 1 h / 10 °C / addition at -5 to 0 deg C 2: 53 percent / hydrogen / Pd/C / acetic anhydride / 760 Torr / Ambient temperature View Scheme

pyridine; dicyclohexyl-carbodiimide; trifluoroacetic acid in dimethyl sulfoxide; benzene 2 h; Ambient temperature;