hydrogen; platinum(IV) oxide in methanol T=25°C; P=735.5 Torr; 20 h;

1: 60 percent / NBS, benzoylperoxide / CCl4 / 5 h / Heating; Irradiation 2: 40 percent / 0.2 N NaOH / methanol / Ambient temperature 3: 90 percent / H2 / PtO2, 80percent / methanol / 20 h / 25 °C / 735.5 Torr View Scheme

1: 50 percent / 2,6-lutidine / benzene 2: 65 percent / NaH / dimethylformamide; CH2Cl2 / Ambient temperature 3: water, 0.1 N NaOH / pyridine; methanol / 24 h / Heating View Scheme

1: 50 percent / 2,6-lutidine / benzene 2: 65 percent / NaH / dimethylformamide; CH2Cl2 / Ambient temperature View Scheme