1: 5percent aq. sodium hypochloride, triethylamine / CH2Cl2 / 2 h / 0 °C 2: 76.5 percent / H2 / Raney nickel / acetic acid; methanol; H2O / 2 h 3: 89 percent / aluminum oxide / benzene / 0.25 h / Heating 4: 94 percent / cerium(III) chloride heptahydrate, sodium borohydride / methanol / 0.17 h / Ambient temperature 5: 42 percent / aluminum oxide / toluene / 0.5 h / Heating 6: 77 percent / p-toluenesulfonic acid monohydrate / methanol / 12 h / Ambient temperature 7: 75 percent / 1,3-dicyclohexylcarbodiimide, 4-(dimethylamino)pyridine / CH2Cl2 / 72 h / Ambient temperature 8: 10percent aq. HCl / tetrahydrofuran / 4 h / 50 °C 9: pyridinium chlorochromate, aluminum oxide / CH2Cl2 / 8 h / Ambient temperature 10: 30 percent / hydrofluoric acid / acetonitrile; H2O / 8 h / 45 °C View Scheme