chromium(VI) oxide; sulfuric acid; water in acetone

hydrogen; palladium on activated charcoal in ethanol; water Catalytic hydrogenation; P=2068.59 Torr; 3 h;

sodium periodate; ruthenium(IV) oxide in tetrachloromethane; water T=20°C; Oxidation; 8 h;

lithium hydroxide; dicobalt octacarbonyl in tert-butyl alcohol T=70°C; P=37503 Torr;

1.1: n-BuLi / tetrahydrofuran; hexane / 1 h / -78 °C 1.2: 96 percent / tetrahydrofuran; hexane / 0.17 h / -78 °C 2.1: 1.03 g / N,N-dimethylaminoethanol / 8 h / 80 °C 3.1: 69 percent / Et3N; trichlorosilane / benzene / 0.17 h / 20 °C 4.1: Co2(CO)8 / CH2Cl2 / 0.5 h / 0 °C 4.2: BF3*Et2O / CH2Cl2 / 0.17 h / -78 - 0 °C 4.3: 74 percent / CAN / methanol / 0.5 h / 0 °C 5.1: K2CO3 / methanol / 1 h / 20 °C 6.1: NaIO4 / RuO2*xH2O / H2O; CCl4 / 8 h / 20 °C View Scheme

1.1: 1.03 g / N,N-dimethylaminoethanol / 8 h / 80 °C 2.1: 69 percent / Et3N; trichlorosilane / benzene / 0.17 h / 20 °C 3.1: Co2(CO)8 / CH2Cl2 / 0.5 h / 0 °C 3.2: BF3*Et2O / CH2Cl2 / 0.17 h / -78 - 0 °C 3.3: 74 percent / CAN / methanol / 0.5 h / 0 °C 4.1: K2CO3 / methanol / 1 h / 20 °C 5.1: NaIO4 / RuO2*xH2O / H2O; CCl4 / 8 h / 20 °C View Scheme

1: K2CO3 / methanol / 1 h / 20 °C 2: NaIO4 / RuO2*xH2O / H2O; CCl4 / 8 h / 20 °C View Scheme

oxidation at the Ni-hydroxide electrode;

ethyl acetate; platinum Hydrogenation;

1: pentyl sodium; petroleum ether / Anschliessend behandeln mit Kohlendioxid. 2: platinum; ethyl acetate / Hydrogenation View Scheme