palladium 10 on activated carbon; hydrogen in tetrahydrofuran T=20°C; P=760.051 Torr; 4 h;

1: 56 percent / CrO3, conc. H2SO4 / H2O / 24 h / Ambient temperature 2: 63 percent / cyclohexene / 5percent Pd/C / ethanol / 2 h / Heating View Scheme

1: conc. aq. NH3 / diethyl ether / 2 h / Heating 2: 56 percent / CrO3, conc. H2SO4 / H2O / 24 h / Ambient temperature 3: 63 percent / cyclohexene / 5percent Pd/C / ethanol / 2 h / Heating View Scheme

1: chlorosulfonic acid / chloroform / 6.5 h / Cooling with ice; Reflux 2: ammonium hydroxide / diethyl ether / 42 h / 0 °C / Inert atmosphere 3: chromium(VI) oxide; sulfuric acid / water / 42 h / 20 °C 4: cyclohexene / 5 palladium on charcoal / ethanol / 0 °C / Reflux View Scheme