potassium hydroxide in ethanol 18 h; Heating;

1: 97 percent / KOH / ethanol / 18 h / Heating 2: 96 percent / HCl / 16.5 h View Scheme

1: 92 percent / Ba(OH)2 / dioxane; H2O 2: diethyl ether 3: 99 percent / 60percent HClO4 / H2O; acetic acid 4: 97 percent / H2 / Pd/C (5percent) / ethyl acetate; ethanol 5: CH3ONa / methanol View Scheme

1.1: 92 percent / aq. Ba(OH)2 / dioxane / 15 h / 115 °C 2.1: 99 percent / AcOH; 60 percent aq. HClO4 / 0.08 h / 35 °C 3.1: 97 percent / H2 / 5 percent Pd/C / ethanol 4.1: MeONa / methanol / 0.33 h / 60 °C 4.2: 20 percent / NaBH4 / methanol / 4 h / 60 °C 5.1: 76 percent / 1N NaOH / 3 h / 45 °C View Scheme

1: 92 percent / Ba(OH)2 / dioxane; H2O 2: diethyl ether 3: 99 percent / 60percent HClO4 / H2O; acetic acid 4: 97 percent / H2 / Pd/C (5percent) / ethyl acetate; ethanol 5: CH3ONa / methanol 6: NaBH4 / methanol View Scheme