hydrazine hydrate in methanol; hexane

1: 90 percent / cc. sulphuric acid / 1 h / 50 °C 2: 70 percent / fuming nitric acid, acetic anhydride / acetic acid / 6 h / -15 °C 3: 76 percent / aq. potassium hydroxide / ethanol; H2O / 1 h / Heating 4: 75 percent / H2 / 10percent Pd/C / methanol / 12 h / 760 Torr / Ambient temperature View Scheme

1: 70 percent / fuming nitric acid, acetic anhydride / acetic acid / 6 h / -15 °C 2: 76 percent / aq. potassium hydroxide / ethanol; H2O / 1 h / Heating 3: 75 percent / H2 / 10percent Pd/C / methanol / 12 h / 760 Torr / Ambient temperature View Scheme

1: zinc chloride / 230 - 240 °C 3: glacial acetic acid; nitric acid / -5 - 5 °C 4: alcoholic hydrochloric acid / Hydrolysis 5: zinc; diluted acetic acid View Scheme

1: cobalt chloride / >200 3: glacial acetic acid; nitric acid / -5 - 5 °C 4: alcoholic hydrochloric acid / Hydrolysis 5: zinc; diluted acetic acid View Scheme