1: Hydrogen / 10percent Pd-C / ethanol; tetrahydrofuran / 2585.7 Torr 2: CH2Cl2 / THF can be used instead of methylene dichloride. 3: 0.36 g / 70percent Nitric acid / acetic acid / 0.75 h / 10 °C 4: 0.2 g / Concentrated hydrochloric acid / ethanol / 6 h / Heating View Scheme

1: CH2Cl2 / THF can be used instead of methylene dichloride. 2: 0.36 g / 70percent Nitric acid / acetic acid / 0.75 h / 10 °C 3: 0.2 g / Concentrated hydrochloric acid / ethanol / 6 h / Heating View Scheme

hydrogenchloride in ethanol 6 h; Heating;

1: 0.36 g / 70percent Nitric acid / acetic acid / 0.75 h / 10 °C 2: 0.2 g / Concentrated hydrochloric acid / ethanol / 6 h / Heating View Scheme

ammonium nitrate; potassium carbonate 1) THF, TFAA, 15 min, room temperature, 2) Methanol, water, 18 h, room temperature.; Yield given. Multistep reaction. Yields of byproduct given;