1: H2SO4 / acetic acid / 1.5 h / 70 °C 2: 20percent HCl / 1 h / Heating View Scheme

1: 58 percent / diethyl ether / 2 h / Heating 2: H2SO4 / acetic acid / 1.5 h / 70 °C 3: 20percent HCl / 1 h / Heating View Scheme

1: 5percent aq. NaOH / 1.) ambient temperature, 4 h, 2.) reflux, 6 h 2: 58 percent / diethyl ether / 2 h / Heating 3: H2SO4 / acetic acid / 1.5 h / 70 °C 4: 20percent HCl / 1 h / Heating View Scheme

1: 78 percent / ethanol / 2 h / Heating 2: 5percent aq. NaOH / 1.) ambient temperature, 4 h, 2.) reflux, 6 h 3: 58 percent / diethyl ether / 2 h / Heating 4: H2SO4 / acetic acid / 1.5 h / 70 °C 5: 20percent HCl / 1 h / Heating View Scheme

hydrogenchloride 1 h; Heating; Yield given;