1: 1) Mg 2) 2N HCl / 1) Et2O, reflux, 30 min 2) Et2O, reflux, 1 h 2: 98 percent / aq. 20percent Na2CO3 / diethyl ether; H2O / 1 h / Ambient temperature 3: NH3 / CH2Cl2 / 3 h / Heating 4: ethanol / 3 h / Heating View Scheme

1: 98 percent / aq. 20percent Na2CO3 / diethyl ether; H2O / 1 h / Ambient temperature 2: NH3 / CH2Cl2 / 3 h / Heating 3: ethanol / 3 h / Heating View Scheme

1: 1) Mg 2) 2N HCl / 1) Et2O, reflux, 30 min 2) Et2O, reflux, 1 h 2: 98 percent / aq. 20percent Na2CO3 / diethyl ether; H2O / 1 h / Ambient temperature 3: NH3 / CH2Cl2 / 3 h / Heating 4: ethanol / 3 h / Heating View Scheme