lithium aluminium tetrahydride in tetrahydrofuran 15 h; Heating;

1: 34 percent / conc. NH3, NH4Cl / H2O; methanol / 15 h / 50 °C 2: 14 percent / LiAlH4 / tetrahydrofuran / 15 h / Heating View Scheme

1: 1) Mg / 1) ether, benzene, 30 min, reflux, 2) benzene, 4 h, reflux 2: 34 percent / conc. NH3, NH4Cl / H2O; methanol / 15 h / 50 °C 3: 14 percent / LiAlH4 / tetrahydrofuran / 15 h / Heating View Scheme

1: 1) Mg / 1) ether, benzene, 30 min, reflux, 2) benzene, 4 h, reflux 2: 34 percent / conc. NH3, NH4Cl / H2O; methanol / 15 h / 50 °C 3: 14 percent / LiAlH4 / tetrahydrofuran / 15 h / Heating View Scheme