lithium aluminium tetrahydride in diethyl ether 3 h; Heating;

1: NaH / dimethylformamide / 1) 15 min, 2) 80-85 deg C, 4 h 2: LiCl, H2O / 5 h / Heating View Scheme

1: 81 percent / Ph3P, Br2 in CCl4, pyridine / CH2Cl2 / 1 h / Ambient temperature 2: NaH / dimethylformamide / 1) 15 min, 2) 80-85 deg C, 4 h 3: LiCl, H2O / 5 h / Heating View Scheme

water; lithium chloride 5 h; Heating; Yield given;