hydrogen; palladium 1) acetic acid, reflux, 2h 2) CH2Cl2, 4h; Yield given. Multistep reaction;

1: 58 percent / acetic acid / 24 h / Heating 2: 100 percent / H2 / 5percent Pd/alumina / CH2Cl2 / 3 h 3: 91 percent / LiAlH4 / tetrahydrofuran / 0.5 h / Heating View Scheme

lithium aluminium tetrahydride in diethyl ether 2 h; Ambient temperature;