1: 92 percent / LiAlH4 / tetrahydrofuran / 1.5 h / Heating 2: 68 percent / H2, aq. HCl / 10percent Pd/C / tetrahydrofuran / 760 Torr 3: 83 percent / acetonitrile / 0.5 h / Ambient temperature View Scheme

lithium aluminium tetrahydride in tetrahydrofuran 1.5 h; Heating;