1: 87 percent / acetic acid / 1 h 2: 100 percent / LiAlH4 / tetrahydrofuran / 2 h / Ambient temperature 3: 74 percent / PCl5 / CHCl3 / 0 deg C, 15 min; r.t., 1 h 4: 91 percent / acetonitrile / 3 h / Ambient temperature 5: 100 percent / 10percent KOH / ethanol / 1.25 h / 90 °C View Scheme

1: 100 percent / LiAlH4 / tetrahydrofuran / 2 h / Ambient temperature 2: 74 percent / PCl5 / CHCl3 / 0 deg C, 15 min; r.t., 1 h 3: 91 percent / acetonitrile / 3 h / Ambient temperature 4: 100 percent / 10percent KOH / ethanol / 1.25 h / 90 °C View Scheme