1: 8 percent / triflic acid / tetrahydrofuran / 14 h / 0 °C 2: 92 percent / LiAlH4 / diethyl ether / 0.17 h / Ambient temperature 3: 1.) NaH, 2.) n-Bu4NI / 1.) THF, 2.) THF, reflux, 22 h 4: 96 percent / 1M aq. HCl / acetone / 4 h / Ambient temperature 5: 1.) CeCl3 / 1.) THF, -78 deg C, 1 h, 2.) THF, 10 min 6: 100 percent / H2 / 10percent Pd/C / ethanol / 0.17 h / 1034.3 Torr / Ambient temperature 7: 76 percent / p-TsOH / nitromethane / 0.5 h / 80 °C View Scheme