pyridine; lithium aluminium tetrahydride; thionyl chloride 1) THF, -10 deg C, 45 min, 2) THF, RT, 15 min then reflux, 30 min; Yield given. Multistep reaction;

Multi-step reaction with 4 steps 1: 86 percent / K2CO3 / acetone / Heating2: 79 percent / LiAlH4 / tetrahydrofuran / 1 h / Heating3: 93 percent / NaIO4 / methanol; H2O / 1.5 h / 0 °C4: 1) n-BuLi / 1) THF, hexane, -78 deg C, 15 min, 2) THF, hexane, -78 deg C, 30 min