1: 7.7 g / NaIO4 / diethyl ether; H2O / 2 h / Ambient temperature 2: 53 percent / Jones reagent / acetone / 0.25 h / 0 °C 3: 91.7 percent / H2 / Pd-C / methanol 4: 82.7 percent / 1-ethyl-3-(3-dimethylaminoproyl)carbodiimide hydrochloride / CH2Cl2 / 2 h 5: 43 percent / CF3COOH / H2O / 0.5 h / 0 °C 6: 1) 2-fluoro-1-methylpyridinium p-toluenesulfonate, 2) NaN3 / 1) CHCl3, room tempetarure, 1h, 2) HMPA, 80 deg C, 2 h 7: H2 / Pd-C View Scheme