1: phosphate buffer, sodium azide / H2O / 120 h / 25 °C / 2-propanol-treated Candida rugosa lipase presence, pH 7.0 2: 95 percent / diisobutylaluminum hydride / diethyl ether; hexane / 3 h / -75 - -70 °C 3: 18 percent / zinc-lead, iodine / diethyl ether; benzene / 0.5 h / Heating 4: 74 percent / 4-dimethylaminopyridine, 1,3-dicyclohexylcarbodiimide / CH2Cl2 / 1.) 0 deg C, 1 h, 2.) 23 deg C, 16 h 5: CH2Cl2 / 2 h / 23 °C 6: 32 mg / pentafluorophenyl diphenylphosphinate, diisopropylethylamine / dimethylformamide / 16 h / 23 °C 7: 26 mg / m-chloroperoxybenzoic acid / CH2Cl2 / 23 °C View Scheme