反应条件
Multi-step reaction with 7 steps 1: 42 percent / imidazole / dimethylformamide / 1.5 h / 20 °C2: sodium hydrogen carbonate / aq. ethanol / 1.5 h / Heating3: N-methylmorpholine N-oxide monohydrate, selenium dioxide / CH2Cl2; methanol / 0.83 h / Heating4: imidazole / dimethylformamide / 1.5 h / 20 °C5: liq. SO2 / diethyl ether / 0.5 h / Heating6: 1.) ozone 2.) PPh3 / 1.) CH2Cl2, MeOH, -60 deg C, 40 min. 2.) CH2Cl2, MeOH, -60 to 0 deg C7: 5 percent / NaHCO3 / ethanol / 1.5 h / Heating
参考文献
Calverley Tetrahedron, 1987 , vol. 43, # 20 p. 4609-4619