反应条件
1: 82 percent / SO2Cl2
2: 91 percent / pyridine / 18 h / Ambient temperature
3: NaClO2, NH3SO3H / tetrahydrofuran; H2O / 5.5 h / Ambient temperature
4: NaOH/H2O / ethanol / 0.75 h / Ambient temperature
View Scheme
参考文献
Green, Richard H.
Tetrahedron Letters, 1997 , vol. 38, # 26 p. 4697 - 4700
