反应条件
1: polyphosphoric acid / tetrahydrothiophene 1,1-dioxide
2: H2SO4 / Heating
3: SO2Cl2, SiO2 / CH2Cl2
4: NaN3, polyphosphoric acid
5: aq. NaOH / ethanol
View Scheme
参考文献
Barnes,A.C. et al.
Journal of Medicinal Chemistry, 1979 , vol. 22, p. 418 - 424
