反应条件
1: (i) NaNO2, aq. HCl, (ii) aq. H2SO4
2: HNO3 / acetic acid
3: SnCl2, aq. HCl / ethanol
4: Py
5: aq. HCl / 2.5 h / Heating
6: (i) SOCl2, (ii) /BRN= 605268/
View Scheme
参考文献
Dunwell,D.W. et al.
Journal of Medicinal Chemistry, 1975 , vol. 18, # 1 p. 53 - 58