反应条件
1: aq. HCl / dioxane / 3 h / Heating
2: 1.) PCl5, 2.) AlCl3 / 1.) benzene, from 5 deg C to 23 deg C, 30 min, 2.) benzene 15-20 deg C, 3.5 h
3: 83 percent / gl. AcOH, aq. HCl / 3.5 h / Heating
4: conc. HCl / propan-2-ol / 17 h / Heating
View Scheme
参考文献
Werbel, L. M.; Kesten, S. J.; Turner, W. R.
European Journal of Medicinal Chemistry, 1993 , vol. 28, # 11 p. 837 - 852