反应条件
1: 41 percent / SnCl4 / CCl4
2: 1.) NaNH2 / 1.) ammonia liquid, ether; 2.) ether, 2 h.
3: 1.5 h / Heating
4: 1.) 9.6N ethanolic HCl / 1.) methylene dichloride, methanol, 90 min; 2.) methanol, 90 min, reflux, 2 h.
View Scheme
参考文献
Earley; Fryer; Gilman
Journal of Heterocyclic Chemistry, 1983 , vol. 20, # 5 p. 1195 - 1197
