反应条件
1: 54.3 percent / conc. ammonium hydroxide / 8 h / Ambient temperature
2: 78.3 percent / phosphoryl chloride / 1.5 h / Heating
3: 77 percent / 1.) hexamethyldisilazane, ammonium sulfate; 2.) stannic chloride / 1.) reflux, 15 h; 2.) 1,2-dichloroethane, 20 h, r.t.
4: 84.8 percent / liquid ammonia / methanol / 30 h / Ambient temperature; in a pressure bottle
View Scheme
参考文献
Meyer Jr.; Revankar; Cook; et al.
Journal of Heterocyclic Chemistry, 1980 , vol. 17, # 1 p. 159 - 169