反应条件
1: 1.) HBF4, acetic anhydride, 2.) Na, ammonia
2: 82 percent / p-toluenesulfonic acid / toluene / 48 h / Heating
View Scheme
参考文献
Aromdee, Chantana; Cole, Edward R.; Crank, George
Australian Journal of Chemistry, 1983 , vol. 36, # 12 p. 2499 - 2509