potassium carbonate in N,N-dimethyl-formamide 2 h; Ambient temperature;
参考文献
Radul, O. M.; Zhungietu, G. I.; Rekhter, M. A.; Bukhanyuk, S. M.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1983 , vol. 19, # 3 p. 286 - 288
Khimiya Geterotsiklicheskikh Soedinenii, 1983 , # 3 p. 353 - 355