Yusubov, M. S.; Krasnokutskaya, E. A.; Filimovov, V. D.; Kovaleva, L. F.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1992 , vol. 28, # 11 p. 1260 - 1263
Khimiya Geterotsiklicheskikh Soedinenii, 1992 , # 11 p. 1477 - 1480
trifluoroacetic acid in 1,2-dichloro-ethane
T=110°C; 6 h;
参考文献
Moskalev, N. V.; Sirotkina, E. E.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1987 , vol. 23, # 11 p. 1192 - 1195
Khimiya Geterotsiklicheskikh Soedinenii, 1987 , # 11 p. 1492 - 1495