in ethanol
a) 18-20 deg C, 1 h, b) 60-65 deg C, 20 min;
参考文献
Parfenov, E. A.; Smirnov, L. D.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1993 , vol. 29, # 4 p. 386 - 389
Khimiya Geterotsiklicheskikh Soedinenii, 1993 , # 4 p. 459 - 462
1: 62 percent / Na2S*9H2O, NH4Cl / ethanol / 1 h / 18 - 20 °C
2: 49 percent / ethanol / a) 18-20 deg C, 1 h, b) 60-65 deg C, 20 min
View Scheme
参考文献
Parfenov, E. A.; Smirnov, L. D.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1993 , vol. 29, # 4 p. 386 - 389
Khimiya Geterotsiklicheskikh Soedinenii, 1993 , # 4 p. 459 - 462
Parfenov, E. A.; Smirnov, L. D.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1992 , vol. 28, # 7 p. 736 - 737
Khimiya Geterotsiklicheskikh Soedinenii, 1992 , # 7 p. 888 - 889
