1: 95 percent / methanol / 24 h 2: dimethylsulfoxide-d6 / 2 h / 120 °C View Scheme
参考文献
Chemistry of Heterocyclic Compounds (New York, NY, United States), , vol. 26, # 9 p. 1051 - 1060
Khimiya Geterotsiklicheskikh Soedinenii, , vol. 26, # 9 p. 1260 - 1270