1: 73 percent / benzene / 2 h / 70 - 80 °C 2: 40 percent / piperidine oxide perchlorate / acetonitrile / 30 h / 50 °C 3: acetonitrile / 1.5 h / Heating View Scheme
参考文献
Sheinkman, A. K.; Kozak, I. Yu.; Zemskii, B. P.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1983 , vol. 19, # 7 p. 768 - 772
Khimiya Geterotsiklicheskikh Soedinenii, 1983 , vol. 19, # 7 p. 955 - 960