(i) N2H4*HCl, POCl3, (ii) PCl5; Multistep reaction;
参考文献
Skorobogatova,M.S. et al.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1970 , vol. 6, p. 1092 - 1096
Khimiya Geterotsiklicheskikh Soedinenii, 1970 , vol. 6, p. 1171 - 1175