(i) aq. NaCO3, benzene, (ii) POCl3; Multistep reaction;
参考文献
Krasovitskii,B.M.; Shershukov,V.M.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1979 , vol. 15, p. 28 - 31
Khimiya Geterotsiklicheskikh Soedinenii, 1979 , vol. 15, p. 35 - 37