反应条件
(i) NaNO2, aq. HCl, (ii) SO2, CuCl2, KCl, benzene, dioxane; Multistep reaction;
参考文献
Sokolova, G. D.; Khokhlov, P. S.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1989 , vol. 25, # 5 p. 547 - 550
Khimiya Geterotsiklicheskikh Soedinenii, 1989 , # 5 p. 654 - 656