反应条件
formic acid; sulfuric acid; nickel 1.) water, reflux, 1 h, 2.) 20 deg C, 3 h; Yield given. Multistep reaction;
参考文献
Chemistry of Heterocyclic Compounds (New York, NY, United States), , vol. 29, # 2 p. 170 - 173
Khimiya Geterotsiklicheskikh Soedinenii, , # 2 p. 197 - 201
