反应条件
1: 15 percent / KOH / aq. ethanol / 3 h / Heating 2: 1) 48percent HBr, 2) PBr3 / 1) ether, 2) sulfolane, 140 degC, 30 min 3: 48 percent / 48percent HBr / 60 h / 140 °C View Scheme
参考文献
Shishkin, G. V.; Gall, A. A.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1980 , vol. 16, # 6 p. 648 - 653
Khimiya Geterotsiklicheskikh Soedinenii, 1980 , # 6 p. 831 - 836
