反应条件
1: 89 percent / C2H5MgBr / diethyl ether / 1. 2.5 h, reflux; 2. 3 h, 20 deg C 2: 69 percent / 4-Dimethylaminopyridine / tetrahydrofuran / 8 h / 60 °C View Scheme
参考文献
Tikhomirov, D. A.; Eremeev, A. V.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1987 , vol. 23, # 1 p. 30 - 34
Khimiya Geterotsiklicheskikh Soedinenii, 1987 , vol. 23, # 1 p. 39 - 43
