1: dimethylformamide / 5 h / 160 °C 2: dimethylformamide 3: 67 percent / dimethylformamide / 22 h / 160 °C 4: Na / N,N-dimethyl-acetamide / 15 h / 100 °C View Scheme
参考文献
Testaferri, L.; Tiecco, M.; Tingoli, M.; Chianelli, D.; Montanucci, M.
Synthesis, 1983 , # 9 p. 751 - 755