反应条件
1: 66 percent / NiCl2, Zn, Ph3P / dimethylformamide / 5 h / 60 - 70 °C 2: 51 percent / NBS, AcOH / CHCl3 / Heating 3: 18 percent / NiCl2, Zn, Ph3P / dimethylformamide / 5 h / 75 - 80 °C View Scheme
参考文献
Heterocycles, , vol. 26, # 7 p. 1793 - 1796