反应条件
1: 81 percent / Na / toluene / 0.5 h / 110 °C 2: 1.) 57percent phosphoric acid, 2.) p-toluenesulfonic acid / 1.) 60 deg C, 3 h, 2.) DMF, 60 deg C, 20 h View Scheme
参考文献
Hirano, Shigeo; Takagi, Seiji; Hiyama, Tamejiro; Nozaki, Hitosi
Bulletin of the Chemical Society of Japan, 1980 , vol. 53, # 1 p. 169 - 173
