反应条件
1: 1.) NaH / 1.) dimethoxyethane, 1 h, 2.) dimethoxyethane, overnight 2: 81 percent / 1.) aq.NaOH, 2.) 4 M HCl / 1.) 100 deg C, 10 h, 2.) 150-160 deg C, 4 h, 3: 81 percent / Na / toluene / 0.5 h / 110 °C 4: 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
