反应条件
1: 78 percent / triethyl amine / dimethylformamide / 24 h / Heating 2: 1.) titanium tetrachloride, 2.) p-toluenesulfonic acid / 1.) dichloromethane, room temp., 16 h, 2.) benzene, distillation 3: 1.) phosphorus pentachloride, 2.) potassium tert-butoxide / 1.) ether, reflux, 24 h, 2.) tert-butanol, reflux, 24 h View Scheme
参考文献
Griesbaum, Karl; Bandyopadhyay, Ashis R.; Meister, Martin
Canadian Journal of Chemistry, 1986 , vol. 64, p. 1553 - 1559
