反应条件
Multi-step reaction with 3 steps 1: 1.) KOH / 1.) ethanol, 2.) DMF, reflux, 22 h2: 1.) LDA / 1.) hexane, THF, -78 deg C, 1 h, 2.) hexane, THF, -78 deg C, 4 h3: 75 percent / tetrahydrofuran / 1 h / -78 °C
参考文献
Katritzky, Alan R.; Aurrecoechea, Jose M.; Miguel, Luis M. Vazquez de Heterocycles, 1987 , vol. 26, # 2 p. 427 - 436
