反应条件
1: 1.) n-BuLi / 1.) THF, cyclohexane, -78 deg C, 1 h, 2.) THF, cyclohexane, a) -78 deg C, 1 h, b) from -78 deg C to RT, overnight 2: 1.) ZnBr2, 2.) aq. HCl / 1.) 1,4-dioxane, reflux, 1 h, 2.) 1,4-dioxane, reflux, 4 h View Scheme
参考文献
Katritzky, Alan R.; Toader, Dorin; Xie, Linghong
Synthesis, 1996 , # 12 p. 1425 - 1427