反应条件
1: SOCl2, dimethyl formamide / benzene / 2 h 2: 18.5 g / diethyl ether / 1 h / 0 °C 3: 1.) TMEDA, triphenylmethyl chloride, sec-BuLi / 1.) ether, cyclohexane, -78 deg C, 1 h, 2.) a) -78 deg C, 1 h, b) room temp., 3 h 4: 93 percent / Zn, pyridine, 10percent KOH / Heating; overnight 5: 89 percent / ZnCl2 / acetic acid / 2 h / Heating 6: 85 percent / activated Zn dust, NaOH / H2O; dioxane / Heating View Scheme
参考文献
Journal of Organic Chemistry, , vol. 47, # 11 p. 2120 - 2125
