Selective C-F arylation of polyfluorophenols with aryl sulfoxides has been accomplished by means of a sigmatropic dearomatization/defluorination sequence. This sequence consists of three processes: 1) interrupted Pummerer reaction to form S-O-tethered sulfonium salt; 2) C-C-forming [3,3] sigmatropic rearrangement with dearomatization; and 3) Zn-mediated defluorinative rearomatization. The present biaryl
多
氟苯酚与芳基亚砜的选择性CF芳基化已通过σ脱芳香化/脱
氟序列完成。该序列包括三个过程:1)中断Pummerer反应以形成SO系ed盐。2)CC形成[3,3]σ重排并脱芳香化;3)
锌介导的脱
氟重
金属化。本发明的联芳基结构提供了容易通过其他方法合成的多
氟化联芳基的途径。
钾通道调节剂Maxipost的
氟化类似物的合成清楚地证明了该策略的合成效用。