A Readily Available Trifluoromethylation Reagent and Its Difunctionalization of Alkenes
作者:Min Zhang、Jin-Hong Lin、Ji-Chang Xiao
DOI:10.1021/acs.orglett.1c02146
日期:2021.8.6
Trifluoromethyl substitution is notably popular in pharmaceuticals and agrochemicals; however, trifluoromethylated compounds normally rely on the use of cost-prohibitive or gaseous trifluoromethylating reagents, which diminishes the general applicability of these methods. Herein an efficient trifluoromethylation reagent trifluoromethylsulfonyl–pyridinium salt (TFSP) was reported, which can be readily
三氟甲基取代在药物和农用化学品中特别受欢迎;然而,三氟甲基化化合物通常依赖于成本过高或气态三氟甲基化试剂的使用,这降低了这些方法的普遍适用性。本文报道了一种有效的三氟甲基化试剂三氟甲基磺酰基-吡啶鎓盐(TFSP),它可以很容易地从廉价且容易获得的大宗工业原料中制备。TFSP可以在光催化下产生三氟甲基自由基,实现烯烃有效的叠氮或氰基三氟甲基化反应。