Chincona Alkaloid-Catalyzed Enantioselective Trifluoromethylthiolation of Oxindoles
作者:Tao Yang、Qilong Shen、Long Lu
DOI:10.1002/cjoc.201400392
日期:2014.8
An organocatalytic asymmetric trifluoromethylthiolation of 3‐aryl or 3‐alkyloxindoles employing a trifluoromethyl‐substituted thioperoxide as the electrophilic trifluoromethylthiolating reagent was described. Reactions occurred in good to excellent enantioselectivities to generate oxindoles with a SCF3‐substituted quaternary chiral center.
描述了使用三氟甲基取代的硫代过氧化物作为亲电子三氟甲基硫醇化试剂的3-芳基或3-烷基氧吲哚的有机催化不对称三氟甲基硫醇化反应。反应发生的程度很好,对映选择性很好,生成带有SCF 3取代的季手性中心的羟吲哚。