Although CF₃SO₂Cl is an efficient chlorotrifluoromethylation reagent, an expensive transition metal complex usually has to be used. We found that CuCl₂-catalyzed chlorotrifluoromethylation of alkenes with CF₃SO₂Cl occurred smoothly under mild conditions. A wide substrate scope and good functional group compatibility were observed.

中文翻译：

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铜与CF ₃ SO ₂ Cl催化的烯烃的氯三氟甲基化

尽管CF ₃ SO ₂ Cl是有效的氯三氟甲基化试剂，但通常必须使用昂贵的过渡金属配合物。我们发现，在温和条件下，CuCl ₂催化的带有CF ₃ SO ₂ Cl的烯烃的氯三氟甲基化反应顺利进行。观察到广泛的底物范围和良好的官能团相容性。