Modes of activation of sulfur hexafluoride for the synthesis of sulfur pentafluorides are considered. We report an S‒F activation of sulfur hexafluoride with TEMPO lithium and subsequent reaction with an alkene affording an aliphatic SF₅-containing product, which is isolated in low yield and fully characterized. A mechanism involving a single-electron reduction of sulfur hexafluoride, fragmentation to SF₅ radical and its addition to alkene is proposed.

中文翻译：

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用TEMPOLi还原六氟化硫：将五氟硫烷基和TEMPO加至末端烯烃

考虑了六氟化硫的活化方式以合成五氟化硫。我们报道了用TEMPO锂对六氟化硫的S‒F活化，随后与烯烃反应，得到了含脂肪族SF ₅的产物，该产物以低收率进行了分离并得到了充分表征。提出了一种涉及单电子还原六氟化硫，断裂成SF ₅自由基并将其添加到烯烃中的机理。