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Anhydrous Phosphazenium Fluorides as Sources for Extremely Reactive Fluoride Ions in Solution

机译:无水氟化磷用作溶液中极活泼的氟离子的来源

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摘要

Several peralkylated polyaminophosphazenium cations were evaluated for the generation of novel anhydrous F~- salts.Two of them have been characterized by X-ray analysis and are particularly soluble,even in apolar aprotic solvents like benzene or THF,one of them even at - 30 deg C.Such solutions probably represent the most basic metal-free and stable media known to date.Comparison of these fluorides with known F~- sources demonstrates that they are of unprecedented reactivity and selectivity in E2 elimination reactions.
机译:对几种全烷基化的聚氨基磷腈鎓阳离子进行了评估,以生成新型的无水F〜-盐。其中的两种已通过X射线分析表征,并且特别可溶,甚至可溶于非极性非质子溶剂,如苯或THF,其中一种甚至在-30这种溶液可能代表了迄今为止已知的最基本的无金属和稳定的介质。这些氟化物与已知的F-来源的比较表明,它们在E2消除反应中具有空前的反应性和选择性。

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