Difluorotris(pentafluoroethyl)phosphorane, (C2F5)3PF2, is a clear and colorless very reactive liquid (b.p. 90 - 91 �C). It can be easily converted to a variety of derivatives which are of interest for diverse industrial applications [1]. With the development of convenient syntheses of bis(perfluoroalkyl)trifluorophosphoranes, RF2PF3, and perfluoroalkyltetrafluorophosphoranes, RFPF4 [2] we were able to extent the portfolio of perfluoroalkylphosphorus(V) compounds.Perfluoroalkylfluorophosphoranes are strong Lewis acids [1]. In this presentation the reactivities of RF3PF2, RF2PF3 and RFPF4 will be compared and their reaction with selected compounds containing covalent element�fluorine bonds will be presented and discussed.References1) N. Ignat'ev, H. Willner, P. Sartori, J. Fluorine Chem. 2009 , 130, 1183 � 1191.2) N. Ignatyev, U. Welz-Biermann, M. Schmidt, A. Kucheryna, H. Willner, WO2005/049628 A1, Merck Patent GmbH, Darmstadt, Germany.

Perfluoroalkylfluorophosphoranes: Strong Lewis acids for application in catalysis

248th National Meeting (2014)

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