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Perfluoroalkylphosphorus acids Synthesis, properties and applications in catalysis

NIKOLAI V. IGNAT’EV1*, DANA BEJAN2, HELGE WILLNER2
*Corresponding author
1. Merck KGaA, PM-ABE, Frankfurter Strasse 250, Darmstadt 64293, Germany
2. Bergische University Wuppertal, Inorganic Chemistry, Gaußstr. 20, Wuppertal 47097, Germany

Abstract

The syntheses and properties of the perfluoroalkylphosphorusacids, H[(RF)3PF3] (HFAP), (RF)2P(O)OH, RFP(O)(OH)2 and[(C2F5)2P(O)]2NH (HFPI) are presented and discussed.The application of bis(perfluoroalkyl)phosphinic acids andbis[bis(pentafluoroethyl)phosphinyl]imide as Brønsted acidcatalysts in comparison to triflic acid is demonstrated.


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