Perfluorinated Ammonium and Phosphonium Ionic Liquids

Author:

Christoffers Jens1,Alpers Torben12,Muesmann Thomas2,Temme Oliver2

Affiliation:

1. Institut für Chemie, Carl von Ossietzky Universität Oldenburg

2. Ferdinand Eimermacher GmbH & Co. KG

Abstract

Ammonium and phosphonium ionic liquids with perfluorinated side chains were prepared as hybrid materials for surface impregnation. Melting points of the triflimide salts range up to 95 °C. The key feature of this investigation are relatively short perfluorohexyl residues as the fluorinated part of the cations, making the target compounds beneficial alternatives to established products because of their enhanced degradability and therefore lower bioaccumulativity. In the ammonium series, pyrrolidinium, piperidinium, morpholinium triflimides as well as the dication derived from DABCO were prepared. Mono-phosphonium triflimides were obtained from triphenyl- and diphenylphosphane. Diphosphonium bistriflimides were obtained from bis(diphenylphosphano)alkanes, Ph2P(CH2)nPPh2 with n = 2–5. As alkylating reagents, n-C6F13CH2CH2OTf and n-C6F13CH2CH2I were applied.

Publisher

Georg Thieme Verlag KG

Subject

Organic Chemistry,Catalysis

Cited by 3 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Fluorinated Ionic Liquids: Syntheses, Properties, and Applications;Perfluoroalkyl Substances;2022-08-15

2. Highly‐fluorinated Triaminocyclopropenium Ionic Liquids;Chemistry – An Asian Journal;2022-03-16

3. Applications of phosphonium-based ionic liquids in chemical processes;Journal of the Iranian Chemical Society;2020-03-19

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