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- W2808047808 abstract "Dialkyl triazolium triflimides with perfluorinated side chains were prepared as hydrophobic ionic liquids (ILs) for surface impregnation. The key feature of the new materials are relatively short perfluorohexyl residues ( n C 6 F 13 = R F ) 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. As heterocyclic scaffold, either 1,2,3‐triazole or 1,2,4‐triazole were chosen. As the two alkyl moieties, either two R F CH 2 CH 2 groups or one R F CH 2 CH 2 and one Et residue were applied. The diethyl congeners were also prepared. Fluorinated starting materials were R F CH 2 CH 2 OTf as alkylating reagent or R F CH 2 CH 2 N 3 as 1,3‐dipole for a copper catalyzed cycloaddition (CuAAC) with trimethylsilyl acetylene. After sequential CuAAC and alkylation reactions, the triflimide salts were finally obtained from the intermediate iodides or triflates with the aid of an ion exchange resin. Out of 14 triazolium salts prepared, four compounds have finally been identified as hydrophobic ILs (contact angles between 85° and 100° with mp. < 100 °C), being promising materials for surface impregnation: the 1,2,3‐triazolium triflate and triflimide with two fluorinated alkyl residues, and the 1,2,4‐triazolium triflimides (two regioisomers) with one fluorinated alkyl residues and one ethyl group." @default.
- W2808047808 created "2018-06-21" @default.
- W2808047808 creator A5025068294 @default.
- W2808047808 creator A5027515643 @default.
- W2808047808 creator A5066455032 @default.
- W2808047808 creator A5077545181 @default.
- W2808047808 date "2018-08-09" @default.
- W2808047808 modified "2023-10-10" @default.
- W2808047808 title "Perfluorinated 1,2,3- and 1,2,4-Triazolium Ionic Liquids" @default.
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- W2808047808 doi "https://doi.org/10.1002/ejoc.201800582" @default.
- W2808047808 hasPublicationYear "2018" @default.
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