Tunable Aryl Alkyl Ionic Liquids (TAAILs): The Next Generation of Ionic Liquids


  • Funding by the DFG (Priority Program 1191, “ionic liquids”) is gratefully acknowledged. S.A. thanks the Konrad-Adenauer-Stiftung for their support.


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The combination of aromatic and aliphatic substituents at the imidazolium ring leads to a new generation of imidazolium-based ionic liquids (TAAILs: tunable aryl alkyl ionic liquids; see charge distribution of the methoxyphenyl methyl derivative). Electronic interaction between the aromatic substituent and the imidazolium core allows the properties of these species to be tuned more precisely than is possible for currently available ionic liquids.