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Synthesis and physical properties of tunable aryl alkyl ionic liquids based on 1-aryl-4,5-dimethylimidazolium cations

Stefan Fritsch and Thomas Strassner

Beilstein J. Org. Chem. 2024, 20, 1278–1285. https://doi.org/10.3762/bjoc.20.110

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Synthesis and physical properties of tunable aryl alkyl ionic liquids based on 1-aryl-4,5-dimethylimidazolium cations

Stefan Fritsch and Thomas Strassner

Beilstein J. Org. Chem. 2024, 20, 1278–1285. https://doi.org/10.3762/bjoc.20.110

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Fritsch, S.; Strassner, T. Beilstein J. Org. Chem. 2024, 20, 1278–1285. doi:10.3762/bjoc.20.110

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TY  - JOUR
A1  - Fritsch, Stefan
A1  - Strassner, Thomas
T1  - Synthesis and physical properties of tunable aryl alkyl ionic liquids based on 1-aryl-4,5-dimethylimidazolium cations
JF  - Beilstein Journal of Organic Chemistry
PY  - 2024///
VL  - 20
SP  - 1278
EP  - 1285
SN  - 1860-5397
DO  - 10.3762/bjoc.20.110
PB  - Beilstein-Institut
JA  - Beilstein J. Org. Chem.
UR  - https://doi.org/10.3762/bjoc.20.110
KW  - conductivity
KW  - electrochemical window
KW  - ionic liquids
KW  - tunable aryl alkyl ionic liquid
KW  - viscosity
N2  - We present a new class of tunable aryl alkyl ionic liquids (TAAILs) based on 1-aryl-4,5-dimethylimidazolium cations with electron-withdrawing and -donating substituents in different positions of the phenyl ring and the bis(trifluoromethylsulfonyl)imide (NTf2) anion. We investigated the effect of additional methyl groups in the backbone of the imidazolium core on the physical properties regarding viscosity, conductivity and electrochemical window. With an electrochemical window of up to 6.3 V, which is unprecedented for TAAILs with an NTf2 anion, this new class of TAAILs demonstrates the opportunities that arise from modifications in the backbone of the imidazolium cation.
ER  -

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