Quinine based ionic liquids: A tonic for base instability
Quinine based ionic liquids: A tonic for base instability
Six basic ionic liquids were synthesised from the natural molecule quinine, including one room temperature ionic liquid. The thermal properties were studied and the basicity analysed by Hammett measurements. The properties are discussed in relation to the crystal structure of one of the salts, [C4Qn][NTf2] (2c) and electron density models generated using Spartan. The ionic liquids were shown to catalyse the Knoevenagel condensation of Malononitrile and Benzaldehyde.
Base catalysis, Base stable ionic liquids, Basic ionic liquids, Chiral ionic liquids, Fluorescent ionic liquids, Knoevenagel condensation, Quinine
McNeice, Peter
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Vallana, Federico M.F.
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Coles, Simon J.
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Horton, Peter N.
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Marr, Patricia C.
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Seddon, Kenneth R.
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Marr, Andrew C.
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McNeice, Peter
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Vallana, Federico M.F.
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Coles, Simon J.
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Horton, Peter N.
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Marr, Patricia C.
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Seddon, Kenneth R.
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Marr, Andrew C.
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McNeice, Peter, Vallana, Federico M.F., Coles, Simon J., Horton, Peter N., Marr, Patricia C., Seddon, Kenneth R. and Marr, Andrew C.
(2019)
Quinine based ionic liquids: A tonic for base instability.
Journal of Molecular Liquids, [111773].
(doi:10.1016/j.molliq.2019.111773).
Abstract
Six basic ionic liquids were synthesised from the natural molecule quinine, including one room temperature ionic liquid. The thermal properties were studied and the basicity analysed by Hammett measurements. The properties are discussed in relation to the crystal structure of one of the salts, [C4Qn][NTf2] (2c) and electron density models generated using Spartan. The ionic liquids were shown to catalyse the Knoevenagel condensation of Malononitrile and Benzaldehyde.
Text
2019_JMolLiq Quinine ILs_Manu_author
- Accepted Manuscript
More information
Accepted/In Press date: 18 September 2019
e-pub ahead of print date: 14 October 2019
Keywords:
Base catalysis, Base stable ionic liquids, Basic ionic liquids, Chiral ionic liquids, Fluorescent ionic liquids, Knoevenagel condensation, Quinine
Identifiers
Local EPrints ID: 436888
URI: http://eprints.soton.ac.uk/id/eprint/436888
ISSN: 0167-7322
PURE UUID: ad693313-442b-40a5-93a4-8962f02ea517
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Date deposited: 13 Jan 2020 17:32
Last modified: 18 Mar 2024 05:25
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Contributors
Author:
Peter McNeice
Author:
Federico M.F. Vallana
Author:
Peter N. Horton
Author:
Patricia C. Marr
Author:
Kenneth R. Seddon
Author:
Andrew C. Marr
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