Quinine Based Ionic Liquids: A Tonic for Base Instability

Peter McNeice; Federico Maria Ferrero Vallana; Simon Coles; Peter Horton; Patricia Marr; Kenneth Seddon; Andrew Marr

Quinine Based Ionic Liquids: A Tonic for Base Instability

Peter McNeice, Federico Maria Ferrero Vallana, Simon Coles, Peter Horton, Patricia Marr, Kenneth Seddon, Andrew Marr

School of Chemistry and Chemical Engineering

Research output: Contribution to journal › Article

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.

Original language	English
Article number	111773
Journal	Journal of Molecular Liquids
Volume	297
Early online date	14 Oct 2019
Publication status	Published - 01 Jan 2020

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McNeice, P., Ferrero Vallana, F. M., Coles, S., Horton, P., Marr, P., Seddon, K., & Marr, A. (2020). Quinine Based Ionic Liquids: A Tonic for Base Instability. Journal of Molecular Liquids, 297, [111773].

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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.",

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AU - McNeice, Peter

AU - Ferrero Vallana, Federico Maria

AU - Coles, Simon

AU - Horton, Peter

AU - Marr, Patricia

AU - Seddon, Kenneth

AU - Marr, Andrew

PY - 2020/1/1

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N2 - 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.

AB - 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.

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JO - Journal of Molecular Liquids

JF - Journal of Molecular Liquids

SN - 0167-7322

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https://www.sciencedirect.com/science/article/pii/S0167732219334300?via%3DihubLicence: Unspecified
http://10.1016/j.molliq.2019.111773Licence: Unspecified

Embargoed Document

Quinine Based Ionic Liquids: A Tonic for Base Instability
Accepted author manuscript, 540 KB
Licence: CC BY-NC-ND
Embargo ends: 14/10/2020