The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
Choline Saccharinate and Choline Acesulfamate: Ionic Liquids with Low Toxicities
Abstract
Choline saccharinate and choline acesulfamate are two examples of hydrophilic ionic liquids, which can be prepared from easily available starting materials (choline chloride and a non-nutritive sweetener). The (eco)toxicity of these ionic liquids in aqueous solution is very low in comparison to other types of ionic liquids. A general method for the synthesis and purification of hydrophilic ionic liquids is presented. The method consists of a silver-free metathesis reaction, followed by purification of the ionic liquid by ion-exchange chromatography. The crystal structures show a marked difference in hydrogen bonding between the two ionic liquids, although the saccharinate and the acesulfamate anions show structural similarities. The optimized structures, the energetics, and the charge distribution of cation-anion pairs in the ionic liquids were studied by density functional theory (DFT) and second-order (Møller-Plesset) perturbation theory calculations. The occupation of the non-Lewis orbitals was considered to obtain a qualitative picture of the Lewis structures. The calculated interaction energies and the dipole moments for the ion pairs in the gas phase were discussed.
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Cites
VMD: visual molecular dynamics
Humphrey, W., Dalke, A., & Schulten, K. (1996) · Journal of Molecular Graphics · doi:10.1016/0263-7855(96)00018-5 · Cited by 66,952
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Ionic Liquids Based upon Metal Halide/Substituted Quaternary Ammonium Salt Mixtures
Abbott, A. P., Capper, G., Davies, D. L., & Rasheed, R. (2004) · Inorganic Chemistry · doi:10.1021/ic049931s · Cited by 364
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Wang, H., Gurau, G., & Rogers, R. D. (2012) · Chemical Society Reviews · doi:10.1039/c2cs15311d · Cited by 1,369
Low melting mixtures in organic synthesis–an alternative to ionic liquids?
Ruß, C., & König, B. (2012) · Green Chemistry · doi:10.1039/c2gc36005e · Cited by 654
Assessing the toxicity and biodegradability of deep eutectic solvents
Wen, Q., Chen, J.-X., Tang, Y.-L., Wang, J., & Yang, Z. (2015) · Chemosphere · doi:10.1016/j.chemosphere.2015.02.061 · Cited by 480
Dai, Y., van Spronsen, J., Witkamp, G.-J., Verpoorte, R., & Choi, Y. H. (2013) · Journal of Natural Products · doi:10.1021/np400051w · Cited by 472
Liu, Q.-P., Hou, X.-D., Li, N., & Zong, M.-H. (2012) · Green Chem. · doi:10.1039/c2gc16128a · Cited by 441
Metadata
- Authors
- Nockemann, P., Thijs, B., Driesen, K., Janssen, C. R., Van Hecke, K., Van Meervelt, L., Kossmann, S., Kirchner, B., & Binnemans, K.
- Venue
- The Journal of Physical Chemistry B
- Publisher
- American Chemical Society (ACS)
- Published
- 2007-04-20
- Volume
- 111
- Issue
- 19
- Pages
- 5254-5263
- ISSN
- 1520-5207 (ISSN-L)
- 1520-6106
- OpenAlex
- W2099923275
- Cited by
- 236
- References
- 3
- FWCI
- 4.61
- Type
- journal article
- Language
- en
- Open access
- closed
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