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Carboxyl-functionalized task-specific ionic liquids for solubilizing metal oxides

(2008) INORGANIC CHEMISTRY. 47(21). p.9987-9999
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Abstract
Imidazolium, pyridinium, pyrrolidinium, piperidinium, morpholinium, and quaternary ammonium bis(trifluoromethyl-sulfonyl)imide salts were functionalized with a carboxyl group. These ionic liquids are useful for the selective dissolution of metal oxides and hydroxides. Although these hydrophobic ionic liquids are immiscible with water at room temperature, several of them form a single phase with water at elevated temperatures. Phase separation occurs upon cooling. This thermomorphic behavior has been investigated by (1)H NMR, and it was found that it can be attributed to the temperature-dependent hydration and hydrogen-bond formation of the ionic liquid components. The crystal structures of four ionic liquids and five metal complexes have been determined.
Keywords
TEMPERATURE MOLTEN-SALTS, N-METHYLPIPERIDINE BETAINE, C-13 NMR-SPECTRA, MOLECULAR-STRUCTURE, COORDINATION ENVIRONMENTS, METHYLMORPHOLINE BETAINE, VIBRATIONAL-SPECTRA, PHYSICAL-PROPERTIES, SOLVENT PROPERTIES, NEOTERIC SOLVENTS

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Citation

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Chicago
Nockemann, Peter, Ben Thijs, Tatjana N Parac-Vogt, Kristof Van Hecke, Luc Van Meervelt, Bernard Tinant, Ingo Hartenbach, et al. 2008. “Carboxyl-functionalized Task-specific Ionic Liquids for Solubilizing Metal Oxides.” Inorganic Chemistry 47 (21): 9987–9999.
APA
Nockemann, P., Thijs, B., Parac-Vogt, T. N., Van Hecke, K., Van Meervelt, L., Tinant, B., Hartenbach, I., et al. (2008). Carboxyl-functionalized task-specific ionic liquids for solubilizing metal oxides. INORGANIC CHEMISTRY, 47(21), 9987–9999.
Vancouver
1.
Nockemann P, Thijs B, Parac-Vogt TN, Van Hecke K, Van Meervelt L, Tinant B, et al. Carboxyl-functionalized task-specific ionic liquids for solubilizing metal oxides. INORGANIC CHEMISTRY. 2008;47(21):9987–99.
MLA
Nockemann, Peter, Ben Thijs, Tatjana N Parac-Vogt, et al. “Carboxyl-functionalized Task-specific Ionic Liquids for Solubilizing Metal Oxides.” INORGANIC CHEMISTRY 47.21 (2008): 9987–9999. Print.
@article{2045764,
  abstract     = {Imidazolium, pyridinium, pyrrolidinium, piperidinium, morpholinium, and quaternary ammonium bis(trifluoromethyl-sulfonyl)imide salts were functionalized with a carboxyl group. These ionic liquids are useful for the selective dissolution of metal oxides and hydroxides. Although these hydrophobic ionic liquids are immiscible with water at room temperature, several of them form a single phase with water at elevated temperatures. Phase separation occurs upon cooling. This thermomorphic behavior has been investigated by (1)H NMR, and it was found that it can be attributed to the temperature-dependent hydration and hydrogen-bond formation of the ionic liquid components. The crystal structures of four ionic liquids and five metal complexes have been determined.},
  author       = {Nockemann, Peter and Thijs, Ben and Parac-Vogt, Tatjana N and Van Hecke, Kristof and Van Meervelt, Luc and Tinant, Bernard and Hartenbach, Ingo and Schleid, Thomas and Ngan, Vu Thi and Nguyen, Minh Tho and Binnemans, Koen},
  issn         = {0020-1669},
  journal      = {INORGANIC CHEMISTRY},
  keyword      = {TEMPERATURE MOLTEN-SALTS,N-METHYLPIPERIDINE BETAINE,C-13 NMR-SPECTRA,MOLECULAR-STRUCTURE,COORDINATION ENVIRONMENTS,METHYLMORPHOLINE BETAINE,VIBRATIONAL-SPECTRA,PHYSICAL-PROPERTIES,SOLVENT PROPERTIES,NEOTERIC SOLVENTS},
  language     = {eng},
  number       = {21},
  pages        = {9987--9999},
  title        = {Carboxyl-functionalized task-specific ionic liquids for solubilizing metal oxides},
  url          = {http://dx.doi.org/10.1021/ic801213z},
  volume       = {47},
  year         = {2008},
}

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