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dc.contributor.authorAlcalde Pais, Ma. Ermitas (María de las Ermitas)-
dc.contributor.authorDinarès Milà, M. Immaculada-
dc.contributor.authorIbáñez Jiménez, Anna-
dc.contributor.authorMesquida Estévez, Ma. Neus-
dc.description.abstractA broad and simple method permitted halide ions in quaternary heteroaromatic and ammonium salts to be exchanged for a variety of anions using an anion exchange resin (A− form) in non-aqueous media. The anion loading of the AER (OH− form) was examined using two different anion sources, acids or ammonium salts, and changing the polarity of the solvents. The AER (A− form) method in organic solvents was then applied to several quaternary heteroaromatic salts and ILs, and the anion exchange proceeded in excellent to quantitative yields, concomitantly removing halide impurities. Relying on the hydrophobicity of the targeted ion pair for the counteranion swap, organic solvents with variable polarity were used, such as CH3OH, CH3CN and the dipolar nonhydroxylic solvent mixture CH3CN:CH2Cl2 (3:7) and the anion exchange was equally successful with both lipophilic cations and anions.-
dc.format.extent21 p.-
dc.publisherMDPI Publishing-
dc.relation.isformatofReproducció del document publicat a:
dc.relation.ispartofMolecules, 2012, vol. 17, num. 4, p. 4007-4027-
dc.rightscc-by (c) Alcalde Pais, Ma. Ermitas (María de las Ermitas) et al., 2012-
dc.subject.classificationSolucions iòniques-
dc.subject.classificationCompostos heterocíclics-
dc.subject.otherIonic solutions-
dc.subject.otherHeterocyclic compounds-
dc.titleA simple halide-to-anion exchange method for heteroaromatic salts and ionic liquids-
Appears in Collections:Articles publicats en revistes (Farmacologia, Toxicologia i Química Terapèutica)

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