http://www.cnr.it/ontology/cnr/individuo/prodotto/ID48386
Complexes of Al(III) with D-gluconic acid (Articolo in rivista)
- Type
- Label
- Complexes of Al(III) with D-gluconic acid (Articolo in rivista) (literal)
- Anno
- 2008-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.poly.2007.08.035 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- A. Lakatos; T. Kiss; R. Bertani; A. Venzo; V.B. Di Marco (literal)
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- http://www.sciencedirect.com/science/article/pii/S0277538707005396 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1-Bioinorganic Chemistry Research Group of the Hungarian Academy of Sciences, University of Szeged, P.O. Box 440, H-6701 Szeged, Hungary
2-Department of Inorganic and Analytical Chemistry, University of Szeged, P.O. Box 440, H-6701 Szeged, Hungary
3-Department of Chemical Processes and Engineering, Universita di Padova, Via Marzolo 9, 35131 Padova, Italy
4-CNR-ISTM, Institute of Sciences and Molecular Technologies, Via Marzolo 1, I-35131 Padova, Italy
5-Department of Chemical Sciences, University of Padova, Via Marzolo 1, 35131 Padova, Italy (literal)
- Titolo
- Complexes of Al(III) with D-gluconic acid (literal)
- Abstract
- The complexation of Al(III) withD-gluconic acid was studied in solution by means of pH-potentiometry, ESI mass spectrometry and one- and two-dimensional NMR spectroscopy. Six complexes were found to form in solution from pH 2 to 10: [AlL]2+, [AlLH-1]+, [AlLH-2], [AlLH-3]-, [AlL2H11] and [AlL2H-2]-. NMR spectroscopy indicated very complicated chemical exchange processes between the free ligand and gluconic acid molecules bound in the metal complexes, with different coordination modes resulting in changes both of the chemical shift and of the line shape of the signals. A solid complex [AlL2H-1].2(H2O) was isolated as a microcrystalline powder and characterized. The structures of the complexes are discussed on the basis of the spectroscopic results and MM force field calculations. (literal)
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