Interaction of Ni(II) with 2,3-dihydroxybenzoic acid |
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| Affiliation: | 1. Aix Marseille Univ, CNRS, ICR, UMR 7273, case 551, Avenue Escadrille Normandie-Niemen, 13397 Marseille Cedex 20, France;2. N. N. Vorozhtsov Novosibirsk Institute of Organic Chemistry SB RAS, 9 Pr. Lavrentjeva, Novosibirsk 630090, Russia;3. Novosibirsk State University, 2 Pirogova Str., Novosibirsk 630090, Russia |
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| Abstract: | The reaction of NiCl2·6H2O with 2,3-dihydroxybenzoic acid=L in n-PrOH:H2O=1:1 solution, produced the complex {[Ni5L5(OH)7]K4·13H2O}n. Its structure was investigated using elemental analysis, IR, UV–Vis, NMR and ES MS spectroscopy. The complex is unstable in aqueous solution and its decomposition scheme was proposed on the basis of NMR and ES MS spectra. This may contribute to the understanding of oxidative degradation of catecholic derivatives by Ni(II), as well as to other similar ones. |
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