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Study of protonation and Zn(II), Cd(II), Cu(II) and Mn(II) complexation with a glutamic acid N-pyrimidine derivative: Crystal structure of a neutral Cd(II) complex of the bianionic ligand by P. Arranz-Mascarós; M.D. Gutiérrez-Valero; R. López-Garzón; M.D. López-León; M.L. Godino-Salido; A. Santiago-Medina; H. Stoeckli-Evans is a Chemistry article available to read on EtoBox.

What is Study of protonation and Zn(II), Cd(II), Cu(II) and Mn(II) complexation with a glutamic acid N-pyrimidine derivative: Crystal structure of a neutral Cd(II) complex of the bianionic ligand about?

The compound N-(4-amino-1-methyl-5-nitroso-6-oxo-1,6-dihydropyrimidin-2-yl)-(s)-glutamic acid (H 3 L) was synthesised and structurally characterised by analytical methods and 1 H, 13 C and 15 N NMR spectroscopy. This compound (H 3 L) shows the same topology as other model receptors previously used to develop chemical functionalization at the surface of an active carbon when they adsorb on it. Protonation of H 3 L and its coordination ability towards Cd 2+ , Zn 2+ , Cu 2+ and Mn 2+ ions in water solution was also studied by potentiometric methods, UV-Vis and 1 H, 13 C NMR spectroscopies. The obtained results allow us to fit the operative conditions for the use of the activated carbon-H 3 L adsorbent for the retaining of the above-mentioned metal ions in aqueous solutions. The molecular structure of {[Cd(HL)H 2 O] Á 3H 2 O} n was solved by single-crystal X-ray diffraction methods.

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Author

P. Arranz-Mascarós; M.D. Gutiérrez-Valero; R. López-Garzón; M.D. López-León; M.L. Godino-Salido; A. Santiago-Medina; H. Stoeckli-Evans

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0277-5387)

Published

2008

Language

EN

Field

Chemistry (Physical Sciences)