PMID: 11931958Apr 5, 2002Paper

Bisphosphonate chelating agents. Coordination ability of 1-phenyl-1-hydroxymethylene bisphosphonate towards Cu(2+) ions

Journal of Inorganic Biochemistry
Elzbieta Gumienna-KonteckaHenryk Kozlowski

Abstract

Potentiometric and EPR data allow for evaluation of the coordination equilibria in the Cu(2+)-bisphosphonate system. The bisphosphonic ligand was found very efficient in Cu(2+) chelation with formation of monomeric and dimeric species. Two phosphonate groups are basic binding sites for metal ion. The involvement of hydroxyl in metal ion coordination is also likely, especially when one phosphonate is protected by dimethyl ester. As the metal bound phosphonate groups are relatively bulky (six oxygens) and their negative charge above pH 4 is high (four per ligand) the equimolar species is a dominant complex at physiological pH.

Citations

Jan 20, 2016·Expert Opinion on Drug Discovery·Juan B RodriguezSergio H Szajnman
Dec 5, 2013·Bioorganic & Medicinal Chemistry·Mariana Ferrer-CasalJuan B Rodriguez
Jan 20, 2018·Journal of Biological Inorganic Chemistry : JBIC : a Publication of the Society of Biological Inorganic Chemistry·Bruno DemoroLucía Otero
Sep 3, 2020·Chemistry : a European Journal·Pritam Ghosh, Galia Maayan
Feb 23, 2021·Journal of Inorganic Biochemistry·Pritam GhoshGalia Maayan

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