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Manganese(II) coordination compounds of carboxylate non-steroidal anti-inflammatory drugs
Filitsa Dimiza1, Marialena Lazou1, Athanasios N Papadopoulos2
1Department of General and Inorganic Chemistry, Faculty of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece.
Abstract:
Upon the interaction of MnCl2 with the non-steroidal anti-inflammatory drugs oxaprozin or flufenamic acid in the presence of the nitrogen-donors 2,2'-bipyridine or 1,10-phenanthroline as co-ligands, one dinuclear and two trinuclear Mn(II) complexes were isolated. The complexes were characterized by diverse techniques. The complexes were evaluated for their scavenging activity against free radicals such as hydroxyl, 1,1-diphenyl-2-picrylhydrazyl and 2,2'-azinobis-(3-ethylbenzothiazoline-6-sulfonic acid). The in vitro binding affinity of the complexes to calf-thymus (CT) DNA and serum albumins was also monitored. In total, we may suggest that the complexes present promising scavenging activity against the radicals tested, and they may bind to CT DNA via intercalation and reversibly to serum albumins.
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