Abstract
Two new salicylatocopper(II) complexes of formula [Cu(3-Mesal)2(inia)2]21 and [Cu(4-MeOsal)2(H2O)]·H2O 2, (where 3-Mesal = 3-methylsalicylate, inia = isonicotinamide, 4-MeOsal = 4-methoxylsalicylate) have been studied in solid state or in solutions. The coordination environment of compound 1 differs from complex 2, but both compounds build up 2-D supramolecular framework. The spectral and magnetic properties are in good agreement to their structure. Moreover, the cyclic voltammetric study, as well as the superoxide dismutase activity of prepared complexes has been studied in solution by NBT assay, and compared with the activity of the parent ligand, copper acetate and native SOD enzyme. SOD mimetic activity of the prepared compounds exhibited rather different IC50 values for compound 1 and 2. The SOD activity together with the redox stability is related to the composition and structure of the complexes.
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