The antioxidant activity relationship of coordination compounds containing transitional metals ions, like Copper and Chromium, has been proven in both, in vitro and in vivo models, for example, 1,1-diphenyl-2-picrylhydrazyl (DPPH) kinetic analysis, γ-radiolysis of rat liver microsomes, 2,2- azobis(2-amidinopropane)dihydrochloride (AAPH)-induced low density lipoprotein (LDL) oxidation, as well, AAPH-induced linoleic oxidation. Herein, the scavenging activity of is studied, using the known free scavenging assay with the stable radical DPPH by UV-Vis. Synthesis, structural, electronic, and magnetic characterization of two (thb = N,N,N’,N’- tetrakis-1,4-butanodiamine) thb, used here to obtain a Cu II complex in two different crystalline phases, 1a and 1b, both characterized electronic and magnetically, with considerably good antioxidant activity as shown below resolving, the 1b spatial structure.
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