Abstract
Two new metal complexes derived from the reaction of 2-[(2-hydroxybenzoyl) 2,3,4a,5,10,10a-hexahydro-5,10[1′,2′]-benzenobenzo[g]phthalazine-1,4-dione] (HBPD) with Cu(II) and Zn(II) have been synthesized and characterized by using elemental analysis, spectral analysis (UV–Vis, IR, 1H NMR, 13C NMR), conductance, thermal analysis, and magnetic moments. The in vivo collagen-adjuvant arthritis model in rats revealed a significant antioxidant, analgesic, and anti-rheumatic effects for HBPD and its copper and zinc complexes in comparison with standard piroxicam. The results showed that, the investigated Cu and Zn complexes have higher anti-inflammatory activity than the free ligand.
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