Abstract
ABSTRACTAn epoxy polymeric ligand (EPL) was synthesized via polycondensation of 4,7‐dihydroxy‐1,10‐phenanthroline with epichlorohydrin under basic conditions and used to prepare polymer–metal complexes [EPL‐M(II)] with Mn(II), Co(II), Ni(II), Cu(II), and Zn(II) ions. The synthesized polymers were characterized via elemental and magnetic moment analyses, UV–vis, ESR, FTIR, 1H NMR and 13C NMR spectroscopy, and thermal analyses (TGA/DTA/DSC). The results of polymeric ligand indicated that the molar ratio of 4,7‐dihydroxy‐1,10‐phenanthroline and epichlorohydrin was 1:2, respectively, and in the case of EPL‐M(II), the molar ratio of EPL and metal chloride was 2:1, respectively. The TGA/DTA results revealed higher thermal stability in all EPL‐M(II) relative to EPL. The thermal kinetic and thermodynamic parameters of the synthesized polymers were evaluated for the polymer metal complexes using the Coats–Redfern equation. In addition, the antimicrobial activities of EPL and EPL‐M(II) were measured against several bacteria and fungi using the agar well diffusion method, and the results were compared with kanamycin and miconazole as standard drugs for antibacterial and antifungal activities, respectively.
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