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Synthesis, Spectral and Antibacterial Studies of Co(II), Ni(II), Cu(II) and Zn(II) Complexes with Acetone Acetyl hydrazone | ||
| Rafidain Journal of Science | ||
| Article 6, Volume 26, Issue 1, 2017, Pages 38-48 PDF (0 K) | ||
| DOI: 10.33899/rjs.2017.138960 | ||
| Authors | ||
| Abdul Ghany M. Al-Daher; Thana Y. Yousif | ||
| Abstract | ||
| Hydrazone complexes of Co(II), Ni(II), Cu(II) and Zn(II) with acetone acetylhydrazone(AAH) ligand derived from the condensation of acetone and acetylhydrazine, containing N and O donor sites have been synthesized. The complexes are characterized by different physicochemical methods, elemental analysis, molar conductivity, IR, UV-Vis spectra and also magnetic measurements. The discussion of the out come data of the prepared complexes indicate that AAH behave as a neutral bidentate ligand. The electronic spectra as well as their magnetic moments suggest octahedral geometry for the bis- and tris- complexes, [M(AAH)2Cl2], [M(AAH)3](NO3)2 [M= Co(II), Ni(II), Cu(II), Zn(II)] and the mixed ligand complex [Ni(AAH) (Py)2Cl2] and tetrahedral geometry for the mono complexes [M(AAH)Cl2][M= Co(II), Cu(II), Zn(II)] and the other prepared mixed ligand complexes [Co(AAH)(Py)2]Cl2 and [Cu(AAH)(Py)Cl]Cl. The antimicrobial properties of the ligand and most of its complexes were studied using Gram-positive and Gram-negative bacteria. The metal complexes were found to have a moderate activity and Zn(II) complexes were the most active. | ||
| Keywords | ||
| Hydrazone; complexes; cobalt; nickel; copper; Zinc | ||
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