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SYNTHESIS, CHARACTERIZATION AND ANTIOXID STUDY OF NEW 4-({2-[5-(2-Hydroxyphenyl)-1,3,4-Oxadiazol-2-Yl] Hydrazinylidene} Methyl)-2-Methoxy Phenol AND THEIR TRANSITION METAL COMPLEXES

Safaa H. Nasir
Department of Chemistry, College of Science, University of Thi-Qar, Thi-Qar, 64001, Iraq
Ibrahim A. Flifel
Department of Chemistry, College of Science, University of Thi-Qar, Thi-Qar, 64001, Iraq

Abstract

New ligand 4-({2-[5-(2-hydroxyphenyl)-1,3,4-oxadiazol-2-yl] hydrazinylidene} methyl)-2-methoxy phenol. (L) and its transition metal ion complexes Ni (ІІ), Fe (ІІІ), Co (ІІ), Cr (ІІІ) Cu (ІІ) were synthesized. The authenticity of the ligand and its transition metal complexes were established by mass spectra, conductance measurements 1HNMR, FTIR, as well as elemental analyses, the program of Hyper chem 7.51 has been used up for theoretical accounts using the PM3 method to study the electrostatic potential that provided good information about the complexity site. We can suggest octahedral geometrics for Cr3+ and Fe3+ complexes, tetrahedral geometry for Ni +2 and Co+2 complex, and square planer geometry for Cu+2 the complex The ligand was tested antioxidant. the synthesized ligand showed good antioxidant, activity.

Keywords: Oxadiazole, Ligand, Transitions metal complexes, Antioxidant ,

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