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Home > Archives > Volume 20, No 8 (2022) > Article

DOI: 10.14704/nq.2022.20.8.NQ44799

Synthesis, Spectral and Biological studies of Some transition metals with New Heterocyclic Imidazole Azo Ligand

Mohammed Qasim Khader

Abstract

The new azo reagent has been synthesized by reaction of imidazole and 4,4′-sulfonyl dianiline . This reagent has been characterized by different techniques such as, (IR, U.V-Vis) spectroscopy, (1H, 13C) NMR spectra are used to produce of the azo reagent. Its (Co2+, Ni2+ and Cu2+) binuclear complexes were prepared and characterized by (IR, U.V-Vis) spectroscopy, atomic absorption, conductivity measurements and magnetic quantifications. Nature of the complexes produced have been studied followed the mole ratio study and continuous contrast methods, Beer's law followed during the concentration scope (1×10-6 -1×10-4 )M. The reagent acts as binuclear and bidentate at the same time with (N,N) set donar and the coordinates through nitrogen atom from azo group and nitrogen atom(N3) from imidazole ring . Octahedral geometry structure for Co(II), Ni(II)and Cu(II) complexes were suggested. All these complexes and the reagent were evaluated against two kinds of human pathogenic bacteria such as Staphylococcus aureus (Gram Positive) and Escherichia coli (Gram negative).

Keywords

Azo compound, Complexes, Imidazole, Ligand, Dapsone

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