Abstract
In this study, we synthesized six novel oxime ligands derived from substituted 1,3,4-thiadiazoles, along with their corresponding monomeric transition metal complexes involving Co2+, Ni2+, and Cu2+ ions. Comprehensive structural characterizations were then performed to analyze these compounds. To achieve this, 4-(chloroacetyl) diphenyl ether was synthesized by reacting diphenyl ether with chloroacetyl chloride using a Friedel–Crafts reaction. The starting oxime compound, (E)-N-hydroxy-2-oxo-2-(4-phenoxyphenyl)acetylmidoyl chloride, was synthesized by reacting 4-(chloroacetyl) diphenyl ether with butyl nitrite in a 1:1 molar ratio, with HCl as the catalyst. The target oxime compounds were subsequently synthesized by reacting substituted 2-amino-1,3,4-thiadiazole derivatives with (E)-N-hydroxy-2-oxo-2-(4-phenoxyphenyl)acetylmidoyl chloride, following established procedures from the literature. The structural characterizations of all synthesized organic compounds were carried out using elemental analysis, FTIR spectroscopy, 1H and 13C NMR spectroscopy, and mass spectrometry. The target complexes were synthesized by reacting the ligands with MCl2·nH2O salts (M = Co2+, Ni2+, Cu2+). Their structures were confirmed using FTIR spectroscopy, magnetic susceptibility measurements, elemental analysis, and ICP-OES.
Published Version
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