Synthesis, characterization and biological evaluation of sulfonamide based transition metal complexes
Abstract
In the present study a noval 4-oxo-4-(4-sulfamoylphenylamino)but-2-enoic acid (OSPAB) was prepared by reaction of maleic anhydride with sulphanilamide. The prepared ligand was characterized by elemental analysis and spectral studies. The transition metal complexes viz. Cu2+, Ni2+ , Co2+ , Mn2+ and Zn2+  of OSPAB were prepared and characterized by metal-ligand (M:L) ratio, IR, reflectance spectroscopies and magnetic properties. All the prepared metal complexes and ligand were studies as antimicrobial agent. Among all the metal complexes, Zn2+ and Cu2+ metal complexes have shown significant activity. Â
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