A novel series of trivalent coordination complexes was synthesized by the reaction between a chloride/
acetate salt of iron, chromium, cobalt or manganese ions and NNNNOO type persuasive Schiff base
ligand synthesized from 2,3-dioxobutane, ethane-1,2-diamine and 4-chloro-2-formylphenol.
Synthesized compounds were characterized by using elemental analysis, molar conductance, magnetic
moment, IR, UV-visible, 1H NMR, 13C NMR and ESI-MS spectral analyses. IR and NMR spectra
favoured hexadentate coordination behaviour of ligand. Electronic spectra and magnetic moment data
reveal Oh geometry with distortion around the metal ion in complexes. The molar conductance values
show 1:1 electrolytic nature of complexes. Biological potentiality of the ligand and its metal complexes
were tested in vitro against two bacterial and two fungal strains; Bacillus subtilis, Escherichia coli and
Aspirgillus niger, Aspirgillus flavus, respectively.
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