Synthesis of Mixed Lig and Complexes of Cr(Ill), Mn(Il), Fe(lll), CO(II),Ni(Il), Cu(Il) with Benzilmonohydrazone and Diacetylmonoxime and Study of Their Antibacterial Activities

M. B. H. Howlader¹, M. S. Begum¹ and M. Shahjahan²

1Department of Chemistry, Rajshahi University, Rajshahi 6205, Bangladesh. 2Department of Biochemistry, Rajshahi University, Rajshahi 6205, Bangladesh.

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ABSTRACT:

Mixed ligand complexes of Cr(III). Mn(ll), Fe(III) Co(II), Ni(ll) and Cu(ll) have been Synthesized by the reaction of bonzil monohydrazone and diacetyl monoxime with corresponding metal chlorides. The complexes are [Cr(L)(L')CI2], [Mn(L)(HL')CI2],[Fe(L)(L')CI2], {Co(L)(HL')-CI2],[NI(L)(L')CI2], [Cu(L)(L')CI2], where L - benzil monohydrazone and HL'= diacetyl monoxime. The complexes have been characterized on the basis of their elemental analyses, intend and UV-visibie spectroscopy, magnetic moment and conductance measurements. The complexes exhibit antibacterial activities against Staphylococcus aureus, Streptococcus pyogenes, Escherichia coli and Shigella sonnet.

KEYWORDS:

ligand complexes; Staphylococcus aureus; Streptococcus pyogenes; Escherichia coli; Shigella sonnet