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Synthesis, Structure Elucidation, and Microbial Evaluation of Some 3d-metal ion Complexes with Bis (2- imino-1-thiazolidinyl-4-one) 1,2-ethylene

Besfat Amare, R.K. Upadhyay, Amare Ayalew

Abstract


Cu(II),Co(II),Fe(III), Ni(II), and Zn(II) complexes of bis (2-imino-1-thiazolidinyl-4-one) 1, 2-ethylene
have been synthesized and characterized by elemental analysis, magnetic susceptibility, molar
conductance, IR, 1H NMR, and UV-visible spectroscopy. The studies indicate tetra dentate ligancy of
the bis (2-imino-1-thiazolidinyl-4-one) 1, 2-ethylene through both azomethine and thienyl groups in
the complexes. All complexes are electrolytes except Cu (II) which is none-electrolyte. Co(II) and
Fe(III) complexes are octahedral and Ni(II) and Cu(II) complexes are distorted octahedral whereas
Zn(II) complexes are four coordinated and thus with tetrahedral geometry. The ligand and its metal
complexes were screened for their antibacterial activity against Staphylococcus aureus and
Xanthomonas holcicola and their antifungal activity against Fusarium and Aspergillus niger. All
compounds are inactive against both test fungi except Zn(II) complex whereas all of them have
exhibited bactericidal properties against the test bacteria.


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References


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