Journal
JOURNAL OF COORDINATION CHEMISTRY
Volume 62, Issue 17, Pages 2903-2908Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00958970902946694
Keywords
Computation; Ab initio; Potentiometry; Schiff base; Furfural; Histidine; IR; UV-Vis; CV; Antibacterial
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The Schiff base furfural-histidine with Co(II), Ni(II), Cu(II), and Zn(II) in solution gives M(AB), M(AB)B, or M(AB)2. The Schiff base is tetradentate in M(AB)2 and M(AB)B and tridentate in M(AB)2; [M(AB)2] center dot 2H2O (M = Co, Ni and Zn) and [Cu(AB)]NO3 were synthesized and characterized by elemental analysis, molecular weight determination, conductance, IR, UV-Vis, and CV. The electronic spectral measurements indicate that M(AB)2 (M = Co(II) and Ni(II)) are octahedral and Cu(AB) is square planar geometry. The donor groups in the complexes have been identified by IR. The complexes undergo irreversible one step, two-electron reduction. Antibacterial activity of the complexes was screened for Escherichia coli and Staphylococcus aureus. Cu(II) complex was found to be more active than the Co(II), Ni(II), and Zn(II) complexes.
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