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Abstract

Synthesis and Characterization of Chromium (III) Complexes of N, O and S Donor Ligands

Author(s): K. Rathore and H. B. Singh

New chromium (III) complexes of N, O and S donor ligands such as furfuralidene semicarbazone (LH), furfuralidene thiosemicarbazone (L1H), vanilidene thiosemicarbazone (L2H2), vanilidene aniline (L3H), vanilidene fluoroaniline (L4H) and bis-vanilidene hydrazone (L5H2) were synthesized. The resulting chromium (III) complexes were characterized on the basis of elemental analysis, conductance measurements, molecular weights determination, IR, 1H NMR and UV-Vis. spectral studies. The ligands act as a monofunctional bidentate, monofunctional tridentate and bifunctional tridentate donors and coordinate through furfural oxygen, phenolic oxygen, azomethine nitrogen, enolic oxygen and thioenolic sulphur atoms. The antibacterial activity of the ligands and their complexes has been screened against S. aureus and E. coli. The spectral data suggested a six coordinate geometry around the chromium (III) metal ion.


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  • Geneva Foundation for Medical Education and Research
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