Abstract
A tridentate dibasic Schiff base ligand with an ONO donor set reacts with ( n— C 4H 9) 4NVO 3 in the presence of a small amount of acetic acid to form a monomeric and five-coordinated oxovanadium(V) complex of the type [VO(L)(OCH) 2CH 3)] (H 2L=N-benzoylacetone- m-Bromobenzoylhydrazone) The title complex has been characterized by elemental analysis. IR, EPR, 1H NMR, electronic absorption spectra and conductance measurements. The results of EPR spectrum and electronic absorption spectra confirm that the oxidation state of the vanadium is + 5. A biological effect of the ligand and its complex has been studied. The X-ray structure analysis reveals that the coordination environment of the vanadium atom is a square pyramid with the oxo-ligand occupying the apical position.
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