Journal of Science and Geosciences

Report on oxovanadium (IV) complexes of ciprofloxacin and their characterization by IR spectroscopy and their potentiometric study


Eddy K. L and Ebenso G. J

The reaction between ciprofloxacin and VOSO4.3H2O in 1:1, 1:2 and 1:3 molar ratio in methanol was investigated at 20�?C, 0�?C and -10�?C. In various pH conditions the different complexes which are formulated as VO(H2O)3L, VO(H2O)L2 and VL3 have been formed by titration of VOSO4.3H2O with ciprofloxacin in the presence of NaOH. These complexes have been characterized by IR spectroscopy. The order of stability is estimated as 1:1 >1:3 >1:2 which is justified by the proposed mechanism.


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