African Journal of
Pure and Applied Chemistry

  • Abbreviation: Afr. J. Pure Appl. Chem.
  • Language: English
  • ISSN: 1996-0840
  • DOI: 10.5897/AJPAC
  • Start Year: 2007
  • Published Articles: 368

Full Length Research Paper

Oxovanadium (IV) esters of ciprofloxacin: Their characterization and potentiometric study

Saira Shahzadi1* and Saqib Ali2*
1Department of Chemistry, GC University, Faisalabad, Pakistan. 2Department of Chemistry, Quaid-i-Azam University, 45320 Islamabad, Pakistan
Email: [email protected];[email protected]

  •  Accepted: 23 June 2008
  •  Published: 30 June 2008

Abstract

The reaction between ciprofloxacin and VOSO4.3H2O in 1:1, 1:2 and 1:3 molar ratio in methanol was investigated at 20ËšC, 0ËšC and -10ËšC. 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.

 

Key words: Oxovanadium(IV) esters, IR, potentiometric study, stability constant.

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This article is published under the terms of the Creative Commons Attribution License 4.0

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