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Journal of Chinese Pharmaceutical Sciences ›› 2021, Vol. 30 ›› Issue (10): 838-844.DOI: 10.5246/jcps.2021.10.072

• Original articles • Previous Articles     Next Articles

Preparation and antibacterial activities of metal complexes of norfloxacin

Ahsan Zamir Siddiqi1,2, Muneeba Akhtar3, Agha Zeeshan Mirza4,*()   

  1. 1 Research Institute of Pharmaceutical Sciences, Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Karachi, Karachi-75270, Pakistan
    2 Highnoon Laboratories Limited, Lahore, Pakistan
    3 Department of Pharmaceutics, Faculty of Pharmacy, University of Central Punjab, Lahore-54782, Pakistan
    4 Chemistry Department, Faculty of Applied Sciences, Umm Al-Qura University, Makkah, Saudi Arabia
  • Received:2021-04-12 Revised:2021-06-17 Accepted:2021-07-11 Online:2021-10-24 Published:2021-10-24
  • Contact: Agha Zeeshan Mirza

Abstract:

The metal complexes of norfloxacin were prepared, and their structures were characterized using spectroscopic techniques like IR, 1H NMR, UV, atomic absorption, and CHN analysis. The solubility, melting point, and conductance measurements were also performed. These studies suggested that norfloxacin formed complexes with the metals utilizing carbonyl oxygen atom of the ring and carboxylic group oxygen atom. The antibacterial activities of these metal complexes against 14 different Gram-positive and Gram-negative microorganisms were studied by the disk susceptibility method. It was observed that the complexes of norfloxacin with magnesium, calcium, cobalt, nickel, and copper showed improved activity compared with the stated drug.

Key words: Norfloxacin, Metal complexes, Characterization, Antibacterial activities

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