SYNTHESIS, CHARACTERIZATION AND ANTIMICROBIAL STUDY OF SOME BENZENESULFONAMIDE BASED BIPYRAZOLES
Journal Title: International Journal of Pharmacy and Pharmaceutical Sciences - Year 2014, Vol 6, Issue 10
Abstract
Objectives: To synthesize, characterize and evaluate antimicrobial properties of some benzenesulfonamide based bipyrazole.Methods: The benzenesulfonamide based bipyrazole 1a-d & 2a-f have been synthesized by the reaction between 1-[1-aryl / (benzothiazol-2-yl)-5-hydroxy-3-methylpyrazol-4-yl]butane-1,3-diones 5 and 2-hydrazinobenzothiazoles or Aryl hydrazines 3. The structures of these compounds have been characterized from the rigorous analysis of their IR, 1H-NMR, HRMS and elemental analysis. These compounds were screened for their anti-microbial activity.Results: The results revealed that compounds 1a, 2b and 2f exhibited good antibacterial activity and 1b, 1c, 2a, and 2d showed moderate antibacterial activity as compared with standard drug Ofloxacin.Conclusion: This study provides the simple method for the synthesis of new benzenzenesulfonamide based bipyrazoles which plays important role in numerous bioactive compounds.Â
Authors and Affiliations
Karan Singh, Pawan K Sharma
Keywords
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