Synthesis and antimicrobial activity of some new pyrazole containing cyanopyridone derivatives | Abstract

Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry, Pharmaceutical Sciences and Computational Chemistry

ISSN: 0975-413X
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Synthesis and antimicrobial activity of some new pyrazole containing cyanopyridone derivatives

Author(s): Shridhar Malladi, Arun M Isloor, Peethambar S. K, Ganesh B. M, Palusa SanathKumar Goud

A series of new 4,6-disubstituted-3-cyano-2-pyridone derivatives (4a-o) were synthesized. The structures of all target molecules (4a-o) have been confirmed by various spectral techniques and elemental analyses. The newly synthesized compounds were screened for antibacterial and antifungal activity and most of the compounds showed significant activity comparable with that of the standard drug. The results revealed that 4b, 4c, 4d, 4g, 4m, 4n and 4o showed good antibacterial activity towards all bacterial strains (Escherichia coli, Staphylococcus aureus and Pseudomonas aeruginosa) when compared to standard drug streptomycin. Amongst all the compounds, 4c showed moderate antifungal activity against Aspergillus flavus. The acute toxicity study has also been carried out for biologically active compounds and the experimental studies revealed that compounds were safe up to 2000 mg/kg and no deaths of animals were recorded.


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