Abstract
With the aim of developing potent analgesic, anti-inflammatory, and antimicrobial agents a series of novel quinazolin-4(3H)-one derivatives were synthesized and characterized by FT-IR, 1H-NMR, mass spectroscopy and bases of elemental analysis. Tail-flick technique, carrageenan-induced foot paw edema test, and agar streak dilution test were performed for screening analgesic, anti-inflammatory, and in vitro antimicrobial activity, respectively. Moreover, all compounds were examined for its ulcerogenicity. Results revealed that entire series of compounds exhibited mild to good analgesic, anti-inflammatory, and antimicrobial activity with low to moderate ulcer index. The relationship between the functional group variation and the biological activity of the evaluated compounds were discussed. Compound 2-(2-(4-(trifluoromethyl)benzylidene)hydrazinyl)-N-(4-(2-methyl-4-oxoquinazolin-3(4H)-yl) phenyl) acetamide 5e was determined to be the most active compound.
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Acknowledgments
The authors gratefully acknowledge the Central Instrumentation Facility, IIT Chennai, India for the spectral analysis of the compounds used in this study. The authors are also wish to thank the management of Bapatla College of Pharmacy for providing infrastructure facilities to carry out this research study.
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Saravanan, G., Alagarsamy, V. & Prakash, C.R. Synthesis, analgesic, anti-inflammatory, and in vitro antimicrobial activities of some novel quinazolin-4(3H)-one derivatives. Med Chem Res 22, 340–350 (2013). https://doi.org/10.1007/s00044-012-0037-7
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DOI: https://doi.org/10.1007/s00044-012-0037-7