Synthesis and antimicrobial potential of barbituric acid derivatives
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Date
2022
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Punjab Agricultural University, Ludhiana
Abstract
Functionalized 5-aryl-pyrimido[4,5-b]quinoline-2,4(1H,3H,5H,10H)-diones were synthesized in high yields using one-pot three-component approach by reacting barbituric acid, aryl aldehydes, aryl amines and p-toluenesulfonic acid as catalyst. These synthesized compounds were characterized with the help of various spectral techniques viz. 1HNMR, 13CNMR, FT-IR spectroscopy and Mass spectrometry. All the synthesized compounds were screened to evaluate their in vitro antimicrobial potential against bacterial strain Dickeya sp. with respect to Gentamicin as standard and against fungal strain Fusarium oxysporum with respect to Carbendazim as standard. It was concluded that the barbituric acid derivatives 8-bromo-5-(4nitrophenyl)pyrimido[4,5-b]quinoline-2,4(1H,3H,5H,10H)-dione (5e) and 8-nitro-5-(4nitrophenyl)pyrimido[4,5-b]quinoline-2,4(1H,3H,5H,10H)-dione (5g) showed better antimicrobial potential at with MIC = 3000 μg/mL and MFC = 5000 μg/mL as compared to the other screened compounds.
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Madhvi (2022). Synthesis and antimicrobial potential of barbituric acid derivatives (Unpublished M.Sc. thesis). Punjab Agricultural University, Ludhiana, Punjab, India.