Synthesis and Antimicrobial Screening of 3H-Quinazolin-4-Ones Containing 3-Methyl Pyrazolinone Moiety.
Journal: Current Pharma Research (Vol.3, No. 1)Publication Date: 2012-12-15
Authors : Hurmath Unnissa S Gayam Krishna Reddy;
Page : 690-696
Keywords : Quinazolinone; pyrazole; minimum inhibitory concentration; fungi and bacteria.;
Abstract
Aseries of 2- benzyl ? 3 - {4- [N'- (3-substituted-5-oxo-1-substituted-1, 5-dihydropyrazole-4-ylidene) hydrazino] phenyl}-3H-quinazoline-4-one, derivative were synthesized. The synthesized compounds were characterized by UV, IR, NMR, Mass spectral data. The synthesized compounds were screened for their antibacterial and antifungal activity against pathogenic bacteria and fungus. Compounds Q7, 3-[4-(3, 5-dimethyl-1H-pyrazol-4-ylazo) phenyl]-2-benzyl-3H-quinazolin-4-one and Q3,2-benzyl-3-{4-[N'-(3-methyl-5-oxo-1-isonictinoylpyrazole-4-ylidene) hydrazino] phenyl} - 3H- quinazoline-4 one exhibited good antibacterial and antifungal activity against the tested microorganisms.
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