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International Letters of Chemistry, Physics and Astronomy
ILCPA Volume 57

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An Efficient Synthesis and Antimicrobial Evaluation of some New Pyrazoline, Pyrimidine and Benzodiazepine Derivatives Bearing 1,3,5-Triazine Core

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In our present investigation a new class of diverse sets of acetyl pyrazolines (6a-e), amino pyrimidines (7a-e) and 1,5-benzodiazepines (8a-e) bearing 1,3,5-triazine core were synthesised from chalcones (5a-e). Treatment of chalcone with hydrazine hydrate, guanidine hydrochloride and o-phenylenediamine afforded the corresponding acetyl pyrazoline, amino pyrimidine and 1,5-benzodiazepine derivatives respectively. The structures of all the newly synthesised compounds were assigned on the basis of FTIR, 1H NMR, 13C NMR, mass spectral data as well as elemental analysis. In vitro antimicrobial proficiency of the title compounds were assessed against selected pathogens S. aureus MTCC 96, S. pyogeneus MTCC 442, E. coli MTCC 443 and P. aeruginosa MTCC 1688 bacteria for antibacterial activities as well as antifungal activities against C. albicans MTCC 227, A. niger MTCC 282 and A. clavatus MTCC 1323 were used. The minimum inhibitory concentration (MIC) was determined by broth dilution method and recorded at the lowest concentration inhibiting growth of the organism. Among the synthesised compounds 6b, 6c, 7b, 8b, 8d and 8e exhibited excellent antimicrobial activity and said to be the most proficient members of the series.


International Letters of Chemistry, Physics and Astronomy (Volume 57)
A. Solankee and R. Tailor, "An Efficient Synthesis and Antimicrobial Evaluation of some New Pyrazoline, Pyrimidine and Benzodiazepine Derivatives Bearing 1,3,5-Triazine Core", International Letters of Chemistry, Physics and Astronomy, Vol. 57, pp. 13-24, 2015
Online since:
August 2015

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