Synthesis of new Imidazole Derivatives as effective Antimicrobial Agents

Bipin Kumar Verma, Sunil Kapoor, Umesh Kumar, Savita Pandey, Priti Arya


In the present work, some new imidazole derivatives (3i-xii) were synthesized as per design
synthetic protocol scheme. The structures of newly prepared compounds were confirmed by
modern analytical technique (IR, 1H-NMR, Mass spectral data) and elemental analysis, results
found in full agreement with their assigned structures. All the synthetic compounds were
screened for their antimicrobial activity against bacterial strains viz. Escherichia coli (E. coli,
MTCC 2961), Staphylococcus aureus (S. aureus, MTCC 3160), Bacillus subtilis (B. subtilis,
MTCC 121), Klebsiella pneumoniae (K. pneumoniae, MTCC 3040) and Micrococcus luteus
(M. luteus, MTCC 7527)) and fungal strains viz. Candida albicans (C. albicans, MTCC 227),
Aspergillus niger (A. niger, MTCC 277) and Aspergillus flavus (A. flavus, MTCC 418) ;
results showed good to remarkable activity. The MIC (minimum inhibitory concentration)
values were determined by comparison to ciprofloxacin (anti-bacterial) and fluconazole (antifungal)
as standard drug. Among them, compound 3iv and 3x exhibited notable antimicrobial
activity. These compounds may be used as new template for the searching of potential
antimicrobial agents.


Imidazole, Biphenyl ethanone, Antibacterial activity and Antifungal activity.

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