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Synthesis, Characterization and Antimicrobial Evaluation of Some N-Substituted Benzimidazole Derivatives

[ Vol. 17 , Issue. 1 ]

Author(s):

Anuj Kumar, Yogesh Kumar, Jagdish K. Sahu* and Sushil Kumar   Pages 87 - 91 ( 5 )

Abstract:


Background: Due to the appearance of communicable microbial diseases and the toxicity related with presently used several antimicrobials such as β-lactam antibiotics, tetracyclines, quinolones, macrolides, glycopeptides (vancomycin) etc, demand for new antimicrobial agents has become a great concern in new technologies to improve efficacy and safety.

Methods: In search of new antimicrobial agents with higher potency, some N-substituted benzimidazole derivatives (4, 5a-5h & 6) were obtained by chloroacetylation of benzimidazole followed by reaction with different amines, which were characterized by spectroscopic methods. All the target compounds were evaluated for their antibacterial and antifungal activity against microorganisms using two-fold serial dilution method.

Results: Among the compounds evaluated, compounds 4 and 5d exhibited potent activity against Bacillus thuringiensis and Candida albicans while showed moderate activity against Escherischia coli when compared to amoxicillin and fluconazole. Compound 5a showed significant activity against tested microorganisms.

Conclusion: From the current study, it may be concluded that synthesized compounds are fulfilling in terms of their structural distinctiveness and marked biological properties. These compounds might be encouraged to initiate a new class of antimicrobial agents.

Keywords:

Benzimidazoles, antibacterial, antifungal, two-fold serial dilution method, amines, microbial diseases.

Affiliation:

Faculty of Pharmacy, IFTM University, Moradabad - 244102, Faculty of Pharmacy, IFTM University, Moradabad - 244102, Faculty of Pharmacy, IFTM University, Moradabad - 244102, Faculty of Pharmacy, IFTM University, Moradabad - 244102

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