Synthesis of Some New Hydroxytriazenes and their Antimicrobial and Anti-inflammatory Activities

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Author(s): Shilpa Jain, Varsha Dayma, Poonam Sharma, Amit Bhargava, Prabhat. K. Baroliya*, Ajay. K. Goswami*.

Journal Name: Anti-Inflammatory & Anti-Allergy Agents in Medicinal Chemistry

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Background: Hydroxytriazenes and their derivatives have been studied for the biological and pharmacological applications in the past few years. These compounds possess antibacterial, antifungal, anti-inflammatory, analgesic and wound healing activities. In this study, we report the synthesis of ten hydroxytriazenes in two series derived from disubstituted aniline and studied for antimicrobial and anti-inflammatory activities.

Method: For this purpose 2-methyl-5-chloroaniline and 2-trifluoromethyl-5-chloroaniline were used to synthesize compounds A1-5 and B1-5 series, respectively. All compounds were synthesized by the reported method which involves three steps of the method (i) Reduction, (ii) Diazotization, (iii) Coupling. All synthesized compounds were characterized by various techniques CHN elemental analysis, FTIR, 1H NMR, and MASS spectral analysis. The antibacterial activities of the compounds were screened against S. aureus, S. pyogenes, E. coli, P. aeruginosa, and antifungal activities were against C. albicans, A. clavatus by the zone of inhibition method. In addition, Anti-inflammatory activity was also evaluated by carrageenan-induced paw edema method and results were reported as % inhibition.

Results: All the synthesized compounds were obtained in pure form and their spectral data are in good agreement with their structure. The synthesized compounds have shown good antimicrobial activity and zone of inhibition was ranging 21 to 24 mm. Further anti-inflammatory effect of the compounds was 96.58 to 98.71 % inhibition.

Conclusion: The results of the present study indicate that chloro and trifluoromethyl substitution at hydroxytriazenes skeleton could improve anti-inflammatory and antimicrobial activities.

Keywords: Hydroxytriazenes, antibacterial, antifungal, anti-inflammatory

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(E-pub Ahead of Print)
DOI: 10.2174/1871523018666190301151826
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