Synthesis, characterization, antioxidant power and acute toxicity of some new azo-benzamide and azo-imidazolone derivatives with in vivo and in vitro antimicrobial evaluation

Add time:07/22/2019    Source:sciencedirect.com

In this research paper, a stepwise chemical reaction was conducted to synthesize and develop of a new potent azo-oxazolone, which was used as prototypical molecule for production of two series of azo-benzimide (5a–j) and azo-imidazolone (6a–j). FT-IR, 1H NMR, 13C NMR and CHN analysis were used for the structural elucidation. The high biological efficiency of newly obtained compounds was confirmed by in vitro antioxidant efficacy and in vitro antimicrobial activity against gram-positive and gram-negative bacteria via disc diffusion and tube dilution techniques. In addition, in vivo anti-microbial activity of some of the synthesized compounds was determined by using burnt rats which infected by Staphylococcus aureus. Tested compounds have shown high anti-microbial activity and wound healing in comparison to ucederm as a control. In vivo acute toxicity was carried out by up and down method for the compounds 4, 5d and 6d. The limited test dose was 2000 mg/kg, while the maximum tolerated dose was 5000 mg/kg which has administered no lethality recorded.

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