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Synthesis and Antimicrobial Evaluation of Novel Hydrazones and 1,3,4-Oxadiazoles Incorporating Bumetanide Derivatives | Abstract

Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry, Pharmaceutical Sciences and Computational Chemistry

ISSN: 0975-413X

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Abstract

Synthesis and Antimicrobial Evaluation of Novel Hydrazones and 1,3,4-Oxadiazoles Incorporating Bumetanide Derivatives

Author(s): Mustafa I, Mostafa SM, El-Sabbagh OI, Ibrahim TS, Abdulrahman A, Bendary MM

The aim of this study is to synthesize new benzenesulfonamide derivatives that possess antibacterial activity using Bumetanide as a precursor of benzenesulfonamide. A novel series of hydrazones containing benzenesulfonamides (4a-i) and 1,3,4 oxadiazole containing benzenesulfonamides (5a-e) were prepared and their antibacterial and antifungal activities were measured using microplate broth assay against Gram-positive: Staphylococcus aureus, Gram-negative: Escherichia coli and Pseudomonas aeruginosa and Fungi: Aspergillus fumigates and Candida albicans. The results showed that some of the prepared compounds exhibit a good to excellent activity against the mentioned bacteria, however all the series showed no activity against fungi. Among the series, Compound (4i) demoed an excellent antibacterial activity better than that of the standard reference (Sulfamethoxazole) against Escherichia coli, while compounds (4c, 4e, 4g) showed good activity against all tested bacterial strains equals to Sulfamethoxazole activity. Moreover, compounds (4g, 5d) exert an antimicrobial activity equals to that of Sulfamethoxazole against P. aeruginosa, while compounds (4a, 4b, 4c, 4f, 4g, 4h) exhibit similar activity to Sulfamethoxazole against Escherichia coli.


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