PMID: 26825066Jan 31, 2016Paper

Nitazoxanide Analogues as Antimicrobial Agents Against Nosocomial Pathogens

Medicinal Chemistry
Jia-Suey GauMing-Kuan Hu

Abstract

The frequent use of antibacterial agents and the exposure of the patients to lifesaving intervention processes are consistently associated with the increased chance of nosocomial infections and the emergence of multidrug resistant microorganisms in the hospital environment. Thus, new antimicrobial agents are of unmet need to treat the severe nosocomial infections caused by these putative pathogens resistant to currently available agents. Design, synthesis, and biological evaluation of analogues of nitazoxanide (NTZ), an FDA approved thiazolide antiparasitic, as new antimicrobial agents against nosocomial pathogens were described. The NTZ analogues were rationally explored on the basis of either increasing the electronic resonance effects at the nitrothiazolide moiety or improving the anionic form of the whole NTZ structure. The MICs and MBCs values of these NTZ analogues against prevalent nosocomial pathogens were measured. The benzologous analogues 3a and 4a and p-chlorobenzenesulfonamides 8d and 9d exhibited tremendous antimicrobial activities, which were 100- to 2000-fold more potent than NTZ and ciprofloxacin. The results demonstrated that delicate manipulation of the NTZ core structure could lead to promising antimicrobial...Continue Reading

Citations

Jul 10, 2018·Current Medicinal Chemistry·Ananda Kumar KonreddyYongseok Choi
Jun 5, 2021·Pharmacology Research & Perspectives·Tasmia AhmedA K Azad Chowdhury

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