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Synthesis and evaluation of antimycobacterial 1,3,4-oxadiazole derivatives
Šikorová, Enikő ; Krátký, Martin (advisor) ; Vinšová, Jarmila (referee)
Charles University, Faculty of Pharmacy in Hradec Králové Department of Organic and Bioorganic Chemistry Author: Enikő Šikorová Supervisor: doc. PharmDr. Mgr. Martin Krátký, Ph.D. Consultant: Mgr. Václav Pflégr Title of diploma thesis: Synthesis and evaluation of antimycobacterial 1,3,4-oxadiazole derivatives Tuberculosis (TB) is a serious infectious disease caused by obligately pathogenic rods of Mycobacterium tuberculosis complex (Mtb.), and it is still among the ten most common causes of death worldwide. One of the main complications of TB therapy is the ever-increasing resistance of mycobacterial strains to conventional drugs. Therefore, the development of new antimycobacterial compounds is crucial to overcome this issue. Research and development of new potential antimycobacterial agents often involve structure modifications of clinically used drugs - frequently the first-line drug, isoniazid (INH). The starting point of this work is also the structure of the already mentioned INH. First, a series of 2-alkyl-5-(pyridine-4-yl)-1,3,4-oxadiazoles and N'-acylisonicotinohydrazides as their synthetic precursors were prepared and evaluated with very promising activity (expressed as minimal inhibitory concentration - MIC) against several mycobacterial strains (MIC Mtb. H37Rv of 1-8 µM). Furthermore,...
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