申请人:Burroughs Wellcome Co.
公开号:US04294843A1
公开(公告)日:1981-10-13
Anti-protozoal 1,2,4-oxadiazole derivatives of the formula: ##STR1## wherein R.sup.1 is amino or substituted amino; each R.sup.2 is the same or different in one or more of the 3, 4, 5 or 6 positions and is hydrogen, lower alkyl, halogen, hydroxy, alkoxy, alkylthio, arylthio, amino, substituted amino, cyano or nitro; X and Y together represent a bond or X and Y are both hydrogen; R.sup.3 is hydrogen, lower alkyl, aryl, substituted aryl or ArS.CH.sub.2 --; and Ar is unsubstituted or mono-, di- or tri-substituted phenyl wherein the substituents may be the same of different, and acid addition salts thereof, methods for their preparation, formulations thereof and their use in the treatment of protozoal infections, especially malaria are described.
公式为:##STR1##其中R.sup.1是氨基或取代氨基;每个R.sup.2在3、4、5或6位置中一个或多个位置上相同或不同,且为氢、较低烷基、卤素、羟基、烷氧基、烷基硫、芳基硫、氨基、取代氨基、氰基或硝基;X和Y一起表示键合或X和Y都是氢;R.sup.3是氢、较低烷基、芳基、取代芳基或ArS.CH.sub.2 --;Ar是未取代或单、双或三取代苯基,其中取代基可能相同或不同,以及其酸盐补充物,描述了其制备方法、配方以及在治疗原虫感染,特别是疟疾中的应用。