申请人:Bayer Aktiengesellschaft
公开号:US05371231A1
公开(公告)日:1994-12-06
The present invention relates to new substituted 1,2,4-oxadiazole derivatives of the formula (I) and to their stereoisomers ##STR1## in which formula R.sup.4 represents OH, SH, halogenoalkoxy, halogenoalkylthio, halogenoalkylsulphinyl, halogenoalkylsulphonyl, aryloxy, aralkoxy, arylthio, aralkylthio, alkylenedioxy, halogenoalkylenedioxy, amino, alkylamino, dialkylamino, acylamino, carbamoyl, alkylsulphinyl, alkylsulphonyl, arylsuphinyl, arylsulphonyl, sulphonylamino, alkoxycarbonyl, alkylcarbonyl, alkylcarbonyloxy, alkoxyalkyl, alkoxyalkoxy or hydroxyalkoxy, where in the event that at least one of the radicals R.sup.2 or R.sup.3 is other than hydrogen, R.sup.4 additionally represents halogen, alkyl, halogenoalkyl, alkoxy or thioalkyl, where, in the event that R.sup.1 represents optionally substituted C.sub.1-8 -alkyl, R.sup.4 additionally represents alkoxy, processes for their preparation, and their use as endoparasiticides.
本发明涉及新的1,2,4-噁二唑衍生物的替代物式(I)及其立体异构体##STR1##式中R.sup.4代表OH、SH、卤代烷氧基、卤代烷基硫醇基、卤代烷基亚磺酰基、卤代烷基磺酰基、芳氧基、芳基氧基、芳基硫基、芳基烷硫基、烷二氧基、卤代烷基二氧基、氨基、烷基氨基、二烷基氨基、酰胺基、氨基甲酰基、烷基亚磺酰基、烷基磺酰基、芳基亚磺酰基、芳基磺酰基、磺酰胺基、烷氧羰基、烷基羰基、烷基羰氧基、烷氧基烷基、烷氧基烷氧基或羟基烷氧基,其中如果R.sup.2或R.sup.3中至少有一个基团不是氢,则R.sup.4还代表卤素、烷基、卤代烷基、烷氧基或硫代烷基,如果R.sup.1代表可选取代的C.sub.1-8-烷基,则R.sup.4还代表烷氧基,以及它们的制备方法和作为内寄生虫药的用途。