| 摘要 |
The present invention relates to novel substituted 1,3,4-oxa- and thiadiazolinones of the formula (I) …<IMAGE>… in which … … R<1> represents hydrogen, alkyl, alkoxy, alkylthio, halogen or haloalkyl, … R<2> represents one or more identical or different radicals from the series comprising hydrogen, alkyl, alkoxy, alkylthio, haloalkyl, haloalkoxy, haloalkylthio, alkylenedioxy, haloalkylenedioxy, halogen, CN, NO2, NH2, alkylamino, dialkylamino, alkylcarbonyl, carbalkoxy, alkylsulphonyl, arylsulphonyl, sulphamoyl, alkylsulphamoyl, dialkylsulphamoyl, aryl, aryloxyl, arylthio, each of which can, in turn, be substituted, … R<3> represents one or more identical or different radicals from the series comprising hydrogen, alkyl, alkoxy, alkylthio, haloalkyl, haloalkoxy, haloalkylthio, alkylenedioxy, haloalkylenedioxy, halogen, CN, NO2, NO, alkylcarbonyl, carbalkoxy, alkylsulphonyl, arylsulphonyl, sulphamoyl, alkylsulphamoyl, dialkylsulphamoyl, aryl, aryloxy, arylthio, each of which can, in turn, be substituted, … X represents O or S, … Y represents O or S, … with the exception of the compounds 5-phenoxy-3-(3,4-dichlorophenyl)- 1,3,4-oxadiazol-2-(3H)-one and 5-phenoxy-3-(3-chloro-4-fluorophenyl)- 1,3,4-oxadiazol-2-(3H)one. …<??>The compounds have endoparasiticidal activity. |
