C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
167/233, 260/300
C07D 271/113 (2006.01) A61K 31/41 (2006.01) C07D 285/125 (2006.01) C07D 285/13 (2006.01) C07D 413/10 (2006.01) C07D 417/10 (2006.01)
Patent
CA 2025968
ABSTRACT OF THE DISCLOSURE Substitutes 1,3,4-oxa- and thiadiazolinones of the formula (I) Image in which R1 represents hydrogen, alkyl, alkoxy, alkylthio, halogen, halogenoalkyl, halogenoalkoxy or halogeno- alkylthio, R2 represents one or more identical or different radicals from amongst hydrogen, alkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy, halogeno- alkylthio, alkylenedioxy, halogenoalkylenedioxy, halogen, CN, NO2, NH2, alkylamino, dialkylamino, alkylcarbonyl, carbalkoxy, alkylsulphonyl, aryl- sulphonyl, sulphamoyl, alkylsulphamoyl, dialkyl- sulphamoyl, aryl, aryloxy or arylthio, which, in turn, can be substituted, R3 represents one or more identical or different radicals from amongst hydrogen, alkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy, halogeno- alkylthio, alkylenedioxy, halogenoalkylenedioxy, halogen, CN, NO2, alkylcarbonyl, carbalkoxy, alkyl- sulphonyl, arylsulphonyl, sulphamoyl, alkyl- sulphamoyl, dialkylsulphamoyl, aryl, aryloxy or arylthio, which, in turn, can be substituted, Le A 27 173 X represents O or S, and 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 , are disclosed as useful to combat endoparasites. Compo- sitions containing these compounds and process for preparing them are also disclosed. * * * Le A 27 173
Bonse Gerhard
Harder Achim
Muller Nikolaus
Aktiengesellschaft Bayer
Bonse Gerhard
Fetherstonhaugh & Co.
Harder Achim
Muller Nikolaus
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