Substituted 1,3,4-oxa (thia) diazolinones process for their preparation and their use of combating endoparasites

US5093343A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Gerhard Bonse · Neunburg vorm Wald, DE
• Nikolaus Muller · Monheim, DE
• Achim Harder · Leverkusen, DE

Key dates

• Filing date: Sep 5, 1990
• Grant date: Mar 3, 1992
• Expiry date: Sep 5, 2010

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D285/13
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Substituted 1,3,4-oxa- and thiadiazolinones of the formula (I) ##STR1## in which R.sup.1 represents hydrogen, alkyl, alkoxy, alkylthio, halogen, halogenoalkyl, halogenoalkoxy or halogenoalkylthio, PA0 R.sup.2 represents one or more identical or different radicals from among hydrogen, alkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy, halogenoalkylthio, alkylenedioxy, halogenoalkylenedioxy, halogen, CN, NO.sub.2, NH.sub.2, alkylamino, dialkylamino, alkylcarbonyl, carbalkoxy, alkylsulphonyl, arylsulphonyl, sulphamoyl, alkylsulphamoyl, dialkylsulphamoyl, aryl, aryloxy or arylthio, which, in turn, can be sutstituted, PA0 R.sup.3 represents one or more identical or different radicals from among hydrogen, alkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy, halogenoalkylthio, alkylenedioxy, halogenoalkylenedioxy, halogen, CN, NO.sub.2, alkylcarbonyl, carbalkoxy, alkylsulphonyl, arylsulphonyl, sulphamoyl, alkylsulphamoyl, dialkylsulphamoyl, aryl, aryloxy or arylthio, which, in turn, can be substituted, PA0 X represents O or S, and PA0 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-f…