Patent number: 5462913
Abstract: The invention relates to new 1-H-3-aryl-pyrrolidine-2,4-dione derivatives of the formula (I) ##STR1## in which A and B together with the carbon atom to which they are bonded represent a substituted cycle,X represents alkyl, halogen or alkoxy,Y represents hydrogen, alkyl, halogen, alkoxy or halogenoalkyl,Z represents alkyl, halogen or alkoxy,n represents 0, 1, 2 or 3,G represents hydrogen (a) or the groups ##STR2## represents a metal ion equivalent or an ammonium ion, L and M represents oxygen and/or sulphur,R.sup.1 represents in each case optionally halogen-substituted alkyl, alkenyl, alkoxyalkyl, alkylthioalkyl, polyalkoxyalkyl or cycloalkyl, which can be interrupted by hetero atoms, optionally substituted phenyl, optionally substituted phenylalkyl, substituted hetaryl, substituted phenoxyalkyl or substituted hetaryloxyalkyl,R.sup.2 represents in each case optionally halogen-substituted alkyl, alkenyl, alkoxyalkyl, polyalkoxyalkyl or in each case optionally substituted phenyl or benzyl,R.sup.3, R.sup.
Type:
Grant
Filed:
October 21, 1993
Date of Patent:
October 31, 1995
Assignee:
Bayer Aktiengesellschaft
Inventors:
Reiner Fischer, Thomas Bretschneider, Bernd-Wieland Kruger, Christoph Erdelen, Hans-Joachim Santel, Klaus Lurssen, Robert R. Schmidt, Ulrike Wachendorff-Neumann, Wilhelm Stendel