Patent number: 5090991
Abstract: Herbicidal N-isopropylheteroaryloxyacetanilides of the formula ##STR1## in which A stands for nitrogen or the group C-R.sup.3 whereR.sup.3 stands for halogen, cyano, alkyl, halogenoalkyl, alkoxy, halogenoalkoxy, alkylthio, halogenoalkylthio, alkylsulphinyl or alkylsulphonyl,B stands for nitrogen or the group C-R.sup.4 l whereR.sup.4 stands for halogen, cyano, alkyl, halogenoalkyl, alkoxy, halogenoalkoxy, alkylthio, halogenolakylthio, alkylsulphinyl, halogenoalkylsulphinyl, alkylsulphonyl, halogenoalkylsulphonyl, for phenyl which is optionally substituted by halogen, alkyl, halogenoalkyl, alkoxy or halogenoalkoxy, or for the group -CY.sub.2 -Z-R.sup.5 whereR.sup.5 stands for alkyl, which is optionally substituted by halogen, alkoxy or alkylthio, or for phenyl which is optionally substituted by halogen, alkyl, halogenoalkyl, alkoxy, halogenoalkoxy, alkylthio or halogenoalkylthio,Y stands for hydrogen or halogen,Z stands for oxygen, sulphur, SO or SO.sub.2,R.sup.
Type:
Grant
Filed:
August 20, 1990
Date of Patent:
February 25, 1992
Assignee:
Bayer Akatiengesellschaft
Inventors:
Heinz Forster, Roland Andree, Hans-Joachim Santel, Robert R. Schmidt, Harry Strang