Herbicidal N-isopropylheteroaryloxyacetanilides

US5090991A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Heinz Forster · Wuppertal, DE
• Roland Andree · Langenfeld, DE
• Hans-Joachim Santel · Leverkusen, DE
• Robert R. Schmidt · Cologne, DE
• Harry Strang · Goldkronach, DE

Key dates

• Filing date: Aug 20, 1990
• Grant date: Feb 25, 1992
• Expiry date: Aug 20, 2010

Classification

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

Abstract

Herbicidal N-isopropylheteroaryloxyacetanilides of the formula ##STR1## in which A stands for nitrogen or the group C-R.sup.3 where PA1 R.sup.3 stands for halogen, cyano, alkyl, halogenoalkyl, alkoxy, halogenoalkoxy, alkylthio, halogenoalkylthio, alkylsulphinyl or alkylsulphonyl, PA1 B stands for nitrogen or the group C-R.sup.4 l where PA1 R.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 where PA1 R.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, PA1 Y stands for hydrogen or halogen, PA1 Z stands for oxygen, sulphur, SO or SO.sub.2, PA1 R.sup.1 stands for hydrogen, halogen, cyano, nitro, alkyl, halogenoalkyl, alkoxy, halogenoalkoxy, alkylthio or halogenoalkylthio, PA1 R.sup.2 stands for hydrogen, halogen, alkyl, halogenoalkyl or a…