Herbicidal 2-iminopyridines

US5250498A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Roland Andree · Langenfeld, DE
• Hauke Furstenwerth · Leverkusen, DE
• Klaus Jelich · Wuppertal, DE
• Gunther Beck · Leverkusen, DE
• Peter Babczinski · Wuppertal, DE
• Klaus Lurssen · Wittlich, DE
• Hans-Joachim Santel · Leverkusen, DE
• Robert R. Schmidt · Cologne, DE

Key dates

• Filing date: Dec 7, 1990
• Grant date: Oct 5, 1993
• Expiry date: Dec 7, 2010

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D417/06
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A method of combating unwanted vegetation which comprises applying to such vegetation or to a locus from which it is desired to exclude such vegetation, a herbicidally effective amount of a 2-iminopyridine of the formula ##STR1## in which R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently of one another represent hydrogen, halogen, alkyl, halogenoalkyl, alkoxy, halogenoalkoxy, alkylthio or halogenalkylthio, PA1 R.sup.5' represents cyano, alkylcarbonyl, alkenylcarbonyl, alkynylcarbonyl, halogenoalkylcarbonyl, halogenoalkenylcarbonyl, halogenoalkynylcarbonyl, alkoxycarbonyl or alkylthiocarbonyl, or represents in each case optionally substituted phenylcarbonyl or phenoxycarbonyl, or represents alkylsulphonyl or optionally substituted phenylsulphonyl, or represents alkylaminocarbonyl or optionally substituted phenylaminocarbonyl, phenylalkylcarbonyl, phenylalkenylcarbonyl, furylcarbonyl, phenoxyalkylcarbonyl, thienylcarbonyl or pyridylcarbonyl, or represents cycloalkylcarbonyl, alkoxyalkylcarbonyl, alkylcarbonyloxyalkylcarbonyl, alkoxycarbonylcarbonyl or halogenalkylsulphonyl, PA1 A represents alkanediyl and PA1 Z represents optionally substituted aryl or optionally substituted hetary…