Substituted benzoylcyclohexanediones for use as herbicides

US6825183B2 · kind B2 · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Klaus-Helmut Muller · Düsseldorf, DE
• Hans-Georg Schwarz · Dorsten, DE
• Stefan Lehr · Leverkusen, DE
• Otto Schallner · Monheim, DE
• Dorothee Hoischen · Monheim, DE
• Mark Wilhelm Drewes · Langenfeld, DE
• Peter Dahmen · Neuss, DE
• Dieter Feucht · Eschborn, DE
• Rolf Pontzen · Leichlingen, DE

Key dates

• Filing date: Jun 21, 2002
• Grant date: Nov 30, 2004
• Expiry date: Jul 31, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D233/32
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to novel substituted benzoylcyclohexanediones of the general formula (I) in whichA1 represents a single bond or represents alkanediyl (alkylene) having 1 to 3 carbon atoms,A2 represents alkanediyl (alkylene) having 1 to 3 carbon atoms, andR1, R2, R3, R4 and R5 are each as defined in the description,and to novel intermediates, to processes for their preparation and to their use as herbicides.