Pyridine ketones with herbicidal effect

US7745495B2 · kind B2 · utility

Assignee

• Syngenta Crop Protection AG · CH

Inventors

• Sebastian Volker Wendeborn · Village of La Jolla, US
• Renaud Beaudegnies · Chur, CH
• Andrew Edmunds · Chur, CH
• Christoph Luthy · Schwerzenbach, CH
• Jurgen Schaetzer · Rheinfelden (Baden), DE

Key dates

• Filing date: Dec 20, 2005
• Grant date: Jun 29, 2010
• Expiry date: Jun 12, 2027

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D213/50
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to compounds of formula (I) wherein A1 is C(R1R2)p; A2 is C(R6R7)q; p is 1 or 2; q is 1 or 2; each of R1, R2, R3, R4, R5, R6, R7 and R8 which may be the same or different, represents hydrogen, methyl or ethyl and R9 is C1-C4alkyl; R10 is hydrogen, halogen, C1-C3alkyl or C1-C3-haloalkyl, and agronomically acceptable salts/isomers/enantiomers/tautomers/N-oxides of those compounds.