Substituted benzoylpyrazoles as herbicides

US6746989B1 · kind B1 · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Klaus-Helmut Muller · Düsseldorf, DE
• Stefan Lehr · Leverkusen, DE
• Otto Schallner · Monheim, DE
• Hans-Georg Schwarz · Dorsten, DE
• Heinz-Jurgen Wroblowsky · Langenfeld, DE
• Mark Wilhelm Drewes · Langenfeld, DE
• Dieter Feucht · Eschborn, DE
• Rolf Pontzen · Leichlingen, DE
• Ingo Wetcholowsky · Mangaratiba, BR

Key dates

• Filing date: Sep 26, 2001
• Grant date: Jun 8, 2004
• Expiry date: Sep 26, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D487/04
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to novel substituted benzoylpyrazoles of the general formula (I), in whichn represents the numbers 0, 1, 2 or 3,A represents a single bond or represents alkanediyl(alkylene),R1 represents in each case optionally substituted alkyl, alkenyl, alkinyl or cycloalkyl,R2 represents hydrogen, cyano, carbamoyl, thiocarbamoyl, halogen, or represents in each case optionally substituted alkyl, alkoxy, alkylthio, alkoxycarbonyl or cycloalkyl,R3 represents hydrogen, nitro, cyano, carboxyl, carbamoyl, thiocarbamoyl, halogen, or represents in each case optionally substituted alkyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylamino, dialkylamino or dialkylaminosulfonyl,R4 represents nitro, cyano, carboxyl, carbamoyl, thiocarbamoyl, halogen, or represents in each case optionally substituted alkyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylamino, dialkylamino or dialkylaminosulfonyl,Y represents hydrogen or represents in each case optionally substituted alkyl, alkylcarbonyl, alkoxycarbonyl, alkylsulfonyl, alkylaminocarbonyl, dialkylaminocarbonyl, alkenyl, alkenylcarbonyl, alkenylsulfonyl, alkinyl, alkinylcarbonyl, cycloalkyl, cycloalkylcarbonyl, cycloalkyla…