Substituted 2-benz(o)ylpyridines, their preparation and their use as herbicides

US6337305B1 · kind B1 · utility

Assignee

• BASF SE

Inventors

• Peter Schafer · Ottersheim, DE
• Gerhard Hamprecht · Weinheim, DE
• Markus Menges · Bensheim, DE
• Olaf Menke · Altleiningen, DE
• Michael Rack · Eppelheim, DE
• Cyrill Zagar · Ludwigshafen, DE
• Karl-Otto Westphalen · Speyer, DE
• Ulf Misslitz · Neustadt, DE
• Helmut Walter · Obrigheim, DE

Key dates

• Filing date: Sep 15, 1999
• Grant date: Jan 8, 2002
• Expiry date: Sep 15, 2019

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A01N43/40
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Substituted 2-benz(o)ylpyridines I and salts thereof wheren=0, 1;X=CO, CH2, CH(C1-C4-alkyl), CH—OH, CH—CN, CH-halogen, C(halogen)2, CH—CONH2, CH—CO—O(C1-C4-alkyl), CH—O(C1-C4-alkyl), C(CN)(C1-C4-alkyl);R1=halogen, C1-C4-haloalkyl, C1-C4-alkylthio, C1-C4-alkylsulfinyl, C1-C4-alkylsulfonyl;R2=H, halogen;R3=H, NO2, OH, halogen, C1-C4-alkoxy;R4=H, NO2, OH, halogen, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy;R5=H, NO2, CN, halogen, C1-C8-alkyl, C3-C8-alkenyl, C3-C8-alkynyl, C3-C8-cycloalkyl, C1-C8-haloalkyl, C2-C8-haloalkenyl, C2-C8-haloalkinyl, C1-C4-alkoxy-C1-C4-alkyl, C2-C4-alkenyloxy-C1-C4-alkyl, C2-C4-alkynyloxy-C1-C4-alkyl, C1-C4-alkylthio-C1-C4-alkyl, C1-C4-alkylsulfinyl-C1-C4-alkyl, C1-C4-alkylsulfonyl-C1-C4-alkyl, cyano-C1-C8-alkyl, cyano-C2-C8-alkenyl, cyano-C3-C8-alkynyl, unsubstituted or substituted OH, SH, SO—H, —SO2—H, COOH or NH—COOH, —SO2Cl, —N(R9,R10), —NH—SO2—(C1-C8-alkyl), —N[—SO2—(C1-C8-alkyl)]2, —N(C1-C8-alkyl)[—SO2—(C1-C8-alkyl)], —SO2—N(R9,R10), —O—CO—NH—R9, unsubstituted or substituted CHO, —O&#821…