3-[Benz(ox/thi)azol-7-yl]-1h-pyrimidine-2,4-diones

US6624119B1 · kind B1 · utility

Assignee

• BASF SE

Inventors

• Robert Reinhard · Schifferstadt, DE
• Gerhard Hamprecht · Weinheim, DE
• Peter Schafer · Ottersheim, DE
• Cyrill Zagar · Ludwigshafen, DE
• Martina Otten · Ludwigshafen, DE
• Karl-Otto Westphalen · Speyer, DE
• Helmut Walter · Obrigheim, DE
• Olaf Menke · Altleiningen, DE

Key dates

• Filing date: May 3, 2001
• Grant date: Sep 23, 2003
• Expiry date: May 3, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D417/04
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to herbicidally effective 3-{benz(ox/thi)azol-7-yl}-1H-pyrimidine-2,4-diones of formula (I) wherein X=oxygen or sulphur, Y=oxygen or sulphur; Z=chemical bond, C1-C4-alkylene, O, S, SO, SO2; R1=H, NH2, C1-C6-alkyl, C1-C6-alkyl halide; R2=H, halogen, C1-C6-alkyl, C1-C6-alkyl halide, C1-C6-alkylthio, C1-C6-alkylsulfinyl or C1C6-alkylsulfonyl; R3=H, halogen, C1-C6-alkyl; R4=H, halogen; R5=CN, halogen, C1-C6-alkyl, C1-C6-alkyl halide, C1-C6-alkoxy or C1-C6-halogenalkoxy; R6=H, C3-C7-cycloalkyl containing a 3 to 7-membered saturated heterocyclyl and one or more oxygen and/or sulphur atoms, whereby each heterocyclic ring may contain a carbonyl or thiocarbonyl ring member. The invention also relates to the agriculturally usable salts of the compounds of formula (I).