Patent number: 6624119
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).
Type:
Grant
Filed:
May 3, 2001
Date of Patent:
September 23, 2003
Assignee:
BASF Aktiengesellschaft
Inventors:
Robert Reinhard, Gerhard Hamprecht, Peter Schäfer, Cyrill Zagar, Martina Otten, Karl-Otto Westphalen, Helmut Walter, Olaf Menke