Substituted aryl sulphonyl(thio)ureas used as herbicides

Details Substituted aryl sulphonyl(thio)ureas used as herbicides Substituted aryl sulphonyl(thio)ureas used as herbicides

2005-01-04

2005-01-04

Raymond, Richard L. (Department: 1624)

Plant protecting and regulating compositions

Plant growth regulating compositions

Organic active compound containing

C504S215000, C504S243000, C544S331000, C544S332000, C544S323000, C544S324000, C544S320000, C544S321000

Reexamination Certificate

active

06838414

ABSTRACT:
The invention relates to novel substituted arylsulphonyl(thio)ureasin whichA represents nitrogen or a CH grouping,Q represents oxygen or sulphur,R1represents hydrogen, halogen or respectively optionally substituted alkyl, alkoxy, alkylthio, alkylamino, dialkylamino, cycloalkyl, cycloalkyloxy or heterocyclyloxy,R2represents hydrogen, halogen or respectively optionally substituted alkyl, alkoxy, alkylthio, alkylamino, dialkylamino, cycloalkyl, cycloalkyloxy or heterocyclyloxy,R3represents hydrogen or optionally substituted alkyl,R4represents respectively optionally substituted alkyl, alkoxy, alkenyl, alkinyl, alkenyloxy, alkinyloxy, cycloalkyl, cycloalkyloxy or cycloalkylalkyl, andR5represents hydrogen, formyl or respectively optionally substituted alkyl, alkylcarbonyl, alkoxycarbonyl, alkylsulphonyl, alkenyl, alkinyl, cycloalkyl, cycloalkylcarbonyl, cycloalkylsulphonyl or heterocyclyl,and to salts of compounds of the formula (I),except for the compound N-(4,6-dimethyl-pyrimidin-2-yl)-N′-[2-(1,1,2,2-tetrafluoro-ethoxy)-6-methyl-phenylsulphonyl]-urea,to processes for preparing the novel compounds and to their use as herbicides.

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Chemical Abstracts, vol. 124, No. 15, Apr. 9, 1996, abstract No. 196428, Sung, Nack-Do et al., “Herbicidal activity and persistency in aquenous solution of ortho- disubstituted benzenesulfonylurea derivatives”.

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