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

C - Chemistry, Metallurgy

07

D

C07D 251/12 (2006.01) A01N 47/36 (2006.01) A01P 13/00 (2006.01) C07D 239/42 (2006.01) C07D 239/46 (2006.01) C07D 239/52 (2006.01) C07D 251/16 (2006.01) C07D 251/46 (2006.01) C07D 405/12 (2006.01) C07D 405/14 (2006.01) C07D 521/00 (2006.01)

Patent

CA 2248068

The invention relates to novel substituted arylsulphonyl(thio)ureas (see formula I) in which A ~represents nitrogen or a CH grouping, Q ~represents oxygen or sulphur, R1 ~represents hydrogen, halogen or respectively optionally substituted alkyl, alkoxy, alkylthio, alkylamino, dialkylamino, cycloalkyl, cycloalkyloxy or hetero- cyclyloxy, R2 ~represents hydrogen, halogen or respectively optionally substituted alkyl, alkoxy, alkylthio, alkylamino, dialkylamino, cycloalkyl, cycloalkyloxy or hetero- cyclyloxy, R3 ~represents hydrogen or optionally substituted alkyl, R4 ~represents respectively optionally substituted alkyl, alkoxy, alkenyl, alkinyl, alkenyloxy, alkinyloxy, cycloalkyl, cycloalkyloxy or cycloalkylalkyl, and R5 ~represents hydrogen, formyl or respectively optionally substituted alkyl, alkyl- carbonyl, alkoxycarbonyl, alkylsulphonyl, alkenyl, alkinyl, cycloalkyl, cyclo- alkylcarbonyl, 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.

L'invention concerne de nouvelles arylsulfonyl(thio)urées substituées de formule (I) et leurs sels. Dans la formule, A désigne azote ou un groupe CH; Q désigne oxygène ou soufre; R<1> désigne hydrogène, halogène ou l'un des radicaux suivants éventuellement substitués: alkyle, alcoxy, alkylthio, alkylamino, dialkylamino, cycloalkyle, cycloalkyloxy ou hétérocyclyloxy; R<2> désigne hydrogène, halogène ou l'un des radicaux suivants éventuellement substitués: alkyle, alcoxy, alkylthio, alkylamino, dialkylamino, cycloalkyle, cycloalkyloxy ou hétérocyclyloxy; R<3> désigne hydrogène ou alkyle le cas échéant substitué; R<4> désigne alkyle, alcoxy, alcényle, alcinyle, alcényloxy, alcinyloxy, cycloalkyle, cycloalkyloxy ou cycloalkylalkyle le cas échéant substitués; et R<5> désigne hydrogène, formyle ou l'un des radicaux suivants: alkyle, alkylcarbonyle, alcoxycarbonyle, alkylsulfonyle, alcényle, alcinyle, cycloalkyle, cycloalkylcarbonyle, cycloalkylsulfonyle ou hétérocyclyle. Le composé N-(4,6-diméthyl-pyrimidin-2yl)-N'-(2-(1,1,2,2-tétrafluoréthoxy)-6-méthyl-phénylsulfonyl)-urée est exclu. L'invention concerne également des procédés de préparation de ces nouveaux composés et leur utilisation comme herbicides.

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