Substituted thienyl(amino)sulphonyl(thio)ureas as herbicides

C - Chemistry – Metallurgy – 07 – D

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C07D 409/12 (2006.01) A01N 47/36 (2006.01)

Patent

CA 2274079

The invention concerns novel substituted thienyl(amino)sulphonyl(thio)ureas of formula (I), in which A stands for nitrogen or a CH group; E stands for a single bond or an NH group; Q stands for oxygen or sulphur; R1 and R2, independently of each other, stand for hydrogen, halogen or in each case optionally substituted alkyl, alkoxy, alkylthio. alkylamino, dialkylamino, cycloalkyl, cycloalkyloxy, aryloxy or heterocyclyloxy; R3 stands for hydrogen or optionally substituted alkyl; R4 and R5 independently of each other. stand for cyano. halogen or in each case optionally substituted alkyl. alkoxy, alkenyl. alkenyloxy, alkinyl or alkinyloxy; and R6 stands for hydrogen, cyano, halogen or in each case optionally substituted alkyl. alkoxy, alkenyl, alkenyloxy, alkinyl or alkinyloxy. The invention further concerns salts of compounds of formula (I), a process for preparing the novel compounds and their use as herbicides.

L'invention concerne de nouvelles thiényl(amino)sulfonyl(thio)urées de la formule (I) dans laquelle A désigne azote ou un groupement CH, E désigne une liaison simple ou un groupement NH, Q désigne oxygène ou soufre, R<1> et R<2> désignent indépendamment l'un de l'autre hydrogène, halogène ou alkyle, alcoxy, alkylthio, alkylamino, dialkylamino, cycloalkyle, cycloalkyloxy, aryloxy ou hétérocyclyloxy éventuellement substitué dans chacun des cas, R<3> désigne hydrogène ou alkyle éventuellement substitué, R<4> et R<5> désignent indépendamment l'un de l'autre cyano, halogène ou alkyle éventuellement substitué, alcoxy, alkényle, alkényloxy, alkinyle ou alkinyloxy, et R<6> désigne hydrogène, cyano, halogène ou alkyle, alcoxy, alkényle, alkényloxy, alkinyle ou alkinyloxy éventuellement substitué dans chacun des cas. L'invention concerne également des sels des composés de la formule (I), des procédés permettant de préparer ces nouveaux composés et leur utilisation comme herbicides.

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