4-hetaroylpyrazol derivatives and the use thereof as herbicides

Details 4-hetaroylpyrazol derivatives and the use thereof as herbicides 4-hetaroylpyrazol derivatives and the use thereof as herbicides

C - Chemistry, Metallurgy

07

D

C07D 401/06 (2006.01) A01N 43/42 (2006.01) A01N 43/56 (2006.01)

Patent

CA 2266450

Hetaroyl derivatives having the formula (I) are disclosed, as well as their salts useful in agriculture. In the formula, the variables have the following meanings: R1, R2 are hydrogen, nitro, halogen, cyano, rhodano, hydroxy, mercapto, optionally substituted and/or functionalised C1-C6 alkyl, C1-C6 alkoxy, C1-C6 alkylthio, C1-C6 alkylsulfinyl, C1-C6 alkylsulfonyl, C1-C6 alkoxysulfonyl, or optionally substituted phenyl, phenoxy, phenylthio, phenylsulfinyl or phenylsulfonyl; Z is an optionally substituted, 4-membered, unsaturated, partially or completely saturated chain with three carbon atoms and one nitrogen atom; and Q is optionally substituted hydroxypyrazol of Formula (II) linked at position 4 in addition to the salts thereof which can be used in agriculture. Also disclosed is a process for preparing the hetaroyl derivatives, agents containing the same, as well as the use of these derivatives or the agents containing the same for controlling undesirable plants.

L'invention concerne des dérivés d'hétaroyle de formule (I) dans laquelle les variables ont la signification suivante: R?1¿, R?2¿ représentent hydrogène, nitro, halogène, cyano, rhodano, hydroxy, mercapto, alkyle C¿1?-C¿6?, alcoxy C¿1?-C¿6?, alkylthio C¿1?-C¿6?, alkylsulfinyle C¿1?-C¿6?, alkylsulfonyle C¿1?-C¿6?, alcoxysulfonyle C¿1?-C¿6?, les 6 derniers restes cités pouvant être éventuellement substitués et/ou fonctionnalisés, phényle, phénoxy, phénylthio, phénylsulfinyle ou phénylsulfonyle, les 5 derniers restes cités pouvant être éventuellement substitués; Z désigne une chaîne tétragonale insaturée, partiellement ou totalement saturée et éventuellement substituée, constituée de trois atomes de carbone et d'un atome d'azote; Q désigne un hydroxypyrazole lié en position 4, éventuellement substitué. L'invention concerne également les sels à usage agricole de ces dérivés, leur procédé de préparation, des agents les contenant, ainsi que l'utilisation de ces dérivés ou de ces agents pour lutter contre les végétaux indésirables.

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