Pyrazole-4-yl-hetaroyl derivatives

Details Pyrazole-4-yl-hetaroyl derivatives Pyrazole-4-yl-hetaroyl derivatives

C - Chemistry, Metallurgy

07

D

C07D 411/06 (2006.01) A01N 43/56 (2006.01) C07D 409/06 (2006.01)

Patent

CA 2247203

The invention concerns pyrazolylhetaroyl derivatives of formula (I) in which the substituents have the following meanings: L, M are hydrogen, C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkinyl, C1-C4 alkoxy, wherein these groups can optionally be substituted by between one and five halogen atoms or C1-C4 alkoxy; halogen, cyano, nitro; X is oxygen or sulphur which can be substituted by one or two oxygens; n is zero, one, two; and Q, R1, R2, R3, R4 have the meanings given in claim 1. The invention further concerns a process for preparing the pyrazole-4-yl-hetaroyl derivatives, agents containing the latter, and the use of these derivatives or agents containing them for weed control.

L'invention concerne des dérivés de pyrazolylhétaroyle de la formule (I) dans laquelle les substituants ont la notation suivante: L, M désignent hydrogène, alkyle C¿1?-C¿6?, alkényle C¿2?-C¿6?, alkinyle C¿2?-C¿6?, alcoxy C¿1?-C¿4?, ces groupes pouvant être substitués par un à cinq atomes d'halogène ou alcoxy C¿1?-C¿4?; halogène, cyano, nitro; X désigne oxygène ou soufre pouvant être substitué par un ou deux oxygènes; n vaut zéro, un, deux; Q, R?1¿, R?2¿, R?3¿, R?4¿ ont la notation mentionnée dans la description. L'invention concerne en outre un procédé de préparation de dérivés de pyrazole-4-yle-hétaroyle, des agents les contenant, ainsi que l'utilisation de ces dérivés ou d'agents les contenant pour lutter contre les mauvaises herbes.

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