Triazolopyrimidine compounds and their use for controlling...

C - Chemistry – Metallurgy – 07 – D

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C07D 487/04 (2006.01) A01N 43/90 (2006.01)

Patent

CA 2570578

The invention relates to novel triazolopyrimidine compounds of general formula (I) wherein: X represents halogen, cyano, C1-C4 alkyl, C1-C4 alkyl halide, C1- C4 alkoxy or C1-C2 alkoxy halide; W represents oxygen or sulfur; Y represents O-R4 or a group NR5R6; A represents a chemical bond or a group CR7R8, and; variables L, R1 to R7 have the definitions cited in Claim 1. The invention also relates to the use of the triazolopyrimidine compounds of general formula (I), their tautomers and their agriculturally compatible salts for controlling plant-pathogenic fungi, and to a method for controlling plant-pathogenic fungi, which is characterized in that the fungi or the materials, plants, soil or seeds to be protected from fungal attack are treated with an effective amount of a compound of general formula (I), a tautomer (I) and/or with an agriculturally compatible salt of (I) or of the tautomer thereof.

L'invention concerne de nouveaux composés de triazolopyrimidine de formule générale (I) dans laquelle X désigne halogène, cyano, alkyle C1-C4, halogénure d'alkyle C1-C4, alcoxy C1-C4 ou halogénure d'alcoxy C1-C2; W désigne oxygène ou soufre; Y désigne O-R4 ou un groupe NR5R6; A désigne une liaison chimique ou un groupe CR7R8; et les variables L, R1 à R7 ont les significations mentionnées dans la revendication 1. L'invention concerne en outre l'utilisation des composés triazolopyrimidine de formule générale (I), de leurs tautomères et leurs sels compatibles sur le plan agricole, pour lutter contre des champignons phytopathogènes (= champignons nuisibles), ainsi qu'un procédé pour lutter contre des champignons phytopathogènes. Ledit procédé se caractérise en ce qu'il est prévu de traiter les champignons ou les matériaux à protéger de l'infestation par les champignons, comme les plantes, le sol ou les semences, avec une quantité efficace d'un composé de formule générale (I), un tautomère de (I) et/ou avec un sel compatible sur le plan agricole de (I) ou son tautomère.

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