2-(pyridin-2-yl)-pyrimidines and their use for controlling...

C - Chemistry – Metallurgy – 07 – D

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C07D 401/04 (2006.01) A01N 43/54 (2006.01)

Patent

CA 2573366

The invention relates to 2-(pyridin-2-yl)-pyrimidine compounds of general formula (I) and their use for controlling pathogenic fungi and as plant protection products that, as an active constituent, contain compounds of this type, whereby: k represents 0, 1, 2, 3; m represents 0, 1, 2, 3, 4 or 5; n represents 1, 2, 3, 4 or 5; R1, independent of one another, represents halogen, OH, CN, NO2, C1-C4 alkyl, C1-C4 alkyl halide, C1-C4 alkoxy, C1-C4 alkoxy halide, C2-C4 alkenyl, C2-C4 alkynyl, C3-C8 cycloalkyl, C1-C4 alkoxy-C1- C4 alkyl, amino, phenoxy, which is optionally substituted by halogen or C1-C4 alkyl, NHR, NR2, C(Ra)=N-ORb, S(=O)pA1 or C(=O)A2, or two radicals R1 bound to adjacent carbon atoms can, together, also represent a group -O-Alk-O-, wherein Alk represents a linear or branched C1-C4 alkylene, and 1, 2, 3 or 4 hydrogen atoms can also be replaced by halogen; R2 represents C1-C4 alkyl halide, C1-C4 alkoxy, C1-C4 alkoxy halide, hydroxy, halogen, CN or NO2; whereby R2 can also represent hydrogen or C1-C4 alkyl when at least one of the three following conditions is fulfilled: n represents 3, 4 or 5; k represents 1, 2 or 3; if m is not equal to 0, at least one of the radicals R1 represents a radical that differs from halogen, C1-C4 alkyl, C1-C4 alkoxy and C1-C4 alkyl halide, and; R3 represents C1-C4 alkyl.

La présente invention concerne des composés de 2-(pyridin-2-yl)-pyrimidine de formule générale (I) et leur utilisation dans la lutte contre des champignons parasites ainsi que des produits phytosanitaires contenant ces composés comme constituant actif. Dans ladite formule, k représente 0, 1, 2 ou 3 ; m représente 0, 1, 2, 3, 4 ou 5 ; R1 signifie indépendamment halogène, OH, CN, NO2, alkyle en C1-C4, halogénure d'alkyle en C1-C4, alcoxy en C1-C4, halogénure d'alcoxy en C1-C4, alcényle en C2-C4, alcinyle en C2-C4, cycloalkyle en C3-C8, C1-C4-alcoxy-C1-C4-alkyle, amino, phénoxy, éventuellement substitué par halogène ou alkyle en C1-C4, NHR, NR2, C(Ra)=N-ORb, S(=O)<SB>P</SB>A1 ou C(=O)A2 ou deux groupes R1, liés à des atomes de carbone adjacents, peuvent également représenter ensemble un groupe -O-alc-O-, alc désignant alkylène en C1-C4 linéaire ou ramifié, 1, 2, 3 ou 4 atomes d'hydrogène pouvant également être substitués par halogène ; R2 désigne halogénure d'alkyle en C1-C4, alcoxy en C1-C4, halogénure d'alcoxy en C1-C4, hydroxy, halogène, CN ou NO2, R2 pouvant également désigner hydrogène ou alkyle en C1-C4, si au moins une des trois conditions suivantes est remplie : n = 3, 4 ou 5, k = 1, 2 ou 3, si m # 0 alors au moins un des groupes R1 désigne un groupe différent de halogène, alkyle en C1-C4, alcoxy en C1-C4 et halogénure d'alkyle en C1-C4, et R3 représente alkyle en C1-C4.

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