Dihydrotriazolone derivatives as pesticides

C - Chemistry – Metallurgy – 07 – D

Patent

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C07D 249/12 (2006.01) A01N 43/653 (2006.01) C07D 401/12 (2006.01) C07D 403/12 (2006.01) C07D 405/12 (2006.01) C07D 409/12 (2006.01) C07D 413/12 (2006.01) C07D 417/12 (2006.01)

Patent

CA 2332589

Compounds of formula (1) wherein: Y signifies halogen, C1-C4-alkoxy, C1-C4- alkylthio or hydroxy; R1 signifies methyl, ethyl or cyclopropyl; R2 signifies C1-C6-alkyl or C1-C6-alkyl substituted by 1 to 5 fluorine atoms; R3 is C1-C6- alkyl, C1-C6-alkoxy, C3-C6-cycloalkyl, C3-C6-cycloalkoxy, C2-C6-alkenyl, C2-C6- alkenyloxy, C2-C6-alkinyl, C2-C6-alkinyloxy, C1-C6-alkoxycarbonyl or CN, whereby, with the exception or CN, the above-mentioned groups may be substituted by identical or different substituents; or R3 is aryl, heteroaryl, heterocyclyl, aryloxy, heteroaryloxy or heterocyclyloxy, whereby the above- mentioned groups may be substituted by identical or different substituents, R5 signifies hydrogen or methyl; have microbicidal, insecticidal and acaricidal activity and may be used to control insects and plant-pathogenic fungi in agriculture, horticulture and in the field of hygiene.

L'invention porte sur des composés de formule (1) dans laquelle: Y représente; halogène, C¿1?-C¿4?-alkoxy, C¿1?-C¿4?-alkylthio ou hydroxy; R¿1? représente méthyle, éthyle ou cyclopropyle; R¿2? représente C¿1?-C¿6?-alkyle, ou C¿1?-C¿6?-alkyle substitué par 1 à 5 atomes de fluor; R¿3? représente C¿1?-C¿6?-alkyle, C¿1?-C¿6?-alkoxy, C¿3?-C¿6?-cycloalkyle, C¿3?-C¿6?-cycloalkoxy, C¿2?-C¿6?-alcényle, C¿2?-C¿6?-alcényloxy, C¿2?-C¿6?-alcinyle, C¿2?-C¿6?-alcinyloxy, C¿1?-C¿6?-alkoxycarbonyle ou CN, les groupes sus-mentionnés, à l'exception de CN pouvant être substitués par des substituants identiques ou différents; ou bien R¿3? représente hétéroaryle, hétérocyclyle, aryloxy, hétéroaryloxy, ou hétérocyclyloxy, les groupes sus-mentionnés pouvant être substitués par des substituants identiques ou différents, R¿5? représente H ou méthyle. Lesdits composés ont une activité microbicide, insecticide et acaricide et peuvent servir au contrôle des insectes et des champignons pathogènes en agriculture, horticulture et dans le domaine de l'hygiène.

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