4-piridinylmethylsulphonamide derivatives as fungicidal...

C - Chemistry – Metallurgy – 07 – D

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C07D 213/42 (2006.01)

Patent

CA 2537486

The invention relates to sulphonamides of formula (I) in which the substituents have the following meanings: R1 = H, alkyl, alkoxy, alkenyl or alkinyl and R2, R3, R4, R5 = hydrogen, halogen, alkyl, alkoxy or halomethyl; R2 and R3 can also together form a phenyl, cyclopentyl, or cyclohexyl ring, whereby said ring can carry R2' and R3', where R2', R3' = H, halogen, alkyl, alkoxy or halomethyl; in the case a), when R2, R3, R4 and R5 = H, X = phenyl, substituted with a group -C(R6)=NOR7, where R6= alkyl and R7 = alkyl, benzyl, alkenyl, haloalkyl, haloalkenyl, alkinyl or haloalkinyl and in case b), when at least one of the groups R2, R3, R4 and R5 is not H, X = phenyl, naphthyl or a five- or six-membered saturated, partially unsaturated, or aromatic heterocycle, bonded by means of a C atom, comprising one to four heteroatoms from the group O, N or S, where X can be substituted as per the description. The invention further relates to methods for production of said compounds, agents comprising the same and use thereof for the control of fungal pests which are pathogenic to plants.

La présente invention concerne des sulfonamides de formule (I), dans laquelle les substituants ont les significations suivantes: R?1¿ hydrogène, alkyle, alkoxy, alcényle ou alcinyle; et R?2¿, R?3¿, R?4¿, R?5¿ hydrogène, halogène, alkyle, alkoxy ou halogénométhyle; R?2¿ et R?3¿ peuvent également former conjointement un noyau phényle, cyclopentyle ou cyclohexyle, ces noyaux pouvant porter deux groupes R?2'¿ et R?3'¿, R?2'¿, R?3'¿ hydrogène, halogène, alkyle, alkoxy ou halogénométhyle; dans le cas a) où R?2¿, R?3¿, R?4¿ et R?5¿ représentent hydrogène: X phényle substitué par un groupe -C(R?6¿)=NOR?7¿, avec R?6¿ alkyle et R?7¿ alkyle, benzyle, alcényle, halogénoalkyle, halogénoalcényle, alcinyle ou halogénoalcinyle; et dans le cas b) où au moins un des groupes R?2¿, R?3¿, R?4¿ et R?5¿ ne représente pas hydrogène: X phényle, naphtyle ou un hétérocycle à cinq ou six éléments, lié par un atome de C, saturé, partiellement insaturé ou aromatique, qui contient de un à quatre hétéroatomes choisis parmi O, N ou S, X pouvant être substitué conformément à la description. La présente invention concerne également des procédés pour produire ces composés, des agents contenant ces composés, ainsi que leur utilisation pour lutter contre des champignons phytopathogènes.

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