Novel pyridazine derivatives

Details Novel pyridazine derivatives Novel pyridazine derivatives

C - Chemistry, Metallurgy

07

D

C07D 401/04 (2006.01) A01N 43/58 (2006.01) C07D 403/04 (2006.01) C07D 405/04 (2006.01) C07D 407/04 (2006.01) C07D 409/04 (2006.01) C07D 413/04 (2006.01) C07D 417/04 (2006.01)

Patent

CA 2657850

The present invention relates to novel pyridazine derivatives of formula I as active ingredients which have microbiocidal activity, in particular fungicidal activity: wherein R1 is hydrogen, C1-C6alkyl, C1-C6haloalkyl or C3-C6cycloalkyl; R2 is an optionally substituted heteroaryl; R3 is an optionally substituted aryl; and R4 is hydrogen, halogen, C1-C6alkyl, C1-C6haloalkyl, C1-C6alkoxy, (VCehaloalkoxy, hydroxy or cyano; or an agrochemically usable salt form thereof.

La présente invention concerne de nouveaux dérivés de pyridazine représentés par la formule I, en tant qu'ingrédients actifs qui ont une activité microbiocide, en particulier une activité fongicide : où R1 représente l'hydrogène, l'alkyle en C1-C6, l'haloalkyle en C1-C6 ou le cycloalkyle en C3-C6; R2 représente un hétéroaryle facultativement substitué; R3 représente un aryle facultativement substitué; et R4 représente l'hydrogène, l'halogène, l'alkyle en C1-C6, l'haloalkyle en C1-C6, l'alcoxy en C1-C6, l'haloalcoxy, l'hydroxy ou le cyano. L'invention concerne également une forme saline de ces nouveaux dérivés utilisable en agrochimie.

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