Pyridazine derivatives

Details Pyridazine derivatives Pyridazine derivatives

C - Chemistry, Metallurgy

07

D

C07D 237/08 (2006.01) C07D 237/04 (2006.01) C07D 237/12 (2006.01) C07D 237/14 (2006.01) C07D 237/18 (2006.01) C07D 307/60 (2006.01) C07D 401/04 (2006.01) C07D 401/12 (2006.01) C07D 403/04 (2006.01) C07D 405/04 (2006.01) C07D 409/04 (2006.01) C07D 409/12 (2006.01) C07D 413/04 (2006.01) C07D 417/04 (2006.01)

Patent

CA 2667235

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-C8haloalkyl or C3-C6cycloalkyl; R2 is cycloalkyl, cycloalkylalkyl, halocycloalkyl, cycloalkoxy, halocycloalkoxy, cycloalkylalkoxy, halocycloalkylalkoxy, alkoxyalkyl, cycloalkoxyalkoxyalkyl, haloalkoxyalkyl, trialkylsilyl, alkylthioalkyl, haloalkylthioalkyl, cycloalkylthio, halocycloalkylthio, cycloalkylalkylthio, halocycloalkylalkylthio, alkylsulfinylalkyl, alkylsulfonylalkyl, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl, haloalkylsulfonyl, C2-C6alkenyl, C2-C6alkynyl, optionally substituted arylsulfonyl, optionally substituted aryloxy, optionally substituted heteroaryloxy, optionally substituted arylthio, optionally substituted heteroarylthio; or R2 together with an adjacent carbon atom forms an optionally substituted fused ring; R3 is an optionally substituted aryl; R4 is hydrogen, halogen, C1-C6alkyl, C1-C6haloalkyl, C1-C8alkoxy, C1-C6haloalkoxy, hydroxy or cyano; and n is a whole number from 1 to 4; or an agrochemically usable salt form thereof.

Cette invention concerne des nouveaux dérivés de pyridazine représentés par la formule I en tant que principes actifs ayant une activité microbiocide, en particulier, une activité fongicide: dans cette formule, R1 représente hydrogène, alkyle C1-C6, haloalkyle C1-C8 ou cycloalkyle C3-C6; R2 représente cycloalkyle, cycloalkylalkyle, halocycloalkyle, cycloalkoxy, halocycloalkoxy, cycloalkylalkoxy, halocycloalkylalkoxy, alkoxyalkyle, cycloalkoxyalkoxyalkyle, haloalkoxyalkyle, trialkylsilyle, alkylthioalkyle, haloalkylthioalkyle, cycloalkylthio, halocycloalkylthio, cycloalkylalkylthio, halocycloalkylalkylthio, alkylsulfinylalkyle, alkylsulfonylalkyle, alkylsulfinyle, haloalkylsulfinyle, alkylsulfonyle, haloalkylsulfonyle, alcényle C2-C6, alcynyle C2-C6, arylsulfonyle éventuellement substitué, aryloxy éventuellement substitué, hétéroaryloxy éventuellement substitué, arylthio éventuellement substitué, hétéroarylthio éventuellement substitué; ou R2 conjointement avec un atome de carbone forment un cycle fusionné éventuellement substitué; R3 représente un aryle éventuellement substitué; R4 représente hydrogène, halogène, alkyle C1-C6, haloalkyle C1-C6, alkoxy C1-C8, haloalkoxy C1-C6, hydroxy ou cyano; et n représente un nombre entier compris entre 1 et 4; ou une forme saline de ceux-ci utilisable dans l'industrie agrochimique.

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