申请人:Syngenta Participations AG
公开号:EP1916240A1
公开(公告)日:2008-04-30
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-C6cydoalkyl;
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, optionally substituted arylsulfonyl, optionally substituted aryloxy, optionally substituted heteroaryloxy, optionally substituted arylthio, optionally substituted hoteroarylthio, or
R2 together with an adjacent carbon atom forms a fused aromatic carbocyclic ring, a fused non aromatic carbocyclic ring, a fused aromatic heterocyclic ring or a fused non aromatic heterocyclic ring;
R3 is an optionally substituted aryl;
R4 is hydrogen, halogen, C1-C6alkyl, C1-C6haloalkyl, C1-C6alkoxy, C1-C6haloalkoxy, hydroxy or cyano; and
n is a whole number from 1 to 4.
本发明涉及一种新的吡嗪衍生物,其化学式为I,作为具有微生物杀菌活性,特别是真菌杀菌活性的活性成分:
其中,R1为氢、C1-C6烷基、C1-C6卤代烷基或C3-C6环烷基;R2为环烷基、环烷基烷基、卤代环烷基、环烷氧基、卤代环烷氧基、环烷基氧基烷基、卤代环烷基氧基烷基、烷氧基烷基、环烷氧基烷基氧基烷基、卤代烷氧基烷基、三烷基硅基、烷硫基烷基、卤代烷硫基烷基、环烷硫基、卤代环烷基硫基、环烷基烷基硫基、卤代环烷基烷基硫基、烷基亚砜基烷基、烷基磺酰基烷基、烷基亚砜基、卤代烷基亚砜基、烷基磺酰基、卤代烷基磺酰基、可选地取代的芳基磺酰基、可选地取代的芳基氧基、可选地取代的杂环芳基氧基、可选地取代的芳基硫基、可选地取代的杂环芳基硫基,或R2与相邻的碳原子一起形成螺合芳香碳环、螺合非芳香碳环、螺合芳香杂环或螺合非芳香杂环;R3为可选地取代的芳基;R4为氢、卤素、C1-C6烷基、C1-C6卤代烷基、C1-C6烷氧基、C1-C6卤代烷氧基、羟基或氰基;n为1至4的整数。