申请人:IMPERIAL CHEMICAL INDUSTRIES PLC
公开号:EP0408196A2
公开(公告)日:1991-01-16
Pyrazinone derivatives useful as insecticides have the formula (I) :
wherein A is N or C-R¹; R¹ and R² are independently selected from hydrogen, halogen, haloalkyl, cyano or nitro; R³ and R⁴ are independently selected from hydrogen, halogen, alkyl or cycloalkyl; R⁵ is cyano, halo, nitro, alkoxy, haloalkyl, haloalkoxy or -S(O)nR¹⁰; R⁶ is halo, cyano, nitro, haloalkyl, haloalkoxy, alkoxycarbonyl or -S(O)nR¹⁰; R⁷ is hydrogen, halogen, cyano, nitro, alkyl, alkoxy, alkylthio, haloalkylthio, alkoxycarbonyl, NR¹¹R¹² or haloalkyl; R⁸ is H, halo, NR¹¹R¹², alkyl, cycloalkyl or S(O)nR¹⁰; and R⁹ is oxygen or sulphur; where n is 0, 1 or 2; and R¹⁰ is alkyl, haloalkyl or cycloalkyl and R¹¹ and R¹² are independently selected from hydrogen, alkyl, cycloalkyl, benzyl or substituted benzyl.
可用作杀虫剂的吡嗪酮衍生物具有式 (I) :
其中 A 是 N 或 C-R¹;R¹ 和 R² 独立选自氢、卤素、卤代烷基、氰基或硝基;R³ 和 R⁴ 独立选自氢、卤素、烷基或环烷基;R⁵ 是氰基、卤素、硝基、烷氧基、卤代烷基、卤代烷氧基或 -S(O)nR¹⁰; R⁶ 是卤素、氰基、硝基、卤代烷基、卤代烷氧基、烷氧羰基或 -S(O)nR¹⁰;R⁷ 是氢、卤素、氰基、硝基、烷基、烷氧基、烷硫基、卤代烷硫基、烷氧基羰基、NR¹¹R¹² 或卤代烷基;R⁸ 是氢、卤素、NR¹¹R¹²、烷基、环烷基或 S(O)nR¹⁰ ;其中 n 为 0、1 或 2;R¹⁰ 为烷基、卤代烷基或环烷基,R¹ 和 R¹² 独立选自氢、烷基、环烷基、苄基或取代的苄基。