申请人:Imperial Chemical Industries PLC
公开号:US05079251A1
公开(公告)日:1992-01-07
Pyrazinone derivatives useful as insecticides have the formula (I): ##STR1## wherein A is N or C-R.sup.1 ; R.sup.1 and R.sup.2 are independently selected from hydrogen, halogen, haloalkyl, cyano or nitro; R.sup.3 and R.sup.4 are independently selected from hydrogen, halogen, alkyl or cycloalkyl; R.sup.5 is cyano, halo, nitro, alkoxy, haloalkyl, haloalkoxy or --S(O).sub.n R.sup.10 ; R.sup.6 is halo, cyano, nitro, haloalkyl, haloalkoxy, alkoxycarbonyl or --S(O).sub.n R.sup.10 ; R.sup.7 is hydrogen, halogen, cyano, nitro, alkyl, alkoxy, alkylthio, haloalkylthio, alkoxycarbonyl, NR.sup.11 R.sup.12 or haloalkyl; R.sup.8 is H, halo, NR.sup.11 R.sup.12, alkyl, cycloalkyl or S(O).sub.n R.sup.10 ; and R.sup.9 is oxygen or sulphur; where n is 0, 1 or 2; and R.sup.10 is alkyl, haloalkyl or cycloalkyl and R.sup.11 and R.sup.12 are independently selected from hydrogen, alkyl, cycloalkyl, benzyl or substituted benzyl.
具有杀虫剂用途的吡唑酮衍生物的化学式(I)如下:##STR1## 其中,A是N或C-R.sup.1;R.sup.1和R.sup.2分别选自氢、卤素、卤代烷基、氰或硝基;R.sup.3和R.sup.4分别选自氢、卤素、烷基或环烷基;R.sup.5是氰基、卤素、硝基、烷氧基、卤代烷基氧基、卤代烷氧基或--S(O).sub.nR.sup.10;R.sup.6是卤素、氰基、硝基、卤代烷基、卤代烷氧基、烷氧羰基或--S(O).sub.nR.sup.10;R.sup.7是氢、卤素、氰基、硝基、烷基、烷氧基、烷基硫基、卤代烷基硫基、烷氧羰基、NR.sup.11R.sup.12或卤代烷基;R.sup.8是H、卤素、NR.sup.11R.sup.12、烷基、环烷基或S(O).sub.nR.sup.10;R.sup.9是氧或硫;其中n为0、1或2;R.sup.10是烷基、卤代烷基或环烷基,R.sup.11和R.sup.12分别选自氢、烷基、环烷基、苄基或取代苄基。