申请人:Chevron Research Company
公开号:US04478832A1
公开(公告)日:1984-10-23
O-(N-alkoxy-substituted-benzimidoyl)-phosphorus esters and thioesters and thioesters of the formula: ##STR1## wherein X is sulfur or oxygen; R.sub.1 is lower alkyl, lower alkynyl, or benzyl optionally substituted with 1 to 3 halogen atoms; R.sub.2 is lower alkyl, lower alkoxy or lower alkylthio; R.sub.3 is lower alkoxy, lower alkylthio, lower alkylamino or phenyl; and R.sub.4 is hydrogen, cyano, trifluoromethyl, halogen, carboxyalkyl or nitro, and Z is hydrogen, cyano, trifluoromethyl, carboxyalkyl, nitro, S(O).sub.n R.sub.5 or SO.sub.2 NR.sub.6 R.sub.7 where n is 1 or 2, R.sub.5 is lower alkyl and R.sub.6 and R.sub.7 are independently hydrogen or lower alkyl; provided that when R.sub.1 is lower alkyl and R.sub.3 is alkoxy, then R.sub.4 and Z are not both hydrogen or if R.sub.4 is hydrogen, Z is not nitro; and provided further that if R.sub.1 is lower alkyl, R.sub.2 is alkyl or alkoxy and R.sub.3 is alkoxy, then if Z is hydrogen or nitro, R.sub.4 is not nitro or halogen, are insecticidal.
O-(N-烷氧基取代苯并咪唑基)-磷酸酯和硫酯以及下式的硫酯:其中X为硫或氧;R.sub.1为低碳基、低炔基或苄基,可选地取代为1至3个卤原子;R.sub.2为低碳基、低氧烷基或低硫烷基;R.sub.3为低氧烷基、低硫烷基、低氨基烷基或苯基;R.sub.4为氢、氰基、三氟甲基、卤素、羧基烷基或硝基,Z为氢、氰基、三氟甲基、羧基烷基、硝基、S(O).sub.n R.sub.5或SO.sub.2 NR.sub.6 R.sub.7,其中n为1或2,R.sub.5为低烷基,R.sub.6和R.sub.7独立地为氢或低烷基;但是当R.sub.1为低碳基且R.sub.3为烷氧基时,那么R.sub.4和Z不能同时为氢,或者如果R.sub.4为氢,则Z不能为硝基;而且如果R.sub.1为低碳基,R.sub.2为烷基或氧烷基,R.sub.3为烷氧基时,如果Z为氢或硝基,则R.sub.4不能为硝基或卤素,具有杀虫作用。