申请人:FMC Corporation
公开号:US05008277A1
公开(公告)日:1991-04-16
N-[(Alpha-perhaloalkylbenzyloxy)pyridyl]-N'-benzoylurea compounds of the following structural formula are useful insecticides: ##STR1## in which R.sub.A is selected from the group consisting of -hydrogen, -halogen, -lower alkyl, -lower alkoxy, -benzyl, and -benzyloxy; R.sub.B is selected from -hydrogen and -halogen; R.sub.C and R.sub.D are both -hydrogen or together constitute a --COCO-- bridge; R is a perhaloalkyl substitutent; R.sub.3 is selected from the group consisting of -hydrogen, -halogen and -phenylthio; R.sub.4 is selected from the group consisting of -hydrogen, -halogen, -lower alkyl, -lower alkoxy, -lower alkoxyalkyl, -lower haloalkoxy, -lower alkylthio, -lower alkylsulfonyl, and -diallylamino; or R.sub.3 and R.sub.4 at adjacent ring positions constitute a --OCH.sub.2 O--, --CH.sub.2 C(CH.sub.3).sub.2 O--, or --CF.sub.2 CF.sub.2 O-- bridge; and R.sub.5 is --hydrogen or -lower alkyl.
以下结构式的N-[(Alpha-perhaloalkylbenzyloxy)pyridyl]-N'-benzoyl脲化合物是有用的杀虫剂:##STR1## 其中,R.sub.A从以下组中选择:-氢,-卤素,-较低烷基,-较低烷氧基,-苯甲基和-苯甲氧基;R.sub.B从-氢和-卤素中选择;R.sub.C和R.sub.D都是-氢或共同构成--COCO--桥;R是一种perhaloalkyl取代基;R.sub.3从以下组中选择:-氢,-卤素和-苯基硫;R.sub.4从以下组中选择:-氢,-卤素,-较低烷基,-较低烷氧基,-较低烷氧基烷基,-较低卤代烷氧基,-较低烷基硫基,-较低烷基磺酰基和-二烯丙基氨基;或相邻环位上的R.sub.3和R.sub.4构成--OCH.sub.2 O--、--CH.sub.2 C(CH.sub.3).sub.2 O--或--CF.sub.2 CF.sub.2 O--桥;R.sub.5是--氢或-较低烷基。