申请人:Ciba-Geigy Corporation
公开号:US05326901A1
公开(公告)日:1994-07-05
Novel 2-(2,2-difluorocyclopropyl)-acetic acid derivatives of formula I ##STR1## wherein A is oxygen or --NR.sub.1 --, B is C.sub.2 -C.sub.6 alkylene, D is oxygen, sulfur or --O--CH.sub.2 --, E is phenyl; phenyl substituted by from one to three substituents selected from the group halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.3 haloalkyl and C.sub.1 -C.sub.4 alkoxy; a five-membered aromatic heterocycle having from one to three hetero atoms selected from the group nitrogen, oxygen and sulfur, a five-membered aromatic heterocycle having from one to three hetero atoms selected from the group nitrogen, oxygen and sulfur that is substituted by one or two substituents selected from the group halogen, C.sub.1 -C.sub.4 alkyl and C.sub.1 -C.sub.3 -haloalkyl; a six-membered aromatic heterocycle having from one to three nitrogen atoms; or a six-membered aromatic heterocycle having from one to three nitrogen atoms that is substituted by one or two substituents selected from the group halogen, C.sub.1 -C.sub.4 alkyl and C.sub.1 -C.sub.3 haloalkyl, L is halogen or methyl, n is 0, 1 or 2, and R.sub.1 is hydrogen, C.sub.1 -C.sub.4 alkyl, phenylthio or tolylthio, can be used as pesticides. Especially insects and arachnids can be controlled.
式I中,A为氧原子或--NR.sub.1 --,B为C.sub.2 -C.sub.6烷基,D为氧原子、硫原子或--O--CH.sub.2 --,E为苯基;该苯基被选自卤素、C.sub.1 -C.sub.4烷基、C.sub.1 -C.sub.3卤代烷基和C.sub.1 -C.sub.4烷氧基的一到三个取代基所取代;一种五元芳香杂环,其具有从一到三个异原子,所选自氮、氧和硫的群;一种被选自卤素、C.sub.1 -C.sub.4烷基和C.sub.1 -C.sub.3-卤代烷基的一到两个取代基所取代的具有从一到三个异原子,所选自氮、氧和硫的群的五元芳香杂环;一种具有从一到三个氮原子的六元芳香杂环;或一种被选自卤素、C.sub.1 -C.sub.4烷基和C.sub.1 -C.sub.3卤代烷基的一到两个取代基所取代的具有从一到三个氮原子的六元芳香杂环,L为卤素或甲基,n为0、1或2,R.sub.1为氢、C.sub.1 -C.sub.4烷基、苯基硫或甲苯基硫,可用作杀虫剂。特别地,可控制昆虫和蜘蛛。