申请人:Ciba-Geigy Corporation
公开号:US05192803A1
公开(公告)日:1993-03-09
Novel substituted 2-phenoxyphenoxyethylcarbamic esters of the formula I ##STR1## where R.sub.1 is C.sub.1 -C.sub.4 alkyl or C.sub.3 -C.sub.4 alkenyl, R.sub.2 is C.sub.1 -C.sub.4 alkyl or a radical of the formula ##STR2## --C(CH.sub.3).sub.2 --CN or --N(R.sub.9)--COO--C.sub.1 -C.sub.4 alkyl, R.sub.3 and R.sub.4 independently of one another are hydrogen or methyl, R.sub.5 is fluorine or chlorine, R.sub.6 is either identical to the substituents given in the case of R.sub.5 or is hydrogen, R.sub.7 and R.sub.8 independently of one another are hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or nitro, R.sub.9 is C.sub.1 -C.sub.4 alkyl and n is zero, one or two, their preparation, their use in pest control, and pesticides containing these carbamic esters as active substance, are described. The preferred field of application is the control of pests on animals and plants, in partcular of eggs and larvae of phytophagous harmful insects and harmful mites.
本发明涉及式I的新型取代的2-苯氧基苯氧基乙基氨基甲酸酯,其中R.sub.1是C.sub.1-C.sub.4烷基或C.sub.3-C.sub.4烯基,R.sub.2是C.sub.1-C.sub.4烷基或公式的基团:--C(CH.sub.3).sub.2--CN或--N(R.sub.9)--COO--C.sub.1-C.sub.4烷基,R.sub.3和R.sub.4分别独立地是氢或甲基,R.sub.5是氟或氯,R.sub.6要么与R.sub.5中给出的取代基相同,要么是氢,R.sub.7和R.sub.8独立地是氢,卤素,C.sub.1-C.sub.4烷基,C.sub.1-C.sub.4烷氧基或硝基,R.sub.9是C.sub.1-C.sub.4烷基,n为零,一或二。本发明还涉及这些氨基甲酸酯的制备方法,它们在害虫控制中的使用以及含有这些氨基甲酸酯作为活性成分的杀虫剂。首选的应用领域是在动植物上控制害虫,特别是植食性有害昆虫和有害螨的卵和幼虫。