intermediates of formula:-
wherein Q is selected from carbon bearing a hydrogen atom and nitrogen; Z represents one or more substituents selected from fluoro, benzyl, phenoxy, chlorophenoxy, fluorophenoxy and bromophenoxy, and R4 is selected from hydroxy, bromo, chloro and iodo, or R4 is selected from a group of formula:-- P(R)3
and a group of formula:-
wherein R represents alkyl or aryl. The intermediates of the invention are useful in the preparation of insecticidal compoumds.
Diphenyl ether derivatives and their use as insecticides
申请人:Imperial Chemical Industries PLC
公开号:US04791139A1
公开(公告)日:1988-12-13
A compound of formula: ##STR1## wherein W represents one or more substituents selected from halo, alkyl, alkoxy, alkoxyalkyl, haloalkyl and haloalkoxy or W represents a bidentate group linking adjacent carbon atoms selected from alkylene and alkylenedioxy; Y is a group of formula ##STR2## wherein X is a group of formula --(CF.sub.2).sub.n R.sup.3, where R.sup.3 is selected from hydrogen, chloro and fluoro, and n is one or two, R.sup.1 is selected from hydrogen, chloro, fluoro and hydroxy and R.sup.2 is selected from methyl, cyano, ethynyl and hydrogen; Q is selected from carbon bearing a hydrogen atom and nitrogen; and Z represents one or more substituents selected from fluoro, benzyl, phenoxy, chlorophenoxy, fluorophenoxy and bromophenoxy, or any isomer thereof. Processes for preparing these compounds and intermediates for use therein, insecticidal compositions containing these compounds and the use thereof are also disclosed.