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.
式的
中间体
其中 Q 选自含
氢原子的
碳和
氮;Z 代表一个或多个取代基,选自
氟、
苄基、
苯氧基、
氯苯氧基、
氟苯氧基和
溴苯氧基,R4 选自羟基、
溴基、
氯基和
碘基,或 R4 选自式基团:- P(R)3
和一个式组
其中 R 代表烷基或芳基。本发明的
中间体可用于制备杀虫化合物。