申请人:BRITISH TECHNOLOGY GROUP LIMITED
公开号:EP0155819A2
公开(公告)日:1985-09-25
A compound of formula I
in which formula:
Ra represents hydrogen or a C1-C6 alkyl group, and Rc represents a C1-C6 alkyl group;
Rb represents a phenyl group, optionally substituted by a C1-C6 alkyl group or halogen, a group of formula -CH=CRdR. in which Rd and R., which may be identical or different represent hydrogen or C1-C6 alkyl groups or a group of formula -CH=NORf in which Rf represents hydrogen or a C1-C6 alkyl group and
RCOO represents a residue of an acid RCO2H, which acid, or an ester-forming derivative of which acid, on reaction with a-cyano-3-phenoxybenzyl alcohol or an ester forming derivative thereof, give rise to an a-cyano-3-phenoxybenzyl ester having pesticidal properties.
一种式 I 的化合物
式中
Ra代表氢或C1-C6烷基,Rc代表C1-C6烷基;
Rb代表任选被C1-C6烷基或卤素取代的苯基、式-CH=CRdR.的基团(其中Rd和R.可以相同或不同,代表氢或C1-C6烷基)或式-CH=NORf的基团(其中Rf代表氢或C1-C6烷基),以及
RCOO 代表酸 RCO2H 的残基,该酸或其酯形成衍生物与 a-氰基-3-苯氧基苄醇或其酯形成衍生物反应后,生成具有杀虫特性的 a-氰基-3-苯氧基苄酯。