A compound of formula II
in which formula:
RA represents a group ArCR1R2 - in which Ar represents a phenyl or naphthyl group optionally substituted by one or more halogen, alkoxy, haloalkoxy, methylenedioxy or C1-C6 alkyl or haloalkyl groups;
R1 and R2 together with the carbon to which they are attached jointly represent a C3-C6 cycloalkyl group optionally substituted by one or more halogen atoms or C1-C6 cycloalkyl groups and
RB represents the residue of an alcohol RBCHDOH in which D is hydrogen or cyano and of which the [IR, cis]2,2--dimethyl-3-(2,2-dibromovinyl)cyclopropane carboxylic ester is significantly insecticidal.
一种式 II 的化合物
式中
RA 代表基团 ArCR1R2,其中 Ar 代表任选被一个或多个卤素、烷氧基、卤代烷氧基、亚甲基二氧基或 C1-C6 烷基或卤代烷基取代的苯基或
萘基;
R1 和 R2 连同它们所连接的碳共同代表一个 C3-C6 环烷基,可选择被一个或多个卤素原子或 C1-C6 环烷基取代,以及
RB 代表醇 RBCHDOH 的残基,其中 D 为氢或
氰基,其[IR,顺式]2,2-二甲基-3-(2,2-二
溴乙烯基)
环丙烷羧酸酯具有显著的杀虫作用。