esters of 3 - substituted 2,2 '- dimethyl - cyklopropankarboxylsyror and anvendning of these intermediate products for framstellning insecticidal efficacy of pyrethroids and active bestandsdel in insecticidal efficacy compositions

摘要

Insecticidal compounds of the formula: IMAGE wherein R11 is a straight or branched chain lower alkyl or 1-alkenyl or hydrogen; R and R12 are the same or different and are hydrogen, halogen, or straight or branched chained lower alkyl, or one of the moieties R and R12 is lower alkoxycarbonyl; the bonds represent alpha - and/or beta -configuration and the - bonds represent beta -configuration.