Insecticides

Details Insecticides Insecticides

C - Chemistry, Metallurgy

07

D

260/322.5, 167/1

C07D 207/44 (2006.01) A01N 25/00 (2006.01) C07D 207/448 (2006.01) C07D 207/452 (2006.01)

Patent

CA 1058623

ABSTRACT OF THE DISCLOSURE A novel cyclopropanecarboxyllc acid ester of the formula (I), (I) Image wherein R1 is a hydrogen atom, methyl group or a fluorine, chlorine or bromine atom, R2 is a fluorine chlorine or bromine atom, and each of R3 and R4 is independently a hydrogen atom, a C1-C3 alkyl, C2-C3 alkenyl or C2-C3 alkynyl group, an alkyl- or halogen- substituted aryl, unsubstituted aryl group or an aralkyl group, which possesses various useful insecticidal and acaricidal activities and can be prepared by reacting an alcohol, halide or arylsulfonate compound of the formula (II), (II) Image wherein R3 and R4 have the same meanings as defined above and A is a hydroxyl group, a halogen atom or an arylsulfoxy group, with a cyclopropanecarboxyllc acid of the formula (III), (III) Image wherein R1 and R2 have the same meanings as defined above, or its reactive derivative.

241028

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