Insecticides

Details Insecticides Insecticides

1975-11-24

1977-10-11

Love, Ethel G.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Fungus, except allergen, or component thereof or substance...

26032643, A01N 922

Patent

active

040536254

ABSTRACT:
A cyclopropanecarboxylic acid ester of the formula (I), ##STR1## wherein R.sub.1 is a hydrogen atom, methyl group or a fluorine, chlorine or bromine atom, R.sub.2 is a fluorine, chlorine or bromine atom, and each of R.sub.3 and R.sub.4 is independently a hydrogen atom, a C.sub.1 -C.sub.3 alkyl, C.sub.2 -C.sub.3 alkenyl or C.sub.2 -C.sub.3 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), ##STR2## wherein R.sub.3 and R.sub.4 have the same meanings as defined above and A is a hydroxyl group, a halogen atom or an arylsulfoxy group, with a cyclopropanecarboxylic acid of the formula (III), ##STR3## wherein R.sub.1 and R.sub.2 have the same meanings as defined above, or its reactive derivative.

REFERENCES:
patent: 3428651 (1969-02-01), Kato et al.
patent: 3766218 (1973-10-01), Ueda et al.
patent: 3934023 (1976-01-01), Okuno et al.
patent: 3954814 (1976-05-01), Mizutani et al.

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