Document Type and Number:
Japanese Patent JPH0249310
Kind Code:
B2
Abstract:
Novel compounds of the formula I (I) in which each of Y1 and Y2 independently represents a fluorine, chlorine or bromine atom and each of R1 and R2 independently represents a hydrogen atom or an alkyl group having up to 10 carbon atoms, or R1 and R2 together represent an alkylene group having from 2 to 5 carbon atoms, may be converted by the action of base into the corresponding dihalovinylcyclopropane carboxylic acids which are intermediates for preparing known pyrethroid insecticides.
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Inventors:
PETORYUSU ANTONYUSU KURAMERU
Application Number:
JP16648781A
Publication Date:
October 29, 1990
Filing Date:
October 20, 1981
Export Citation:
Assignee:
SHERU INTERN RISAACHI MAACHATSUPII BV
International Classes:
C07C51/00; C07C51/09; C07C61/40; C07C62/02; C07C62/18; C07C67/00; C07D307/93