Novel compounds of the formula I ##STR1## in which each of Y.sup.1 and Y.sup.2 independently represents a fluorine, chlorine or bromine atom and each of R.sup.1 and R.sup.2 independently represents a hydrogen atom or an alkyl group having up to 10 carbon atoms, or R.sup.1 and R.sup.2 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.
Process for the preparation of dihalovinylcyclopropane carboxylic acid
申请人:Shell Oil Company
公开号:US04375557A1
公开(公告)日:1983-03-01
Novel compounds of the formula I ##STR1## in which each of Y.sup.1 and Y.sup.2 independently represents a fluorine, chlorine or bromine atom and each of R.sup.1 and R.sup.2 independently represents a hydrogen atom or an alkyl group having up to 10 carbon atoms, or R.sup.1 and R.sup.2 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.
Cyclopropane derivatives, processes for their preparation and their use in the preparation of dihalovinylcyclopropane carboxylic acids
申请人:SHELL INTERNATIONALE RESEARCH
MAATSCHAPPIJ B.V.
公开号:EP0050383A1
公开(公告)日:1982-04-28
Novel compounds of the general formula:
in which each of Y' and Y2 independently represents a fluorine, chlorine or bromine atom may be converted by the action of base into the corresponding cis dihalovinylcyclopropane carboxylic acids.