PROCESSO PARA A PREPARACAO DE UM DERIVADO DE CICLOPROPANO E USO DO ANIDRIDO DE FORMULA III

PROCESSO PARA A PREPARACAO DE UM DERIVADO DE CICLOPROPANO E USO DO ANIDRIDO DE FORMULA III

The invention relates to a process for the preparation of a compound of the general formula (formula I> in which R and R in each case independently of one another represent a hydrogen atom or an alkyl group having up to 10 carbon atoms or R and R together represent an alkylene group having 2 to 5...

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1. Verfasser: SYRIER JOHANNES LEOPOLD MARIE
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ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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creator SYRIER JOHANNES LEOPOLD MARIE
description The invention relates to a process for the preparation of a compound of the general formula (formula I> in which R and R in each case independently of one another represent a hydrogen atom or an alkyl group having up to 10 carbon atoms or R and R together represent an alkylene group having 2 to 5 carbon atoms, or an alkali metal salt or alkaline earth metal salt of this compound, which comprises reacting an ester of the general formula (formula II> in which R and R have the abovementioned meaning and R represents an optionally substituted alkyl group, with a hypochlorite or hypobromite of an alkali metal or an alkaline earth metal in the presence of water. The compounds of the formula I are intermediates for a specific isomerisation process which is suitable for preparing insecticidally active pyrethroid compounds.
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subjects ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
title PROCESSO PARA A PREPARACAO DE UM DERIVADO DE CICLOPROPANO E USO DO ANIDRIDO DE FORMULA III
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