METHOD FOR THE PREPARATION OF DIFLUOROMETHOXYAROMATIC COMPOUNDS

METHOD FOR THE PREPARATION OF DIFLUOROMETHOXYAROMATIC COMPOUNDS

A METHOD FOR THE PREPARATION OF DIFLUORO METHOXYAROMATIC COMPOUNDS A method for the preparation of certain difluoromethoxyaromatic compounds useful as intermediates in the preparation of pyrethroid pesticides. The method comprises alkylating a p-substituted phenol with excess chlorodifluoromethane a...

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Hauptverfasser: RAGHU, SIVARAMAN, SIDDENS, JACK K
Format: Patent
Sprache:eng ; fre
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ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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creator RAGHU, SIVARAMAN
SIDDENS, JACK K
description A METHOD FOR THE PREPARATION OF DIFLUORO METHOXYAROMATIC COMPOUNDS A method for the preparation of certain difluoromethoxyaromatic compounds useful as intermediates in the preparation of pyrethroid pesticides. The method comprises alkylating a p-substituted phenol with excess chlorodifluoromethane at atmospheric or superatmospheric pressures in the presence of a base, water, and an inert water miscible organic solvent or solvent mixtures.
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subjects ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
title METHOD FOR THE PREPARATION OF DIFLUOROMETHOXYAROMATIC COMPOUNDS
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