PROCESSES FOR PRODUCING PHENOXY PROPIONIC ACID DERIVATIVES

PROCESSES FOR PRODUCING PHENOXY PROPIONIC ACID DERIVATIVES

Preparation of D(+)-2-[4-(6-chloro-2-quinoxalyloxy)phenoxy]propionic acid(I) comprising reacting an alkali metal salt of 4-(6-chloro-2-quinoxalyloxy)phenol (II) with an alkali metal salt of L-2-chloropropionic acid (III) in an aromatic hydrocarbon solvent in the presence of an aprotic polar solvent...

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Hauptverfasser: FUKUDA, KENZO, MAKABE, TAKAHIRO, ISHII, KENICHI, HATANAKA, MASATAKA
Format: Patent
Sprache:eng
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APPARATUS THEREFOR
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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creator FUKUDA, KENZO
MAKABE, TAKAHIRO
ISHII, KENICHI
HATANAKA, MASATAKA
description Preparation of D(+)-2-[4-(6-chloro-2-quinoxalyloxy)phenoxy]propionic acid(I) comprising reacting an alkali metal salt of 4-(6-chloro-2-quinoxalyloxy)phenol (II) with an alkali metal salt of L-2-chloropropionic acid (III) in an aromatic hydrocarbon solvent in the presence of an aprotic polar solvent to obtain an alkali metal salt of (I), and treating it with an acid.
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subjects APPARATUS THEREFOR
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
title PROCESSES FOR PRODUCING PHENOXY PROPIONIC ACID DERIVATIVES
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