SYNTHETIC METHOD OF ENANTIOMERICALLY PURE 2,2'-DIHYDROXY-1,1'-BINAPHTHYL-3-CARBOXYLIC ACID

SYNTHETIC METHOD OF ENANTIOMERICALLY PURE 2,2'-DIHYDROXY-1,1'-BINAPHTHYL-3-CARBOXYLIC ACID

The present invention relates to a method for preparing enantiomerically pure compounds 1a and 1b of the following formula 1 from racemic compound 1 of the following formula 1. [formula 1] The compounds 1a and 1b of the above formula 1 respectively are important intermediates for a process for prepa...

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Hauptverfasser: LEE, YOUNG HEE, KOH, YOUNG-KOOK, LEE, HYUNIL, YOON, HEUNGSIK, JUNG, HEEJUNG
Format: Patent
Sprache:eng ; fre ; ger
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ACYCLIC OR CARBOCYCLIC COMPOUNDS
APPARATUS THEREFOR
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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creator LEE, YOUNG HEE
KOH, YOUNG-KOOK
LEE, HYUNIL
YOON, HEUNGSIK
JUNG, HEEJUNG
description The present invention relates to a method for preparing enantiomerically pure compounds 1a and 1b of the following formula 1 from racemic compound 1 of the following formula 1. [formula 1] The compounds 1a and 1b of the above formula 1 respectively are important intermediates for a process for preparing the respective compounds 2a and 2b of the following formula 2, which are 2,2′-binaphthol-3-aldehyde derivatives. The following compounds 2a and 2b are useful for preparing enantiomerically pure amino acids. The present invention provides a method for preparing the above compounds 1a and 1b very conveniently and economically, and suitably for mass production. [formula 2]
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subjects ACYCLIC OR CARBOCYCLIC COMPOUNDS
APPARATUS THEREFOR
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
title SYNTHETIC METHOD OF ENANTIOMERICALLY PURE 2,2'-DIHYDROXY-1,1'-BINAPHTHYL-3-CARBOXYLIC ACID
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