Process for the separation of optical isomers of the racemic mixture of 3-alkyl-piperidine-3-carboxylic acid ethyl ester

Process for the separation of optical isomers of the racemic mixture of 3-alkyl-piperidine-3-carboxylic acid ethyl ester

The subject-matter of the invention is process for the separation of optical isomers of racemic 3-alk-3-carboxylic acid ethyl esters of formula rac-I with the resolving agent (II) (−)-2,3:4,5-di-O-izopropylidene-2-keto-L-gulonic acid (hereinafter: diacetone-L-ketogulonic acid).

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Hauptverfasser: Matravoelgyi Bela, Mizsak Agnes, dr. Faigl Ferenc
Format: Patent
Sprache:eng ; hun
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creator Matravoelgyi Bela
Mizsak Agnes
dr. Faigl Ferenc
description The subject-matter of the invention is process for the separation of optical isomers of racemic 3-alk-3-carboxylic acid ethyl esters of formula rac-I with the resolving agent (II) (−)-2,3:4,5-di-O-izopropylidene-2-keto-L-gulonic acid (hereinafter: diacetone-L-ketogulonic acid).
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title Process for the separation of optical isomers of the racemic mixture of 3-alkyl-piperidine-3-carboxylic acid ethyl ester
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