A METHOD FOR SEPARATING OPTICALLY ACTIVE HYDROXY CINEOLE DERIVATIVES

The present invention relates to a method for separating an optically active hydroxy cineole derivatives by lixiviation and crystallization and enantiomerically pure optically active hydroxy cineole derivatives of purity greater than 99.5% that have been prepared by this process. The present inventi...

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Bibliographic Details
Main Authors KRAUS, Helmut, BENSON, Stefan, RACK, Michael, GOETZ, Roland, DITRICH, Klaus
Format Patent
LanguageEnglish
French
German
Published 14.04.2021
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:The present invention relates to a method for separating an optically active hydroxy cineole derivatives by lixiviation and crystallization and enantiomerically pure optically active hydroxy cineole derivatives of purity greater than 99.5% that have been prepared by this process. The present invention further relates to use of the desired enantiomer having enantiomeric excess of at least 99.5% ee as prepared according to the present invention, for the synthesis of enantiomerically pure 7-oxabicyclo[2.2.1]heptane derivatives.
Bibliography:Application Number: EP20180728312