PROCESS FOR THE PREPARATION OF ENANTIOMERIC FORMS OF 2,3-DIAMINOPROPIONIC ACID DERIVATIVES

The invention relates to a process for the preparation of the enantiomeric forms of 2,3-diaminopropionic acid derivatives of formula (I), wherein R1, R2 and R3 are defined as in the claims, by racemate resolution. The separation of the racemate into its enantiomers takes place through formation of d...

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Bibliographic Details
Main Authors RIEKE-ZAPP, JOERG, GRAF, CLAUS-DIETER
Format Patent
LanguageEnglish
French
Published 16.02.2012
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:The invention relates to a process for the preparation of the enantiomeric forms of 2,3-diaminopropionic acid derivatives of formula (I), wherein R1, R2 and R3 are defined as in the claims, by racemate resolution. The separation of the racemate into its enantiomers takes place through formation of diastereomeric salts upon addition of an enantiomerically pure auxiliary, and subsequent separation by fractional crystallization.
Bibliography:Application Number: CA20112807979