C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 241/04 (2006.01) C07D 233/02 (2006.01) C07D 243/08 (2006.01)
Patent
CA 2233292
The invention pertains to a process for the continuous production of basic cyclic optically active .alpha.-amino acids of general formula (I) by continuous racemate splitting via diastereomeric salt pairs with re- racemisation of the residual amino acid or amino acid derivative in the mother liquor with the aid of an optically active acid.
Procédé de fabrication en continu d'.alpha.-aminoacides cycliques basiques optiquement actifs, de formule générale (I), par dédoublement racémique en continu, via des paires de sels diastéréomères, avec re-racémisation de l'aminoacide ou du dérivé aminoacide restant dans la liqueur-mère, à l'aide d'un acide optiquement actif.
Drauz Karlheinz
Kottenhahn Matthias
Stingl Klaus
Aktiengesellschaft Degussa
Marks & Clerk
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