C - Chemistry – Metallurgy – 07 – B
Patent
C - Chemistry, Metallurgy
07
B
C07B 57/00 (2006.01) C07C 227/34 (2006.01) C12P 13/04 (2006.01)
Patent
CA 2547733
The present invention relates to a process for the resolution of derivatives of &agr;-amino acids. In particular the process is concerned with the resolution of a mixture of enantiomers of N-protected amino acids by crystallisation with enantiomerically pure N-unprotected &bgr;-amino acid derivatives.
La présente invention concerne un procédé destiné à la résolution de dérivés d'acides aminés .alpha.. Notamment, ledit procédé s'effectue par la résolution d'un mélange d'énantiomères d'acides aminés protégés par N au moyen d'une cristallisation de dérivés d'acides aminés .beta. non protégés par N, énantiomériquement purs.
Hoffmann Rolf
Kraft Michael
Degussa Ag
Evonik Degussa Gmbh
Marks & Clerk
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