C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 207/16 (2006.01)
Patent
CA 2244536
Process for preparing N-pyruvyl-L-proline by reaction of L-proline with methyl pyruvate dimethyl ketal in the presence of an alkali metal alkoxide, subsequent acid hydrolysis and extraction of 1-pyruvyl-L-proline.
Divulgation d'un procédé de préparation de N-pyruvil-L-proline par réaction de L-proline avec du cétal diméthylique de pyruvate de méthyle en présence d'un alcoxyde de métal alcalin, suivie de l'hydrolyse acide et de l'extraction de la 1-pyruvil-L-proline.
Giselbrecht Karlheinz
Zimmermann Curt
Dsm Chemie Linz Gmbh
Dsm Fine Chemicals Austria Nfg Gmbh & Co Kg.
Riches Mckenzie & Herbert Llp
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