Process for the preparation of racemic alpha-amino acids

Process for the preparation of racemic alpha-amino acids

Process for the preparation of racemic α-amino acids or of glycine, wherein the corresponding α-hydroxycarboxylic acid, selected from hydroxyacetic acid, lactic acid, malic acid, α-hydroxyglutamic acid, isocitric acid, tartronic acid and tartaric acid, or at least one salt of the corresponding α-hyd...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Gruenanger Christian, Oftring Alfred, Biel Markus Christian, Staffel Wolfgang, Bou Chedid Roland, Melder Johann-Peter
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:Process for the preparation of racemic α-amino acids or of glycine, wherein the corresponding α-hydroxycarboxylic acid, selected from hydroxyacetic acid, lactic acid, malic acid, α-hydroxyglutamic acid, isocitric acid, tartronic acid and tartaric acid, or at least one salt of the corresponding α-hydroxycarboxylic acid is reacted in the presence of at least one heterogeneous catalyst which comprises at least one transition metal, in the presence of hydrogen with at least one nitrogen compound (c), where the nitrogen compound (c) is selected from primary and secondary amines and ammonia.