Sodium Ascorbate → 2-keto-L-Gulonic acid

HRID 429999

Reaktionsgleichung

Reaktionsgleichung von HRID 429999
[O:1]=[C:2]1[O:8][C@H:7]([C@H:9]([CH2:11][OH:12])[OH:10])[C:5]([OH:6])=[C:3]1[OH:4].[O:13]=C1O[C@H]([C@H](CO)O)C([O-])=C1O.[Na+]>CO>[CH2:11]([OH:12])[C@H:9]([OH:10])[C@@H:7]([OH:13])[C@H:5]([OH:6])[C:3]([C:2]([OH:8])=[O:1])=[O:4]

Komponenten

4

Edukt 2

HCID 23667548Sodium AscorbateHCID 54670067L-Ascorbic Acid

Produkt 1

HCID 1024242-keto-L-Gulonic acid

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 887MethanolLösungsmittel

Versuchsvorschrift

In particular, the process of the invention may be applied to a methanolic solution of ascorbic acid or sodium ascorbate produced by esterification of 2-keto-L-gulonic acid in methanol, followed by cyclization with sodium bicarbonate to produce a feed composition to the solvent exchanger to produce an aqueous product of ascorbic acid or sodium ascorbate. The product may then be obtained from the aqueous stream by crystallization.

Quellen und Nachweise

ORD-Eintrag
ord-f81303e314574d8ba5ca89cd37ecef26
Quelldatensatz
uspto-grants-2001_11
Patentnummer
US06320061B1

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