Sodium Ascorbate → 2-keto-L-Gulonic acid

反応式

[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]

参加物

実験手順

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.