Process for the preparation of l-ascorbic acid

Details Process for the preparation of l-ascorbic acid Process for the preparation of l-ascorbic acid

C - Chemistry, Metallurgy

07

D

C07D 307/00 (2006.01) C07D 307/62 (2006.01)

Patent

CA 2299364

A process is disclosed for preparing L-ascorbic acid by reaction of 2-keto-L- gulonic acid with concentrated mineral acid at temperatures of between 40 and 80 ~C.

L'invention concerne un procédé de préparation d'acide L-ascorbique par réaction d'acide 2-cétone-L-gulonique avec de l'acide minéral concentré à des températures comprises entre 40 et 80 ·C.

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