Process for producing L-ascorbic acid

Details Process for producing L-ascorbic acid Process for producing L-ascorbic acid

1995-11-03

1997-06-10

Dentz, Bernard

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30762

Patent

active

056377347

ABSTRACT:
A process for producing L-ascorbic acid, which comprises reacting 2-keto-L-gulonic acid with an acid in an ether or an inert organic solvent containing an ether in the presence of water and a surfactant.

REFERENCES:
patent: 5041563 (1991-08-01), Fahrni et al.
Chemical Abstracts, vol. 50, No. 8, Apr. 25, 1956, Columbus, Ohio, US, Abstract No. 5992d, M. Yamazaki et al. "VIII. Formation and isolation of 2-keto-L-gulonic acid from the mixture of calcium L-idonate and calcium D-gluconate by submerged fermentation, and synthesis of vitamin C from 2-keto-L-gulonic acid", *abstract* & J. Agr. Chem. Soc. Japan, vol. 28, 1954, pp. 890-894.

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