Process for the preparation of 2-keto-L-gulonic acid

Details Process for the preparation of 2-keto-L-gulonic acid Process for the preparation of 2-keto-L-gulonic acid

1985-04-17

1986-07-08

Garner, Vivian

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

Organic compounds

Carboxylic acids and salts thereof

562577, C07C 51235, C07C 59215

Patent

active

045994463

ABSTRACT:
A process for the preparation of 2-keto-L-gulonic acid by the oxidation of L-sorbose with an oxygen-containing gas in water used as the solvent, wherein the reaction is carried out in the presence of a specific catalyst, preferably with the pH of the reaction fluid kept within the range of 6 to 10. The catalyst contains platinum and/or palladium, as well as lead or bismuth. 2-Keto-L-gulonic acid is a compound which is useful as a precursor of vitamin C.

REFERENCES:
patent: 2190377 (1940-02-01), Dalmer et al.
Berkman et al., Catalysis Inorganic and Organic Reinhold Publishing Corp., New York, 1940, pp. 394-397.

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