Production of L-ascorbic acid

Details Production of L-ascorbic acid Production of L-ascorbic acid

1993-01-08

1999-05-11

Trinh, Ba K.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D307/62

Patent

active

059028858

ABSTRACT:
L-ascorbic acid is produced by allowing an acid to act on 2-keto-L-gulonic acid in a mixture solvent of an inert organic solvent and an aliphatic ketone in the presence of water and a surfactant.
The method produces L-ascorbic acid in a high yield 90% or more and is an industrially advantageous method.

REFERENCES:
patent: 2185383 (1940-01-01), Pasternack et al.
patent: 2462251 (1949-02-01), Bassford et al.
patent: 4491668 (1985-01-01), Ikawa et al.

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