Process for producing L-ascorbic acid-2-sulfate

Details Process for producing L-ascorbic acid-2-sulfate Process for producing L-ascorbic acid-2-sulfate

1976-08-03

1978-01-24

Jaisle, Cecilia M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D30732

Patent

active

040703770

ABSTRACT:
A process for producing a mono- or di-alkali metal salt or alkaline earth metal salt of L-ascorbic acid-2-sulfate which comprises reacting L-ascorbic acid in which the 5 and 6 positions are protected by a ketone or aldehyde, with dimethyl formamide-sulfur trioxide complex, and neutralizing the product with an alkali metal hydroxide or an alkaline earth metal hydroxide, and removing said protecting aldehyde or ketone at 5-and 6-positions.

REFERENCES:
Gilbert, Sulfonation & Related Reactions (Interscience, 1965), p. 374.
Quadri, Diss. Abstr. Int. B, Mar. 1974, 34(9), 4431-4432.
Quadri, et al., Carbohyd. Res. 1973, 29(1), 259-264.

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