Ascorbic acid or erythorbic acid derivatives

Details Ascorbic acid or erythorbic acid derivatives Ascorbic acid or erythorbic acid derivatives

1986-09-12

1989-04-18

Hollrah, Glennon H.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07

Patent

active

048228982

ABSTRACT:
An ascorbic acid or erythorbic acid derivative represented by the following general formula: ##STR1## wherein n represents an integer of 4 to 20; and a process for producing said ascorbic acid or erythorbic acid derivative which comprises heat-treating 2,5,6-triacyl-substituted-ascorbic acid or -erythorbic acid represented by the following general formula: ##STR2## wherein n represents an integer of 4 to 20, in the presence of water and/or a lower aliphatic alcohol at a temperature of 30.degree. C. to 100.degree. C. and thereby selectively eliminating only the acyl group of the 2-position.

REFERENCES:
patent: 2350435 (1944-06-01), Wells et al.
patent: 2408897 (1946-10-01), Walls et al.
patent: 2728661 (1955-12-01), Thirtle et al.
patent: 4324778 (1982-04-01), Davis
patent: 4329290 (1982-05-01), Sawyer et al.
English translation of Ja 49-87655.
T. Imai et al, Chemical Abstracts, 82:123533b (1975).
M. Creighton et al, Jour.Org.Chem., vol.13 (1948), pp. 613-615.
Chemical Abstracts, vol. 43, no. 2, Jan. 25, 1949 (col. 576c-d).
Chemical Abstracts, vol. 82, no. 13, Mar. 31, 1975 (p 540, col 2, Abstract No. 86562n).

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