2,5-Diketogluconic acid esters

Details 2,5-Diketogluconic acid esters 2,5-Diketogluconic acid esters

1979-02-16

1980-10-28

Breitenstein, G. T.

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

Organic compounds

Carboxylic acid esters

C07C 69675

Patent

active

042308801

ABSTRACT:
The novel stereoselective and regioselective alkali metal borohydride reduction of 2,5-diketogluconic acid, alkyl esters or salts thereof to form 2-ketogluconic acid together with lesser amounts of 2-ketogluconic acid is disclosed. The 2-ketogluconic acid is readily converted to ascorbic acid.

REFERENCES:
patent: 3654316 (1972-04-01), Oga et al.
Wakisaka, Agr. Biol. Chem., 28, 819 (1964).
Katznelson, J. Biol. Chem., 204, 43 (1953).
Bernaerts et al., Antonie van Leeuwenhoeck, 37, 185 (1971).
Wagner et al., Synthetic Organic Chemistry, John Wiley & Sons, Inc., N. Y., pp. 261, 262, 480-481, 1965.

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