Reduction of 2,5-diketogluconic acid

Details Reduction of 2,5-diketogluconic acid Reduction of 2,5-diketogluconic acid

1977-10-20

1979-07-03

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

560174, 562577, C07D30762

Patent

active

041599900

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

REFERENCES:
patent: 3381027 (1968-04-01), Jaffe et al.
patent: 4043937 (1977-08-01), Kiss 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).

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