Continuous catalytic oxidation of alditols to aldoses

Details Continuous catalytic oxidation of alditols to aldoses Continuous catalytic oxidation of alditols to aldoses

1991-01-18

1992-04-28

Brown, Johnnie R.

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

Organic compounds

Carbohydrates or derivatives

536 11, 536 41, C07H 100

Patent

active

051091283

ABSTRACT:
A process is presented for the continuous oxidation of alditols to aldoses accompanied by under 20 weight percent of aldonic and/or alduronic acids relative to the aldoses that are formed. The use of zerovalent platinum on a support such as theta-alumina and at superatmospheric oxygen partial pressures up to about 1,000 pounds per square inch is partially successful in affording good conversion of alditols with relatively low aldonic and/or alduronic acid formation.

REFERENCES:
Glattfeld and Gershon, J. Am. Chem. Soc., 60, 2013 (1938).
K. Heyns and H. Paulsen, Ang. Chem., 69, 600 (1957).
K. Heyns and M. Beck, Chem. Ber., 91, 1720 (1958).

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