Enhancing L-glucose yield: epimerization of L-mannose by molybda

Details Enhancing L-glucose yield: epimerization of L-mannose by molybda Enhancing L-glucose yield: epimerization of L-mannose by molybda

1987-03-23

1988-01-12

Davis, Curtis R.

Sugar, starch, and carbohydrates

Processes

Carbohydrate manufacture and refining

127 462, 536124, 536127, C07H 100, C07H 106

Patent

active

047184051

ABSTRACT:
Although feedstocks of L-mannose prepared from hydrocyanation of L-arabinose contain inhibitors to the soluble molybdate-catalyzed epimerization of L-mannose to L-glucose, experimental conditions have been found which minimize such inhibition. A method is presented for improving the yield of L-glucose in a preparative route using hydrocyanation of L-arabinose as the entry to the L-hexoses by incorporating a soluble molybdate-catalyzed empimerrization stage conducted at a pH below 3.0.

REFERENCES:
patent: 3785864 (1974-01-01), Lauer et al.
patent: 4029878 (1977-06-01), Kruse
patent: 4471114 (1984-09-01), Sherman et al.

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