KINETICS AND MECHANISM OF OXIDATION OF D-GLUCOPYRANOSE 6-PHOSPHATE AND D-RIBOFURANOSE 5-PHOSPHATE BY VANADIUM(V) IN PERCHLORIC ACID MEDIA

DOI: 10.1016/S0008-6215(00)90429-4

Source and publish data:

Carbohydrate Research p. 193 - 200 (1986)

Update date:2022-08-05

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Authors:

Gupta, Kalyan Kali Sen

Gupta, Shipra Sen

Mandal, Subrata Kumar

Basu, Samarendra Nath

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Article abstract of DOI:10.1016/S0008-6215(00)90429-4

The second-order rate constants for the oxidations of D-glucopyranose 6-phosphate and D-ribofuranose 5-phosphate by vanadium(V) in perchloric acid media have been measured spectrophotometrically in the visible region.The order with respect to +> is less than unity for each reaction.The enthalpy and entropy of activations of the reactions are higher than those for the corresponding two-electron oxidations by chromium(VI).The oxidations involve free-radical intermediates.

Full text of DOI:10.1016/S0008-6215(00)90429-4

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