Carbohydrate Research p. 227 - 236 (1986)
Update date:2022-08-10
Topics:
Smits, Pierre C. C.
Kuster, Ben F. M.
Wiele, Kees van der
Baan, Hessel S. van der
Aldoses and aldonic acids have been oxidised with oxygen and air at 55 deg in water, using Pt/C catalysts.After oxidation of the reducing group, if available, the primary hydroxyl group is preferentially oxidised using an unmodified catalyst.Addition of a lead(II) salt changes the preference dramatically towards oxidation at the position α to the carboxyl group.Provided that oxygen transfer to the liquid phase is carefully controlled in order to prevent deactivation of the catalyst, 2-ketoaldonic acids can be prepared in high yields.
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