Journal of Organic Chemistry p. 5603 - 5606 (1991)
Update date:2022-08-17
Topics:
Toone, Eric J.
Simon, Ethan S.
Whitesides, George M.
A pratical route to uridine 5'-diphosphoglucuronic acid (UDP-GlcUA) from uridine 5'-diphosphoglucose (UDP-Glc) on a 1-g scale has been developed using uridine 5'-diphosphoglucose dehydrogenase (UDP-Glc DH, EC 1.1.1.22) from bovine liver.Crude UDP-Glc dehydrogenase was isolated fron beef liver (450 units from 2.4 kg of frozen liver).Commercially available UDP-Glc dehydrogenase as well as a preparation fron calf liver acetone powder were also evaluated as catalysts for large-scale production of UDP-GlcUA: both preparations exhibited too little activity to be synthetically useful.A platinum-catalyzed oxygen oxidation of UDP-Glc was also examined as a possible route to UDP-GlcUA: enzymatic oxidation was superior.These results establish a route to another of the important activated monosaccharides required for cell-free enzymatic syntheses of mammalian oligo- and polysaccharides.
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