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Multiply 13C-substituted monosaccharides: synthesis of d-(1,5,6-13C3)glucose and d-(2,5,6-13C3)glucose

✍ Scribed by Jian Wu; Anthony S. Serianni; Paul B. Bondo

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
682 KB
Volume
226
Category
Article
ISSN
0008-6215

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✦ Synopsis

D-(1,5,6-13C3)Glucose (7) has been synthesized by a six-step chemical method. D-(1,2-13C2)Mannose (1) was converted to methyl D-(1,2-13C2)mannopyranosides (2), and 2 was oxidized with Pt-C and O2 to give methyl D-(1,2-13C2)mannopyranuronides (3). After purification by anion-exchange chromatography, 3 was hydrolyzed to give D-(1,2-13C2)mannuronic acid (4), and 4 was converted to D-(5,6-13C2)mannonic acid (5) with NaBH4. Ruff degradation of 5 gave D-(4,5-13C2)arabinose (6), and 6 was converted to D-(1,5,6-13C3)glucose (7) and D-(1,5,6-13C3)mannose (8) by cyanohydrin reduction. D-(2,5,6-13C3)Glucose (9) was prepared from 8 by molybdate-catalyzed epimerization.

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