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Enright, PM,O'Boyle, KM,Murphy, PV
2000
November
Organic Letters
Synthesis of D-hexos-5-uloses by novel in situ hydrolysis of epoxides derived from 6-deoxyhex-5-enopyranosides
Published
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BETA-D-GLUCOPYRANOSE CARBOHYDRATE-DERIVATIVES ISOMERIC COMPOSITION PHOTO-BROMINATION AQUEOUS-SOLUTION CONVERSION
2
3929
3932
Epoxides derived from 2,3,4-tri-Oprotected-6-deoxyhex-5-enopyranosides are hydrolyzed in situ to ultimately give novel protected-D-hexos-5-ulose derivatives (sugar 1,5-dicarbonyls, 5-ketohexoses) in moderate to high yields, The products adopt a bicyclic structure (1,6-anhydropyranos-5-ulose) in solution with the pyranose ring in C-4(1) conformation. The methodology has been used to prepare D-xylo-hexos-5-ulose (5-ketoglucose), a synthetic precursor to 1-deoxynojirimycin and a possible intermediate in the biosynthesis of inositols.
DOI 10.1021/01006714w
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