Synthesis of 4-O-glycosylated 1,5-anhydro-D-fructose and of 1,5-anhydro-D-tagatose from a common intermediate 2,3-O-isopropylidene -D-fructose

Karoly Agoston, Gyula Dekany, Inge Lundt

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Four novel disaccharides of glycosylated 1,5-anhydro-D-ketoses have been prepared: 1,5-anhydro-4-O-b-D-glucopyranosyl-D-fructose, 1,5-anhydro-4-O-b-D-galactopyranosyl-D-fructose, 1,5-anhydro-4-O-b-D-glucopyranosyl-D-tagatose and 1,5-anhydro-4-O-b-D-galactopyranosyl-D-tagatose. The common intermediate, 1,5-anhydro-2,3-O-isopropylidene-b-D-fructopyranose, was prepared from D-fructose and converted into the D-tagatose derivative by oxidation followed by stereoselective reduction to the 4-epimer. The prepared anhydro-ketoses were glycosylated and deprotected to the disaccharides.
Original languageEnglish
JournalCarbohydrate Research
Volume344
Issue number8
Pages (from-to)1014-1019
ISSN0008-6215
DOIs
Publication statusPublished - 2009

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