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Efficient preparation of β-D-glucosyl and β-D-mannosyl ureas and other N-glucosides in carbohydrate melts

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Ruß, C. ; Ilgen, Florian ; Reil, Christian ; Luff, C. ; Haji Begli, A. ; König, Burkhard
License: Allianz- bzw. Nationallizenz
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Date of publication of this fulltext: 14 Jan 2011 09:59


Sugar melts or solvent-free systems have been used to react simple unprotected hexoses at the C-1 atom with urea and urea derivatives to sugar-ureides by acid catalysis and with short reaction times. In one step, β-D-glucosyl- and β-D-mannosyl urea 2a/b were obtained in high yields. D-Galactose 6, N-acetyl-D-glucosamine 7, L-rhamnose 8 and 2-deoxy-D-glucose 9 were converted likewise to glycosyl ...


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