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Thin-layer chromatography of anomeric steroid tri-O-acetyl-d-glucopyranosiduronic methyl esters, d-glucopyranoside tetraacetates, and 2′-acetamido-2′-deoxy-tri-O-acetyl-d-glucopyranosides

✍ Scribed by John J. Schneider; David K. Fukushima


Book ID
108336306
Publisher
Elsevier Science
Year
1970
Tongue
English
Weight
530 KB
Volume
48
Category
Article
ISSN
1873-3778

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Five derivatives of methyl 3,4,6-triacetyl-2-deoxy-(3@-dialkylureido)-b-D-glucopyranoside were studied by 1H and 13C, NMR spectroscopy in solutions and by 13C NMR spectroscopy in the solid state. Sterically CDCl 3 crowded substituents such as n-hexyl and cylcohexyl change the chemical shifts of H-1,