Journal
CARBOHYDRATE RESEARCH
Volume 339, Issue 1, Pages 21-27Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.carres.2003.09.031
Keywords
cell walls; higher plants; pectins
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beta-Rhamnosylation of methyl 2-C-hydroxymethyl-2,3-O-isopropylidene-beta-D-erythrofuranoside and methyl 2,3-O-isopropylidene-beta-D-ribofuranoside was achieved using 4-O-acetyl-2,3-O-carbonyl-alpha-L-rhamnopyranosyl bromide and Ag2O as a promoter. Deprotected disaccharides beta-L-Rhap-(l --> 3')-beta-D-Apif-OMe and beta-L-Rhap-(l --> 3')-beta-D-Ribf-OMe were compared to their alpha-rhamnosyl isomers which were prepared using conventional Helferich glycosylation. (C) 2003 Elsevier Ltd. All rights reserved.
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