Abstract
Background: The biological significance of glycoconjugates has stimulated much synthetic activity in oligosaccharide synthesis, the sulfate group in sulfated oligosaccharides has been shown to be constitutively involved in the interaction of ligands with selectins, establishing combinatorial methods for the synthesis of sulfated oligosaccharide library may be useful for screening of ligands of selectins.
Results: Random sulfation of a partial benzyl protected Lewis A trisaccharide in pyridine provided a sulfated trisaccharide mixture. After hydrogenation with Pd/C and purification on Sephadex A-50 column, a monosulfated trisaccharide library was obtained as a mixture. The H-H COSY NMR spectrum of this mixture showed that this mixture contains all five possible monosulfated Lewis A trisaccharides with acceptable ratio. Conclusion: Random sulfation of a partial protected oligosaccharide was demonstrated as the most efficient method so far for the synthesis of monosulfated oligosaccharide library.Keywords: Combinatorial chemistry, lewis A trisaccharides, oligosaccharide, sulfated oligosaccharide library, sulfation, synthesis.
Graphical Abstract
Letters in Organic Chemistry
Title:Synthesis of Monosulfated Lewis a Trisaccharide Library Through Sulfation of a Partial Protected Trisaccharide
Volume: 14 Issue: 6
Author(s): Yili Ding*Bingyun Wang
Affiliation:
- Life Science Department, Foshan University, Foshan, Guangdong 528000,China
Keywords: Combinatorial chemistry, lewis A trisaccharides, oligosaccharide, sulfated oligosaccharide library, sulfation, synthesis.
Abstract: Background: The biological significance of glycoconjugates has stimulated much synthetic activity in oligosaccharide synthesis, the sulfate group in sulfated oligosaccharides has been shown to be constitutively involved in the interaction of ligands with selectins, establishing combinatorial methods for the synthesis of sulfated oligosaccharide library may be useful for screening of ligands of selectins.
Results: Random sulfation of a partial benzyl protected Lewis A trisaccharide in pyridine provided a sulfated trisaccharide mixture. After hydrogenation with Pd/C and purification on Sephadex A-50 column, a monosulfated trisaccharide library was obtained as a mixture. The H-H COSY NMR spectrum of this mixture showed that this mixture contains all five possible monosulfated Lewis A trisaccharides with acceptable ratio. Conclusion: Random sulfation of a partial protected oligosaccharide was demonstrated as the most efficient method so far for the synthesis of monosulfated oligosaccharide library.Export Options
About this article
Cite this article as:
Ding Yili *, Wang Bingyun, Synthesis of Monosulfated Lewis a Trisaccharide Library Through Sulfation of a Partial Protected Trisaccharide, Letters in Organic Chemistry 2017; 14 (6) . https://dx.doi.org/10.2174/1570178614666170505113336
DOI https://dx.doi.org/10.2174/1570178614666170505113336 |
Print ISSN 1570-1786 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6255 |
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