New derivatization and separation procedures for reducing oligosaccharides |
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Authors: | Elisabeth Kallin Hans Lönn Thomas Norberg |
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Institution: | (1) Department of Carbohydrate Chemistry, University of Lund, Sölvegatan 41:lll, 223 62 Lund, Sweden;(2) Organic Synthesis Department, BioCarb AB, S-223 70 Lund, Sweden |
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Abstract: | 4-Trifluoroacetamidoaniline was reacted with reducing oligosaccharides in the presence of sodium cyanoborohydride to give aminoalditol derivatives, useful for linkage to proteins or solid matrices. A mixture of reducing oligosaccharides, difficult to separate by HPLC, was treated in the same way. The resulting derivatives were easily separated by HPLC.Abbreviations TFAN
4-trifluoroacetamidoaniline
- LcOse4
lacto-N-tetraose
- IV2Fuc-LcOse4
lacto-N-fucopentaose l
- III4Fuc-LcOse4
lacto-N-fucopentaose II
- III3Fuc-nLcOse4
lacto-N-fucopentaose III
- IV2Fuc, III4Fuc-LcOse4
lacto-N-difucohexaose I
- II6Galß1-4GlcNAc-LcOse4
lacto-N-hexaose
- II3NeuAc-Lac
3-sialyllactose
- GlcNAcß1-4GlcNAcß1-4GlcNAc
chitotriose
- GalNac1-3|Fuc1-2|Galß1-4Glc
A-tetrasaccharide |
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Keywords: | Ofigosaccharide derivatization chromatography separation |
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