Synthetic studies on the carbohydrate moiety of the antigen from the parasite Echinococcus multilocularis

Akihiko Koizumi, Noriyasu Hada, Asuka Kaburaki, Kimiaki Yamano, Frank Schweizer, Tadahiro Takeda

研究成果: Article

21 引用 (Scopus)

抜粋

Stereocontrolled syntheses of branched tri-, tetra-, and pentasaccharides displaying a Galβ1→3GalNAc core in the glycan portion of the glycoprotein antigen from the parasite Echinococcus multilocularis have been accomplished. Trisaccharide Galβ1→3(GlcNAcβ1→6)GalNAcα1-OR (A), tetrasaccharide Galβ1→3(Galβ1→4GlcNAcβ1→6)GalNAcα1-OR (D), and pentasaccharides Galβ1→3(Galβ1→4Galβ1→4GlcNAcβ1→6)GalNAcα1-OR (E) and Gal β1→3(Galα1→4Galβ1→4GlcNAcβ1→6)GalNAcα1-OR (F) (R = 2-(trimethylsilyl)ethyl) were synthesized by block synthesis. The disaccharide 2-(trimethylsilyl)ethyl 2,3,4,6-tetra-O-acetyl-β-d-galactopyranosyl-(1→3)-2-azido-4-O-benzyl-2-deoxy-α-d-galactopyranoside served as a common glycosyl acceptor in the synthesis of the branched oligosaccharides. Moreover, linear trisaccharide Galβ1→4Galβ1→3GalNAcα1-OR (B) and branched tetrasaccharide Galβ1→4Galβ1→3(GlcNAcβ1→6)GalNAcα1-OR (C) were synthesized by stepwise condensation.

元の言語English
ページ(範囲)856-868
ページ数13
ジャーナルCarbohydrate Research
344
発行部数7
DOI
出版物ステータスPublished - 2009 5 12

ASJC Scopus subject areas

  • Analytical Chemistry
  • Biochemistry
  • Organic Chemistry

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