Synthetic studies on glycosphingolipids from protostomia phyla: Synthesis of glycosphingolipids and related carbohydrate moieties from the parasite Schistosoma mansoni

Takayuki Kanaya, Frank Schweizer, Tadahiro Takeda, Fumiyuki Kiuchi, Noriyasu Hada

研究成果: Article査読

10 被引用数 (Scopus)

抄録

Stereocontrolled syntheses of three neutral glycosphingolipids and six oligosaccharide derivatives found from the parasite Schistosoma mansoni have been accomplished. A pentasaccharide glycosphingolipid β-d-Galp-(1→4)- [α-l-Fucp-(1→3)]-β-d-GlcpNAc-(1→3)-β-d-GalpNAc- (1→4)-β-d-Glcp-(1↔1)-Cer (1), two hexasaccharide glycosphingolipids α-l-Fucp-(1→3)-β-d-Galp-(1→4)-[α- l-Fucp-(1→3)]-β-d-GlcpNAc-(1→3)-β-d-GalpNAc-(1→4) -β-d-Glcp-(1↔1)-Cer (2) and β-d-Galp-(1→4)-[α-l-Fucp- (1→3)]-β-d-GlcpNAc-(1→3)-β-d-GlcpNAc-(1→3) -β-d-GalpNAc-(1→4)-β-d-Glcp-(1↔1)-Cer (3), together with their non-reducing end tri- and tetrasaccharides, β-d-Galp-(1→4)- [α-l-Fucp-(1→3)]-β-d-GlcpNAcOR (4) and α-l-Fucp-(1→3) -β-d-Galp-(1→4)-[α-l-Fucp-(1→3)]-β-d-GlcpNAcOR (5), were synthesized by block synthesis. Moreover, non-reducing end oligosaccharides of schistosomal glycosphingolipids, β-d-GalpNAc-(1→4)-[α-l- Fucp-(1→3)]-β-d-GlcpNAcOR (6), α-l-Fucp-(1→3)-β-d- GalpNAc-(1→4)-[α-l-Fucp-(1→3)]-β-d-GlcpNAcOR (7), α-l-Fucp-(1→3)-β-d-GalpNAc-(1→4)-[α-l-Fucp-(1→2) -α-l-Fucp-(1→3)]-β-d-GlcpNAcOR (8) and α-l-Fucp-(1→3) -β-d-GalpNAc-(1→4)-[α-l-Fucp-(1→2)-α-l-Fucp- (1→2)-α-l-Fucp-(1→3)]-β-d-GlcpNAcOR (9) [R = 2-(trimethylsilyl)ethyl], were synthesized as probes to explore their diagnostic potential to detect schistosomiasis from patients' sera.

本文言語English
ページ(範囲)55-72
ページ数18
ジャーナルCarbohydrate Research
361
DOI
出版ステータスPublished - 2012 11月 1
外部発表はい

ASJC Scopus subject areas

  • 分析化学
  • 生化学
  • 有機化学

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