Efficient total syntheses of natural pterin glycosides: limipterin and tepidopterin

Tadashi Hanaya, Hiroki Baba, Hiroki Toyota, Hiroshi Yamamoto

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)


The key, versatile precursors N2-(N,N-dimethylaminomethylene)-1′-O-(4-methoxybenzyl)-3-[2-(4-nitrophenyl)ethyl]biopterin (29a) and its ciliapterin analog (29b) were prepared, respectively, from d-xylose (in 14 steps) and l-xylose (in 11 steps). Treatment of 29a and 29b with 3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-β-d-glucopyranosyl bromide in the presence of silver triflate and tetramethylurea, followed by removal of the protecting groups, led to the first selective syntheses of limipterin (3) and tepidopterin (5), respectively.

Original languageEnglish
Pages (from-to)2090-2100
Number of pages11
Issue number9
Publication statusPublished - Feb 25 2008


  • Glycosylation
  • Protecting group
  • Pteridine
  • Pterin glycoside

ASJC Scopus subject areas

  • Biochemistry
  • Drug Discovery
  • Organic Chemistry


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