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A ring-closing metathesis strategy to phosphonosugars.

D S Stoianova1, P R Hanson

  • 1Department of Chemistry, University of Kansas, 1251 Wescoe Hall Drive, Lawrence, Kansas 66045-7582, USA.

Organic Letters
|October 12, 2001
PubMed
Summary

Researchers synthesized cyclic phosphonate (phostone) carbohydrate analogues. Ring-closing metathesis efficiently created six-membered phosphonates, providing access to novel phostone sugar analogues.

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Area of Science:

  • Organic Chemistry
  • Carbohydrate Chemistry
  • Medicinal Chemistry

Background:

  • Carbohydrate analogues are crucial in drug discovery and chemical biology.
  • Phosphorus-containing heterocycles offer unique chemical properties and biological activities.
  • Developing novel synthetic routes to functionalized cyclic phosphonates is of significant interest.

Purpose of the Study:

  • To synthesize cyclic phosphonate (phostone) analogues of carbohydrates.
  • To explore the utility of ring-closing metathesis for constructing these novel structures.
  • To establish a facile entry into a diverse array of phostone sugar analogues.

Main Methods:

  • Synthesis of mixed allylic phenyl esters of allylphosphonic acid.
  • Application of ring-closing metathesis reaction.
  • Introduction of polyhydroxy functionality onto the cyclic phosphonate core.

Main Results:

  • Successful synthesis of six-membered cyclic allylic phosphonates.
  • Excellent yields achieved via the ring-closing metathesis reaction.
  • Demonstrated facile access to polyhydroxylated phostone sugar analogues.

Conclusions:

  • The described synthetic strategy provides an efficient route to phostone sugar analogues.
  • Ring-closing metathesis is a powerful tool for constructing phosphorus-containing carbohydrate mimics.
  • These novel phostone analogues hold potential for further biological investigation.

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