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Cap-and-tag solid phase oligosaccharide synthesis.

Frédéric R Carrel1, Peter H Seeberger

  • 1Laboratory of Organic Chemistry, Swiss Federal Institute of Technology (ETH) Zürich, Wolfgang-Pauli-Strasse 10, 8093 Zürich, Switzerland.

The Journal of Organic Chemistry
|October 25, 2007
PubMed
Summary
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A novel cap-and-tag method simplifies oligosaccharide synthesis. This technique uses acetyl-capping and fluorous-tagging for easy separation of target molecules, improving efficiency in complex carbohydrate synthesis.

Area of Science:

  • Carbohydrate Chemistry
  • Organic Synthesis
  • Biotechnology

Background:

  • Solid phase oligosaccharide synthesis is crucial for creating complex carbohydrates.
  • Separating desired products from deletion sequences remains a challenge.

Purpose of the Study:

  • To introduce a new
  • cap-and-tag
  • strategy for solid phase oligosaccharide synthesis.
  • To demonstrate facile separation of target oligosaccharides from byproducts.

Main Methods:

  • Application of acetyl-capping and fluorous-tagging.
  • Utilizing fluorous solid phase extraction for purification.
  • Synthesis of a protected trisaccharide: Glc-beta-(1-->6)-Man-alpha-(1-->6)-Glc-beta-1-->pentenyl.

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Main Results:

  • The cap-and-tag strategy enabled efficient separation of F-tagged oligosaccharides.
  • Deletion sequences (acetyl-capped) were effectively removed.
  • Successful synthesis of the target trisaccharide was achieved.

Conclusions:

  • The cap-and-tag approach offers a streamlined method for oligosaccharide synthesis.
  • This strategy enhances purification efficiency in solid phase carbohydrate chemistry.