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Related Experiment Videos

A solid supported reagent for internucleoside H-phosphonate linkage formation.

Nikhil Mohe1, Petri Heinonen, Yogesh S Sanghvi

  • 1Division of Organic and Bioorganic Chemistry, MBB, Scheele Laboratory, Karolinska Institutet, Stockholm, Sweden.

Nucleosides, Nucleotides & Nucleic Acids
|October 27, 2005
PubMed
Summary
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Researchers developed a novel reagent for rapid synthesis of dinucleoside H-phosphonates. This method offers high yields and simple purification, ideal for oligonucleotide synthesis.

Area of Science:

  • Organic Chemistry
  • Medicinal Chemistry
  • Biochemistry

Background:

  • Dinucleoside H-phosphonates are crucial intermediates in oligonucleotide synthesis.
  • Current synthesis methods can be time-consuming and require complex purification.
  • Development of efficient and scalable synthesis strategies is essential.

Purpose of the Study:

  • To develop a fast, convenient, and high-yielding method for synthesizing dinucleoside H-phosphonates.
  • To introduce a novel polystyrene-supported reagent for improved synthesis efficiency.
  • To facilitate solution-phase synthesis of oligonucleotides.

Main Methods:

  • Utilized a novel polystyrene-supported 5-carboxy-5-methyl-2-oxo-2-chloro-1,3,2-diaoxaphosphorinane reagent.
  • Performed dinucleoside H-phosphonate condensation reactions.

Related Experiment Videos

  • Employed simple filtration for purification.

    • Main Results:

    • Achieved virtually quantitative H-phosphonate condensations.
    • Obtained excellent isolated yields of dinucleoside H-phosphonates.
    • Demonstrated a purification procedure involving only simple filtration.

    Conclusions:

    • The novel reagent provides a fast and convenient procedure for dinucleoside H-phosphonate synthesis.
    • The method yields high purity products with excellent yields.
    • This approach is well-suited for solution-phase oligonucleotide synthesis.