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Biosynthesis of Nucleic Acids01:28

Biosynthesis of Nucleic Acids

Nucleic acid biosynthesis is a fundamental biochemical process that produces the purine and pyrimidine nucleotides essential for DNA and RNA synthesis. This pathway maintains a balanced nucleotide pool, preventing imbalances that could jeopardize genetic integrity and cellular function. Given the crucial role of nucleotides, their synthesis is tightly regulated to ensure proper cellular homeostasis.Purine BiosynthesisThe biosynthesis of purine nucleotides begins with ribose-5-phosphate, a...
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Nucleoside Triphosphates - From Synthesis to Biochemical Characterization
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Synthesis of 3'-deoxy-4'-thionucleosides.

Yoshihiro Natori1, Aya Itoh1, Momoko Adachi1

  • 1Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, Komatsushima 4-4-1, Aoba-ku, Sendai, 981-8558, Japan. yoshimura@tohoku-mpu.ac.jp.

Organic & Biomolecular Chemistry
|June 16, 2026
PubMed
Summary
This summary is machine-generated.

Researchers synthesized 3'-deoxy-4'-thionucleosides, potential antiviral and antitumor drugs. A novel thioepoxide reaction creates the core structure, enabling drug candidate development.

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Area of Science:

  • Medicinal Chemistry
  • Organic Synthesis
  • Drug Discovery

Background:

  • 3 -deoxy-4 -thionucleosides are investigated for antiviral and antitumor properties.
  • Developing efficient synthetic routes is crucial for drug candidate exploration.

Purpose of the Study:

  • To achieve the racemic synthesis of 3 -deoxy-4 -thionucleosides.
  • To establish a method applicable for enantioselective synthesis.

Main Methods:

  • A key step involved a tandem intra- and intermolecular SN2 reaction of a thioepoxide to build the 3 -deoxy-4 -thioribose skeleton.
  • Pummerer reaction followed by Vorbrüggen-type glycosylation was employed.
  • The synthesis can be adapted for enantioselective routes using chiral oxiranes.

Main Results:

  • Successful racemic synthesis of 3 -deoxy-4 -thionucleosides was accomplished.
  • The synthetic strategy is versatile and allows for enantioselective approaches.

Conclusions:

  • The developed method provides a viable route to 3 -deoxy-4 -thionucleosides.
  • This synthesis opens avenues for further investigation of these compounds as therapeutic agents.