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Updated: Feb 19, 2026

Chemical Triphosphorylation of Oligonucleotides
Published on: June 2, 2022
Synthesis of nucleoside phosphosulfates
Joanna Kowalska1, Agnieszka Osowniak, Joanna Zuberek
1Division of Biophysics, Institute of Experimental Physics, Faculty of Physics, University of Warsaw, Warsaw, Poland.
This study presents an efficient chemical synthesis for nucleoside 5'-phosphosulfates (NPS), crucial for sulfur metabolism. The method yields 70-90% of vital compounds like adenosine 5'-phosphosulfate (APS) and PAPS.
Area of Science:
- Biochemistry
- Organic Chemistry
- Molecular Biology
Background:
- Nucleoside 5 -phosphosulfates (NPS) are essential intermediates in sulfur assimilation and metabolism across all living organisms.
- Efficient synthesis of NPS, such as adenosine 5 -phosphosulfate (APS) and 3 -phosphoadenosine 5 -phosphosulfate (PAPS), is critical for biological and biochemical research.
Purpose of the Study:
- To develop an efficient and scalable chemical procedure for synthesizing various nucleoside 5 -phosphosulfates (NPS).
- To provide a reliable method for obtaining key intermediates involved in sulfur metabolism.
Main Methods:
- Chemical synthesis of NPS using nucleoside 5 -phosphorimidazolides and sulfate bis(tributylammonium) salt.
- Purification and characterization of synthesized NPS, including APS and PAPS precursors.
Main Results:
- Achieved high yields (70-90%) for various NPS using the described chemical synthesis.
- Successfully synthesized key intermediates like adenosine 5 -phosphosulfate (APS) and the 2 ',3 '-cyclic precursor of 3 '-phosphoadenosine 5 '-phosphosulfate (PAPS).
Conclusions:
- The developed procedure is efficient and scalable for NPS production.
- This method facilitates the study of sulfur metabolism by providing access to essential NPS compounds.
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