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Tetrabutylammonium fluoride-assisted rapid n-9-alkylation on purine ring: Application to combinatorial reactions in microtiter plates for the discovery of potent sulfotransferase inhibitors in situ

Academic Article
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Overview

authors

  • Brik, A.
  • Wu, Chunlei
  • Best, M. D.
  • Wong, Chi-Huey

publication date

  • August 2005

journal

  • Bioorganic & Medicinal Chemistry  Journal

abstract

  • Tremendous efforts have been invested in the synthesis of purine libraries due to their importance in targeting various enzymes involved in different diseases and cellular processes. The synthesis of N9-alkylated purine scaffolds relied mostly on Mitsunobu conditions with a variety of alcohols or strong basic conditions with different organic halides. A more reliable and efficient way for the synthesis of N(9)-alkylated purine scaffolds is reported. This method uses tetrabutylammonium fluoride (TBAF) to assist such chemistry. In many cases, the reactions were completed within 10 min and gave the desired product in high yield and selectivity. Moreover, these mild reaction conditions permitted its use in combinatorial reactions in microtiter plates followed by in situ screening for the discovery of potent sulfotransferase inhibitors.

subject areas

  • Alkylation
  • Combinatorial Chemistry Techniques
  • Enzyme Inhibitors
  • Molecular Structure
  • Purines
  • Quaternary Ammonium Compounds
  • Structure-Activity Relationship
  • Sulfotransferases
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Research

keywords

  • N-alkylation
  • TBAF
  • purine-based libraries
  • sulfotransferase inhibitors
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Identity

International Standard Serial Number (ISSN)

  • 0968-0896

Digital Object Identifier (DOI)

  • 10.1016/j.bmc.2005.02.066

PubMed ID

  • 15953729
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Additional Document Info

start page

  • 4622

end page

  • 4626

volume

  • 13

issue

  • 15

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