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Trityl isothiocyanate support for solid-phase synthesis.

M C Pirrung1, S V Pansare

  • 1Department of Chemistry, Levine Science Research Center, Duke University, Durham, North Carolina 27708-0317, USA.

Journal of Combinatorial Chemistry
|January 10, 2001
PubMed
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Trityl isothiocyanate resin is a versatile precursor for synthesizing thiosemicarbazide resins and supported thioureas. These compounds are efficiently converted into valuable 2-aminothiazole-5-carboxylates via solid-phase synthesis.

Area of Science:

  • Organic Chemistry
  • Polymer Chemistry
  • Medicinal Chemistry

Background:

  • Trityl chloride resin is a common starting material in solid-phase synthesis.
  • Isothiocyanates are reactive intermediates used in organic synthesis.
  • Thiosemicarbazones and thioureas are important scaffolds in medicinal chemistry.

Purpose of the Study:

  • To develop a novel resin-based synthetic route using trityl isothiocyanate resin.
  • To explore the utility of this resin in preparing supported thioureas and their derivatives.
  • To synthesize 2-aminothiazole-5-carboxylates through a solid-phase approach.

Main Methods:

  • Preparation of trityl isothiocyanate resin from trityl chloride resin.
  • Solid-phase synthesis of supported thioureas by reacting the resin with various amines.

Related Experiment Videos

  • Conversion of supported thioureas to 2-aminothiazole-5-carboxylates using methyl 2-chloroacetoacetate.

    • Main Results:

    • Trityl isothiocyanate resin was successfully prepared and characterized.
    • A range of supported thioureas were synthesized efficiently.
    • The supported thioureas were converted to 2-aminothiazole-5-carboxylates in good yields.

    Conclusions:

    • Trityl isothiocyanate resin is a valuable and efficient precursor for solid-phase synthesis.
    • This method provides a convenient route to supported thioureas and 2-aminothiazole-5-carboxylates.
    • The developed methodology offers advantages for the synthesis of heterocyclic compounds in medicinal chemistry research.