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Keywords:

  • activated ester;
  • β-diketone;
  • Horner-Wadsworth-Emmons reaction;
  • pyrene derivative;
  • quinoline derivative;
  • substituted thiophene

Abstract

Summary: Tailored monomers based on the activated esters of 2,5-dibromo-benzoic and 2,5-dibromobenzene-1-sulfonic acids or 3-substituted 2,5-dibromothiophene suitable for the Suzuki, Yamamoto or Grignard metathesis (GRIM) coupling reactions were synthesized and characterized by the melting point, elemental analysis, 1H NMR, FT IR, and TLC. The Horner-Wadsworth-Emmons reaction was utilized for the preparation of 3-(arylvinyl)-2,5-dibromothiophenes and the 4-nitrophenol or N-hydroxysuccinimide for the preparation of activated esters. A monomer with β-diketone active structure was prepared and characterized as well.