Synthesis of fluorescent oligo(P-phenyleneethynylene) (OPE3) via sonogashira reactions

Mariana Flores-Jarillo, Francisco Ayala-Mata, Gerardo Zepeda-Vallejo, Rosa Ángeles Vázquez-García, Gabriel Ramos-Ortiz, Miguel Ángel Méndez-Rojas, Oscar Rodolfo Suárez-Castillo, Alejandro Alvarez-Hernández

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Sonogashira reactions of 4-(2,5-diiodobenzoyl)morpholine and 4-(5-bromo-2-iodobenzoyl)morpholine with arylacetylenes catalyzed by Pd2(dba)3 in DMSO allowed preparation of fluorescent oligo(p-phenyleneethynylene)s (OPE3) with fluorescence quantum yields up to 0.87. DMSO proved to be very efficient for this double Sonogashira coupling in which other solvents failed.

Original languageEnglish
Pages (from-to)151-160
Number of pages10
JournalJournal of the Mexican Chemical Society
Volume59
Issue number2
StatePublished - 1 Apr 2015

Keywords

  • Fluorescence
  • OPE3
  • Oligo(p-phenyleneethynylene)s
  • Sonogashira coupling

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