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Journal of the Mexican Chemical Society
versión impresa ISSN 1870-249X
Resumen
FLORES-JARILLO, Mariana et al. Synthesis of Fluorescent oligo(p-phenyleneethynylene) (OPE3) via Sonogashira Reactions. J. Mex. Chem. Soc [online]. 2015, vol.59, n.2, pp.151-160. ISSN 1870-249X.
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.
Palabras llave : Sonogashira coupling; oligo(p-phenyleneethynylene)s; OPE3; fluorescence.