Carbazole- and Triphenylamine-Substituted Pyrimidines: Synthesis and Photophysical Properties
Sylvain Achelle,
Julián Rodríguez-López,
Massinissa Larbani,
Rodrigo Plaza-Pedroche,
Françoise Robin-le Guen
Affiliations
Sylvain Achelle
Université de Rennes, CNRS, Institut des Sciences Chimiques de Rennes-UMR 6226, F 35000 Rennes, France
Julián Rodríguez-López
Área de Química Orgánica, Facultad de Ciencias y Tecnologías Químicas, Universidad de Castilla-La-Mancha, Avda. Camillo José Cela 10, 13071 Ciudad Real, Spain
Massinissa Larbani
Université de Rennes, CNRS, Institut des Sciences Chimiques de Rennes-UMR 6226, F 35000 Rennes, France
Rodrigo Plaza-Pedroche
Área de Química Orgánica, Facultad de Ciencias y Tecnologías Químicas, Universidad de Castilla-La-Mancha, Avda. Camillo José Cela 10, 13071 Ciudad Real, Spain
Françoise Robin-le Guen
Université de Rennes, CNRS, Institut des Sciences Chimiques de Rennes-UMR 6226, F 35000 Rennes, France
A series of pyrimidine derivatives bearing one, two or three triphenylamine/9-ethylcarbazole substituents has been synthesized by Suzuki cross-coupling reaction. All compounds showed absorption bands in the UV region and the emission of violet-blue light upon irradiation. Protonation led to quenching of the fluorescence, although some derivatives remained luminescent with the appearance of a new red-shifted band in the spectra. Accurate control of the amount of acid enabled white photoluminescence to be obtained both in solution and in solid state.
