Carbazole- and Triphenylamine-Substituted Pyrimidines Synthesis and Photophysical Properties

Abstract : 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.
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Submitted on : Friday, June 7, 2019 - 11:42:39 AM
Last modification on : Wednesday, June 26, 2019 - 11:37:25 AM

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Sylvain Achelle, Julián Rodríguez-López, Massinissa Larbani, Rodrigo Plaza-Pedroche, Françoise Robin-Le Guen. Carbazole- and Triphenylamine-Substituted Pyrimidines Synthesis and Photophysical Properties. Molecules, MDPI, 2019, 24 (9), ⟨10.3390/molecules24091742⟩. ⟨hal-02150442⟩

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