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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.

SUBMITTER: Achelle S 

PROVIDER: S-EPMC6540165 | biostudies-literature | 2019 May

REPOSITORIES: biostudies-literature

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Carbazole- and Triphenylamine-Substituted Pyrimidines: Synthesis and Photophysical Properties.

Achelle Sylvain S   Rodríguez-López Julián J   Larbani Massinissa M   Plaza-Pedroche Rodrigo R   Robin-le Guen Françoise F  

Molecules (Basel, Switzerland) 20190505 9

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 photoluminescen  ...[more]

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