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Título : New cyclen-cored dendrimers functionalized with pyrene: Synthesis characterization, optical and photophysical properties
Autor : Cevallos Vallejo, Amanda Sofía
Vonlanthen, Mireille
Porcu, Pasquale
Ruiu, Andrea
Rivera, Ernesto
Palabras clave : Pyrene
Cyclen
Dendrimer
Optical properties
Fecha de publicación : 2017
Editorial : Elsevier
Citación : Cevallos-Vallejo, A., Vonlanthen, M., Porcu, P., Ruiu, A., & Rivera, E. (2017). New cyclen-cored dendrimers functionalized with pyrene: Synthesis characterization, optical and photophysical properties. Tetrahedron Letters, 58(13), 1319–1323. https://doi.org/10.1016/j.tetlet.2017.02.054
Citación : PRODUCCIÓN CIENTÍFICA-ARTÍCULOS;A-IKIAM-000099
Resumen : New cyclen (1,4,7,10-teraazacyclododecane) cored dendrimers up to the second generation, functionalized with 4, 8 and 16 pyrene units, respectively, were synthesized following a convergent procedure. All new compounds were characterized by NMR spectroscopies and ESI or MALDI TOF mass spectrometry. The optical and photophysical properties of the new dendrimers were studied in THF solution. Absorption spectra showed the typical absorption bands of pyrene moieties. In the fluorescence spectra, monomer as well as excimer emission were observed for all compounds. An increased proportion of excimer emission was observed in the dendrimer of the highest generation.
URI : http://repositorio.ikiam.edu.ec/jspui/handle/RD_IKIAM/161
https://doi.org/10.1016/j.tetlet.2017.02.054
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