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Título: | Suzuki−Miyaura cross-coupling reactions for increasing the efficiency of tris-heteroleptic Iridium(III) emitters |
Autor: | Boudreault, Pierre-Luc T.; Esteruelas, Miguel A. CSIC ORCID; Mora, Erik CSIC ORCID; Oñate, Enrique CSIC ORCID; Tsai, Jui-Yi | Fecha de publicación: | 2019 | Editor: | American Chemical Society | Citación: | Organometallics 38(15): 2883-2887 (2019) | Resumen: | The complex Ir(acac){κ2-C,N-[C6BrH3-py]}{κ2-C,N-[C6H4-py]} (2) is a green emitter, which displays short lifetimes (0.9–4.9 μs) and quantum yields of 0.32 in poly(methyl methacrylate) films at 5 wt % and 0.41 in 2-methyltetrahydrofuran at room temperature. Its Pd(OAc)2/4 PPh3-catalyzed cross-coupling reactions with RB(OH)2 afford Ir(acac){κ2-C,N-[C6RH3-py]}{κ2-C,N-[C6H4-py]} (R = Me (3), Ph (4)), which show almost identical emissions with quantum yields in the range 0.98–0.82. | Versión del editor: | https://doi.org/10.1021/acs.organomet.9b00381 | URI: | http://hdl.handle.net/10261/189659 | DOI: | 10.1021/acs.organomet.9b00381 | ISSN: | 0276-7333 | E-ISSN: | 1520-6041 |
Aparece en las colecciones: | (ISQCH) Artículos |
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