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Title: | Suzuki−Miyaura cross-coupling reactions for increasing the efficiency of tris-heteroleptic Iridium(III) emitters |
Authors: | Boudreault, Pierre-Luc T.; Esteruelas, Miguel A. ![]() ![]() |
Issue Date: | 2019 |
Publisher: | American Chemical Society |
Citation: | Organometallics 38(15): 2883-2887 (2019) |
Abstract: | 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. |
Publisher version (URL): | 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 |
Appears in Collections: | (ISQCH) Artículos |
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