期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 71, 期 24, 页码 9080-9087出版社
AMER CHEMICAL SOC
DOI: 10.1021/jo0613939
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A new class of polycyclic aromatic hydrocarbons-oligoindenopyrenes-has been synthesized featuring a Pd-catalyzed Suzuki-Heck coupling cascade. The oligoindenopyrenes are robust, highly colored substructures of C-70 and have properties that might prove useful in new organic materials or devices. After excitation, the tetraindenopyrene derivative 3d undergoes efficient deactivation ( 99%) by internal conversion to the ground state. The small fluorescence quantum yield ( 0.004) is in accordance with the short ( 0.6 ns) fluorescence decay time.
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