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Intra- and intermolecular interaction of anthracene moieties in 7,8-disilabicyclo[3.3.0]octadienyl-bridged bisanthracenes

机译:7,8-二硅双环[3.3.0]辛二烯基-桥联双蒽中蒽部分的分子内和分子间相互作用

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Ruthenium-catalyzed dimerization of 9-anthrylarylsilanes afforded air-stable V-shaped bisanthracenes bridged by a 7,8-disilabicyclo[3.3.0]octadiene moiety. The intra- and intermolecular proximity of the anthracene moieties were determined by single-crystal X-ray analysis. Absorption and emission maxima of the disilabicyclo[3.3.0]octadienyl-bridged bisanthracenes in the solution state were observed at longer wavelengths than those of 9-anthryldimethylsilane and bis(9-anthryl)dimethylsilane. The V-shaped bisacenes in the solid state showed excimer emissions with moderate quantum yields.
机译:钌催化的9-蒽芳基硅烷的二聚反应提供了由7,8-二硅双环[3.3.0]辛二烯部分桥接的空气稳定的V形双蒽。蒽部分的分子内和分子间接近度通过单晶X射线分析确定。在比9-蒽基二甲基硅烷和双(9-蒽基)二甲基硅烷更长的波长处,观察到在溶液状态下双二环[3.3.0]辛二烯基-桥联的双蒽的吸收和发射最大值。固态的V形双并二苯具有准分子发射,量子产率中等。

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