一种双桥联双（苯乙炔基）苯：不同于扭曲的托伦。
A Doubly Bridged Bis(phenylethynyl)benzene: Different from a Twisted Tolan.
作者信息
Hodecker Manuel, Kozhemyakin Yury, Weigold Svenja, Rominger Frank, Freudenberg Jan, Dreuw Andreas, Bunz Uwe H F
机构信息
Interdiziplinäres Zentrum für Wissenschaftliches Rechnen, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 205, 69120, Heidelberg, Germany.
Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany.
出版信息
Chemistry. 2020 Dec 18;26(71):16990-16993. doi: 10.1002/chem.202002552. Epub 2020 Nov 24.
The synthesis of a doubly bridged 1,4-bis(phenylethynyl)benzene is reported. The target displays photophysical properties, distinctly different from that of its congeners, the singly bridged tolans. Quantum-chemical calculations suggest a lack of planarization of the bridged bis(phenylethynyl)benzene in the first excited state.
报道了一种双桥连的1,4-双（苯乙炔基）苯的合成。该目标化合物表现出与单桥连的托伦类同系物明显不同的光物理性质。量子化学计算表明，桥连双（苯乙炔基）苯在第一激发态缺乏平面化。
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