Crumbach Merian, Bachmann Jonas, Fritze Lars, Helbig Andreas, Krummenacher Ivo, Braunschweig Holger, Helten Holger
Institute of Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with Boron (ICB), Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany.
Angew Chem Int Ed Engl. 2021 Apr 19;60(17):9290-9295. doi: 10.1002/anie.202100295. Epub 2021 Mar 17.
Access to dithiophene-fused oxadiborepins and the first azadiborepins attained via a modular synthesis route are presented. The new compounds emit intense blue light, some of which demonstrate fluorescence quantum yields close to unity. Cyclic voltammetry (CV) revealed electrochemically reversible one-electron reduction processes. The weak aromatic character of the novel 1,2,7-azadiborepin ring is demonstrated with in-depth theoretical investigations using nucleus-independent chemical shift (NICS) scans and anisotropy of the induced current density (ACID) calculations.
本文介绍了通过模块化合成路线获得的二噻吩稠合氧杂二硼戊环和首个氮杂二硼戊环。这些新化合物发出强烈的蓝光，其中一些的荧光量子产率接近1。循环伏安法（CV）揭示了电化学可逆的单电子还原过程。通过使用独立于核的化学位移（NICS）扫描和感应电流密度各向异性（ACID）计算进行深入的理论研究，证明了新型1,2,7-氮杂二硼戊环的弱芳香性。
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