Gu Shijun, Ma Zhihao, Lu Xiuqin, Tanaka Takayuki, Osuka Atsuhiro, Chen Fengkun
State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China.
Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan.
Chem Commun (Camb). 2024 Jun 13;60(49):6264-6267. doi: 10.1039/d4cc01598c.
Herein we report the first synthesis of a tetrabenzotetrathia[8]circulene by a "fold-in" type oxidative fusion reaction. Compared to the pristine tetrathia[8]circulene, the four-fold benzoannulation slightly weakened the antiaromatic character of the central COT ring. The tetrabenzotetrathia[8]circulene exhibited fluorescence at room temperature, and phosphorescence at 77 K with a phosphorescence quantum yield of 11.7%.
在此，我们报道了通过“折叠式”氧化融合反应首次合成四苯并四硫杂[8]轮烯。与原始的四硫杂[8]轮烯相比，四倍苯并环化略微削弱了中心COT环的反芳香性。四苯并四硫杂[8]轮烯在室温下表现出荧光，在77 K下表现出磷光，磷光量子产率为11.7%。
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