Photophysical properties of donor-acceptor antiaromatic organoboron compounds based on dithienodiborinines

被引：0

作者：

Adachi, Yohei ^{[1
]}

Hasegawa, Takumi ^{[1
]}

Ohshita, Joji ^{[1
,2
]}

机构：

[1] Hiroshima Univ, Grad Sch Adv Sci & Engn, Smart Innovat Program, 1-4-1 Kagamiyama, Higashihiroshima, Hiroshima 7398527, Japan

[2] Hiroshima Univ, Digital Monozukuri Mfg Educ & Res Ctr, Div Mat Model Based Res, 3-10-32 Kagamiyama, Higashihiroshima, Hiroshima 7390046, Japan

来源：

CHEMISTRY LETTERS | 2024年 / 53卷 / 08期

关键词：

antiaromatic; boron; diborinine; BUILDING-BLOCKS; BOROLES; 9,10-DIHYDRO-9,10-DIBORAANTHRACENES; THIOPHENE;

D O I：

10.1093/chemle/upae161

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Boron-containing antiaromatics, such as diborinines and boroles, have sparked interest in materials chemists owing to their exciting optical properties and high Lewis acidity. In this study, we synthesized donor-acceptor (D-A) type diborinines fused with thiophene rings by introducing electron-donating amino-substituted aryl groups onto boron and elucidated their properties. The D-A type dithienodiborinines exhibited long-wavelength absorption arising from their D-A interactions and antiaromaticity. In addition, their fluorescence intensity increased under oxygen-free conditions, indicating thermally activated delayed fluorescence. Graphical Abstract

引用

页数：4

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