Chiral Luminescent Aza[7]helicenes Functionalized with a Triarylborane Acceptor and Near-Infrared-Emissive Doublet-State Radicals

Jiaxian Duan, Yafei Shi, Fei Zhao, Chenglong Li, Zhihua Duan, Niu Zhang*, Pangkuan Chen*

*此作品的通讯作者

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4 引用 (Scopus)

摘要

This paper presents new chiral luminescent molecules (N7-BMes2 and N7-TTM) using configurationally stable aza[7]helicene (1) as a universal heteroatom-doped chiral scaffold. The respective reactions of electron-donating 1 with a triarylborane acceptor via palladium-catalyzed Buchwald-Hartwig C-N coupling and with the open-shell doublet-state TTM radical via nucleophilic aromatic substitution (SN2Ar) resulted not only in tunable emissions from blue to the NIR domain but also in significantly enhanced emission quantum efficiency up to Φ = 50%.

源语言英语
页(从-至)15829-15833
页数5
期刊Inorganic Chemistry
62
39
DOI
出版状态已出版 - 2 10月 2023

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