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
本文提出了新的手性发光分子(N7-BMes2和N7-
TTM),使用构型稳定的氮杂[7]螺烯 ( 1 ) 作为通用的杂原子掺杂手性支架。给电子1与三芳基
硼烷受体通过
钯催化的 Buchwald-Hartwig C-N 偶联反应以及通过亲核芳香取代 (S N 2Ar) 与开壳双态
TTM 自由基的反应不仅产生了可调节的发射蓝色到近红外域的同时还显着提高了发射量子效率高达 Φ = 50%。