发光
手性(物理)
位阻效应
超分子化学
化学
对映体
分子内力
支柱
超分子手性
光化学
立体化学
材料科学
分子
有机化学
光电子学
物理
手征对称破缺
结构工程
量子力学
Nambu–Jona Lasinio模型
工程类
夸克
作者
Jinfa Chen,Xiaodong Yin,Kai Zhang,Zeang Zhao,Songhe Zhang,Niu Zhang,Nan Wang,Pangkuan Chen
标识
DOI:10.1021/acs.joc.1c01175
摘要
We first describe two examples of highly luminescent organoboranes (NP5BN1 and NP5BN2) with dual chirality that were achieved by molecular functionalization of planar chiral pillar[5]arenes with naphthyls. Sufficiently strong steric effects are imposed by triarylamine (Ar3N) and triarylborane (Ar3B) moieties and further enhanced by the proximity of the chiral building blocks, leading to the isolation of multiple enantiomers via chiral high-performance liquid chromatography. The intramolecular charge transfer from N-donor to B-acceptor across both chiral subunits enabled the circularly polarized luminescence and thermally robust colorimetric responses in their emissions. Furthermore, their remarkable host–guest chemistry was allowed at no expense in the pursuit of advanced chiroptical properties using pillar[5]arene-based supramolecular scaffolds.
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