Aryl/Heteroaryl Substituted Boron-Difluoride Complexes Bearing 2-(Isoquinol-1-yl)pyrrole Ligands Exhibiting High Luminescence Efficiency with a Large Stokes Shift,The Journal of Organic Chemistry

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Aryl/Heteroaryl Substituted Boron-Difluoride Complexes Bearing 2-(Isoquinol-1-yl)pyrrole Ligands Exhibiting High Luminescence Efficiency with a Large Stokes Shift
The Journal of Organic Chemistry ( IF 3.3 ) Pub Date : 2022-08-15 , DOI: 10.1021/acs.joc.2c01343
Takeo Nakano _{1,

2} , Shigenori Fujikawa _{1,

2}

Affiliation

A series of 2-(isoquinol-1-yl)pyrrole-boron complexes possessing (hetero)aryl substituents on the pyrrole and/or isoquinoline moiety were prepared. These compounds exhibited the fluorescence emission character in both solution and solid state. In most cases, the large Stokes shift and high fluorescence quantum yield in the solution were compatible. Furthermore, the structural diversity allowed the precise tuning of emitting colors from light blue to red with strong emission intensity. The present paper describes their comprehensive optical characteristics dependent on the type and position of the substituted aryl groups by the experimental and computational studies.

中文翻译：

带有 2-(Isoquinol-1-yl) 吡咯配体的芳基/杂芳基取代的二氟化硼配合物表现出高发光效率和大斯托克斯位移

制备了一系列在吡咯和/或异喹啉部分具有（杂）芳基取代基的 2-(isoquinol-1-yl)pyrrole-boron 配合物。这些化合物在溶液和固态都表现出荧光发射特性。在大多数情况下，溶液中的大斯托克斯位移和高荧光量子产率是相容的。此外，结构多样性允许精确调整从浅蓝色到红色的发射颜色，具有很强的发射强度。本论文通过实验和计算研究描述了它们依赖于取代芳基的类型和位置的综合光学特性。

更新日期：2022-08-15

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