Si-Bridged annulated BODIPYs: synthesis, unique structure and photophysical properties

被引：16

作者：

Feng, Siyang ^{[1
]}

Qu, Zhirong ^{[1
]}

Zhou, Zhikuan ^{[1
]}

Chen, Jiaying ^{[1
]}

Gai, Lizhi ^{[1
]}

Lu, Hua ^{[1
]}

机构：

[1] Hangzhou Normal Univ, Coll Mat Chem & Chem Engn, Key Lab Organosilicon Chem & Mat Technol, Minist Educ, Hangzhou 311121, Zhejiang, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2021年 / 57卷 / 88期

基金：

中国国家自然科学基金;

关键词：

FLUORESCENCE; PROBES; DYES;

D O I：

10.1039/d1cc04687j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Two novel Si-bridged meso-annulated BODIPY dyes have been prepared through intermolecular C-I silylation and subsequent intramolecular C-H silylation in a one-pot reaction. A marked redshift of the main spectral bands was observed since the efficient sigma*-pi* conjugation results in a notable stabilization of the LUMOs. Si-annulation blocks the non-radiative decay and contributes to higher fluorescence quantum yields. This strategy is very attractive for the construction of highly emissive polycyclic aromatic hydrocarbons.

引用

页码：11689 / 11692

页数：4

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