Synthesis and solid-state fluorescence properties of pentacyclic 7-substituted-indeno[1',2':4,5] pyrido [2,1-a] isoindol-5-ones

被引：6

作者：

Chamas, Z. ^{[1
]}

Marchi, E. ^{[2
]}

Presson, B. ^{[1
]}

Aubert, E. ^{[3
]}

Fort, Y. ^{[1
]}

Ceroni, P. ^{[2
]}

Mamane, V. ^{[1
]}

机构：

[1] Univ Lorraine, UMR CNRS 7565, Lab SRSMC, F-54506 Vandoeuvre Les Nancy, France

[2] Univ Bologna, Dept Chem G Ciamician, I-40126 Bologna, Italy

[3] Univ Lorraine, UMR CNRS 7036, Lab CRM2, F-54506 Vandoeuvre Les Nancy, France

来源：

RSC ADVANCES | 2015年 / 5卷 / 04期

基金：

欧洲研究理事会;

关键词：

PHOTOLUMINESCENCE; DERIVATIVES;

D O I：

10.1039/c4ra12155d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

With the aim to design fluorescent solids, a series of indeno[10,20: 4,5] pyrido[2,1-a] isoindol-5-ones with various substituents was prepared. In these pi-extended pentacyclic derivatives, the presence of a methyl group in the 7-position was found to have a critical influence on the fluorescence properties in the solid state. Crystal packing of the non-substituted derivatives shows strong p-p interactions causing quenching of the fluorescence. In contrast, by introducing a methyl substituent in the 7-position we obtained compounds with fluorescence quantum yield up to 32% in the solid state.

引用

页码：2715 / 2723

页数：9

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