Synthesis and Spectra Characteristics of Novel 3-(para-Bromophenyl)-7-(substituted vinyl) Coumarins

被引：5

作者：

Wang, Lingyun ^{[1
]}

Zou, Hanxun ^{[1
]}

Ye, Decheng ^{[1
]}

Cao, Derong ^{[1
]}

机构：

[1] S China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510640, Guangdong, Peoples R China

来源：

JOURNAL OF HETEROCYCLIC CHEMISTRY | 2013年 / 50卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Coumarin; Wittig reaction; Synthesis; Photophysical properties; SENSITIZED SOLAR-CELLS; LIVING CELLS; DYES; DERIVATIVES; PROBE; HG2+;

D O I：

10.1002/jhet.1524

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Five new coumarin derivatives () with extending para-bromophenyl at the 3-position and substituted vinyl at the 7-position were synthesized and characterized by FT-IR, 1H NMR, and element analysis. The absorption and fluorescence characteristics of compounds showed significant dependences on its molecular structure, which possessed large Stokes shifts (up to 8309cm-1) and high fluorescence quantum yield (up to 0.80) in CH2Cl2. These advantageous spectral properties should allow use in many areas.

引用

页码：551 / 556

页数：6

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