Synthesis and photophysical study of novel coumarin based styryl dyes

被引：21
作者：
Sanap, Anita K. [1 ]
Sanap, Kailas K. [2 ]
Shankarling, Ganapati S. [1 ]
机构：
[1] Inst Chem Technol, Dyestuff Technol Dept, Bombay 400019, Maharashtra, India
[2] NB Mehta Sci Coll, Dept Chem, Palghat 401701, Maharashtra, India
来源：
DYES AND PIGMENTS | 2015年 / 120卷
关键词：
Phenothiazine; Coumarin; Fluorescence; Solvatochromism; Biscoumarinylethene; Carbazole; DONOR-ACCEPTOR MOLECULES; CARBAZOLE; BIOCATALYST;
D O I：
10.1016/j.dyepig.2015.04.018
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
New organic dyes comprising phenothiazine, carbazole, indole, diphenylamine moieties, as the electron donors, and coumarin ring as the electron acceptor through ethylenic pi bridge were synthesized and characterized. The reaction of different coumarin-4-acetic acids with phenothiazine-3-carbaldehyde in the presence of piperidine in methanol gives highly fluorescent styryl derivatives having cis configuration of ethylenic double bond. Under similar conditions 7-methylcoumarin-4-acetic acid was condensed with indole-3-carbaldehyde, carbazole-3-carbaldehyde, and diphenyl amine aldehyde to give different styryl derivatives with trans configuration of ethylenic double bond. Synthesized compounds were also studied for photophysical properties and show solvatochromism. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：190 / 199
页数：10
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