Synthesis and characteristics of dicyanopyrazine dyes containing spiropyran group

被引：23

作者：

Lee, BH ^{[1
]}

Jaung, JY ^{[1
]}

机构：

[1] Hanyang Univ, Dept Fiber & Polymer Engn, Seoul 133791, South Korea

来源：

DYES AND PIGMENTS | 2003年 / 59卷 / 02期

关键词：

dicyanopyrazine; DAMN; spiropyran; ethynylation; fluorescence; photochromism; FLUORESCENCE; SPECTRA;

D O I：

10.1016/S0143-7208(03)00094-9

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

2,3-Dicyano-5-(4-ethynyl phenyl)-6-(4-alkoxy phenyl) pyrazines (10) were synthesized by the condensation reaction of diaminomalconitrile(DAMN) with 1-(4-alkoxy phenyl)-2-(4-ethynyl phenyl) ethanediones (9). And the coupling reaction of 1,3,3-trimethyl-6'-iodo-spiro [2H-benzopyran-2,2'-indoline] (14) with 10 gave the novel 2,3-dicyanopyrazine dyes (15) containing a spiropyran group. Compounds 15 had emission at 484 nm in chloroform solution as well as photochromic properties under UV irradiation. Their characteristics were evaluated by DSC, UV-visible and fluorescence spectroscopy. The combination of different functional dyes such as 2,3-dicyanopyrazines and spiropyran was successfully synthesized. (C) 2003 Elsevier Ltd. All rights reserved.

引用

页码：135 / 142

页数：8

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