Novel asymmetric dihetarylethenes derived from N-isopropylindole and thiophene: synthesis and photochromic properties

被引：0
|
作者：
N. I. Makarova
E. N. Shepelenko
A. V. Metelitsa
V. A. Bren’
V. I. Minkin
机构：
[1] Southern Federal University,Research Institute of Physical and Organic Chemistry
[2] Southern Scientific Center of the Russian Academy of Sciences,undefined
来源：
Russian Chemical Bulletin | 2013年 / 62卷
关键词：
furan-2,5-dione; pyrrole-2,5-dione; dihetarylethene; synthesis; photochromism; fluorescence;
D O I：
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摘要：
Novel asymmetric dihetarylethenes, viz., 3-(1-isopropyl-5-methoxy-2-methyl-1H-indol-3-yl)-4-(3-thienyl)furan-2,5-dione and 1-alkyl/aryl-3-(1-isopropyl-5-methoxy-2-methyl-1H-indol-3-yl)-4-(3-thienyl)-1H-pyrrole-2,5-diones, were obtained. These dihetarylethenes exhibit photochromism in solutions. Replacement of the N-methyl group in the indole fragment by the N-isopropyl group imparts photochromic properties to the resulting furan-2,5-dione derivative. The open forms of (N-isopropylindol-3-yl)pyrrole-2,5-diones are characterized by lower quantum yields of fluorescence, and their cyclic forms are thermally more stable.
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页码：2424 / 2429
页数：5
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