Synthesis of photochromic benzopyrans annulated by 15(18)-crown-5(6) ether

被引：0
|
作者：
S. V. Paramonov
O. A. Fedorova
V. P. Perevalov
V. Lokshin
V. Khodorkovsky
机构：
[1] D. I. Mendeleev University of Chemistry and Technology of Russia,
[2] Centre Interdisciplinaire de Nanoscience de Marseille (CINaM,undefined
[3] CNRS),undefined
来源：
Russian Chemical Bulletin | 2008年 / 57卷
关键词：
photochromism; crown ether; chromene; UV-Vis absorption spectra; bleaching kinetics;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The reaction of hydroxy-substituted benzo-15(18)-crown-5(6) ether or benzo-18-crown-6 ether with β-phenylcinnamaldehyde in the presence of titanium tetraethoxide yielded crown-annulated 2,2-diphenylbenzopyrans. The compounds are photochromic, and the spectral characteristics of their colored form are unusual for this class of chromenes.
引用
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页码：2381 / 2384
页数：3
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