Photochromic dihetarylethenes 10. Photochromic 1,2-bis[2-(benzothiazol-2-yl)-3-thienyl]- and 1,2-bis[2-(benzothiazol-2-yl)benzothiophen-3-yl]ethenes

被引：4
|
作者：
Krayushkin, MM
Stoyanovich, FM
Zolotarskaya, OY
Murav'ev, IV
Martynkin, AY
Uzhinov, BM
机构：
[1] Russian Acad Sci, ND Zelinskii Organ Chem Inst, Moscow 119991, Russia
[2] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119899, Russia
来源：
RUSSIAN CHEMICAL BULLETIN | 2001年 / 50卷 / 12期
关键词：
1,2-bis(2-benzothiazolylhetaryl)ethenes; 1,2-dithienylethenes; 1,2-diarylethenes; photochromes; thermal reversibility; fluorescence;
D O I：
10.1023/A:1015052017059
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Dithienylethenes containing the thiophene rings with benzothiazolyl substituents in position 2 were synthesized. 1,2-Bis]2-(benzothiazol-2-yl)benzothiophen-3-yl]hexafluorocyclopentene and 1,2-bis]2,5-di(benzothiazol-2-yl)-3-thienyl]hexafluorocyclopentene possess photochromic properties. The open forms of 1,2-bis(2-benzothiazolyhetaryl)ethenes fluoresce, but introduction of the benzothiazole rings into dihetarylethenes significantly lowers the fatigue resistance of photochromes and favors thermal reversibility.
引用
收藏
页码：2420 / 2423
页数：4
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