Synthesis of novel squaraine dyes and their intermediates

被引:70
作者
Tatarets, AL
Fedyunyaeva, IA
Terpetschnig, E
Patsenker, LD
机构
[1] SETA BioMed LLC, Torrance, CA 90505 USA
[2] Natl Acad Sci Ukraine, Inst Single Crystals, UA-61001 Kharkov, Ukraine
关键词
dyes; synthesis; fluorescence; squaraines;
D O I
10.1016/j.dyepig.2004.05.003
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
We investigate the reactions of mono-substituted squaraines with CH-acidic nucleophiles, heterocyclic methylene bases and thionating reagents. The reactions of mono-substituted squaraines with malononitrile, cyano- and nitroacetic esters, barbituric acid, 1,3-indanedione, NaHS and P4S10 lead to ring-substituted mono-squaraines. These intermediates are useful for the synthesis of novel squaraine dyes with interesting photophysical properties. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码:125 / 134
页数:10
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