| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 10266624 | Dyes and Pigments | 2005 | 10 Pages |
Abstract
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.
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Physical Sciences and Engineering
Chemical Engineering
Chemical Engineering (General)
Authors
Anatoliy L. Tatarets, Irina A. Fedyunyaeva, Ewald Terpetschnig, Leonid D. Patsenker,