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Synthesis of 6-(10-Alkylphenothiazine-3-vinylene)-2-methyl-4-dicyanomethylene-4H-pyran  

Chung, Pyung Jin (Department of Materials Science and Engineering, Dankook University)
Sung, Jin Hee (Department of Materials Science and Engineering, Dankook University)
Publication Information
Applied Chemistry for Engineering / v.18, no.6, 2007 , pp. 587-591 More about this Journal
Abstract
6-(10-Alkylphenothiazine-3-vinylene)-2-methyl-4-dicyanomethylene-4H-pyran derivatives were synthesized by Knoevenagel condensation. They are red-emitting materials for organic light emitting device (OLED) which composed of electron donor of 6-(10-Alkylphenothiazine-3-vinylene) groups and electron acceptor of -2-methyl-4-dicyanomethylene-4H-pyran groups by a conjugated structure. The structural properties of reaction products were analyzed FT-IR and $^1H-NMR$ spectroscopy. The thermal stabilities and reactivities were measured by melting points and yields. The UV-visibles and PL properties can be determined by exitation spectra and emission spectra, respectively.
Keywords
2,6-dimethyl-4-dicyanomethylene-4H-pyran; 10-methylphenothiazine; 10-hexylphenothiazine; 10-methylphenothia-zine-3-carbaldehyde; 10-hexylphenothiazine-3-carbaldehyde; 6-(10-methylphenothiazine-3-vinylene)-2-methyl-4-di-cyanomethylene-4H-pyran; 6-(10-hexylphenothiazine-3-vinylene)-2-methyl-4-dicyanomethylene-4H-pyran;
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