New Thermotropic Dyes Based on Amino-Sub
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Stefan Becker; Arno BΓΆhm; Klaus MΓΌllen
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Article
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2000
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John Wiley and Sons
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English
β 193 KB
We report on an facile multigram synthesis of novel thermotropic dyes. When these dyes are heated they undergo an irreversible change from a photostable primary color to a photostable secondary color. Our concept is based on thermally initiated fragmentation to afford a chromophore with a donor and