Tristriazolotriazines with [pi]-Conjugated Segments: Star-Shaped Fluorophors and Discotic Liquid Crystals

Tristriazolotriazines with [pi]-Conjugated Segments: Star-Shaped Fluorophors and Discotic Liquid Crystals

C3-symmetrical tristriazolotriazines substituted with phenylene rings carrying lateral flexible alkoxy side chains were prepared via condensation/ring transformation of cyanuric chloride and tetrazoles. These star-shaped, planar compounds can form broad thermotropic mesophases. Due to the extensive...

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Veröffentlicht in:Advances in Science and Technology 2012-09, Vol.77, p.118
Hauptverfasser: Glang, Stefan, Borchmann, Dorothee, Rieth, Thorsten, Detert, Heiner
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creator Glang, Stefan
Borchmann, Dorothee
Rieth, Thorsten
Detert, Heiner
description C3-symmetrical tristriazolotriazines substituted with phenylene rings carrying lateral flexible alkoxy side chains were prepared via condensation/ring transformation of cyanuric chloride and tetrazoles. These star-shaped, planar compounds can form broad thermotropic mesophases. Due to the extensive π-conjugation, these compounds are highly emissive and the octupolar donor-acceptor electronic structure results in non-linear optical properties like solvatochromism. Brønstedt acids provoke halochromism of the absorption and of the fluorescence.
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title Tristriazolotriazines with [pi]-Conjugated Segments: Star-Shaped Fluorophors and Discotic Liquid Crystals
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