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Synthesis, self-assembly, metal binding properties of triazole azobenzene based polycatenar dyes through click chemistry
Dyes and Pigments ( IF 4.1 ) Pub Date : 2017-10-16 , DOI: 10.1016/j.dyepig.2017.10.025
Huiru Chen , Ruilin Zhang , Hongfei Gao , Huifang Cheng , Haipeng Fang , Xiaohong Cheng

Two series of novel polycatenar dyes consisting of a triazole azobenzene core were synthesized efficiently by copper-catalyzed azide-alkyne cycloaddition (CuAAC) reaction. These compounds can self-assemble into SmC and Colhex/p6mm liquid-crystalline phases, and form multistimuli responsive organogels. Bicontinuous cubic phase (CubV) could be induced in the binary system of a bicatenar compound with SmC phase and a hexacatenar compound with Colhex/p6mm phase. Photophysical investigation indicates that these compounds have reversible photoresponsive properties in solution, liquid-crystalline and gel states. They can also act as chemosensors of Fe3+ and sodium dithionite with high selectivity.



中文翻译:

通过点击化学合成三唑偶氮苯基聚邻苯二胺染料的合成,自组装和金属结合性能

通过铜催化的叠氮化物-炔烃环加成反应(CuAAC)有效地合成了由三唑偶氮苯核组成的两类新型聚对苯二酚染料。这些化合物可以自组装成SmC和Col hex / p 6 mm液晶相,并形成多刺激响应性有机凝胶。双连续立方相(Cub V)可以在具有SmC相的双catenar化合物和具有Col hex / p 6 mm相的hexacatenar化合物的二元体系中诱发。光物理研究表明,这些化合物在溶液状态,液晶状态和凝胶状态下具有可逆的光响应特性。它们还可以充当Fe的化学传感器3+和连二亚硫酸钠具有高选择性。

更新日期:2017-10-16
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