Synthesis, self-assembly, metal binding properties of triazole azobenzene based polycatenar dyes through click chemistry
Synthesis, self-assembly, metal binding properties of triazole azobenzene based polycatenar dyes through click chemistry
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通过点击化学合成、自组装、三唑偶氮苯基聚链状染料的金属结合性能
DOI：
10.1016/j.dyepig.2017.10.025
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发表时间：
2018-02-01
影响因子：
4.5
通讯作者：
Cheng, Xiaohong
中科院分区：
文献类型：
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作者：
Chen, Huiru;Zhang, Ruilin;Cheng, Xiaohong
通过铜催化叠氮烯环加成反应(CuAAC)，高效地合成了两个以三氮唑偶氮苯为核的新型聚苯二烯染料。这些化合物可以自组装成SMC和Col(Hex)/p6 mm液晶相，并形成多刺激响应性有机凝胶。在含SMC相的二元化合物和含Col(Hex)/p6 mm相的六元化合物的二元体系中，可以形成双连续立方相(Cub(V))。光物理研究表明，这些化合物在溶液、液晶和凝胶状态下具有可逆光响应性。它们还可以作为Fe3+和连二亚硫酸钠的化学传感器，具有很高的选择性。
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 Col(hex)/p6mm liquid-crystalline phases, and form multistimuli responsive organogels. Bicontinuous cubic phase (Cub(v)) could be induced in the binary system of a bicatenar compound with SmC phase and a hexacatenar compound with Col(hex)/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.