Control the self-assembly of fluorenone-based polycatenars by tuning chain length |
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| Authors: | Kai Zhao Yulong Xiao Chunxiang Guo Qing Chang Hongfei Gao Xiaohong Cheng |
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| Institution: | 1. Key Laboratory of Medicinal Chemistry for Natural Resources, Chemistry School of Chemical Science and Technology, Yunnan University, Kunming, Yunnan, 650091, PR China;2. Guangdong Food and Drug Vocational-technical School, Guangzhou, Guangdong, 510663, PR China |
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| Abstract: | Using Suzuki coupling reactions as key steps, a series of fluorenone-based polycatenars, consisting of a central 2,7-diphenyl-9-fluorenone core connected with the 3,4,5-trialkoxybenzoate unit via –COO- linkage at each side have been synthesized. Upon elongation of the terminal alkyl chain, these compounds self-assembled into mesophase sequence of Colhex/p6mm - CubI/ in solid states as well as organogels with interesting morphologies varied from 3D helical fibers to spherical structures in solvents. |
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| Keywords: | Fluorenone Polycatenar Self-assembly Liquid crystal Organogel |
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