期刊
TETRAHEDRON
卷 66, 期 19, 页码 3553-3563出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2010.02.094
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资金
- National Natural Science Fundation of China [20502024]
- Innovation III of Changchun Institute of Applied Chemistry [CX07QZJC-02]
A new family of 1,3,5-triphenylbenzene-based organogelators with approximately identical side chain length have been synthesized and fully characterized. The molecular aggregation can be promoted by hydrogen-bonding and van der Was interaction. The magnitudes of hydrogen bonding interactions between the linkers on the triphenylbenzene cores are qualitatively in the order of -CONHNHCO-, -NHCONH->-NHCO->-CONH->-NHCSNH-, consequently resulting in different gelation behaviors. The sol-gel transitions of gels 3 and 4 in toluene are thermodynamically reversible, while the formations of gels 2 and 5 in dioxane are kinetically controlled. The urea-based gel 2 can selectively recognize F ion. (C) 2010 Elsevier Ltd. All rights reserved.
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