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Tripodia pseudorotaxane supramolecular gel based on trimesoyl chloride and preparation and application of metal gel
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A technology of trimesoyl chloride and supramolecular gel, which is applied in gel preparation, analytical materials, colloid chemistry, etc., and can solve the problems of complicated operation, expensive equipment, and unsuitable
Inactive Publication Date: 2019-03-29
NORTHWEST NORMAL UNIVERSITY
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However, these methods are more complicated to operate, and the equipment is expensive, so it is not suitable to be put into practical application in large quantities.
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Embodiment 1、 3
[0052] Embodiment 1, the synthesis of tripod pseudorotaxane supramolecular organogel TP-Q
[0053] (1) Synthesis of pillar[5]arene TP: see T. Ogoshi, S. Kanai, S. Fujinami, T.Yamagishi and Y. Nakamoto, J. Am. Chem. Soc., 2008, 130, 5022 for details;
[0054] (2) Synthesis of 4-aminopyridine-functionalized trimesoyl chloride gelling factor Q: see X.Z. Luo, X. J. Jia, J. H. Deng, J. L. Zhong, H. J. Liu, K. J. Wang, and D. C.Zhong, J. Am. Chem. Soc., 2013, 135, 11684-11687;
[0055] (3) Synthesis of tripod pseudorotaxane supramolecular organogel (TP-Q): Weigh 4-aminopyridine-functionalized trimesoyl chloride gel factor Q (4.1mg, 0.0093mmol) and put it on the column[5] Aromatic TP (20.2 mg, 0.027 mmol), added to 0.5 mL DMSO-HO 2 O (0.3 mL DMSO, 0.2 mL H 2 O), fully dissolved under heating to obtain a transparent solution; cooled to room temperature, the transparent solution formed a stable supramolecular organogel TP-Q.
Embodiment 2
[0056] Embodiment 2, TP-Q fluorescent recognition Fe 3+
[0057] Take 13 small amounts (about 0.02g) of organogel TP-Q on a white drip plate, and add 20 μL of different cations (C=0.1moL / L, Mg 2+ , Ca 2+ , Cr 3+ , Fe 3+ ,Co 2+ , Ni 2+ , Cu 2+ , Zn 2+ , Ag + , Cd 2+ , Hg 2+ , Pb 2+ ) in aqueous solution. Observe the fluorescence color change under the ultraviolet light. If the fluorescence color of organogel TP-Q changes from blue-white to black, it means that Fe is added. 3+ Solution, if the fluorescent color of TP-Q does not change, it means that the aqueous solution of other cations is added.
Embodiment 3
[0058] Embodiment 3, supramolecular metal gel TP-Q+Fe 3+ preparation of
[0059] Weigh column [5] arene TP (20.2 mg, 0.027 mmol), 4-aminopyridine functionalized trimesoyl chloride gelling factor Q (4.1 mg, 0.0093 mmol) and ferricperchlorate hexahydrate (4.6 mg, 0.010 mmol), added together to 0.5mL DMSO-H 2 O (0.3 mL DMSO, 0.2 mL H 2 O), heated to dissolve it, and cooled to room temperature to form a supramolecular organogel based on tripod quasirotaxane (TP-Q+Fe 3+ ).
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Abstract
The invention discloses tripodia pseudorotaxane supramolecular organic gel based on trimesoyl chloride. According to the tripodia pseudorotaxane supramolecular gel based on the trimesoyl chloride, thepillar[5]arene and 4-aminopyridine functionalized trimesoyl chloride is fully dissolved into DMSO-H2O under the heating condition so as to obtain a transparent solution; cooling is carried out to reach room temperature so as to form the stable supramolecular organic gel TP-Q with blue and white aggregation-state fluorescence; a series of cationic solutions are added into the TP-Q, and fluorescencequenching can be realized only by adding Fe3+>, so that the TP-Q can specifically and selectively recognize the Fe3+>; and the tripodia pseudorotaxane supramolecular organic gel and ferricperchlorate hexahydrate are heated and dissolved in the DMSO-H2O, then cooling is carried out so as to obtain metal organic gel, when a series of anions are added into the metal gel separately, the fluorescence of the metal gel can be opened only by adding F<->, the fluorescence is changed into blue and white from black, and therefore high-sensitivity detection of the F<-> is realized.
Description
technical field [0001] The invention relates to a tripod quasirotaxane supramolecular gel based on trimesoyl chloride and the selective fluorescence recognition of the supramolecular organogel. 3+ application in; the present invention also relates to a metal organic gel based on the tripod quasirotaxane supramolecular gel and the metal gel in the selective fluorescence recognition F - The application of the invention belongs to the technical field of supramolecular organogel and the technical field of ion detection. Background technique [0002] Supramolecular organogels are low-molecular-weight organic compounds (gelling factors) that undergo multiple hydrogen bonds, van der Waals forces, π-π Supramolecular (soft) materials formed by self-assembly of weak interactions between molecules such as stacking and hydrophilic-hydrophobic interactions. This kind of material has the unique advantages of both solid materials and liquid materials: supramolecular organogel molecules m...
Claims
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