Preparation of supermolecule gel factor based on three-column [5] aromatic hydrocarbon and organic gel thereof and application

A technology of supramolecular gel and organogel, applied in the field of organogel and recognition of Hg2+ in fluorescence, supramolecular gel factor and its synthesis, can solve the problem that the stimulus response properties have not been widely studied
CN108658804AInactive Publication Date: 2018-10-16NORTHWEST NORMAL UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NORTHWEST NORMAL UNIVERSITY
Publication Date
2018-10-16
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses preparation of a supermolecule gel factor based on three-column [5] aromatic hydrocarbon. The supermolecule gel factor is a complex organic gel factor which is synthesized fromamide modified column [5] aromatic hydrocarbon and trimesoyl chloride through a nucleophilic substitution reaction and is based on column aromatic hydrocarbon. According to the gel factor, blue organic gel with aggregation state induction florescence can be formed in cyclohexanol through C-H...pi,pi...pi accumulation and Van der Waals' force. In the organic gel, water solutions of Hg<2+>, Ca<2+>,Mg<2+>, Ni<2+>, Cr<3+>, Cd<2+>, Pb<2+>, Ag<+>, Zn<2+>, Ba<2+>, La<3+>, La<3+>, Eu<3+> and Tb<3+> are respectively added, only addition of Hg<2+> can quench blue florescence of the organic gel, and addition of other cationic ions does not remarkably influence fluorescence intensity of the organic gel, so that specific fluorescence detection on Hg<2+> can be achieved, and a detection limit is 1.02*10<-8>M.
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Description

technical field

[0001] The present invention relates to a supramolecular gelling factor based on three pillars [5] arene and its synthesis; the present invention also relates to an organogel based on the gelling factor and also recognizes Hg in fluorescence 2+ The application of the invention belongs to the field of compound synthesis and the technical field of cation detection. Background technique

[0002] Pillar arenes are a kind of cyclic oligomers formed by linking hydroquinone or hydroquinone ether at the para-position of the benzene ring through the methylene group. Since Ogoshi named this macrocyclic molecule with special properties in 2008, pillararene has experienced rapid development from preliminary synthesis, structure exploration, further functionalization, exploration of host-guest complexation properties, and self-assembly research. Its position in supramolecular host-guest chemistry is increasingly prominent. Due to their excellent properties, pillararenes...

Claims

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