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Nano supramolecular assembly body of fully methylated beta-cyclodextrin modified coronene derivative

A technology of supramolecular assembly and methylation, which is applied in the direction of analysis materials, measurement devices, material excitation analysis, etc., can solve problems such as application limitations, and achieve good selectivity and broad application prospects

Inactive Publication Date: 2017-05-10
NANKAI UNIV
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Problems solved by technology

However, limited by the structural characteristics of the hexabenzocoronene molecule, these sensory detections reported so far can only be carried out in organic solvents, so further specific applications are greatly limited

Method used

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  • Nano supramolecular assembly body of fully methylated beta-cyclodextrin modified coronene derivative
  • Nano supramolecular assembly body of fully methylated beta-cyclodextrin modified coronene derivative
  • Nano supramolecular assembly body of fully methylated beta-cyclodextrin modified coronene derivative

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Embodiment

[0026] A nano-supramolecular assembly of permethylated β-cyclodextrin-modified hexabenzocoronene derivatives, the chemical formula of which is C 184 h 248 N 6 o 70 , its chemical structure is as follows:

[0027]

[0028] The supramolecular assembly is constructed through intermolecular π-π interactions, and its morphology scale is a nanoscale, rod-like aggregate; the preparation method steps are as follows:

[0029]1) Dissolve 200mg of propynyl-modified hexaphenylbenzene and 910mg of 6-deoxy-6-amino-permethylated-β-cyclodextrin in 50mL of N,N-dimethylformamide, add 47.5mg of iodide Cuprous, then heated to 80°C under the protection of nitrogen to react for 48 hours, filtered, spin-dried, and performed column chromatography with a mixed solution of dichloromethane and methanol at a volume ratio of 20:1 to obtain white permethylated β-Cycloglux modified hexaphenylbenzene;

[0030] 2) Dissolve the above-mentioned 400mg of permethylated β-cyclodextified hexaphenylbenzene i...

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Abstract

Provides is a nano supramolecular assembly body of a fully methylated beta-cyclodextrin modified coronene derivative. A chemical formula of a construction unit of the assembly body is C184H248N6O70, a chemical structural formula of the assembly body is shown in the description, the supramolecular assembly body is established through intermolecular pi-pi interaction, the assembly body is a nanoscale and clubbed aggregate in morphological size. The nano supramolecular assembly body has the advantages that the preparation method of the nano supramolecular assembly body of the fully methylated beta-cyclodextrin modified coronene derivative is simple and convenient, the yield is high, the assembly body has good fluorescent properties; the supramolecular assembly body has good selectivity to nitro aroma compounds, has low detection limit to a polynitro explosive compound 2,4,6-trinitrophenol and has the wide application prospect in the field of fluorescence sensing detection.

Description

technical field [0001] The invention belongs to the technical field of nano-supramolecular materials, in particular to a nano-supramolecular assembly of hexabenzocoronene derivatives modified by fully methylated β-cyclodextrin. Background technique [0002] In recent years, as an important class of organic compounds, hexabenzocoronex has attracted more and more researchers' interest to explore the possible practical application of its special properties. Hexabenzocoronene is an important class of polycyclic aromatic hydrocarbons, also known as super benzene, and graphene, which is considered to be the smallest structural unit, is also called nano-graphene, see: (1) J.P.Hill, W.S.Jin, A. Kosaka, T. Fukushima, H. Ichihara, T. Shimomura, K. Ito, T. Hashizume, N. Ishiian and T. Aida, Science, 2004, 304, 1481-1483; (2) D. Lungerich, J.F. Hitzenberger , M. Marcia, F. Hampel, T. Drewello and N. Jux, Angew. Chem. Int. Ed., 2014, 53, 12231-12235. Due to its special physical and che...

Claims

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Application Information

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IPC IPC(8): C08B37/16C09K11/06G01N21/64
CPCC08B37/0012C09K11/06C09K2211/1466G01N21/643G01N2021/6432
Inventor 刘育喻杰陈湧王丽华
Owner NANKAI UNIV
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