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Hexamethyl six-membered cucurbituril supramolecule self-assembled carrier and application thereof

A technology of self-assembly of hexamethyl-hexamelon and supramolecules, which is applied in the direction of luminescent materials, organic chemistry, chemical instruments and methods, etc., can solve the problems of limited development and application, complex preparation process, high processing cost, etc., and achieve the preparation method Convenience and quickness, wide application prospects, and simple preparation process

Active Publication Date: 2018-09-04
GUIZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Hexamethyl six-membered cucurbit ring is a low-content product in the process of cucurbit ring synthesis. In 2003, the Day research group reported the separation and characterization of hexamethyl six-membered cucurbit ring for the first time, but due to low yield and difficult separation, etc. , limiting its development and application
However, its application to fluorescent materials has not been reported
[0003] At the same time, there are many types of existing fluorescent materials, but there are defects such as complicated preparation process and high processing cost.

Method used

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  • Hexamethyl six-membered cucurbituril supramolecule self-assembled carrier and application thereof
  • Hexamethyl six-membered cucurbituril supramolecule self-assembled carrier and application thereof
  • Hexamethyl six-membered cucurbituril supramolecule self-assembled carrier and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] 1. Hexamethyl six-membered melon ring supramolecular self-assembly carrier, the structure diagram is as follows figure 1 shown; its molecular formula is:

[0037] C 42 h 106 N 24 o 41 . Its crystal data and structural details are shown in Table 1.

[0038] Table 1 Crystal data of the hexamethyl six-membered cucurbit ring supramolecular self-assembly carrier of the present invention

[0039]

[0040] 2. Preparation of hexamethyl six-membered cucurbit ring supramolecular self-assembly carrier: add hexamethyl six-membered cucurbit ring to neutral water, oscillate to make it dissolve, and obtain the product.

Embodiment 2

[0042] Production of red solid fluorescent material: Add hexamethyl hexa-membered cucurbit ring (0.126g, 0.1mmol) into 10mL neutral water, shake to dissolve, and obtain colorless crystals in neutral water within 5 days to obtain hexamethyl Six-membered melon ring supramolecular self-assembly carrier, the yield is 0.102g (81%);

[0043] Add the above-mentioned hexamethyl six-membered cucurbit ring supramolecular self-assembly carrier (10.0 mg) into 0.5 mL to a concentration of 5×10 -3 M's Rhodamine B in acetonitrile solution, shaken, and filtered to obtain red solid fluorescent material. The molecular structural formula of described Rhodamine B and its color change under sunlight and ultraviolet light are as follows: figure 2 shown.

Embodiment 3

[0045] Production of green fluorescent solid material: Add hexamethyl hexa-membered cucurbit ring (0.126g, 0.1mmol) into 10mL neutral water, shake to dissolve, and obtain colorless crystals in neutral water within 5 days to obtain hexamethyl Six-membered melon ring supramolecular self-assembly carrier, the yield is 0.102g (81%);

[0046]The above-mentioned hexamethyl six-membered cucurbit ring supramolecular self-assembly carrier (10.0 mg) was added to 0.5 mL to a concentration of 5 × 10 -3 M in the acetonitrile solution of fluorescein, shaken, and filtered to obtain a green solid fluorescent material. The molecular structural formula of the fluorescein and its color change under sunlight and ultraviolet light are as follows: image 3 shown.

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Abstract

The invention discloses a hexamethyl six-membered cucurbituril supramolecule self-assembled carrier and application thereof. The hexamethyl six-membered cucurbituril supramolecule self-assembled carrier is prepared from hexamethyl six-membered cucurbituril and a neutral aqueous solution which are used as raw materials. The carrier is of a multi-pore framework structure self-assembled on the basisof hexamethyl six-membered cucurbituril supramolecules. The structure can be used for preparing various solid fluorescent materials. The fluorescent material has a specific identification effect on specific volatile gas, and can be used for blending fluorescent materials in different colors, so that application of the hexamethyl six-membered cucurbituril is expanded. In addition, the fluorescent material of the invention has the characteristics of simple preparation process and low manufacturing cost.

Description

technical field [0001] The invention relates to the application of a hexamethyl six-membered cucurbit ring, in particular to a porous framework structure based on the hexamethyl six-membered cucurbit ring supramolecular self-assembly and its application. Background technique [0002] Cucurbit[n]uril, also known as cucurbit[n]uril, (abbreviated as CB[n] or Q[n]), named for its structure resembling pumpkin, is a macrocycle following crown ether, cyclodextrin and calixarene. Another new type of cage-like host compound after the compound. From the perspective of structural properties, the cucurbit ring has a highly symmetrical hydrophobic cavity and open and full of polar carbonyl oxygen atoms. The above characteristics of this structure make It can selectively include small molecules such as organic, inorganic and biomolecules of appropriate size in the solution state, or have a hydrophilic coordination with dipole or ionic compounds at the port. With the research With the dee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07D311/82C07C15/38C09K11/06C09K11/02C08G83/00
CPCC09K11/025C09K11/06C07C15/38C07D311/82C08G83/008C09K2211/1007C09K2211/1011C09K2211/1088
Inventor 王新新陶朱田飞扬黄赛
Owner GUIZHOU UNIV
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