Organogelator, organogel with double responses and preparation method of organogel

A technology of organic gelling factors and organic gels, which is applied in the field of supramolecular chemistry, can solve the problems of lack of research on organic gelling factors, and achieve the effect of good gelling ability

Inactive Publication Date: 2017-04-19
SHENZHEN UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the above-mentioned deficiencies in the prior art, the object of the present invention is to provide a small molecule organogel factor with dual response and its preparation method, aiming to solve the problem of both colorimetric response and state response visible to the naked eye in the prior art. The lack of research on organogelatin factors

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  • Organogelator, organogel with double responses and preparation method of organogel
  • Organogelator, organogel with double responses and preparation method of organogel
  • Organogelator, organogel with double responses and preparation method of organogel

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[0051] combine image 3 , image 3 It is the synthetic route diagram of N-(3,4-alkoxybenzoyl)-N'-(4'-nitrobenzoyl)hydrazine of this example. The specific synthesis and structural characterization are as follows:

[0052] 1), methyl 3,4-dialkoxybenzoate (B n , n=16 or 12) synthesis and structural characterization

[0053] Methyl 3,4-hexadecyloxybenzoate (B 16 ) preparation: Dissolve 3.36g (0.02mol) methyl 3,4-dihydroxybenzoate in an appropriate amount of acetone, add 12.5mL hexadecane bromide, 4g anhydrous potassium carbonate, 0.08g potassium iodide, stir and reflux for 35 hours . After the reaction was completed, filter while it was hot, discard the filter residue, put the filtrate into the refrigerator to cool for 5 hours, and then filter to obtain the crude product. The crude product was recrystallized with absolute ethanol and dried to obtain 10.6 g of white powder (methyl 3,4-hexadecyloxybenzoate), yield: 86%.

[0054] Methyl 3,4-hexadecyloxybenzoate (B 16 ) is cha...

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Abstract

The invention discloses an organogelator, organogel with double responses and a preparation method of the organogel. The organogelator is N-(3,4-alkoxybenzoyl)-N'-(4'-nitrobenzoyl) hydrazine, and a structure formula of the organogelator is defined in the specification, wherein n is 12 or 16. The micromolecular organogelator, namely, N-(3,4-alkoxybenzoyl)-N'-(4'-nitrobenzoyl) hydrazine, has a negative ion identification function and has a good gel capability in various organic solvents such as methylbenzene, benzene, trichloroethylmethane and the like; in a gel state, molecules are aggregated into a fiber structure, the fiber diameter range is about 200nm, a main driving force of forming the organogel is an intermolecular hydrogen bond between hydrazide groups, and a Van der Waals force between alkyl chains also achieves a certain effect in the gel forming process; and macroscopic double responses, namely, a state response and a colorimetric response, are displayed for fluorine ions.

Description

technical field [0001] The invention relates to the technical field of supramolecular chemistry, in particular to an organic gel factor, an organic gel with dual responses and a preparation method thereof. Background technique [0002] In recent years, small-molecule organogels have been favored by researchers for their potential application prospects in optoelectronic devices, template materials, sensors, shape memory, and gene transfer devices. With the deepening of research, it is found that small molecule organogels can react with some anions to undergo a gel-to-solution transition (state response) or produce a color change (colorimetric response), which can be achieved by means of gels. Solid substances recognize anions, and anion recognition probes based on the colorimetric sensing properties of small molecules and anions have been developed. [0003] The research on anion recognition is of great significance in many fields such as life, environment and materials. So...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C241/04C07C243/38B01J13/00
CPCB01J13/0065C07C241/04C07C243/38
Inventor 辛红曹慧群魏波黄蕾林丽蓉
Owner SHENZHEN UNIV
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