In metal-organic frameworks (MOFs) material based on tridentate carboxylic acid ligands, and preparation method and application thereof

An organic framework, tridentate carboxylic acid technology, applied in chemical instruments and methods, analytical materials, luminescent materials, etc., can solve the problems of expensive and time-consuming testing, and achieve the effect of good stability and strong fluorescence

Active Publication Date: 2020-02-11
BEIJING UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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These methods require sophisticated analytical i...

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  • In metal-organic frameworks (MOFs) material based on tridentate carboxylic acid ligands, and preparation method and application thereof
  • In metal-organic frameworks (MOFs) material based on tridentate carboxylic acid ligands, and preparation method and application thereof
  • In metal-organic frameworks (MOFs) material based on tridentate carboxylic acid ligands, and preparation method and application thereof

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preparation example Construction

[0021] Organic ligand 5′-(4-carboxyphenyl)-2′,4′,6′-trimethyl-[1,1′:3′,1″-terphenyl]-4,4″-dicarboxy The preparation method of acid, comprises the steps:

[0022] Trimethylbenzene, HIO 4 2H 2 O and H 2 SO 4 Add acetic acid and water to the reactor, heat the system and cool it down to room temperature, a precipitate forms, filter it out, wash with water and acetone respectively, and finally get 1,3,5-triiodo-2, 4,6-trimethylbenzene;

[0023] Then 1,3,5-triiodo-2,4,6-trimethylbenzene, 4-methoxycarbonylphenylboronic acid, K 3 PO 4 Add to the reactor, add 1,4-dioxane and water to it, vacuumize the system-fill with nitrogen, add tetrakis(triphenylphosphine)palladium to the system, and react under inert gas protection for 24 hours to obtain di Methyl 5′-(4-(methoxycarbonyl)benzene)-2′,4′,6′-trimethyl-[1,1′:3′,1″-terphenyl]-4,4″- dicarboxylic acid.

[0024] Dimethyl 5′-(4-(methoxycarbonyl)benzene)-2′,4′,6′-trimethyl-[1,1′:3′,1″-terphenyl]-4,4 ″-Dicarboxylic acid is hydrolyze...

Embodiment 1

[0026] The organic ligand H 3 CTTA (0.01 mmol), and In(NO 3 ) 2 ·6H 2 O (0.04 mmol) was mixed evenly in 2.0 mL of N,N-dimethylformamide, 0.025 mL of nitric acid and 0.2 mL of deionized water were added, and sealed into a 4 mL glass vial. Crystals of the metal-organic framework were obtained via thermal reaction at 120°C for 24 hours.

Embodiment 2

[0028] The organic ligand H 3 CTTA (0.01 mmol), and In(NO 3 ) 2 ·6H 2 O (0.04 mmol) was mixed evenly in 2.0 mL of N,N-dimethylformamide, 0.025 mL of nitric acid and 0.1 mL of deionized water were added, and sealed into a 4 mL glass vial. Crystals of the metal-organic framework were obtained via thermal reaction at 100°C for 48 hours.

[0029] The test result of the product of above-mentioned embodiment gained is identical, specifically sees following:

[0030] (1) Determination of crystal structure:

[0031] A single crystal with a suitable size was selected under a microscope, and the data was collected using an Agilent Technologies SuperNova single crystal diffractometer at 100K. Data collection using Cu-Kα monochromated by graphite monochromator target ray. CrysAlisPro software was used for data collection and restoration. The crystal structure was solved by direct method using SHELXTL-97 program. The coordinates of all non-hydrogen atoms were determined by the di...

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Abstract

The invention discloses an In metal-organic frameworks (MOFs) material based on tridentate carboxylic acid ligands as well as a preparation method and application thereof, and belongs to the technicalfield of crystalline materials. The In MOFs material based on the tridentate carboxylic acid ligands have a chemical formula as [In(3)-(OH)(3)-(CTTA)(2)], wherein the H(3)-CTTA is 5'-(4-carboxyphenyl)-2',4',6'-trimethyl-[1',1':3',1''-p-terphenyl]-4,4''-dicarboxylic acid. The In MOFs material based on the tridentate carboxylic acid ligands is synthesized under closed conditions by the step of allowing solvothermal reaction of the organic ligands 5'-(4-carboxyphenyl)-2',4',6'-trimethyl-[1',1':3',1''-p-terphenyl]-4,4''-dicarboxylic acid (the 'H(3)-CTTA') with indium nitrate in N,N-dimethylformamide, thereby obtaining crystals of the MOFs material. The In MOFs material based on the tridentate carboxylic acid ligands displays rare water stability of In MOFs, and shows selective quenching by fluoroquinolone antibiotics.

Description

technical field [0001] The invention belongs to the technical field of crystalline materials, and the technology relates to a metal-organic coordination polymer material, and is characterized in that it is an In metal-organic framework material, a preparation method and an application thereof. Background technique [0002] In industrial or agricultural production activities, a large amount of waste needs to be discharged. Even after certain treatment, there will still be many pollutants such as heavy metals, antibiotics, and pesticide residues. The residue and enrichment of these pollutants can easily cause the degradation of the ecological environment and pose a great threat to human health. Therefore, detecting the content of pollutants in water is of great significance to the governance of the environment, the health of animals, plants and human beings. The traditional means of detecting pollutants are mainly large-scale instruments such as liquid chromatography-mass spe...

Claims

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Application Information

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IPC IPC(8): C08G83/00G01N21/64C09K11/06
CPCC08G83/008C09K11/06C09K2211/188G01N21/6428G01N21/643G01N2021/6432
Inventor 谢林华钟文彬李茹霞李建荣
Owner BEIJING UNIV OF TECH
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