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Bispyridine quinoxaline ligand silver metal complex and preparation method thereof

A pyridinequinoxaline and metal complex technology, applied in silver organic compounds, chemicals for biological control, disinfectants, etc., can solve the problems of poor light stability, easy decay of antibacterial efficacy, harsh preparation conditions, etc. The effect of mild conditions, good reproducibility and strong anti-interference ability

Inactive Publication Date: 2016-02-03
NANYANG NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the inorganic silver antibacterial agents reported in the literature have technical defects such as poor photostability, easy attenuation of antibacterial efficacy, and harsh preparation conditions.

Method used

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  • Bispyridine quinoxaline ligand silver metal complex and preparation method thereof
  • Bispyridine quinoxaline ligand silver metal complex and preparation method thereof
  • Bispyridine quinoxaline ligand silver metal complex and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A kind of preparation method of bispyridylquinoxaline ligand silver metal complex of the present invention, the steps are as follows:

[0025] ⑴. Dissolve 0.1mmoL (0.0284g) of 2,3-bis(2-pyridyl)quinoxaline (DPQ) and 0.1mmoL (0.0207g) of trimesic acid (BTA) in 4mL of chloroform at room temperature, After stirring evenly, a mixed ligand solution is obtained;

[0026] ⑵. At room temperature, 0.02mmoL (0.034g) AgNO 3 Dissolve in 3mL of acetonitrile, stir well to get AgNO 3 metal salt solution;

[0027] (3) At room temperature, mix 5mL of chloroform and 5mL of acetonitrile, and stir well to obtain 10mL of buffer solution;

[0028] ⑷. At room temperature, add 4mL mixed ligand solution to the bottom of the test tube, add 10mL buffer solution to the middle part of the test tube, and then add 3mLAgNO to the top of the test tube 3 Metal salt solution;

[0029] ⑸. Put the reaction solution on a stable table at room temperature and let it stand for about 20 days to obtain a co...

Embodiment 2

[0031] A kind of preparation method of bispyridylquinoxaline ligand silver metal complex of the present invention, the steps are as follows:

[0032] ⑴. Dissolve 0.1mmoL (0.0284g) of 2,3-di(2-pyridyl)quinoxaline (DPQ) and 0.1mmoL (0.0207g) of trimesic acid (BTA) in 4mL of dichloromethane at room temperature, After stirring evenly, a mixed ligand solution is obtained;

[0033] ⑵. At room temperature, 0.02mmoL (0.034g) AgNO 3 Dissolve in 3mL propionitrile, stir well to get AgNO 3 metal salt solution;

[0034] (3) At room temperature, mix 5mL of dichloromethane and 5mL of propionitrile, and stir to obtain 10mL of buffer solution;

[0035] ⑷. At room temperature, add 4mL mixed ligand solution to the bottom of the test tube, add 10mL buffer solution to the middle part of the test tube, and then add 3mLAgNO to the top of the test tube 3 Metal salt solution;

[0036] ⑸. Put the reaction solution on a stable table at room temperature and let it stand for about 20 days to obtain a...

Embodiment 3

[0038] A kind of preparation method of bispyridylquinoxaline ligand silver metal complex of the present invention, the steps are as follows:

[0039] ⑴. At room temperature, 2,3-di(2-pyridyl)quinoxaline (DPQ) 0.1mmoL (0.0284) and trimesic acid (BTA) 0.1mmoL (0.0207g) were dissolved in 4mL carbon tetrachloride, After stirring evenly, a mixed ligand solution is obtained;

[0040] ⑵. At room temperature, 0.02mmoL (0.034g) AgNO 3Dissolve in 3mL of butyronitrile, stir well to get AgNO 3 metal salt solution;

[0041] (3) At room temperature, mix 5mL carbon tetrachloride and 5mL butyronitrile, and stir to obtain 10mL buffer solution;

[0042] ⑷. At room temperature, add 4mL mixed ligand solution to the bottom of the test tube, add 10mL buffer solution to the middle part of the test tube, and then add 3mLAgNO to the top of the test tube 3 Metal salt solution;

[0043] ⑸. Put the reaction solution on a stable table at room temperature and let it stand for about 20 days to obtain a...

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PUM

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Abstract

The invention discloses a bispyridine quinoxaline ligand silver metal complex. The bispyridine quinoxaline ligand silver metal complex is prepared from 2,3-di(2-pyridyl) quinoxaline and trimesic acid as well as silver metal, a chemical formula is [Ag2(DPQ)(BTA)]n, and the complex has good antibacterial effect and strong anti-interference capability. The bispyridine quinoxaline ligand silver metal complex is prepared from a prepared mixed ligand solution, a metal salt solution and a buffer solution at room temperature, and a preparation method has the advantages of simple process, mild conditions and good reproducibility.

Description

technical field [0001] The invention relates to transition metal silver complexes, in particular to a bispyridylquinoxaline ligand silver metal complex with light-stable antibacterial effect and a preparation method thereof. Background technique [0002] Inorganic silver-based antibacterial agents have many advantages such as high antibacterial activity, long service life, broad-spectrum, not easy to produce drug resistance, and no secondary pollution, and their antibacterial activity is second only to mercury, so silver-based antibacterial materials are the most common Inorganic antibacterial agent. Chemically, silver is called "permanent fungicide". Modern scientific research has revealed that the bactericidal ability of silver ions is particularly strong, and only 2 parts per million of silver ions per liter of water can kill most of the bacteria in the water. The above advantages have made silver-based antibacterial materials popular all the time. See: JiaH.S., HouW.S...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F1/10A01P1/00
Inventor 赵强沈芝范会涛鮑克燕郭永明
Owner NANYANG NORMAL UNIV