Multifunctional cadmium complex constructed based on mixed organic ligands and application thereof

A technology of cadmium complexes and organic ligands, applied in the field of multifunctional cadmium complexes, to achieve simple process, high yield and good reproducibility

Inactive Publication Date: 2016-05-04
SHAANXI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, since 4,4′-dicarboxylic diphenylmethyl ether (H 2 oba) has flexible and diverse coordination modes and abundant coordination sites, and is also widely used in the synthesis of metal coordination polymer materials, but 1,5-bis(imidazolyl)pentane and 4,4′-dicarboxylic acid dicarboxylate Anisole as a metal-organic framework compound regulated by mixed ligands has not been reported

Method used

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  • Multifunctional cadmium complex constructed based on mixed organic ligands and application thereof
  • Multifunctional cadmium complex constructed based on mixed organic ligands and application thereof
  • Multifunctional cadmium complex constructed based on mixed organic ligands and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Combine 4,4′-dicarboxylic acid dimethyl ether (25.8mg, 0.1mmol), potassium hydroxide (5.6mg, 0.1mmol), 1,5-bip (20mg, 0.1mmol) and cadmium nitrate (23.6mg, 0.1mmol) dissolved in water, enclosed in a reactor, heated to 110°C at a rate of 10°C per hour, maintained at this temperature for 3 days, then naturally cooled to room temperature, washed with deionized water, and filtered through filter paper. Colorless lump crystals, the obtained crystal product is placed in an oven at 80°C for 3 hours to obtain a target product yield of about 56%. The main infrared absorption peaks are 3122(m), 3072(w), 2934(w), 1562(s), 1495(s), 1374(s), 1288(m), 1230(s), 1153(m) , 1088(m), 997(m), 873(m).

[0031] The cadmium complex regulated by mixed organic ligands prepared in Example 1 was further characterized, and the process was as follows:

[0032] (1) Determination of the crystal structure of the complex

[0033] A single crystal with a suitable size of 0.23mm×0.18mm×0.14mm was selected un...

Embodiment 2

[0048] Combine 4,4′-dicarboxylic acid dimethyl ether (51.6mg, 0.2mmol), potassium hydroxide (11.2mg, 0.2mmol), 1,5-bip (20mg, 0.1mmol) and cadmium nitrate (35.2mg, 0.15mmol) dissolved in water, sealed in a reactor, heated to 120°C at a rate of 6°C per hour, maintained at this temperature for 3 days, and then naturally cooled to room temperature to obtain colorless massive crystals. Use deionized water Rinse the crystals, obtain the target crystal product by filtration under reduced pressure, and place the target product in an oven at 80°C for 3 hours. Finally, the yield of the target product is about 65%.

Embodiment 3

[0050] Combine 4,4′-dicarboxylic acid dimethyl ether (25.8mg, 0.1mmol), sodium hydroxide (5.6mg, 0.1mmol), 1,5-bip (20mg, 0.1mmol) and cadmium nitrate (35.2mg, 0.15mmol) dissolved in water, sealed in a reactor, heated to 130°C at a rate of 10°C per hour, maintained at this temperature for 3 days, and then naturally cooled to room temperature to obtain colorless massive crystals. Use absolute ethanol Rinse the crystals, obtain the target crystal product by filtration under reduced pressure, and place the target product in an oven at 80°C for 3 hours. Finally, the target product yield is about 61%.

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Abstract

The invention belongs to the technical field of organic and inorganic synthesis, and in particular discloses a multifunctional cadmium complex constructed based on mixed organic ligands and application of the multifunctional cadmium complex. The multifunctional cadmium complex is characterized in that the complex is of a single-node two-dimensional (4, 4) mesh topology structure; a chemical expression formula of the complex is represented by [Cd(1,5-bip)(oba)]n, wherein H2oba is a negative bivalent anionic ligand 4,4minute-oxybis(benzoic acid) with a structure represented by a formula 2; 1,5-bip is a nonionic ligand 1,5-diimidazolyl pentane with a structure represented by a formula 3. The invention discloses application of the constructed cadmium complex as a potential fluorescent material. The formula 2 and the formula 3 are shown in the description.

Description

Technical field [0001] The invention belongs to the technical field of organic and inorganic synthesis, and specifically is a multifunctional cadmium complex constructed based on a mixed organic ligand and its application. Background technique [0002] In recent years, metal organic framework compounds have great application potential in light, electricity, magnetism, catalysis, and gas storage due to their controllable and abundant topological structure, diverse stacking methods, etc. [1-4] , Has attracted the interest of more and more coordination chemistry researchers, especially the organic framework compounds whose central atom is divalent cadmium, because of its d 10 Configuring the electronic configuration, the organic framework compounds of divalent cadmium have huge application prospects in the luminescence properties. In order to construct multidimensional metal coordination polymer materials with special topological structure, people often use N-containing organic bridg...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G83/00C09K11/06
CPCC08G83/00C09K11/06C09K2211/1425C09K2211/1433C09K2211/1466C09K2211/188
Inventor 卢久富
Owner SHAANXI UNIV OF TECH
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