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Benzimidazole and sulfonic transition metal complex and preparation method thereof

A technology of benzimidazole sulfonic acid and transition metals, applied in the fields of cadmium organic compounds, silver organic compounds, chemical instruments and methods, etc.

Inactive Publication Date: 2013-08-14
SHAANXI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But so far, there are only two reports on metal-organic complexes of imidazole sulfonic acid
There is no report on benzimidazole sulfonic acid transition metal organic complexes

Method used

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  • Benzimidazole and sulfonic transition metal complex and preparation method thereof
  • Benzimidazole and sulfonic transition metal complex and preparation method thereof
  • Benzimidazole and sulfonic transition metal complex and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] To prepare general formula C 36 h 30 N 6 o 10 S 2 Ag 2 The material represented is an example. In the formula, M is silver element, a is 36, b is 30, c is 3, x is 10, y is 2, and z is 2. The raw materials used and the preparation method are as follows:

[0024] Add 0.068g of silver acetate (0.4mmol), 0.054g of 2-phenylbenzimidazole-5-sulfonic acid (0.2mmol), 0.016g of 4,4'-bipyridine (0.1mmol), and 4mL of distilled water into 25mL of polytetrafluoroethylene to react In the kettle, the molar ratio of 2-phenylbenzimidazole-5-sulfonic acid to silver acetate, 4,4'-bipyridyl, and distilled water is 1:2:0.5:111, stir at room temperature for 30 minutes, seal, and heat up to 160 ℃, standing at constant temperature for 4 days, then naturally cooled to room temperature, filtered, washed 2-3 times with distilled water, and dried naturally in the air to prepare silver benzimidazole sulfonate complex with a yield of 45%.

[0025] The single crystal structure of the as-prepared...

Embodiment 2

[0028] To prepare general formula C 59 h 40 N 10 o 10 S 3 Ag 4 The material represented is an example. In the formula, M is silver element, a is 59, b is 40, c is 5, x is 10, y is 3, and z is 4. The raw materials used and the preparation method are as follows:

[0029]Add 0.068g of silver acetate (0.4mmol), 0.054g of 2-phenylbenzimidazole-5-sulfonic acid (0.2mmol), 0.016g of 4,4'-bipyridine (0.1mmol), and 4mL of distilled water into 25mL of polytetrafluoroethylene to react In the kettle, the molar ratio of 2-phenylbenzimidazole-5-sulfonic acid to silver acetate, 4,4'-bipyridyl, and distilled water is 1:2:0.5:111, stir at room temperature for 30 minutes, seal, and heat up to 150 ℃, keep the reaction at constant temperature for 4 days, cool down to room temperature naturally, filter, wash with distilled water 2 to 3 times, and dry naturally in the air to prepare silver benzimidazole sulfonate complex with a yield of 63%.

[0030] The single crystal structure of the as-prep...

Embodiment 3

[0033] To prepare general formula C 50 h 34 N 8 o 8 S 2 Ag 2 The material represented is an example, where M is silver, a is 50, b is 34, c is 4, x is 8, y is 2, and z is 2. The raw materials used and the preparation method are as follows:

[0034] Add 0.061g of silver sulfate (0.3mmol), 0.027g of 2-phenylbenzimidazole-5-sulfonic acid (0.1mmol), 0.020g of 1,10'-phenanthroline (0.1mmol), and 4mL of distilled water into 25mL of polytetrafluoroethylene In an ethylene reactor, the molar ratio of 2-phenylbenzimidazole-5-sulfonic acid to silver sulfate, 1,10'-phenanthroline, and distilled water is 1:3:1:222, stir at room temperature for 30 minutes, and seal , heated to 140°C, left to react at a constant temperature for 3 days, naturally cooled to room temperature, filtered, washed 2 to 3 times with distilled water, and dried naturally in air to prepare a silver benzimidazole sulfonate complex with a yield of 35 %.

[0035] The single crystal structure of the prepared benzimid...

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Abstract

The invention relates to a benzimidazole and sulfonic transition metal complex which consists of a material shown by formula CaHbN2cOxSyMz, wherein M is silver element, a is 36, b is 30, c is 3, x is 10, y is 2 and z is 2 or a is 59, b is 40, c is 5, x is 10, y is 3 and z is 4 or a is 50, b is 34, c is 4, x is 8, y is 2 and z is 2; in which M is cadmium element, a is 14, b 14, c is 2, x is 10, y is 4 and z is 1 or a is 34, b is 30, c is 4, x is 10, y is 4 or z is 1. According to the invention, by using 2-phenyl benzimidazole-5-sulfoacid or 2-sulfydryl-5-benzimidazole sulfoacid as ligands, a benzimidazole silver sulfonate complex and a benzimidazole cadmium sulfonate complex are prepared by a hydrothermal method. The complex is fluorescent and can be used as a fluorescent material.

Description

technical field [0001] The invention belongs to the technical field of imidazole sulfonic acid transition metal organic complexes, and in particular relates to benzimidazole sulfonic acid silver complexes, benzimidazole sulfonic acid cadmium complexes and preparation methods thereof. Background technique [0002] In recent years, metal-organic functional complexes have become a hot spot for researchers because of their functions such as gas storage, molecular recognition, ion exchange, selective catalysis, and adsorption. In metal-organic functional complexes, for the ligands, the research on nitrogen heterocyclic and oxygen-containing carboxylic acid complexes has been relatively mature. Compared with phosphoric acid, there are fewer researches on it. This is because the sulfonic acid group has relatively strong ionicity and hydrophilicity, resulting in relatively weak coordination ability, and is widely regarded as a weak ligand. With the rapid development of coordinatio...

Claims

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Application Information

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IPC IPC(8): C07F1/10C07F3/08C09K11/06
Inventor 李淑妮张艳华翟全国胡满成蒋育澄
Owner SHAANXI NORMAL UNIV
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