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Cadmium complex of 1,5-di(1-H-benzimidazolyl)pentane, and preparation method and application thereof

A technology of benzimidazole-based and cadmium complexes, which is applied in cadmium organic compounds, chemical instruments and methods, chemical/physical processes, etc., can solve the problems of weak and rare interactions, achieve mild conditions, high yield, The effect of broad application prospects

Inactive Publication Date: 2013-07-03
ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the current research on ion exchange is the exchange of anions, and usually the exchange only occurs between guest anions. This is because the interaction force between the guest anion and the cationic framework is weak, making this type of exchange easy.
In contrast, the exchange of metal ions in the center of the skeleton is greatly restricted to a certain extent due to the breakage of the existing coordination bonds and the formation of new coordination bonds in the exchange process. There are few reports of related studies

Method used

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  • Cadmium complex of 1,5-di(1-H-benzimidazolyl)pentane, and preparation method and application thereof
  • Cadmium complex of 1,5-di(1-H-benzimidazolyl)pentane, and preparation method and application thereof
  • Cadmium complex of 1,5-di(1-H-benzimidazolyl)pentane, and preparation method and application thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Weigh 0.0156g (0.05mmol) of Cd(ClO 4 ) 2 ·6H 2 O was dissolved in 4 mL of acetonitrile, and then 4 mL of acetonitrile solution dissolved with 0.0152 g (0.05 mmol) of pbbm was added dropwise to the above solution to obtain a clear solution, which was allowed to stand for 14 days to obtain a colorless single crystal. Then washed with distilled water and acetonitrile, and dried. The yield was about 60% (calculated based on 1,5-bis(1-H-benzimidazolyl)pentane).

Embodiment 2

[0027] Weigh 0.0156g (0.05mmol) of Cd(ClO 4 ) 2 ·6H 2 O was dissolved in 2.5 mL of acetonitrile, and then 6 mL of acetonitrile solution dissolved with 0.0182 g (0.06 mmol) of pbbm was added dropwise into the above solution to obtain a clear solution, which was allowed to stand for 18 days to obtain a colorless single crystal. Then washed with distilled water and acetonitrile, and dried. The yield was about 57% (calculated based on 1,5-bis(1-H-benzimidazolyl)pentane).

Embodiment 3

[0029] Weigh 0.0156g (0.05mmol) of Cd(ClO 4 ) 2 ·6H 2 O was dissolved in 5 mL of acetonitrile, and then 3 mL of acetonitrile solution dissolved with 0.0228 g (0.075 mmol) of pbbm was added dropwise to the above solution to obtain a clear solution, which was allowed to stand for 20 days to obtain a colorless single crystal. Then washed with distilled water and acetonitrile, and dried.

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Abstract

The invention discloses a cadmium complex of 1,5-di(1-H-benzimidazolyl)pentane. The cadmium complex of the 1,5-di(1-H-benzimidazolyl)pentane has the following chemical formula: {[Cd(pbbm)2]2(ClO4)4(H2O)2}positive infinite, wherein pbbm is the 1,5-di(1-H-benzimidazolyl)pentane. The cadmium complex of the 1,5-di(1-H-benzimidazolyl)pentane has a double helix structure and multiple cation exchange functions; when soaked in aqueous solution of perchlorate comprising Cu<2+>, Co<2+>, Ni<2+> and Zn<2+>, the complex can replace Cd<2+> metal ions in a skeleton; the complex serving as a multi-ion exchanger has a wide application prospect in the field of material science; and a preparation method can be performed at normal temperature and normal pressure, and is mild in condition, high in yield and high in reproducibility.

Description

technical field [0001] The invention belongs to the technical field of transition metal complexes, and specifically relates to a cadmium complex and its preparation method and application. The cadmium coordination polymer has a helical structure of Cd(II)-1,5-bis(1- H-Benzimidazolyl)pentane one-dimensional cadmium coordination polymer exhibiting cation exchange properties. Background technique [0002] Helix is ​​a beautiful geometric figure with axial chirality, which exists widely in nature, human artworks and biological systems. In 1953, Watson and Crick proved that DNA has a double helix structure based on X-ray diffraction patterns and various chemical analysis data, which is one of the most important achievements of contemporary biological science. Many natural polymers in biological systems, such as polysaccharides, nucleic acids and some polypeptide compounds also have helicity. These naturally occurring helices and their important biological significance have prom...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07F3/08B01J39/16
Inventor 方少明肖博王宇婷刘春森户敏周立明高丽君李倩倩张强马松涛
Owner ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY