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Cobalt metal organic complex as well as preparation method and application thereof

An organic complex, cobalt metal technology, applied in the field of cobalt metal organic complex and its preparation, can solve the conditional synthesis target coordination that the network structure is difficult to control and predict, the metal organic complex has not been reported, and the reaction is difficult to control Polymer and other problems, to achieve the effect of high yield, convenient operation and good reproducibility

Active Publication Date: 2021-03-12
ANHUI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] [1-{2-(2-Pyridyl)-Benzo[d]imidazole}-2-(5-Hydroxyisophthalic acid)ethane] is a new kind of flexible organic ligand. The network structure of the complex is not easy to control and predict, and it is difficult to control the reaction conditions to synthesize the target coordination polymer
At present, no metal-organic complexes synthesized by this ligand have been reported.

Method used

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  • Cobalt metal organic complex as well as preparation method and application thereof
  • Cobalt metal organic complex as well as preparation method and application thereof
  • Cobalt metal organic complex as well as preparation method and application thereof

Examples

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Embodiment 1

[0039] The preparation method of a kind of cobalt metal organic complex that the present invention proposes comprises the following steps: 0.1mmol [1-{2-(2-pyridyl)-benzo[d]imidazole}-2-(5-hydroxyl m Phthalic acid) ethane] and 0.3mmol cobalt nitrate are added in the mixed solution of 15mLN, N'-dimethylformamide and water, wherein, the volume ratio of N, N'-dimethylformamide and water is 1: 1. After stirring evenly, place it in a stainless steel reaction kettle with a polytetrafluoroethylene liner, and react at 98°C for 53 hours. After the reaction, cool, filter, wash, and dry to obtain the cobalt metal-organic complex.

Embodiment 2

[0041] The preparation method of a kind of cobalt metal organic complex that the present invention proposes comprises the following steps: 0.1mmol [1-{2-(2-pyridyl)-benzo[d]imidazole}-2-(5-hydroxyl m Phthalic acid) ethane] and 0.4mmol cobalt nitrate were added to the mixed solution of 7mL N,N'-dimethylformamide and water, wherein the volume ratio of N,N'-dimethylformamide to water was 3 : 1, placed in the stainless steel reactor of polytetrafluoroethylene liner after being stirred evenly, reacted 50h at 105 ℃, obtained described cobalt metal-organic complex through cooling, filtering, washing, drying after reaction finishes.

Embodiment 3

[0043] The preparation method of a kind of cobalt metal organic complex that the present invention proposes comprises the following steps: 0.1mmol [1-{2-(2-pyridyl)-benzo[d]imidazole}-2-(5-hydroxyl m Phthalate) ethane] and 0.3mmol cobalt nitrate were added to 3mL N,N'-dimethylformamide and water mixed solution, wherein the volume ratio of N,N'-dimethylformamide to water was 1.5 : 1, placed in a stainless steel reactor with a polytetrafluoroethylene liner after stirring evenly, reacted for 55h at 97°C, and obtained the cobalt metal-organic complex through cooling, filtering, washing, and drying after the reaction.

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Abstract

The invention discloses a cobalt metal organic complex as well as a preparation method and application thereof. The chemical formula of the cobalt metal organic complex is [CoL(H2O)].2H2O, wherein L is [1-{2-(2-pyridyl)-benzo[d]imidazole}-2-(5-hydroxy isophthalic acid)ethane] anion, the cobalt metal organic complex belongs to a monoclinic system and a C2 / c space group, cell parameters alpha is 90.00 degrees, beta is 109.070(2) degrees, gamma is 90.00 degrees, and V is 4266.9(10) angstrom<3>. The preparation method of the cobalt metal organic complex provided by the invention is simple to operate, high in yield and good in reproducibility, and the obtained cobalt metal organic complex is stable in structure at room temperature, has excellent fluorescence performance and can be used for detecting metal ions.

Description

technical field [0001] The invention relates to the technical field of complexes, in particular to a cobalt metal organic complex and its preparation method and application. Background technique [0002] Metal-organic complexes are a kind of inorganic-organic hybrid functional materials, which can form one-dimensional, two-dimensional, or three-dimensional structures in space. Because of their novel structures, ordered constituent units, interesting optical, magnetic, catalytic And other properties, its design and synthesis has become a hotspot in the research of coordination chemistry. At present, metal-organic complexes have been widely used in molecular devices, heterogeneous catalysis, gas adsorption and separation, molecular magnetism, fluorescent materials, pollutant adsorption and other fields. In the preparation process of metal-organic complexes, the configuration of the ligand plays a crucial role in the final structure of the complex. Flexible ligands can be twis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07D401/04C09K11/06G01N21/64
CPCC07D401/04C09K11/06G01N21/6428G01N2021/6439C09K2211/187C09K2211/1044C09K2211/1029
Inventor 胡劲松张静孙忱
Owner ANHUI UNIV OF SCI & TECH
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