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Cd coordination compound based on flexible amido pyridine ligand and preparation method thereof

A flexible amide pyridyl and complex technology, applied in chemical instruments and methods, luminescent materials, etc., can solve the problem of less metal complexes, and achieve the effects of high thermal stability, high yield, and strong blue luminescence properties.

Active Publication Date: 2016-09-14
ANQING NORMAL UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, to date, metal complexes based on flexible amido ligands based on aromatic rings have been less studied, while the flexible N′,N″,N″′-tris(2-pyridyl-methylene)-1,3, The construction and property exploration of the cadmium complex of 5-benzenetricarboxamide has not been reported. The research results of the present invention show that the designed complex crystalline material is expected to be applied in the field of fluorescent materials

Method used

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  • Cd coordination compound based on flexible amido pyridine ligand and preparation method thereof
  • Cd coordination compound based on flexible amido pyridine ligand and preparation method thereof
  • Cd coordination compound based on flexible amido pyridine ligand and preparation method thereof

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Embodiment 1

[0018] Example 1: 3 mL containing Cd (NO 3 ) 2 4H 2 O (15.4 mg, 0.05 mmol) in acetone solution was slowly added to 3 mL of tetrahydrofuran solution containing L1 (24.0 mg, 0.05 mmol), and a large amount of white precipitate was formed. Add acetonitrile until the precipitate was completely dissolved, and slowly diffuse ethyl acetate after filtration. In the filtrate, after about 2 weeks, yellow columnar crystals can be obtained, filtered, washed, and dried to obtain a yellow crystalline product, based on Cd(NO 3 ) 2 4H 2 O calculated yield 71%.

[0019] The present invention is further characterized based on the cadmium complex of the flexible amidopyridine ligand, and the process is as follows:

[0020] (1) Crystal structure determination of cadmium complexes with flexible amidopyridine ligands

[0021] Select a single crystal with a suitable size, and use graphite monochromatized Mo-kα rays on a Bruker Smart APEX II CCD single crystal diffractometer at 293(2)K is the ...

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Abstract

The invention relates to a cadmium coordination compound based on a flexible amido pyridine ligand and a preparation method thereof. The coordination compound has a chemical formula of [CdII(L1)(ONO2)(OH2)] NO3.3H2O, wherein L1 represents N', N'', N '''-tri(2-pyridyl- methylene)-1,3,5-trimesoyl amide. The coordination compound is the first dimensional layered coordination compound Cd(NO3)2 containing flexible amido pyridine ligand; the synthesis method is simple, easy to crystallize and high in synthesis yield, and uses easily to get raw materials; the crystalline material exhibits high thermal stability and strong blue luminescence properties. The optical and thermal properties research results show that the coordination compound can be used as a blue light material in the field of material chemistry.

Description

technical field [0001] The invention belongs to the technical field of functional coordination polymers and molecular-based fluorescent materials thereof, and particularly relates to a cadmium complex containing flexible amidopyridyl ligands and a preparation method thereof. The invented complex has a novel three-dimensional framework structure and can be further developed and applied as a blue light material. Background technique [0002] Since the 1987 Nobel Prize in Chemistry was awarded to the famous French chemist Professor J.M.Lehn and American chemists C.J.Pedersen and D.J.Cram who made outstanding contributions in the field of supramolecular chemistry, this field has developed vigorously and achieved remarkable results. Achievement. Supramolecular chemistry, its research fields cover many disciplines such as organic chemistry, inorganic chemistry, information science, material science and life science. The specific non-covalent weak interactions endow supramolecula...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G83/00C09K11/06
CPCC08G83/008C09K11/06C09K2211/1466C09K2211/188
Inventor 王彦李丹沈荣佩贾莹莹陆思宇
Owner ANQING NORMAL UNIV
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