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Mixed metal complex constructed by tris(2-picoline) amine and preparing method thereof

A kind of technology of methyl pyridine and complex, applied in molybdenum mixed metal complex and preparation thereof, terbium field

Inactive Publication Date: 2016-01-13
TIANJIN POLYTECHNIC UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] At present, the research on Mo-Ln compounds is still relatively blank, so it is worthy of more researchers to conduct more in-depth exploration

Method used

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  • Mixed metal complex constructed by tris(2-picoline) amine and preparing method thereof

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Embodiment 1

[0011] The synthesis of embodiment 1 complex:

[0012] 0.1mmol of TbCl 3 ·6H 2 O (0.0374g) and 0.1mmol of tpma (0.029g) were each dissolved in 5ml of anhydrous methanol, mixed the above two solutions, stirred at room temperature for 2h and then filtered, and put the beaker containing the filtrate into a container filled with isopropyl ether Inside, Tb(tpma)Cl was obtained by the gas-liquid interfacial diffusion method 3 Complexes. Then add 0.1mmol of Tb(tpma)Cl 3 (0.0555g) and 0.1mmol of K 3 [Mo(CN) 8 ] (0.0421g) into an aqueous solution, after mixing, continue to stir at room temperature for 2 hours and then filter. The filtrate is allowed to stand in the air and volatilizes slowly, and the target product can be obtained after about two weeks. TbCl 3 ·6H 2 O, K 3 [Mo(CN) 8 ] and the mass ratio of tpma is: 1.29:1.45:l. The calculated yield was 35% based on the metal Tb element content.

Embodiment 2

[0013] The infrared spectrometry of embodiment 2 complexes:

[0014] The infrared spectrum of the complex was determined by the KBr tablet method, with a Nicolet330FT-IR infrared spectrometer at 4000-500cm -1 Recorded within the range, see the specific peak value figure 1 .

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Abstract

The invention relates to a synthetic method for a terbium and molybdenum mixed metal complex containing tris(2-picoline) amine. The chemical composition of the complex contains tpma ligand, wherein tpma is equal to tris(2-picoline) amine. According to the synthesis scheme, ligand tris(2-picoline) amine and TbCl3.6H2O are prepared into methanol solutions respectively according to the stoichiometric ratio, the methanol solutions are mixed and filtered after being stirred for 2 h at the normal temperature, a beaker containing the filter liquor is placed into a container containing isopropyl ether, a gas-liquid interface diffusion method is adopted for obtaining a Tb(tpma)Cl3 complex, the Tb(tpma)Cl3 complex and K3[Mo(CN)8] are prepared into a water solution according to the stoichiometric ratio, the mixed liquor is stirred for 2 h at the normal temperature after being mixed, filtering is carried out, the filter liquor stands in air, and volatilizes slowly, and a target product can be obtained after about two weeks.

Description

technical field [0001] The invention relates to a terbium-molybdenum mixed metal complex constructed by tris(2-picoline)amine and a preparation method thereof, belonging to the field of metal complex science and technology. technical background [0002] Due to their interesting topology and unique properties, coordination polymers have broad application prospects in selective ion monitoring, sensing devices such as fluorescent probes, catalysis, ion exchange, and sustained drug release. Mixed metal complexes have more flexible and changeable coordination modes and novel complex structures, which determine that their performance will be more diverse than single metal complexes of the same organic ligand. Lanthanide ions are often low-spin, and have a large ionic radius and coordination number, which are chemically hard acids; while transition metal ions can be high-spin or low-spin, and the coordination number rarely exceeds six, which is Chemically soft acids, coordination ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F19/00
Inventor 夏军崔振龚小林刘明兴
Owner TIANJIN POLYTECHNIC UNIV
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