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Binuclear dysprosium cluster compound taking 2-aldehyde-8-hydroxyquinoline ethanolamine schiff base as ligand as well as synthesis methods and application thereof

A technology of ethanolamine Schiff base and hydroxyquinoline, which is applied in the direction of 3/13 organic compounds without C-metal bonds, compounds containing group 3/13 elements of the periodic table, chemical instruments and methods, etc., can solve the inconvenience Problems such as modeling and calculation, to achieve the effect of simple synthesis method, good repeatability and low cost

Inactive Publication Date: 2018-06-22
GUANGXI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

High-nuclear complexes often have complex and beautiful structures, and there are too many factors affecting the magnetic properties of high-nuclear complexes, which is not convenient for modeling and calculation

Method used

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  • Binuclear dysprosium cluster compound taking 2-aldehyde-8-hydroxyquinoline ethanolamine schiff base as ligand as well as synthesis methods and application thereof
  • Binuclear dysprosium cluster compound taking 2-aldehyde-8-hydroxyquinoline ethanolamine schiff base as ligand as well as synthesis methods and application thereof
  • Binuclear dysprosium cluster compound taking 2-aldehyde-8-hydroxyquinoline ethanolamine schiff base as ligand as well as synthesis methods and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Embodiment 1: The compound shown in formula (I) is the synthesis of 2-formyl-8-hydroxyquinoline ethanolamine Schiff base ligand

[0033]

[0034] The specific synthesis method is: weigh 0.0173g (0.1mmol) of 2-formyl-8-hydroxyquinoline and dissolve it in 5mL of methanol, and dissolve 0.061g (1mmol) of ethanolamine in 5mL of acetonitrile. The methanol solution of -8-hydroxyquinoline was slowly added to the acetonitrile solution of ethanolamine. At this time, the mixed solution was red. Put it into a magnet and stir for 20 minutes. The solution was light yellow, and a solution containing the ligand was obtained.

Embodiment 2

[0035] Embodiment 2: the compound shown in formula (I) is the synthesis of 2-formyl-8-hydroxyquinoline ethanalamine Schiff base ligand

[0036] Repeat Example 1, the difference is that the amount of methanol is changed to 2mL, the amount of acetonitrile is changed to 4mL, and the reaction time is changed to 40min.

Embodiment 3

[0037] Embodiment 3: binuclear dysprosium cluster [Dy 2 (C 12 h 11 N 2 o 2 ) 2 (NO 3 ) 4 ]·CH 3 Synthesis of CN

[0038] Weigh Dy(NO 3 ) 3 ·6H 2 O (0.2mmol, 91.2mg) was placed in a glass bottle with a cover, and the ligand solution prepared in Example 1 was sucked with a disposable rubber tip dropper (1mL ligand solution contained methanol 0.5mL, acetonitrile 0.5mL, Ligand (0.1mmol) was added to the glass bottle, and then 0.5mL of methanol and 1.5mL of acetonitrile were added to it, so that the volume ratio of methanol and acetonitrile in the mixed solvent was 1:2, and then 22 μL of triethylamine was added to it after dissolving , shake gently until the precipitate disappears (the pH of the solution at this time is 6.7), then wrap the mouth of the bottle tightly with aluminum foil, cover the bottle cap, place the glass bottle at 60°C for 12 hours, take it out, and wrap it with cotton wool After the glass bottle was cooled to room temperature, yellow blocky crystals...

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Abstract

The invention discloses a binuclear dysprosium cluster compound taking 2-aldehyde-8-hydroxyquinoline ethanolamine schiff base as a ligand as well as synthesis methods and application thereof. The chemical formula of the binuclear dysprosium cluster compound is [Dy2(C12H11N2O2)2(NO3)4].CH3CN; the cluster compound belongs to a triclinic system and a P-1 space group. The invention provides the two synthesis methods of the binuclear dysprosium cluster compound; the synthesis methods are simple, low in cost and good in repeatability. Research findings prove that the cluster compound has a field-induced single-molecule magnet behavior, thus being used for preparing magnetic materials.

Description

technical field [0001] The invention relates to a dinuclear dysprosium cluster compound with 2-formyl-8-hydroxyquinoline ethanolamine Schiff base as a ligand, a synthesis method and an application thereof, and belongs to the technical field of magnetic materials. Background technique [0002] Due to their structure and the unique properties of rare earth ions, rare earth complexes have excellent optical, electrical, and magnetic properties, and have broad application prospects in the fields of magnetic materials, optical sensors, and molecular recognition. Compared with transition metals, rare earth ions are often used to construct single-molecule magnets due to their large anisotropy, and their complexes often have excellent magnetic properties. For example, several high-energy barrier complexes reported so far are Rare earth Dy(III) clusters. In view of the excellent magnetic properties of their complexes, scientific researchers have reported that many rare earth complexe...

Claims

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Application Information

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IPC IPC(8): C07F5/00H01F1/42
CPCC07F5/003H01F1/42
Inventor 邹华红刘子源梁福沛
Owner GUANGXI NORMAL UNIV
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