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Mononuclear copper complex with fluorescence property and preparation method thereof

A technology of copper complexes and fluorescent properties, which is applied in the field of mononuclear copper complexes and their preparation, can solve problems that are rarely reported, and achieve the effects of high production efficiency, good thermal stability, and low equipment investment

Active Publication Date: 2019-10-15
LUOYANG INST OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, designing and constructing such materials with special structures and functions is an innovative technology, which is very challenging, especially materials with good thermal stability and optical properties.
In recent years, some coordination polymers with high thermal stability or fluorescent properties have been widely studied, and some achievements have been made, but among these complexes, materials with good thermal stability and fluorescent properties at the same time but rarely reported

Method used

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  • Mononuclear copper complex with fluorescence property and preparation method thereof
  • Mononuclear copper complex with fluorescence property and preparation method thereof
  • Mononuclear copper complex with fluorescence property and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0030] At room temperature, weigh 0.198g (2mmol) of cuprous chloride, 1.307g (2mmol) of benzimidazole phosphine ligands and 0.524g (3mmol) of triphenylphosphine into a mixed solution of 20ml of dichloromethane and acetonitrile (volume ratio of dichloromethane to acetonitrile = 4:1), heated to 45° C. and kept stirring at this temperature for 2 hours. The reacted solution was filtered and transferred to a 30ml small glass bottle, and naturally volatilized for 72 hours to obtain crystals of the complex, which were filtered out, washed with a small amount of acetonitrile, and vacuum-dried to obtain the final product with a yield of 75%.

Embodiment 2

[0032] At room temperature, weigh 0.297g (3mmol) of cuprous chloride, 2.045g (3mmol) of benzimidazole phosphine ligands and 0.786g (3mmol) of triphenylphosphine into a mixed solution of 25ml of dichloromethane and acetonitrile medium (volume ratio of dichloromethane to acetonitrile=4:1), heated to 45° C. and kept stirring at this temperature for 3 hours. The reacted solution was filtered and transferred to a 30ml small glass bottle, and naturally volatilized for 96 hours to obtain complex crystals, which were filtered out, washed with a small amount of acetonitrile, and vacuum-dried to obtain the final product with a yield of 76%.

[0033] The structural formula of the benzimidazole phosphine ligand used in embodiment 1 and embodiment 2 is:

[0034]

[0035] The benzimidazole phosphine ligand and triphenylphosphine and cuprous chloride according to Figure 4 The structural formula of the mononuclear copper complex that shows reaction principle reaction finally obtained is ...

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Abstract

The invention discloses a mononuclear copper complex with fluorescence property and a preparation method thereof. The molecular formula of the complex is C63H51CuClN3O2P2, and the structural formula of the complex is shown in the specification. The crystal of the complex belongs to a triclinic system, and the cell parameters are as follows: alpha = 79.21 degrees, beta = 87.78 degrees and gamma = 86.12 degrees. Each complex molecule comprises a copper ion, a benzoimidazolylphosphine ligand and a triphenylphosphine auxiliary ligand. In the crystal, Cu ions in the center of the complex are respectively coordinated with Cl ions, N and P atoms in benzimidazolylphosphine ligands and P atoms in the auxiliary ligand triphenylphosphine to form a tetra-coordinated twisted tetrahedral configuration.The invention also provides a preparation method of the complex. The method is mild in reaction condition, simple in preparation process and low in cost. The copper complex has good thermal stabilitywhile having fluorescence property.

Description

technical field [0001] The invention belongs to the technical field of metal-organic complex synthesis, and in particular relates to a mononuclear copper complex with fluorescence performance and a preparation method thereof. Background technique [0002] As one of the important research topics in materials chemistry today, metal-organic complexes not only have structural aesthetic value, but also have good application prospects in the fields of luminescence, magnetism, adsorption, hydrogen storage, catalysis, and separation. In particular, the construction of coordination polymers with highly thermally stable structures and special physicochemical properties through the coordination of metal ions and organic multifunctional ligands has attracted great interest. However, designing and constructing such materials with special structures and functions is an innovative technology, which is very challenging, especially materials with good thermal stability and optical properties...

Claims

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Application Information

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IPC IPC(8): C07F9/50C09K11/06
CPCC07F9/5045C09K11/06C09K2211/188C07B2200/13
Inventor 尹国杰张斌焦冰晶杜晨霞张琳李冬杨刚宾
Owner LUOYANG INST OF SCI & TECH
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