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Niacin derivative ligand samarium metal complex with light-emitting function and preparation method thereof

A technology of metal complexes and derivatives, which is applied in the direction of 3/13 group organic compounds without C-metal bonds, organic chemistry methods, compounds containing periodic table group 3/13 elements, etc., can solve the environmental pollution of organic solvents Large, high reaction temperature, poor repeatability and other problems, to achieve the effect of less environmental pollution, simple process and good repeatability

Inactive Publication Date: 2016-05-04
NANYANG NORMAL UNIV
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  • Description
  • Claims
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Problems solved by technology

[0004] The preparation method of samarium metal complexes reported in the literature currently adopts the solvothermal synthesis method, which has technical defects such as large environmental pollution by organic solvents, high reaction temperature, high risk, low yield and poor repeatability.

Method used

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  • Niacin derivative ligand samarium metal complex with light-emitting function and preparation method thereof
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  • Niacin derivative ligand samarium metal complex with light-emitting function and preparation method thereof

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Embodiment 1

[0023] The present invention is a preparation method of nicotinic acid derivative ligand samarium metal complex with luminescent function, the steps are as follows:

[0024] ⑴. Dissolve 2mmoL sodium hydroxide in 5mL water at low temperature, and stir to obtain an alkaline solution of hydroxide;

[0025] ⑵. At room temperature, 1mmol of 5-(4-carboxyphenoxy)nicotinic acid was dissolved in 5mL of sodium hydroxide aqueous solution, and stirred evenly to obtain 5-(4-carboxyphenoxy)nicotinic acid sodium salt solution;

[0026] ⑶. At room temperature, 2mmoLSm(NO 3 ) 3 Dissolve in 5mL water, stir well to get Sm(NO 3 ) 3 aqueous solution;

[0027] ⑷. At room temperature, 5mL of 5-(4-carboxyphenoxy) nicotinic acid sodium salt solution and 5mL of Sm(NO 3 ) 3 The aqueous solutions were mixed, and after stirring evenly, 5-(4-carboxyphenoxy) nicotinic acid sodium salt solution and Sm(NO 3 ) 3 Mixed solutions of aqueous solutions;

[0028] ⑸. At room temperature, 5-(4-carboxyphenoxy...

Embodiment 2

[0030] The present invention is a preparation method of nicotinic acid derivative ligand samarium metal complex with luminescent function, the steps are as follows:

[0031] ⑴. At room temperature, dissolve 2mmoL potassium hydroxide in 5mL water, stir well to obtain an alkaline solution of potassium hydroxide;

[0032] (2) At room temperature, 1mmol of 5-(4-carboxyphenoxy)nicotinic acid was dissolved in 5mL of potassium hydroxide aqueous solution, and stirred evenly to obtain 5-(4-carboxyphenoxy)nicotinic acid potassium salt solution;

[0033] ⑶. At room temperature, 2mmoLSm(NO 3 ) 3 Dissolve in 5mL water, stir well to get Sm(NO 3 ) 3 aqueous solution;

[0034] ⑷. At room temperature, 5mL of 5-(4-carboxyphenoxy) nicotinic acid potassium salt solution and 5mL of Sm(NO 3 ) 3 The aqueous solutions were mixed, and after stirring evenly, 5-(4-carboxyphenoxy) nicotinic acid potassium salt solution and Sm(NO 3 ) 3 Mixed solutions of aqueous solutions;

[0035] ⑸. At room tem...

Embodiment 3

[0037] The present invention is a preparation method of nicotinic acid derivative ligand samarium metal complex with luminescent function, the steps are as follows:

[0038] ⑴. At room temperature, dissolve 4mmoL sodium hydroxide in 5mL water, and stir to obtain an alkaline solution of hydroxide;

[0039]⑵. At room temperature, 2mmol of 5-(4-carboxyphenoxy)nicotinic acid was dissolved in 5mL of sodium hydroxide aqueous solution, and stirred evenly to obtain 5-(4-carboxyphenoxy)nicotinic acid sodium salt solution;

[0040] ⑶. At room temperature, the 4mmoLSm (NO 3 ) 3 Dissolve in 5mL water, stir well to get Sm(NO 3 ) 3 aqueous solution;

[0041] ⑷. At room temperature, 5mL of 5-(4-carboxyphenoxy) nicotinic acid sodium salt solution and 5mL of Sm(NO 3 ) 3 The aqueous solutions were mixed, and after stirring evenly, 5-(4-carboxyphenoxy) nicotinic acid sodium salt solution and Sm(NO 3 ) 3 Mixed solutions of aqueous solutions;

[0042] ⑸. At room temperature, 5-(4-carboxyp...

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Abstract

The invention provides a niacin derivative ligand samarium metal complex with a light-emitting function. The metal complex is a complex of 5-(4-carboxyl phenoxy)niacin and samarium metal, and the chemical formula is [Sm(CPNA)2]n, wherein CPNA is 5-(4-carboxyl phenoxy)niacin. According to a preparation method, an alkaline solution prepared at normal temperature, a 5-(4-carboxyl phenoxy)niacin salt solution and a Sm(NO3)3 water solution are mixed, heated and cooled to obtain the complex. The preparation method is small in environmental pollution and low in energy consumption, the process is simple, reproducibility is good, and the complex can generate fluorescence and can be widely applied to the fields of electroluminescence, chemical sensors, fluorescence PET sensors or fluorescence probes as a light-emitting material.

Description

technical field [0001] The invention relates to a rare earth metal samarium complex, in particular to a nicotinic acid derivative ligand samarium metal complex with light emitting function, and also relates to a preparation method of the complex. Background technique [0002] Photoluminescence refers to the phenomenon that an object relies on external light sources to irradiate, thereby obtaining energy, generating excitation and leading to luminescence. Photoluminescence can provide some information about the structure, composition and environmental atomic arrangement of some materials. It is a non-destructive and highly sensitive analysis method. If laser is applied to this type of analysis method, it can Going deeper into the fields of micro-regions, selective excitation and transient processes, it has further become an important research method, applied to the fields of physics, material science, chemistry and molecular biology, and gradually emerging new border discipli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F5/00C09K11/06
CPCC07F5/003C07B2200/13C09K11/06C09K2211/182
Inventor 赵强沈芝于林涛毕冬琴柳文敏
Owner NANYANG NORMAL UNIV
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