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Rare earth material based on diphenylamine carbonyl benzoic acid, and preparation method and application thereof

A technology of carbonyl benzoic acid and rare earth materials, applied in luminescent materials, analytical materials, material excitation analysis, etc., can solve problems such as unseen research

Active Publication Date: 2021-09-14
HENGYANG NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen that the application of rare earth complexes as identification materials has begun to appear, but the fluorescent materials of rare earth complexes are used in the identification of dichromate ions (Cr 2 o 7 2- ) but no research has been done on the application of

Method used

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  • Rare earth material based on diphenylamine carbonyl benzoic acid, and preparation method and application thereof
  • Rare earth material based on diphenylamine carbonyl benzoic acid, and preparation method and application thereof
  • Rare earth material based on diphenylamine carbonyl benzoic acid, and preparation method and application thereof

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preparation example Construction

[0043] Further, the present invention also provides a method of preparing a rare earth material based on diphenylaminecarbonylbenzoic acid, including the following steps:

[0044] Step 1, 0.35-0.45 mmol 2-diphenylamarbonylbenzoic acid, 0.15-0.25 mmol 1.10-adjacent rodrine, 0.15-0.20mmol of six-water and 0.10-0.20mmol of tetrafrot acetate In the round bottom flask, 10-15 ml of volume ratio (4.5-5.5): 1 of anhydrous ethanol and water composition is added;

[0045] Step 2, the control temperature is 65-75 ° C, the water bath is heated, stirred, and the reaction is 7.5-8.5 hours;

[0046] Preferably, the control temperature is 70 ° C, the water bath is heated, stirred, and the reaction is 8 hours.

[0047] Step three, after the mixed solvent is cooled, filtered, retain the filtrate;

[0048] Step 4, cover a layer of fresh-keeping film with a small hole in the filtrate, placed in room temperature, to obtain a colorless crystalline product, ie rare earth material based on diphenylamine-...

Embodiment 1

[0052] The present invention provides a method of preparing a rare earth material based on diphenylaminecarbonylbenzoic acid, comprising the steps of:

[0053] Step 1, 0.35 mmol of 2-diphenylamarbonylbenzoic acid, 0.15 mmol 1.10-adjacent rodrine, 0.15 mmol of hexahydrate and 0.10 mol of tetrafrot acetate gangnamine, and added A mixed solvent consisting of 10 ml volume ratio of 4.5: 1 is mixed with water;

[0054] Step 2, the control temperature is 70 ° C, the water bath is heated, stirred, and the reaction is 8 hours;

[0055] Step three, after the mixed solvent is cooled, filtered, retain the filtrate;

[0056] Step 4, cover a layer of fresh-keeping film with a small hole in the filtrate, placed in room temperature, to obtain a colorless crystalline product, ie rare earth material based on diphenylamine-based benzoic acid.

Embodiment 2

[0058] The present invention provides a method of preparing a rare earth material based on diphenylaminecarbonylbenzoic acid, comprising the steps of:

[0059] Step 1, 0.42 mmol of 2-diphenylamarbonylbenzoic acid, 0.20 mmol 1.10-adjacent rodrine, 0.18 mmol of hexa nitrate and 0.14 mol of tetrafrot acetate gang manganese is added to the round bottom flask, and added The mixed solvent consisting of 12 ml volume ratio of 5: 1 is 50: 1.

[0060] Step 2, the control temperature is 70 ° C, the water bath is heated, stirred, and the reaction is 8 hours;

[0061] Step three, after the mixed solvent is cooled, filtered, retain the filtrate;

[0062] Step 4, cover a layer of fresh-keeping film with a small hole in the filtrate, placed in room temperature, to obtain a colorless crystalline product, ie rare earth material based on diphenylamine-based benzoic acid.

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Abstract

The invention discloses a rare earth material based on diphenylamine carbonyl benzoic acid. The structural formula of the rare earth material is shown in the specification, and R in the formula is a water molecule. The invention also provides a preparation method and application of the rare earth material based on diphenylamine carbonyl benzoic acid. The rare earth material has the beneficial effects that the rare earth material based on diphenylamine carbonyl benzoic acid can be used as a fluorescent probe for identifying dichromate ions (Cr2O7<2->) harmful to the environment, and has high selectivity; and the yield of the rare earth material based on diphenylamine carbonyl benzoic acid prepared by the method is high.

Description

[Technical field] [0001] The present invention relates to a rare earth light-emitting material, and more particularly to a rare earth material based on diphenylaminecarbonylbenzoic acid and a preparation method thereof. 【Background technique】 [0002] Rare earth is a new type of functional material having a variety of properties such as light, magnetic, electricity, and biology. Rare Earth ions have unique luminescent properties because of its unique structure of its 4F electronics, which makes the rare earth compounds extensive applications in medical, biomara, light guided fibers, lighting devices. The rare earth complex is bonded to the ligand and the rare earth ion coordination, and the lighting principle is that the ligand is transmitted to rare earth ions in a manner that the ligand is absorbed in the ultraviolet region. Emuncing energy leads to rare earth ions luminescence. [0003] In the related art, the rare earth complex has the advantages of high color purity, theoret...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F5/00C09K11/06G01N21/64
CPCC07F5/003C09K11/06G01N21/643C09K2211/182C09K2211/1044C09K2211/1007
Inventor 杨颖群李薇
Owner HENGYANG NORMAL UNIV
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