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Preparation method of ni-salen complex and ni-salen complex

A technology of complexes and ligands, applied in the direction of electrolytic components, electrolytic organic production, electrolytic process, etc., can solve problems such as troubles, and achieve the effect of simple steps and convenient operation

Active Publication Date: 2019-06-25
湖北特腾新材料技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

It is cumbersome to build a reaction system during synthesis; moreover, steps such as temperature control, stirring, and post-separation of products are required

Method used

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  • Preparation method of ni-salen complex and ni-salen complex
  • Preparation method of ni-salen complex and ni-salen complex
  • Preparation method of ni-salen complex and ni-salen complex

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[0023] The invention provides a preparation method of a Ni-Salen complex. After electrodepositing nickel ferricyanide on the surface of a bare electrode, the Salen ligand is modified, and then the modified electrode is electrochemically activated in lye to obtain a Ni-Salen complex. Modified electrodes, Ni-Salen complexes were synthesized on the electrode surface.

[0024] The preparation method provided by the invention uses an electrode to directly electrochemically synthesize the Ni-Salen complex, and proposes a new preparation method of the Ni-Salen complex.

[0025] At the same time, the electrochemical synthesis method proposed in the present invention only needs to perform electrodeposition and surface modification operations, and does not need to perform operations such as building a system, controlling temperature, stirring, and separating. The steps are simple and the operation is convenient.

[0026] The present invention uses a glassy carbon electrode (GCE) for ele...

Embodiment 1

[0041] A preparation method of Ni-Salen complex, comprising:

[0042] S1. Polish the glassy carbon electrode and then ultrasonically clean it to obtain a bare GCE.

[0043] S2. Put bare GCE into K 3 [Fe(CN) 6 ] and NiAc 2 The concentration is 10mmol / L solution, and the cyclic voltammetry scans 20 times to get NiHCF / GCE.

[0044] S3. Drop-coat the Salen ligand solution with a concentration of 10mg / mL on the surface of NiHCF / GCE, put it into 0.01mol / L sodium hydroxide solution after drying, and perform cyclic voltammetry scanning in the potential range of -1 to 1V. Get Salen-Ni / GCE.

Embodiment 2

[0046] A preparation method of Ni-Salen complex, comprising:

[0047] S1. Polish the glassy carbon electrode and then ultrasonically clean it to obtain a bare GCE.

[0048] S2. Put bare GCE into K 3 [Fe(CN) 6 ] and NiAc 2 The concentration is 100mmol / L solution, and the cyclic voltammetry scans 25 times to obtain NiHCF / GCE.

[0049] S3. Drop-coat the Salen ligand solution with a concentration of 10mg / mL on the surface of NiHCF / GCE, put it into 0.01mol / L sodium hydroxide solution after drying, and perform cyclic voltammetry scanning in the potential range of -1 to 1V. Get Salen-Ni / GCE.

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Abstract

The preparation method of the Ni-Salen complex and the Ni-Salen complex belong to the technical field of Ni-Salen preparation. After electrodeposition of nickel ferricyanide complexes on the electrode surface, the Salen ligand is modified and electroactivated in lye. It uses electrodes to directly electrochemically synthesize Ni-Salen complexes, with simple steps and convenient operation.

Description

technical field [0001] The invention relates to the technical field of Ni-Salen preparation, in particular to a method for preparing a Ni-Salen complex and the Ni-Salen complex. Background technique [0002] Salen is the abbreviation of N, N'-bis-(salicylaldehyde)ethylene-diamine compound, and the Salen ligand is developed on the basis of this tetradentate ligand Schiff base. The nitrogen atom, oxygen atom and metal ion coordination structure of the Salen complex are relatively close to the biological environment, and have aroused widespread interest in the field of molecular recognition. As asymmetric catalysts, Salen complexes are more and more favored by scientists due to their simple structure, diverse types, simple synthetic routes, and easy recycling of catalysts, and are widely used in various reactions. With the continuous synthesis of new Salen derivatives and their metal complexes, the functional material properties of Salen-type complexes, such as nonlinear optic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25B3/12C25B3/13
CPCC25B3/13
Inventor 刘传银姚继平
Owner 湖北特腾新材料技术有限公司
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