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Polyacid-based copper complex based on 2-picolinic acid and preparation method and application of complex

A picolinic acid, copper complex technology, applied in copper organic compounds, organic compounds/hydrides/coordination complex catalysts, chemical instruments and methods, etc., can solve the problems of reducing the dimension of the result, increasing the dimension of the target product, etc. The effect of improving the cleaning ability

Pending Publication Date: 2019-05-21
JIAXING UNIV +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The reason is that the charge carried by the polyoxometalate can adjust its corresponding coordination number; and the higher reaction temperature is easier to increase the dimension of the target product, the root of which is that the high temperature provides the feasibility for the generation of covalent bonds; Counterions can act as templating agents to limit the self-assembly of building units and reduce the resulting dimensionality

Method used

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  • Polyacid-based copper complex based on 2-picolinic acid and preparation method and application of complex
  • Polyacid-based copper complex based on 2-picolinic acid and preparation method and application of complex
  • Polyacid-based copper complex based on 2-picolinic acid and preparation method and application of complex

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Experimental program
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Effect test

Embodiment 1

[0042] [Cu(2-PA) of the one-dimensional chain structure 2 ]·2H 2 O was prepared as follows:

[0043] 0.24gCu(NO 3 ) 2 ·3H 2 O, 0.12g of 2-PA, 0.12g of PMo 12 and 10 g of H 2 0 mixed, evaporated and refluxed at 100°C for 6 hours with a condenser tube, obtained a blue transparent solution after cooling, left to volatilize after filtering, and obtained a blue transparent cuboid crystal, which is the [Cu( 2-PA) 2 ]·2H 2 O, hereinafter referred to as compound 1.

Embodiment 2

[0045] [(CH of the zero-dimensional supramolecular structure 3 ) 4 N][Cu(2-PA) 2 (SiW 12 o 40 ) 2 ] is prepared as follows:

[0046] 0.24g of Cu(NO 3 ) 2 ·3H 2 O, 0.12g of 2-PA, 0.2g of SiW 12 and 10 g of H 2 0 mixed with HNO 3 The solution was adjusted to a pH of 3.5, and added to a 15mL polytetrafluoroethylene-lined high-pressure stainless steel reactor, sealed and placed in an oven at 160°C for 3 days to obtain light blue cubic crystals, namely [(CH 3 ) 4 N][Cu(2-PA) 2 (SiW 12 o 40 ) 2 ], hereinafter referred to as compound 2.

Embodiment 3

[0048] [Cu of the homochiral two-dimensional network structure 6 (2-PA) 9 (PMo 12 o 40 )(NO 3 )]·H 2 O was prepared as follows:

[0049] 0.24g of Cu(NO 3 ) 2 ·3H 2 O, 0.12g of 2-PA, 0.1g of Mo 7 o 24 and 0.35 g of H 3 PO 4 , adding 10 g of H 2 0 mixed with HNO 3 The pH of the solution was adjusted to 0.5, and it was added to a 15mL polytetrafluoroethylene-lined high-pressure stainless steel reactor. After sealing, the reactor was placed in an oven at 160°C for 3 days, and a large number of green polygonal crystals were obtained, which was the pure [Cu 6 (2-PA) 9 (PMo 12 o 40 )(NO 3 )]·H 2 O, hereinafter referred to as compound 3.

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Abstract

The invention discloses a polyacid-based copper complex based on 2-picolinic acid. The method comprises the steps that the 2-picolinic acid serves as a main ligand, polyacid serves as an auxiliary ligand, the 2-picolinic acid and polyacid react with copper nitrate hydrate respectively in the presence of water, and the polyacid-based copper complex based on the 2-picolinic acid is synthesized. Thepolyacid-based copper complex based on the 2-picolinic acid is [Cu(2-PA)2] 2H2O of a one-dimensional chain structure or [(CH3)4N][Cu(2-PA)2(SiW12O40)2] of a zero-dimensional supramolecular structure or [Cu6(2-PA)9(PMo12O40)]NO3)] H2O of a pure chiral two-dimensional network structure. The polyacid-based copper complex based on the 2-picolinic acid has a good degradation effect on organic dyes andcan serve as an additive of a cleaning agent, and the cleaning capability of the cleaning agent is improved.

Description

technical field [0001] The invention relates to the technical field of polyacid complexes. More specifically, the present invention relates to a polyacid-based copper complex based on 2-pyridinecarboxylic acid and its preparation method and application. Background technique [0002] Up to now, humans have explored more than 80 polyacid configurations. Polyacid has special properties because of its special structure. Due to the outstanding advantages of high selectivity, high yield, high catalytic activity, low volatility and low corrosion, polyacids are widely used in the field of catalysis, mainly including photocatalysis, acid catalysis and oxidation catalysis. Recently, the photocatalytic application of polyacids in the treatment of organic wastewater and photolysis of water to produce hydrogen has also achieved little success. The research projects of photocatalytic degradation in the field of degradation of organic pollutants in water and dye solutions have made good ...

Claims

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Application Information

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IPC IPC(8): C07F1/08B01J31/22C07D213/803C07D213/79C08G83/00C02F1/30C23G1/00C02F101/30C02F101/34C02F101/38
Inventor 谢景力张俊勇曾祥华郭海洋徐昊
Owner JIAXING UNIV
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