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A copper coordination polymer and its preparation method, crystal and use

A technology of polymer and copper coordination, applied in the field of chemistry, can solve the problems of less research on antiferromagnetism, antibacterial and antibacterial applications, and achieve good inhibition effect, good antibacterial performance, and good antiferromagnetic coupling performance. Effect

Active Publication Date: 2022-03-22
HUNAN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the previous research process, most of them focused on the application of its fluorescent probes, adsorption, biosensing, PVC heat stabilizers, magnetic materials and anticancer drugs, but in its copper coordination polymers and their crystals, There are few studies on antiferromagnetic, antibacterial and antibacterial applications

Method used

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  • A copper coordination polymer and its preparation method, crystal and use
  • A copper coordination polymer and its preparation method, crystal and use
  • A copper coordination polymer and its preparation method, crystal and use

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Experimental program
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Effect test

Embodiment 1

[0037] Embodiment 1 copper coordination polymer [Cu 6 (C 7 h 5 N 4 ) 6 ] n preparation of

[0038] Add 0.2mmol (48.0mg) 2,2′-biphenyldicarboxylic acid, 0.3mmol (about 28.7mg) cuprous bromide, 0.1mmol (14.6mg) 3–(2–pyridyl)–1,2, Add 4-triazole into a 30mL hydrothermal reaction kettle, a mixed solution of DMF and water (volume ratio 3:1), adjust the pH value to 6-7 with ammonia water, control the temperature at 140°C, and react for 72 hours. Speed ​​drops to room temperature, obtains blue crystal, is described copper coordination polymer, productive rate 81.24%, fusing point: 278~280 ℃; Elemental analysis (C 84 h 60 Cu 12 N 48 ): Theoretical value (%): C, 40.22; H, 2.41; N, 26.81; Measured value (%): C, 40.14; H, 2.40; N, 26.89. The main absorption peaks of IR are: 3323(s), 1602.8(vs), 1483.2(vs), 1423.5(m), 1336.7(m), 1286.5(w), 1141.9(m), 1049.3(w), 1024.2(m) ,800.5(m),760.0(w),719.5(m),522.7(w).

Embodiment 2

[0039] Embodiment 2 copper coordination polymer [Cu 6 (C 7 h 5 N 4 ) 6 ] n preparation of

[0040] Add 0.3mmol (72.0mg) 2,2′-biphenyldicarboxylic acid, 0.2mmol (about 38.0mg) cuprous iodide, 0.1mmol (14.6mg) 3–(2–pyridyl)–1,2, Add 4-triazole into a 30mL hydrothermal reaction kettle, a mixed solution of acetonitrile and water (volume ratio 1:4), adjust the pH value to 6.5-7.5 with potassium hydroxide, control the temperature at 160°C, react for 48 hours, press Decrease to room temperature at a certain speed to obtain blue crystals, namely the copper coordination polymer, with a yield of 78.12%.

Embodiment 3

[0041] Embodiment 3 copper coordination polymer [Cu 6 (C 7 h 5 N 4 ) 6 ] n preparation of

[0042] Add 0.2mmol (48.0mg) 2,2′-biphenyldicarboxylic acid, 0.4mmol (about 39.6mg) cuprous chloride, 0.2mmol (29.2mg) 3-(2-pyridyl)-1,2, Add 4-triazole into a 30mL hydrothermal reaction kettle, a mixed solution of methanol and water (volume ratio 1:1), adjust the pH value to 5-6.5 with triethylamine, control the temperature at 150°C, react for 72 hours, press Decrease to room temperature at a certain speed to obtain blue crystals, namely the copper coordination polymer, with a yield of 80.32%.

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Abstract

The invention discloses a copper coordination polymer. The polymer comprises a repeating structural unit of formula I: the polymer has a multi-nuclear structure, and the molecular structure of the polymer is stable; the invention also discloses a preparation method of the polymer, Add 2,2′-biphenyldicarboxylic acid, copper salt, 3-(2-pyridyl)-1,2,4-triazole to the mixture of organic components and water, and adjust the pH value to 4-8 , react, and place it at room temperature after the reaction, and the polymer synthesized by this method has the advantages of simple method, convenient purification, high yield, and good stability in air; the present invention also discloses the crystal of the polymer, and the present invention The polymer is used in the preparation of antiferromagnetic materials and antibacterial drugs.

Description

technical field [0001] The invention relates to the field of chemistry, in particular to a copper coordination polymer and its preparation method, crystal and application. Background technique [0002] Coordination polymers are structures in which inorganic or metal-organic polymers containing metal cation centers are connected by organic ligands. Coordination polymers are more formally referred to as having repeating coordinating entities extending in 1, 2 or 3 dimensions. [0003] The repeating units of coordination polymers are coordination complexes. Coordination polymers include subclasses of coordination networks that are extensions of coordination compounds, repeating through coordination entities in one dimension, and having two or more individual chains, rings, helical links or through Coordinating entities extend cross-links between coordinating compounds in 2 or 3 dimensions. The coordination networks generated by these void-containing organic ligands have the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G83/00A61P31/04H01F1/00
CPCC08G83/008A61P31/04H01F1/0009Y02A50/30
Inventor 李昶红李薇
Owner HUNAN INST OF TECH
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