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8-aminoquinoline schiff base and zinc rhodanate metal complex and preparation method thereof

A technology of aminoquinoline Schiff base zinc thiocyanate and metal complexes, applied in zinc organic compounds, organic chemical methods, organic chemistry, etc.

Inactive Publication Date: 2016-05-04
ANQING NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The complex forms a three-dimensional supramolecular structure through hydrogen bonding and π…π aromatic ring stacking

Method used

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  • 8-aminoquinoline schiff base and zinc rhodanate metal complex and preparation method thereof
  • 8-aminoquinoline schiff base and zinc rhodanate metal complex and preparation method thereof
  • 8-aminoquinoline schiff base and zinc rhodanate metal complex and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Example 1: 0.10 mmol of 8-aminoquinoline (14.4 mg), 0.10 mmol of salicylaldehyde (12.2 mg) and 0.10 mmol of triethylamine (10.1 mg) were all dissolved in 30 ml of methanol solvent, and refluxed for 2 hours under stirring. After cooling, slowly add 0.10mmol Zn(ClO 4 ) 2 ·6H 2 O (37.2 mg), 0.10 mmol KSCN (9.7 mg) in 10 ml of methanol solution, stirred at room temperature for 7 days, filtered; the filtrate was placed in a 50 ml beaker, sealed with a film, and small holes were made to volatilize naturally. Thirty-five days later, yellow flaky crystals were obtained, filtered, and the filter cake was washed with ether to obtain the target complex. The calculated yield was 31% based on 8-aminoquinoline.

Embodiment 2

[0014] Example 2: 0.10 mmol 8-aminoquinoline (14.4 mg), 0.10 mmol salicylaldehyde (12.2 mg) and 0.11 mmol triethylamine (11.1 mg) were all dissolved in 30 ml ethanol solvent, and refluxed for 3 hours under stirring. After cooling, slowly add 0.10mmol Zn(ClO 4 ) 2 ·6H 2 O (37.2mg), 0.12mmol KSCN (11.6mg) in 10ml ethanol solution, stirred at room temperature for 7 days, filtered; the filtrate was placed in a 50ml beaker, sealed with a film, and small holes were made to volatilize naturally. Thirty-five days later, yellow flaky crystals were obtained, filtered, and the filter cake was washed with ether to obtain the target complex. The calculated yield was 38% based on 8-aminoquinoline.

Embodiment 3

[0015] Example 3: 0.10mmol 8-aminoquinoline (14.4mg), 0.10mmol salicylaldehyde (12.2mg) and 0.12mmol triethylamine (12.1mg) were all dissolved in 30ml of acetone solvent, stirred and refluxed for 4 hours, cooled After that, slowly add 0.10mmol Zn(ClO 4 ) 2 ·6H 2 O (37.2mg), 0.15mmol KSCN (14.6mg) in 10ml of acetone solution, stirred at room temperature for 7 days, filtered; the filtrate was placed in a 50ml beaker, sealed with a film, and made small holes, and naturally volatilized. Thirty-five days later, yellow flaky crystals were obtained, filtered, and the filter cake was washed with ether to obtain the target complex. The calculated yield was 36% based on 8-aminoquinoline.

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Abstract

The invention discloses 8-aminoquinoline Schiff base and zinc rhodanate metal complex and a preparation method thereof. The preparation method comprises the steps of dissolving 8-aminoquinoline, salicylic aldehyde and triethylamine into an organic solvent, and performing backflow and cooling while stirring; adding an organic solution in which zinc perchlorate hexahydrate and potassium thiocyanate are dissolved, stirring for 7 days at normal temperature, filtering, enabling filter liquor to naturally volatilize, and obtaining yellow tabular crystals after 35 days; filtering, and washing filter cakes with diethyl ether, so as to obtain a complex single crystal with a molecular formula of C18H15N3O2SZn. The complex forms a 3d supramolecular structure through hydrogen bonds and Pi. . . Pi aromatic nucleus accumulation.

Description

technical field [0001] The invention belongs to the field of organic synthesis, and relates to an 8-aminoquinoline Schiff base zinc thiocyanate metal complex single crystal and a preparation method. Background technique [0002] Chirality is a very important characteristic of molecules and is an important research topic in chemistry, pharmacy and biology. The structure of Schiff base compounds contains N, O and other atoms with lone pairs of electrons, and is easy to coordinate with transition metals, rare earth metals, etc. to form complexes. Widely used in the field of materials. Chiral Schiff base complexes not only have the characteristics of chirality, but also have the function of Schiff base complexes, so they are widely used in drug synthesis, functional materials, especially in catalysis. important direction. People often choose Schiff bases as the ligands of Cu, Co, Ni, Zn and other transition metal elements and heavy metal elements to form catalysts and apply t...

Claims

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Application Information

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IPC IPC(8): C07F3/06
CPCC07F3/06C07B2200/13
Inventor 徐衡陈正祥冯学军朱昌海姜灏黄荣谊王钧伟
Owner ANQING NORMAL UNIV
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