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Chiral supramolecular metal phosphonate crystal material, preparation method and application

A technology of crystal materials and supramolecules, applied in the field of inorganic and material chemistry science, can solve the problems of chiral supramolecular metal phosphonate material construction and performance research that have not been reported yet.

Inactive Publication Date: 2021-06-11
LIAONING NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the research on metal phosphonate materials has been developed rapidly, there are no reports on the construction and properties of chiral supramolecular metal phosphonate materials.

Method used

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  • Chiral supramolecular metal phosphonate crystal material, preparation method and application
  • Chiral supramolecular metal phosphonate crystal material, preparation method and application
  • Chiral supramolecular metal phosphonate crystal material, preparation method and application

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Embodiment 1

[0030] This embodiment involves a ( P )‒[Zn(L)(2,2'–bipy)]•H 2 O (hereinafter referred to as P -The preparation method of Zn) is carried out according to the following steps successively:

[0031] 0.09g Zn(Ac) 2 • 2H 2 O, 0.07g 2,2'-bipy, 0.07g p-carboxybenzylphosphonic acid ethyl ester and 0.014g quinine were added to 10mL deionized water, and the mixture was stirred for 1 hour, then put into a 20mL lined polytetrafluoroethylene sleeve In a stainless steel reaction kettle, place 80 DEG C of crystallization in a constant temperature drying oven for 3 days, cool to room temperature and take it out to obtain a colorless block crystal, which is the prepared ( P )‒[Zn(L)(2,2'–bipy)]•H 2 O crystal material. Its structure was determined by Bruker Smart APEX II single crystal diffractometer test, the test results show that the molecular formula of the crystal is C 20 h 21 N 2 o 6 PZn belongs to the orthorhombic crystal system, and the space group is P 2 1 2 1 2 1 , the ...

Embodiment 2

[0033] This embodiment involves a ( M )‒[Zn(L)(2,2'–bipy)]•H 2 O (hereinafter referred to as M -The preparation method of Zn) is carried out according to the following steps successively:

[0034] 0.09g Zn(Ac) 2 • 2H 2 O, 0.07g 2,2'-bipy, 0.07g ethyl p-carboxybenzylphosphonate and 0.014g cinchonidine were added to 10mL deionized water, and the mixture was stirred for 1 hour, then filled with a volume of 20mL lined with polytetrafluoroethylene In the stainless steel reaction kettle of ethylene cover, be placed in the constant temperature oven of 80 ℃ and crystallize for 3 days, be cooled to room temperature and take out, obtain colorless massive crystal, be prepared ( M )‒[Zn(L)(2,2'–bipy)]•H 2 O crystal material. Its structure was determined by Bruker Smart APEX II single crystal diffractometer test, the test results show that the molecular formula of the crystal is C 20 h 21 N 2 o 6 PZn belongs to the orthorhombic crystal system, and the space group is P 2 1 2 1 ...

Embodiment 3

[0044] This embodiment involves a ( P )‒[Cu(L)(2,2'–bipy)]•H 2 O (hereinafter referred to as P ‒Cu) preparation method, carry out according to the following steps successively:

[0045] 0.09g Cu(Ac) 2 •H 2 O, 0.07g 2,2'-bipy, 0.07g p-carboxybenzylphosphonic acid ethyl ester and 0.014g quinine were added to 10mL deionized water, and the mixture was stirred for 1 hour, then put into a 20mL lined polytetrafluoroethylene sleeve In a stainless steel reaction kettle, place 80 DEG C of crystallization in a constant temperature drying oven for 3 days, cool to room temperature and take it out to obtain a blue block crystal, which is the prepared ( P )‒[Cu(L)(2,2'–bipy)]•H 2 O crystal material. Its structure was determined by Bruker Smart APEX II single crystal diffractometer test, the test results show that the molecular formula of the crystal is C 20 h 21 N 2 o 6 PCu belongs to the orthorhombic crystal system, and the space group isP 2 1 2 1 2 1 , the cell parameters are:...

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Abstract

The invention discloses a chiral supramolecular metal phosphonate crystal material, a preparation method and an application, and belongs to the field of inorganic and material chemistry sciences. The chemical formula of the crystal material is [M(L)(2,2'–bipy)]•H 2 O or [Mʹ(L)(2,2'–bipy)(H 2 O)], where M is one of the divalent metals zinc or copper, Mʹ is one of the divalent metals cobalt, cadmium or manganese, L is ethyl p-carboxybenzylphosphonate, 2,2'–bipy For 2,2'-bipyridine. Preparation method: react phosphonic acid ligand L, 2,2'-bipyridine, metal salt, and chiral template under hydrothermal conditions to obtain a monochiral metal phosphonate crystal material. The crystal material can recognize tryptophan molecules with high sensitivity and selectivity, and its skeleton does not change after recognition, showing extremely high stability and repeatability, and has a good application prospect.

Description

technical field [0001] The invention belongs to the field of inorganic and material chemistry sciences, and in particular relates to a class of chiral supramolecular metal phosphonate crystal materials, preparation methods and applications. Background technique [0002] Metal phosphonate materials have attracted extensive attention from the international chemical and material circles because they show the advantages of combining pure inorganic and pure organic materials. In recent years, due to the development of coordination polymer crystal engineering and the improvement of synthesis and characterization techniques, people have gradually realized the chirality of inorganic supramolecular materials. Chiral supramolecular materials can not only simulate phenomena in biological systems and deepen the understanding of life sciences, but are also widely used in asymmetric synthesis, nonlinear optics, molecular recognition and self-assembly, polymer and material science, autocat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G83/00G01N21/19G01N21/64G01N23/207
CPCC08G83/008G01N21/19G01N21/6428G01N23/207G01N2021/6432
Inventor 朱艳钰孙振刚马超孙梦
Owner LIAONING NORMAL UNIVERSITY