CN109265703A - It is a kind of three-dimensional containing zinc/copper chiral metal organic framework material and preparation method thereof - Google Patents
It is a kind of three-dimensional containing zinc/copper chiral metal organic framework material and preparation method thereof Download PDFInfo
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- CN109265703A CN109265703A CN201811381546.0A CN201811381546A CN109265703A CN 109265703 A CN109265703 A CN 109265703A CN 201811381546 A CN201811381546 A CN 201811381546A CN 109265703 A CN109265703 A CN 109265703A
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Abstract
The invention discloses a kind of three-dimensionals containing zinc/copper chiral metal organic framework material and preparation method thereof, and chemical formula is { [Zn8O2(H2O)][Cu(H2L)(H2O)2]6}n；By 0.01-0.05mmol Cu (NO when preparation3)2·3H2O and 0.01-0.05mmol mononuclear ligand Cu (H2L)(H2O)2, it is added to the in the mixed solvent of 5-15mL, after being stirred 0.5-1h, 24-72h is reacted under the conditions of 100-120 DEG C, it is cooling to be made three-dimensional containing zinc/vanadium chirality coordination polymer.The three-dimensional tridimensional network containing zinc/copper chiral metal organic framework material with two-fold penetration of the invention, it has constructed the chiral metal organic framework material with potential second nonlinear and asymmetry catalysis performance by combining chiral Cu (salen) ligand and Zn (II) ion.
Description
Technical field
The invention belongs to chiral coordination polymer fields more particularly to a kind of three-dimensional to contain zinc/copper chiral metal organic backbone
Material and preparation method thereof.
Background technique
In recent years, the design and synthesis of chiral metal organic framework material gradually cause the pass of chemist and material scholar
Note.This is because the structure of this material is full of variety, colourful topological structure can be shown, therefore not only there is structure
Theoretical significance there is tempting application prospect at the same time as excellent functional material.At present for this material
Research focuses primarily upon (Hu, the et such as asymmetry catalysis, enantioselectivity separation, second-order non-linear optical materials and ferroelectric material
al,J.Am.Chem.Soc.,2013,135,7901；Yao,et al,Chem.Commun.,2015,51,5108).Chiral metal
Organic backbone synthesizes mainly by utilizing the spontaneous fractionation of chiral ligand, chiral template, chiral environment and achiral material,
The utilization of middle chiral ligand be most simple and direct method (Zhang, et al, Dalton Trans., 2015,44,4655；
Cheng,et al,CrystEngComm,2012,14,4437).Meanwhile chiral cyclohexanediamine derivative, it is especially chiral
Salen, as a kind of very distinctive chiral ligand, the chiral coordination polymer constructed is in chiral catalysis, second nonlinear
The fields such as optical material have a good application prospect (Cheng, et al, J.Solid State Chem., 2015,221,
85).Therefore the present invention has been constructed using chirality Cu (salen) ligand and Zn (II) ion has potential second nonlinear and not right
Claim the chiral metal organic framework material of catalytic performance.
Summary of the invention
Goal of the invention: the first object of the present invention is to provide a kind of with potential second nonlinear and asymmetry catalysis performance
Three-dimensional contain zinc/copper chiral metal organic framework material；
The second object of the present invention is to provide the preparation method of the chiral metal organic framework material.
Technical solution: three-dimensional of the invention contains zinc/copper chiral metal organic framework material, and molecular formula is { [Zn8O2
(H2O)][Cu(H2L)(H2O)2]6}n；Wherein, H2L is
5', 5 " '-((1E, 1'E)-([bis- (azane methylene) bis- (methyl methylenes of (1R, 2R)-cyclohexanediamine -1,2- two
Base) bis- (the negative divalent ions of 3'- (tert-butyl) -4'- hydroxyl-[1,1'- diphenyl] -4- carboxylic acid), it is a kind of carboxylic-containing acid
Chiral salen ligands.
The present invention has been constructed by combining chiral Cu (salen) ligand and Zn (II) ion with potential two
The non-linear chiral metal organic framework material with asymmetry catalysis performance of rank.Furtherly, which belongs to tripartite
Crystallographic system, space group R32.Coordination polymer crystallization parameters are as follows: Zn in coordination polymer8Cluster is by two Zn4(μ4-O)
Tetrahedral cluster is formed by connecting by a hydrone, each Zn8Cluster connects 12 Cu (H2L)(H2O)2Connexon, and each Cu
(H2L)(H2O)2Connect two adjacent Zn8Cluster.Zn in coordination polymer4(μ4- O) it is tetrahedral structure, wherein four Zn points
Not Wei Yu tetrahedral four vertex, μ4- O is located at tetrahedral center, four Zn of bridging tetrahedron top.Coordination polymer
In Cu (H2L)(H2O)2, with Cu coordination be the part salen nitrogen-atoms and phenol oxygen atom and two hydrones；With Zn
Coordination is carboxylate oxygen atoms, and two oxygen atoms of the carboxylic acid both participate in coordination, is coordinated respectively with two Zn.
The present invention prepares three-dimensional containing zinc/vanadium chirality coordination polymer method, includes the following steps: to weigh 0.01-
0.05mmol Cu(NO3)2·3H2O and 0.01-0.05mmol mononuclear ligand Cu (H2L)(H2O)2, it is added to 5-15mL's
In the mixed solvent after being stirred 0.5-1h, reacts 24-72h under the conditions of 100-120 DEG C, cooling to be made three-dimensional containing zinc/vanadium hand
Property coordination polymer.
The utility model has the advantages that compared with prior art, remarkable advantage of the invention are as follows: three-dimensional of the invention contains zinc/copper chiral gold
Belong to the tridimensional network that organic framework material has two-fold penetration, by by chiral Cu (salen) ligand and Zn (II) from
Son combines, and then has constructed the chiral metal organic framework material with potential second nonlinear and asymmetry catalysis performance；
Meanwhile preparation method is simple, strong operability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of Inventive polymers.
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawings and embodiments.
Illustrate herein, the raw material that the present invention uses is from commercially available.Wherein, Cu (H2L)(H2O)2The following I formula institute of structural formula
Show:
Embodiment 1
Three-dimensional of the invention contains zinc/copper chiral metal organic framework material, and chemical formula is { [Zn8O2(H2O)][Cu
(H2L)(H2O)2]6}n；Wherein, H2L is 5', 5 " '-(([bis- (azanyl Asias (1R, 2R)-cyclohexanediamine -1,2- two (1E, 1'E) -
Methyl) bis- (methylmethylenes) bis- (the negative divalent ion of 3'- (tert-butyl) -4'- hydroxyl-[1,1'- diphenyl] -4- carboxylic acid),
It is a kind of chiral salen ligands carboxylic-containing acid.
The coordination polymer belongs to trigonal system, space group R32.Crystallization parameters are as follows: Zn in coordination polymer4(μ4- O) it is tetrahedral structure,
Wherein four Zn are located at tetrahedral four vertex, μ4- O is located at tetrahedral center, and four of bridging tetrahedron top
Zn.Cu (H in coordination polymer2L)(H2O)2, with Cu coordination be the part salen nitrogen-atoms and phenol oxygen atom and two
A hydrone；With Zn coordination be carboxylate oxygen atoms, two oxygen atoms of the carboxylic acid both participate in coordination, match respectively with two Zn
Position.
The present invention prepares three-dimensional containing zinc/vanadium chirality coordination polymer method, includes the following steps: 0.028mmol's
Zn(NO3)2·6H2The mononuclear ligand Cu (H of O and 0.024mmol2L1) it is added to 5mL mixed solvent (mixed solvent composition
For DMF:CH3OH:THF=3:1:1 it in), after stirring 30min, is transferred in 15mL polytetrafluoroethylene (PTFE) autoclave, is placed in baking
72h is reacted at 100 DEG C in case, the blackish green crystal of polyhedral is made.
Its crystal structure is measured to the chiral coordination polymer of the embodiment 1 preparation, the result of acquisition is as shown in Figure 1.It is logical
Fig. 1 is crossed it is found that this chiral coordination polymer is based on Zn8The three-dimensional structure of cluster, wherein each Zn8Cluster is by two Zn4(μ4-O)
Tetrahedral cluster is formed by connecting by a hydrone, and each Zn8Cluster connects 12 Cu (H2L)(H2O)2Connexon, and each VO
(H2L two adjacent Zn) are connected8Cluster.
Embodiment 2
By the Zn (NO of 0.01mmol3)2·6H2The mononuclear ligand Cu (H of O and 0.05mmol2L1) it is added to 5mL mixing
(the mixed solvent group becomes DMF:CH to solvent3OH:THF=6:1:0.5 in), after stirring 30min, it is transferred to 15mL polytetrafluoroethyl-ne
It in alkene autoclave, is placed in baking oven and reacts 72h at 100 DEG C, the blackish green crystal of polyhedral is made.
Embodiment 3
By the Zn (NO of 0.05mmol3)2·6H2The mononuclear ligand Cu (H of O and 0.01mmol2L1) to be added to 15mL mixed
(the mixed solvent group becomes DMF:CH to bonding solvent3OH:THF=3:1:1 in), after stirring 1h, it is transferred to 15mL polytetrafluoroethylene (PTFE)
In autoclave, it is placed in baking oven at 120 DEG C and reacts for 24 hours, the blackish green crystal of polyhedral is made.
Through the foregoing embodiment it is found that three-dimensional of the invention is crossed containing zinc/copper chiral metal organic framework material by chiral Cu
(salen) ligand and Zn (II) ion combine, and then have potential second nonlinear and asymmetry catalysis performance.
Claims (8)
1. a kind of three-dimensional containing zinc/copper chiral metal organic framework material, it is characterised in that: its chemical formula is { [Zn8O2(H2O)]
[Cu(H2L)(H2O)2]6}n；Wherein, H2L is 5', 5 " '-((1E, 1'E)-(two [bis- (azane of (1R, 2R)-cyclohexanediamine -1,2-
Methylene) bis- (methylmethylenes) it is bis- (the negative divalent of 3'- (tert-butyl) -4'- hydroxyl-[1,1'- diphenyl] -4- carboxylic acid from
Son), it is a kind of chiral salen ligands carboxylic-containing acid.
2. according to claim 1 three-dimensional containing zinc/copper chiral metal organic framework material, it is characterised in that: the coordination
Polymer belongs to trigonal system, space group R32.
3. according to claim 2 three-dimensional containing zinc/copper chiral metal organic framework material, it is characterised in that: the coordination
Polymer crystallization parameter are as follows:
4. according to claim 1 three-dimensional containing zinc/copper chiral metal organic framework material, it is characterised in that: the coordination
Zn in polymer8Cluster is by two Zn4(μ4- O) tetrahedral cluster is formed by connecting by a hydrone, each Zn8Cluster connection 12
A Cu (H2L)(H2O)2Connexon, and each Cu (H2L)(H2O)2Connect two adjacent Zn8Cluster.
5. according to claim 4 three-dimensional containing zinc/copper chiral metal organic framework material, it is characterised in that: the coordination
Zn in polymer4(μ4- O) it is tetrahedral structure, wherein four Zn are located at tetrahedral four vertex, μ4- O is located at four
The center of face body, four Zn of bridging tetrahedron top.
6. according to claim 1 three-dimensional containing zinc/copper chiral metal organic framework material, it is characterised in that: the coordination
Cu (H in polymer2L)(H2O)2, with Cu coordination be the part salen nitrogen-atoms and phenol oxygen atom and two moisture
Son；Carboxylate oxygen atoms with Zn coordination, two oxygen atoms of the carboxylic acid both participate in coordination, respectively with two Zn coordinations.
7. a kind of prepare three-dimensional described in claim 1 containing zinc/copper chiral metal organic framework material method, it is characterised in that
Include the following steps: to weigh 0.01-0.05mmol Cu (NO3)2·3H2O and 0.01-0.05mmol mononuclear ligand Cu
(H2L)(H2O)2, it is added to the in the mixed solvent of 5-15mL, after being stirred 0.5-1h, reacts 24- under the conditions of 100-120 DEG C
72h, it is cooling to be made three-dimensional containing zinc/vanadium chirality coordination polymer.
8. preparation three-dimensional according to claim 7 is containing zinc/copper chiral metal organic framework material method, feature exists
In: the mixed solution includes that volume ratio is the n,N-Dimethylformamide of 3-6:1-0.5:1, CH3OH and tetrahydrofuran.
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Cited By (1)
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| CN111732736A (en) * | 2020-07-03 | 2020-10-02 | 遵义医科大学 | Ni (II) -Salen ligand metal organic framework crystal material and preparation method and application thereof |
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Application publication date: 20190125 |