CN101880292A - Cucurbit[n]uril metal-organic framework polymer in multilayer porous reticular structure and synthesis method thereof - Google Patents
Cucurbit[n]uril metal-organic framework polymer in multilayer porous reticular structure and synthesis method thereof Download PDFInfo
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- CN101880292A CN101880292A CN 201010204118 CN201010204118A CN101880292A CN 101880292 A CN101880292 A CN 101880292A CN 201010204118 CN201010204118 CN 201010204118 CN 201010204118 A CN201010204118 A CN 201010204118A CN 101880292 A CN101880292 A CN 101880292A
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Abstract
The invention relates to a cucurbit[n]uril metal-organic framework polymer in a multilayer porous reticular structure and a synthesis method thereof. The invention is characterized that the method comprises the following steps: carrying out coordination on cucurbit[n]uril (Q[n]) and alkali metal salts in the existence of aromatic series revulsants and in water environment to generate the metal-organic framework polymers in the multilayer porous reticular structure formed by the Q[n], the alkali metal salts, the revulsants and water; respectively dissolving the ingredients into water according to a ingredient mol ratio of cucurbit[n]uril/ alkali metal salts/ aromatic series revulsants of 1/(1 to 10)/(1 to 10); heating and uniformly mixing the materials; and carrying out still standing for several days at normal temperature and normal pressure to form the target compounds. The method has the advantages of simple synthesis method, simple and convenient operation, high yield (between 68 to 80 percent), short period and the like. The cucurbit[n]uril metal-organic framework polymer synthesized by the method is in the multilayer porous reticular structure, and has obvious features of the metal-organic framework polymer.
Description
Technical field: the invention belongs to metal-organic framework polymkeric substance and synthetic method thereof.Be exactly that a class has multi-level porous cave cancellated melon cyclic group metal-organic framework polymkeric substance and synthetic method thereof specifically.
Background technology: melon ring (Q[n]) is novel cage shape macrocylc compound---homologue is a kind of in melon ring (Cucurbit[n] urils) family.It is that a class is by n glycosides urea unit and 2n the big ring cage compound that methylene bridge links up.The hydrophobic cavity of melon ring can capture the amine ion, Cl
-Deng.Inclusion NO optionally in addition
3 -, because " inlaying ", two ports of melon ring a circle carbonylic oxygen atom, can interact with multiple metal ion, and can discern some metal ion.When n=5, claim that five yuan of melon rings are abbreviated as Q[5], when n=6, claim hexa-atomic melon ring to be abbreviated as Q[6].
Metal-organic framework compound (Metal-Organic Framework, MOF), be meant inorganic metal center and organo-functional group, connect mutually, the crystalline state porous material of constructing jointly with regular pore canal or void structure by covalent linkage, coordinate bond or ion-covalent linkage.This is in 20 end of the centurys, along with developing a class brand-new material that occurs rapidly based on the porous material of inorganic skeleton in the crossing domain of inorganic materials science and coordination chemistry.The MOF material is born from its and just enjoys the expert of numerous areas and scholar's great attention (it relates to chemistry, physics, materialogy etc.) in the world, and develops rapidly and become one of research focus interdisciplinary.This class material not only has the crystalline structure similar to zeolite molecular sieve, and its structure has and can design and cutting, and orientation design and organic selection by topological framework can obtain different size and the duct that need not construct or hole.These special constitutional featuress have a wide range of applications the metal-organic framework compound in research fields such as parting material, the sorbing material with property, sensing material and even energy storage material.
The present Research of melon cyclic group metal-organic framework polymkeric substance.Recent two decades, melon ring progress in chemical study is rapid, and the wherein new research field of expanding is a construction unit with the melon ring exactly, the synthetic melon cyclic group metal-organic framework polymkeric substance of design.Melon ring and metal ion form the mainly concentrated hexa-atomic melon ring of research of melon cyclic group metal-organic framework polymkeric substance at present.Kim study group has taken the lead in reporting the synthetic of melon cyclic group metal-organic framework polymkeric substance and has characterized, this construction method selects for use long-chain object and melon ring with terminal coordination functional group to form class wheel alkyl structure, forms melon cyclic group metal-organic framework polymkeric substance by with the strategy of metallic ion coordination melon cyclic group class rotaxane being connected to construct again.But synthetic have that having of multi-level, porous cave cancellated melon cyclic group metal-organic framework polymkeric substance, particularly five yuan of melon rings is multi-level, porous cave cancellated melon cyclic group metal-organic framework polymkeric substance synthetic unprecedented especially.
Summary of the invention: purpose of the present invention, be that the synthetic class of design has at many levels, porous cave cancellated melon cyclic group metal-organic framework polymkeric substance, particularly five yuan of melon rings and the direct coordination of metal ion, a class that forms has at many levels, porous cave cancellated melon cyclic group metal one organic framework polymer, and studies the synthetic method of this base polymer.
The present invention designs that synthetic one class has at many levels, porous cave cancellated new melon cyclic group metal-organic framework polymkeric substance and synthetic method thereof, be to be raw material with melon ring (Q[n]) and an alkali metal salt, under the effect of aromatic series inductor, in the aqueous solution, under certain condition, by synthetic method reaction generate by Q[n], having at many levels of forming of an alkali metal salt, aromatic series inductor and water, the cancellated metal-organic framework polymkeric substance in porous cave.
Above-mentioned by Q[n], an alkali metal salt, aromatic series inductor and water have synthetic method and the synthesis condition multi-level, the cancellated metal-organic framework polymkeric substance in porous cave that form follow these steps to carry out with condition:
(1) with Q[n], 1: 1 in molar ratio～10: 1～10 batching weighings respectively of an alkali metal salt and aromatic series inductor, with the water of q.s with the dissolving fully respectively of three kinds of materials;
(2) respectively the aqueous solution separately is heated to 50 ℃～80 ℃;
(3) while hot with Q[n] the solution filtration, under whipped state, slowly add in the alkali metal salt soln;
(4) under whipped state, aromatic series inductor solution is added Q[n rapidly] with the mixing solutions of an alkali metal salt in;
(5) be cooled to normal temperature, left standstill 1～30 day, separate out crystal.
Above-mentioned melon ring (Q[n]) is as five yuan of melon rings (Q[5]), above-mentioned an alkali metal salt such as Potassium Bromide or potassiumiodide, above-mentioned aromatic series inductor such as P-hydroxybenzoic acid or p-NP.The chemical formula of five yuan of melon rings (Q[5]) is C
30H
30N
20O
10, structural formula is as follows:
The present invention synthetic have at many levels, the chemical constitution of porous cave cancellated melon cyclic group metal-organic framework polymkeric substance as:
[K
2(H
2O)
3(C
30H
30N
20O
10)]·2(C
6H
6CO
3)·2I·nH
2O (1)；
[K
2(H
2O)
3(C
30H
30N
20O
10)]·2(C
6H
5NO
3)·2I·nH
2O (2)；
[K
2(H
2O)
3(C
30H
30N
20O
10)]·2(C
6H
6CO
3)·2Br·nH
2O (3)；
[K
2(H
2O)
3(C
30H
30N
20O
10)] 2 (C
6H
5NO
3) 2BrnH
2O (2＜n＜15) (4), its structure as shown in Figure 1.
Having that synthetic is new concrete synthetic method multi-level, porous cave cancellated melon cyclic group metal-organic framework polymkeric substance follows these steps to carry out:
(1) with Q[5], Potassium Bromide or potassiumiodide and P-hydroxybenzoic acid or p-NP 1: 7.5 in molar ratio～10: 6～10 batching weighings respectively, with the water of q.s with the dissolving fully respectively of three kinds of materials;
(2) respectively the aqueous solution separately is heated to 50 ℃～70 ℃;
(3) while hot with Q[5] the solution filtration, under whipped state, slowly add in Potassium Bromide or the liquor kalii iodide;
(4) under whipped state, P-hydroxybenzoic acid or p-nitrophenyl phenol solution are added Q[5 rapidly] with the mixing solutions of Potassium Bromide or potassiumiodide in;
(5) be cooled to normal temperature, left standstill 2～7 days, separate out crystal.
Utilize analysis means such as X-ray single crystal diffraction, XRD, IR, DSC-Tg that the cancellated melon cyclic group of having of above-mentioned chemical constitution metal-organic framework polymkeric substance has been carried out structural characterization, shown in Fig. 1-6.Characterization result shows that repeated multiple times design of the present invention, this class of synthetic have cancellated melon cyclic group metal-organic framework polymkeric substance and present at many levels, and porous cave reticulated structure has tangible metal-organic framework polymer features.Therefore, in application facet such as the absorption of material (gas or liquid), separation, the storage value that has a wide range of applications.In addition, the employed synthetic method of patent of the present invention also has characteristics such as simple to operate, productive rate height, and carrying out of this class melon cyclic group metal-organic framework polymkeric substance practical application laid a good foundation.
Description of drawings: Fig. 1 is under inductor P-hydroxybenzoic acid or p-NP existence condition, five yuan of melon ring Q[5] multi-level with having of K ion coordination formation, the crystalline structure of the cancellated metal organic frame polymkeric substance in porous cave: (a) by potassium ion K1, K2, direct and three Q[5 of K3] the basic modular construction of coordination formation this base polymer of formation, (b) potassium ion K1, K2, K3 and Q[5] port carbonylic oxygen atom (O1-5, O11-15, O6-10) and water molecules (O1W, O10W, O4W) the compounds of group structure of Gou Chenging is (c) by 6 Q[5] and 12 potassium ion K
+" molecule necklace " structure that direct coordination constitutes, all distributing up and down inductor P-hydroxybenzoic acid family or p-NP (spherical shape structure) at this " molecule necklace ", (d) by potassium ion K1, K2, K3 directly with three Q[5] coordination forms and constitutes multi-level that the basic modular construction of this base polymer constructs, porous cave reticulated structure has tangible metal-organic framework polymer features.
Fig. 2 induces the Q[5 that forms down in P-hydroxybenzoic acid]-KI-P-hydroxybenzoic acid-H
2O has the compound crystal of metal-organic framework
Fig. 3 (a) Q[5] and (b) Q[5]-KI-P-hydroxybenzoic acid-H
2The XRD figure spectrum of O, contrast Q[5] and Q[5]-KI-para hydroxybenzene first-H
2The XRD figure spectrum of O acid finds that the XRD characteristic peak of polymkeric substance is than Q[5] obvious variation is arranged, and the polymkeric substance crystal formation is better, and degree of crystallinity is higher.
Fig. 4 (a) Q[5] and (b) Q[5]-KI-P-hydroxybenzoic acid-H
2The IR collection of illustrative plates of O, contrast IR find, introduce inductor after, Q[5] the stretching vibration peak C=O of port ketonic oxygen is from 1736cm
-1To 1744cm
-1About 9 wave numbers have been moved.
Fig. 5 Q[5]-KI-P-hydroxybenzoic acid-H
2O DSC-TG collection of illustrative plates, under the inducing of P-hydroxybenzoic acid, Q[5] form the framework decomposition temperature of metal-organic framework compound than Q[5 with KI] slightly descend.
Fig. 6 Q[5]-KI-P-hydroxybenzoic acid-H
2The O crystalline
1H NMR collection of illustrative plates, the result shows, polymkeric substance
1Only observe inductor P-hydroxybenzoic acid (chemical shift is at two groups of doublets at 6.79 and 7.75 places) and Q[5 in the H NMR collection of illustrative plates] (chemical shift is at two groups of doublets at 4.21 and 5.55 places, and 5.39 places are unimodal); Corresponding proton peak integrated intensity shows Q[5]-melon ring Q[5 in the KI-P-hydroxybenzoic acid crystal] with the mol ratio of P-hydroxybenzoic acid near 1: 1, this is consistent with the crystalline structure characterization result.
Specific implementation method: embodiment 1: take by weighing Q[5 respectively] 4.87g (4.82mmol), potassiumiodide 8.69g (52.3mmol), P-hydroxybenzoic acid 4.3g (31.2mmol).Q[5] with 60 ℃ of 500mL secondary water dissolution heating, shook several minutes, make the solution clarification.Reheat is about 60 ℃.KI shakes with 60 ℃ of 100mL secondary water dissolution heating.P-hydroxybenzoic acid 400mL water dissolution is heated to 80 ℃, makes it fully dissolving evenly.While hot Q[5] solution is filled in the KI solution.Shake up, in the mixing solutions before then P-hydroxybenzoic acid solution being poured into rapidly, shake up once more.Yellow crystals appears in static a couple of days, and productive rate is 70～80%.Its structure is to be [K
2(H
2O)
3(C
30H
30N
20O
10)] 2 (C
6H
6CO
3) 2InH
2O, 2＜n＜15.
Embodiment 2: take by weighing Q[5 respectively] 0.013g (0.013mmol), Potassium Bromide 0.024g (0.202mmol), P-hydroxybenzoic acid 0.020g (0.145mmol).Q[5] with 60 ℃ of 2.5mL secondary water dissolution heating, shook several minutes, make the solution clarification.Reheat is about 60 ℃.KBr shakes with 60 ℃ of 1mL secondary water dissolution heating.P-hydroxybenzoic acid 3mL water dissolution is heated to 80 ℃, makes it fully dissolving evenly.While hot Q[5] solution is filled in the KBr solution.Shake up, in the mixing solutions before then P-hydroxybenzoic acid solution being poured into rapidly, shake up once more.Yellow crystals appears in static a couple of days, and productive rate is 30～40%.Its structure is to be [K
2(H
2O)
3(C
30H
30N
20O
10)] 2 (C
6H
6CO
3) 2BrnH
2O, 2＜n＜15.
Embodiment 3: take by weighing Q[5 respectively] 0.012g (0.012mmol), potassiumiodide 0.033g (0.199mmol), p-NP 0.028 (0.201mmol).Q[5] with 60 ℃ of 3mL secondary water dissolution heating, shook several minutes, make the solution clarification.Reheat is about 60 ℃.KI shakes with 60 ℃ of 1.5mL secondary water dissolution heating.P-NP 2mL water dissolution is heated to 80 ℃, makes it fully dissolving evenly.While hot Q[5] solution is filled in the KI solution.Shake up, in the mixing solutions before then the p-nitrophenyl phenol solution being poured into rapidly, shake up once more.Yellow crystals appears in static a couple of days, and productive rate is 50～60%.Its structure is to be [K
2(H
2O)
3(C
30H
30N
20O
10)] 2 (C
6H
5NO
3) 2InH
2O, 2＜n＜15.
Embodiment 4: take by weighing Q[5 respectively] 0.015g (0.015mmol), Potassium Bromide 0.030g (0.181mmol), p-NP 0.030g (0.216mmol).Q[5] with 60 ℃ of 3mL secondary water dissolution heating, shook several minutes, make the solution clarification.Reheat is about 60 ℃.KBr shakes with 60 ℃ of 1.5mL secondary water dissolution heating.P-NP 2mL water dissolution is heated to 80 ℃, makes it fully dissolving evenly.While hot Q[5] solution is filled in the KBr solution.Shake up, in the mixing solutions before then the p-nitrophenyl phenol solution being poured into rapidly, shake up once more.Yellow crystals appears in static a couple of days, and productive rate is 30～40%.Its structure is to be [K
2(H
2O)
3(C
30H
30N
20O
10)] 2 (C
6H
5NO
3) 2BrnH
2O, 2＜n＜15.
Above embodiment, only in order to technical scheme of the present invention to be described, and non-limiting technical scheme of the present invention.
Claims (7)
1. a class has multi-level porous cave cancellated melon cyclic group metal-organic framework polymkeric substance and synthetic method thereof, it is characterized in that with melon ring (Q[n]) and an alkali metal salt be raw material, under the effect of aromatic series inductor, in the aqueous solution under certain condition, by synthetic method reaction generate by Q[n], having at many levels of forming of an alkali metal salt, aromatic series inductor and water, the cancellated metal-organic framework polymkeric substance in porous cave.
2. a class according to claim 1 has multi-level porous cave cancellated melon cyclic group metal-organic framework polymkeric substance and synthetic method thereof, and the melon ring (Q[n]) that it is characterized in that indication is five yuan of melon rings (Q[5]).
3. a class according to claim 1 has multi-level porous cave cancellated melon cyclic group metal-organic framework polymkeric substance and synthetic method thereof, and an alkali metal salt that it is characterized in that indication is Potassium Bromide or potassiumiodide.
4. a class according to claim 1 has multi-level porous cave cancellated melon cyclic group metal-organic framework polymkeric substance and synthetic method thereof, and the aromatic series inductor that it is characterized in that indication is P-hydroxybenzoic acid or p-NP.
5. have multi-level porous cave cancellated melon cyclic group metal-organic framework polymkeric substance and synthetic method thereof according to the described class of claim 1～4, it is characterized in that synthetic has had cancellated melon cyclic group metal-organic framework polymer chemistry to consist of
(1)[K
2(H
2O)
3(C
30H
30N
20O
10)]·2(C
6H
6CO
3)·2I·nH
2O，
(2)[K
2(H
2O)
3(C
30H
30N
20O
10)]·2(C
6H
5NO
3)·2I·nH
2O，
(3)[K
2(H
2O)
3(C
30H
30N
20O
10)]·2(C
6H
6CO
3)·2Br·nH
2O，
(4)[K
2(H
2O)
3(C
30H
30N
20O
10)]·2(C
6H
5NO
3)·2Br·nH
2O(2＜n＜15)。
6. a class according to claim 1 has multi-level porous cave cancellated melon cyclic group metal-organic framework polymkeric substance and synthetic method thereof, it is characterized in that synthetic method follows these steps to carry out:
(1) with Q[n], 1: 1 in molar ratio～10: 1～10 batching weighings respectively of an alkali metal salt and aromatic series aromatic series inductor, with the water of q.s with the dissolving fully respectively of three kinds of materials;
(2) respectively the aqueous solution separately is heated to 50 ℃～90 ℃;
(3) while hot with Q[n] the solution filtration, under whipped state, slowly add in the alkali metal salt soln;
(4) under whipped state, aromatic series aromatic series inductor solution is added Q[n rapidly] with the mixing solutions of an alkali metal salt in;
(5) be cooled to normal temperature, left standstill 1～30 day, separate out crystal.
7. a class according to claim 5 has multi-level porous cave cancellated melon cyclic group metal-organic framework polymkeric substance and synthetic method thereof, and its feature concrete synthetic method of synthetic with multi-level porous cave cancellated melon cyclic group metal-organic framework polymkeric substance follows these steps to carry out:
(1) with Q[5], Potassium Bromide or potassiumiodide and P-hydroxybenzoic acid or p-NP 1: 7.5 in molar ratio～10: 6～10 batching weighings respectively, with the water of q.s with the dissolving fully respectively of three kinds of materials;
(2) respectively the aqueous solution separately is heated to 50 ℃～80 ℃;
(3) while hot with Q[5] the solution filtration, under whipped state, slowly add in Potassium Bromide or the liquor kalii iodide;
(4) under whipped state, P-hydroxybenzoic acid or p-nitrophenyl phenol solution are added Q[5 rapidly] with the mixing solutions of Potassium Bromide or potassiumiodide in;
(5) be cooled to normal temperature, left standstill 2～7 days, separate out crystal.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101935400A (en) * | 2010-08-23 | 2011-01-05 | 贵州大学 | Alkali metal-cucurbituril multilayer mesh organic framework polymer and synthetic method and application thereof |
| CN102060996A (en) * | 2010-11-26 | 2011-05-18 | 贵州大学 | Multi-dimensional porous Cucurbit[n]uril-based metal-organic framework polymer synthesized by organic molecule induction and synthesis method thereof |
| CN102060997A (en) * | 2010-11-26 | 2011-05-18 | 贵州大学 | Cucurbit[5]uril-rare-earth metal supramolecular polymer synthesized through induction of organic molecule and synthesizing method thereof |
| CN102153574A (en) * | 2010-12-29 | 2011-08-17 | 贵州大学 | Cucurbit[5]uril-rare-earth metal dictyo-supramolecular polymer synthesized under induction of transition metal ions and synthetic method thereof |
| CN103214499A (en) * | 2013-04-12 | 2013-07-24 | 贵州大学 | Transition metal induced and synthesized Q[8]-alkali metal and alkaline-earth metal ion coordination polymer and synthesis method |
| CN104017003A (en) * | 2014-04-09 | 2014-09-03 | 南京大学 | Aromatic organic multidentate ligand- cucurbituril porous frame polymer and synthesis method thereof |
| CN104327101A (en) * | 2014-10-14 | 2015-02-04 | 南京大学 | Control synthesis and application of aryl organic multidentate ligand-cucurbituril porous framework polymer |
| CN106902553A (en) * | 2017-03-24 | 2017-06-30 | 贵州大学 | A kind of application for being based on ten yuan of melon ring Supramolecular self assembly bodies and application process |
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| CN101935400B (en) * | 2010-08-23 | 2012-07-25 | 贵州大学 | Alkali metal-cucurbituril multilayer mesh organic framework polymer and synthetic method and application thereof |
| CN102060996B (en) * | 2010-11-26 | 2013-04-03 | 贵州大学 | Multi-dimensional porous Cucurbit[n]uril-based metal-organic framework polymer synthesized by organic molecule induction and synthesis method thereof |
| CN102060996A (en) * | 2010-11-26 | 2011-05-18 | 贵州大学 | Multi-dimensional porous Cucurbit[n]uril-based metal-organic framework polymer synthesized by organic molecule induction and synthesis method thereof |
| CN102060997A (en) * | 2010-11-26 | 2011-05-18 | 贵州大学 | Cucurbit[5]uril-rare-earth metal supramolecular polymer synthesized through induction of organic molecule and synthesizing method thereof |
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| CN102153574B (en) * | 2010-12-29 | 2014-01-29 | 贵州大学 | Cucurbit[5]uril-rare-earth metal dictyo-supramolecular polymer synthesized under induction of transition metal ions and synthetic method thereof |
| CN103214499A (en) * | 2013-04-12 | 2013-07-24 | 贵州大学 | Transition metal induced and synthesized Q[8]-alkali metal and alkaline-earth metal ion coordination polymer and synthesis method |
| CN103214499B (en) * | 2013-04-12 | 2015-10-07 | 贵州大学 | Q [the 8]-basic metal of transition metal Induced synthesis, alkaline-earth metal ions ligand polymer and synthetic method |
| CN104017003A (en) * | 2014-04-09 | 2014-09-03 | 南京大学 | Aromatic organic multidentate ligand- cucurbituril porous frame polymer and synthesis method thereof |
| CN104327101A (en) * | 2014-10-14 | 2015-02-04 | 南京大学 | Control synthesis and application of aryl organic multidentate ligand-cucurbituril porous framework polymer |
| CN106902553A (en) * | 2017-03-24 | 2017-06-30 | 贵州大学 | A kind of application for being based on ten yuan of melon ring Supramolecular self assembly bodies and application process |
| CN106902553B (en) * | 2017-03-24 | 2019-10-18 | 贵州大学 | A kind of application and application method based on ten yuan of melon ring Supramolecular self assembly bodies |
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