CN105820193A - 1,4-dimethyl-2,5-bis-1H-bis(triazole) cobalt pyromellitate complex single crystal and application - Google Patents
1,4-dimethyl-2,5-bis-1H-bis(triazole) cobalt pyromellitate complex single crystal and application Download PDFInfo
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- 239000013078 crystal Substances 0.000 title claims abstract description 21
- 150000003852 triazoles Chemical class 0.000 title abstract description 5
- 229910017052 cobalt Inorganic materials 0.000 title abstract 3
- 239000010941 cobalt Substances 0.000 title abstract 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 title abstract 3
- 239000003054 catalyst Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000002360 preparation method Methods 0.000 claims abstract description 5
- -1 triazole PMA cobalt complex Chemical class 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 230000005260 alpha ray Effects 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- SMUBDXBCXZNRAU-UHFFFAOYSA-N C1(=CC=CC=C1)OB(O)O.[F] Chemical compound C1(=CC=CC=C1)OB(O)O.[F] SMUBDXBCXZNRAU-UHFFFAOYSA-N 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 239000000706 filtrate Substances 0.000 abstract description 5
- IYWWVPFEBVKLBK-UHFFFAOYSA-N 1-[2,5-dimethyl-4-(1,2,4-triazol-1-yl)phenyl]-1,2,4-triazole Chemical compound CC1=C(C=C(C(=C1)N1N=CN=C1)C)N1N=CN=C1 IYWWVPFEBVKLBK-UHFFFAOYSA-N 0.000 abstract description 4
- QGUAJWGNOXCYJF-UHFFFAOYSA-N cobalt dinitrate hexahydrate Chemical compound O.O.O.O.O.O.[Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O QGUAJWGNOXCYJF-UHFFFAOYSA-N 0.000 abstract 2
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 abstract 2
- PZDAAZQDQJGXSW-UHFFFAOYSA-N 1-fluoro-4-(4-fluorophenyl)benzene Chemical group C1=CC(F)=CC=C1C1=CC=C(F)C=C1 PZDAAZQDQJGXSW-UHFFFAOYSA-N 0.000 abstract 1
- LBUNNMJLXWQQBY-UHFFFAOYSA-N 4-fluorophenylboronic acid Chemical compound OB(O)C1=CC=C(F)C=C1 LBUNNMJLXWQQBY-UHFFFAOYSA-N 0.000 abstract 1
- 230000003197 catalytic effect Effects 0.000 description 8
- NSPMIYGKQJPBQR-UHFFFAOYSA-N 4H-1,2,4-triazole Chemical compound C=1N=CNN=1 NSPMIYGKQJPBQR-UHFFFAOYSA-N 0.000 description 6
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 6
- 239000004327 boric acid Substances 0.000 description 6
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 6
- 238000006555 catalytic reaction Methods 0.000 description 5
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 4
- QXISTPDUYKNPLU-UHFFFAOYSA-N 2-bromo-1,4-dimethylbenzene Chemical compound CC1=CC=C(C)C(Br)=C1 QXISTPDUYKNPLU-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- HXITXNWTGFUOAU-UHFFFAOYSA-N phenylboronic acid Chemical compound OB(O)C1=CC=CC=C1 HXITXNWTGFUOAU-UHFFFAOYSA-N 0.000 description 3
- 229910000027 potassium carbonate Inorganic materials 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- CAYQIZIAYYNFCS-UHFFFAOYSA-N (4-chlorophenyl)boronic acid Chemical compound OB(O)C1=CC=C(Cl)C=C1 CAYQIZIAYYNFCS-UHFFFAOYSA-N 0.000 description 2
- OQGUQRDSLVDCRT-UHFFFAOYSA-N (4-methylsulfanylphenoxy)boronic acid Chemical compound CSC1=CC=C(OB(O)O)C=C1 OQGUQRDSLVDCRT-UHFFFAOYSA-N 0.000 description 2
- QENIALCDPFDFHX-UHFFFAOYSA-N 1,4-dibromo-2,5-dimethylbenzene Chemical compound CC1=CC(Br)=C(C)C=C1Br QENIALCDPFDFHX-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- GCAIEATUVJFSMC-UHFFFAOYSA-N benzene-1,2,3,4-tetracarboxylic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1C(O)=O GCAIEATUVJFSMC-UHFFFAOYSA-N 0.000 description 2
- 229910000428 cobalt oxide Inorganic materials 0.000 description 2
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 150000002460 imidazoles Chemical class 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- NLLGFYPSWCMUIV-UHFFFAOYSA-N (3-methoxyphenyl)boronic acid Chemical compound COC1=CC=CC(B(O)O)=C1 NLLGFYPSWCMUIV-UHFFFAOYSA-N 0.000 description 1
- 238000005160 1H NMR spectroscopy Methods 0.000 description 1
- 241001597008 Nomeidae Species 0.000 description 1
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical compound CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 description 1
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- FSQBHIPIGPYBCB-UHFFFAOYSA-N anisole;boron Chemical compound [B].COC1=CC=CC=C1 FSQBHIPIGPYBCB-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 description 1
- 229910000024 caesium carbonate Inorganic materials 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000004696 coordination complex Chemical class 0.000 description 1
- 238000005564 crystal structure determination Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 150000001455 metallic ions Chemical class 0.000 description 1
- YMWUJEATGCHHMB-UHFFFAOYSA-N methylene chloride Substances ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 1
- PYLWMHQQBFSUBP-UHFFFAOYSA-N monofluorobenzene Chemical compound FC1=CC=CC=C1 PYLWMHQQBFSUBP-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- ZMCNEDHZYNUOKW-UHFFFAOYSA-N phenoxyboronic acid pyridine Chemical compound C1(=CC=CC=C1)OB(O)O.N1=CC=CC=C1 ZMCNEDHZYNUOKW-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003217 pyrazoles Chemical class 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000010898 silica gel chromatography Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F15/00—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
- C07F15/06—Cobalt compounds
- C07F15/065—Cobalt compounds without a metal-carbon linkage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/22—Organic complexes
- B01J31/2204—Organic complexes the ligands containing oxygen or sulfur as complexing atoms
- B01J31/2208—Oxygen, e.g. acetylacetonates
- B01J31/2213—At least two complexing oxygen atoms present in an at least bidentate or bridging ligand
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/26—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton
- C07C17/263—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by condensation reactions
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/13—Crystalline forms, e.g. polymorphs
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Abstract
The invention discloses a 1,4-dimethyl-2,5-bis-1H-bis(triazole) cobalt pyromellitate complex single crystal and a preparation method and application thereof. The structure is [Co(L)(H2O)2(pma)0.5], wherein L is 1-(2,5-dimethyl-4-(1H-1,2,4-triazole-1-yl)phenyl)-1H-1,2,4-triazole; and pma is pyromellitic acid. The invention also discloses a preparation method of the single crystal. A normal-temperature volatilization method is adopted, namely that the L, pma and Co(NO3)2.6H2O are stirred in water for half an hour and then filtered; the filtrate is volatilized at normal temperature; and two weeks later, a proper pink block crystal of X-ray single crystal diffraction is obtained, wherein the molar ratio of L to pma to Co(NO3)2.6H2O is 1:1:1. The invention further discloses an exclusive application of the 1,4-dimethyl-2,5-bis-1H-bis(triazole) cobalt pyromellitate complex single crystal to a catalyst for generating 4,4'-difluorobiphenyl from p-fluorophenylboronic acid.
Description
The present invention obtains the subsidy of Tianjin innovation team of Education Commission (TD12-5037).
Technical field
The invention belongs to organic and Inorganic synthese technical field, relate to Isosorbide-5-Nitrae-dimethyl-2, the double equal benzene of triazole of 5-bis--1H-
Tetracid cobalt complex monocrystal [Co (L) (H2O)2(pma)0.5] preparation method and as the application in terms of catalyst, wherein, L=
1-(2,5-dimethyl-4-(1H-1,2,4-triazol-1-yl) phenyl)-1H-1,2,4-triazole；Pma=PMA.
Background technology
1,2,4-triazole and derivant thereof have the coordination feature of pyrazoles and imidazoles concurrently, are that the bridging that coordination ability is stronger is joined
Body, has synthesized and has characterized substantial amounts of monokaryon, multinuclear and multidimensional compound the most.These parts can be former with the nitrogen on 1,2
Son forms N1, N2-bridging pattern with metallic ion coordination, can be by 2,4 for 4 unsubstituted 1,2,4-triazole derivatives
On nitrogen-atoms formed N2, N4-bridging pattern, this N2, N4-bridging pattern is with the N1 of imidazoles in metalloenzyme, N3-bridging pattern
Similar.Specific use for triazole class compounds is also manifested by the design of molecular device, and synthesis has different dimension
Metal complex has been the vital step of device.
The present invention is i.e. to use room temperature volatility process, i.e. L, pma and Co (NO3)2·6H2O stirs mistake after half an hour in water
Filter, filtrate room temperature obtains being suitable for the pink colour bulk crystals of X-ray single crystal diffraction after volatilizing two weeks, structure is [Co (L) (H2O)2
(pma)0.5], wherein, L=1-(2,5-dimethyl-4-(1H-1,2,4-triazol-1-yls) phenyl)-1H-1,2,4-triazoles；pma
=PMA.This coordination compound is alternatively arranged as generating fluorobenzoic boric acid the catalyst of 4,4'-DfBP and is applied.
Summary of the invention
Following technical scheme is current inventor provides for this:
A kind of Isosorbide-5-Nitrae-dimethyl-2, the monocrystalline of the double triazole PMA cobalt complex of 5-bis--1H-, it is characterised in that this monocrystalline is tied
Structure uses APEX II CCD single crystal diffractometer, uses through graphite monochromatised Mok alpha ray, and λ=0.71073 is incident
Radiation, collects point diffraction with ω-2 θ scan mode, obtains cell parameter through least square refinement, from difference Fourier electricity
Sub-density map utilizes software to solve single crystal data:
Its structure is as follows:
[Co(L)(H2O)2(pma)0.5], wherein
L=1-(2,5-dimethyl-4-(1H-1,2,4-triazol-1-yl) phenyl)-1H-1,2,4-triazole；
Pma=PMA.
The present invention further discloses the system of the double triazole PMA cobalt complex monocrystal of 1,4-dimethyl-2,5-two-1H-
Preparation Method, it is characterised in that it is to use room temperature volatility process, by L, pma and Co (NO3)2·6H2After O stirs half an hour in water
Filtering, filtrate room temperature obtains being suitable for the pink colour bulk crystals of X-ray single crystal diffraction after volatilizing two weeks；Wherein L:pma:Co
(NO3)2·6H2The mol ratio of O is 1:1:1；
The structure of the double triazole PMA cobalt complex monocrystal of 1,4-dimethyl-2,5-two-1H-is [Co (L) (H2O)2
(pma)0.5]；Wherein L=1-(2,5-dimethyl-4-(1H-1,2,4-triazol-1-yl) phenyl)-1H-1,2,4-triazole；pma
=PMA；
L pma。
It is special that the present invention further discloses the double triazole PMA cobalt complex monocrystal of 1,4-dimethyl-2,5-two-1H-
Attribute generates 4 to fluorobenzoic boric acid, and the catalyst of 4'-DfBP is applied, and experimental result shows:
(1) catalyst that the complex monocrystal specificity in embodiment 2 generates 4,4'-DfBP to fluorobenzoic boric acid has relatively
Good catalytic effect, catalysis productivity reaches 96%；
(2) complex monocrystal is to 3-methoxyphenylboronic acid, 1-naphthalene phenylboric acid, 4-methylthio phenyl boric acid, 4-chlorophenylboronic acid, 4-pyrrole
Pyridine phenylboric acid catalytic effect does not the most even react.
The double triazole PMA cobalt complex monocrystal of a kind of 1,4-dimethyl-2,5-two-1H-disclosed by the invention is had
Advantage and feature be:
(1) operation is simple and easy to do.
(2) reaction yield is high, and the purity of products obtained therefrom is high.
(3) Isosorbide-5-Nitrae-dimethyl-2 prepared by the present invention, the double triazole PMA cobalt complex monocrystal of 5-bis--1H-, raw
Producing low cost, method is easy, is suitable for large-scale production.Have good in terms of catalysis generates 4,4'-DfBP to fluorobenzoic boric acid
Good catalytic effect.
Accompanying drawing explanation
The crystal structure figure of Fig. 1: complex monocrystal；
The tomograph of Fig. 2: complex monocrystal；
Fig. 3: 4,4'-DfBP1H NMR schemes.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described further, and embodiment is only explanatory, is in no way intended to it
Limit the scope of the present invention by any way.Raw materials used it is commercially available.All raw materials are all public from chemical reagent both domestic and external
The raw materials such as department buys, such as Isosorbide-5-Nitrae-two bromo-2,5-dimethyl benzene, through continuation purification but directly do not use.
Embodiment 1
1,4-bis-bromo-2,5-dimethyl benzene: 1H-1,2,4-triazole: potassium carbonate: the mol ratio of cobalt oxide is 2:10:30:1
Be separately added in equipped with 50 mL three neck round bottom flasks of magneton, reflux condenser and thermometer CoO (0.0398 mg,
0.5 mmol), potassium carbonate (2.0731 g, 15 mmol), 1H-1,2,4-triazoles (0.345 mg, 5 mmol), Isosorbide-5-Nitrae-two
Bromo-2,5-dimethyl benzene (0.3360 g, 1 mmol), 20 mL DMF.Start stirring 100oC, reacts 24 hours.Reaction
After end, reactant liquor being down to room temperature, filter, filtrate adds 100 mL water, separates out a large amount of precipitation, sucking filtration, collects filter cake, yield
60%.Elementary analysis (C12N6H12) theoretical value (%): C, 59.99；H, 5.03；N, 34.98.Measured value: C, 60.02；H, 5.05；
N, 35.05；
1,4-bis-bromo-2,5-dimethyl benzene 1H-1,2,4-triazole.
The bromo-2,5-dimethyl benzene of the preferred 1,4-of the present invention bis-: 1H-1,2,4-triazole: potassium carbonate: the mol ratio of cobalt oxide is
2:10:30:1；Reaction temperature 80-200 DEG C, 12-120 hour response time.Use " one kettle way ", by bromo-for Isosorbide-5-Nitrae-two 2,5-bis-
Methylbenzene and 1H-1,2,4-triazoles prepare this organic compound in a heated condition, 1-(2,5-dimethyl-4-(1H-1,2,4-
Triazol-1-yl) phenyl)-1H-1,2,4-triazole (L).
Embodiment 2
1-(2,5-dimethyl-4-(1H-1,2,4-triazol-1-yl) phenyl)-1H-1,2,4-triazole (L) (0.1 mmol), all
Benzenetetracarboxylic acid (pma) (0.1 mmol) and Co (NO3)2·6H2O (0.1 mmol) stirs mistake after half an hour in water (10 mL)
Filter, filtrate room temperature obtains being suitable for the pink colour bulk crystals of X-ray single crystal diffraction after volatilizing two weeks.Productivity: 40%.Elementary analysis
(C22H16CoN6O8) theoretical value (%): C, 47.53；H, 2.90；N, 15.11.Measured value: C, 40.56；H, 2.95；N, 15.18.
Embodiment 3
Crystal structure determination uses APEX II CCD single crystal diffractometer, uses through graphite monochromatised Mok alpha ray, and λ=
0.71073 is incident radiation, collects point diffraction with ω-2 θ scan mode, obtains cell parameter through least square refinement,
Software is utilized to solve crystal structure from difference Fourier electron density map, and through Lorentz lorentz and polarity effect correction.All of H is former
Son is synthesized by difference Fourier and determines through preferable position calculation.Detailed axonometry data:
Embodiment 4
Specificity is as the concrete instance of catalyst
Method: fluorobenzoic boric acid (0.82 mmol) and cesium carbonate (0.01 g) are dissolved in 3 mL DMF by replacement, add 5 mg
Catalyst, stirs 5 hours under room temperature, CH2Cl2Extraction, washing, it is dried, filters, precipitation, thick product is through petrol ether/ethyl acetate
Mixed liquor (v:v=1:1) by silica gel chromatography post affords product.
Result: obtaining 4,4'-DfBP 0.0748 g, calculated catalysis productivity is 96%.
Embodiment 5
Conclusion:
(1) the double triazole PMA cobalt complex monocrystal of 1,4-dimethyl-2,5-two-1H-is for catalytic substrate 4-methylthio phenyl
Boric acid does not play any catalytic action.
(2) the double triazole PMA cobalt complex monocrystal of 1,4-dimethyl-2,5-two-1H-is for 3-methoxybenzene boron
Acid, 1-naphthalene phenylboric acid, 4-chlorophenylboronic acid, 4-pyridine phenylboric acid catalytic effect general, catalysis productivity is between 2-9%.
(3) the double triazole PMA cobalt complex monocrystal of 1,4-dimethyl-2,5-two-1H-is for catalytic substrate 4-fluorobenzene
The catalytic effect of boric acid is best, and catalysis productivity is up to 96%.
After the preferred embodiment described in detail, it is familiar with this skilled worker and is clearly understood that, without departing from above-mentioned
Can carry out various change and amendment under claim and spirit, all technical spirit according to the present invention are to above example institute
Any simple modification, equivalent variations and the modification made, belongs to the scope of technical solution of the present invention.And the present invention is not illustrated
The restriction of example embodiment in book.
Claims (3)
1. Isosorbide-5-Nitrae-dimethyl-2, the monocrystalline of the double triazole PMA cobalt complex of 5-bis--1H-, it is characterised in that this monocrystalline
Structure uses APEX II CCD single crystal diffractometer, uses through graphite monochromatised Mok alpha ray, and λ=0.71073 is for entering
Penetrate radiation, collect point diffraction with ω-2 θ scan mode, obtain cell parameter through least square refinement, from difference Fourier
Electron density map utilizes software to solve single crystal data:
Its structure is as follows:
[Co(L)(H2O)2(pma)0.5], wherein
L=1-(2,5-dimethyl-4-(1H-1,2,4-triazol-1-yl) phenyl)-1H-1,2,4-triazole；
Pma=PMA.
2. Isosorbide-5-Nitrae-dimethyl-2 described in claim 1, the preparation method of the double triazole PMA cobalt complex monocrystal of 5-bis--1H-,
It is characterized in that it is to use room temperature volatility process, i.e. L, pma and Co (NO3)2·6H2O filters after stirring half an hour in water, filter
Liquid room temperature obtains being suitable for the pink colour bulk crystals of X-ray single crystal diffraction, wherein L:pma:Co (NO after volatilizing two weeks3)2·6H2O
Mol ratio be 1:1:1；
The structure of the double triazole PMA cobalt complex monocrystal of 1,4-dimethyl-2,5-two-1H-is [Co (L) (H2O)2
(pma)0.5]；Wherein L=1-(2,5-dimethyl-4-(1H-1,2,4-triazol-1-yl) phenyl)-1H-1,2,4-triazole；pma
=PMA；
L pma。
3. the double triazole PMA cobalt complex monocrystal specificity of 1,4-dimethyl-2,5-two-1H-described in claim 1 is to fluorine
Phenylboric acid generates the application in terms of the catalyst of 4,4'-DfBP.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104497018A (en) * | 2014-12-15 | 2015-04-08 | 天津师范大学 | Triazole-copper perchlorate complex with p-fluorophenylboronic acid catalyzing effect and preparation method of triazole-copper perchlorate complex |
| CN105418688A (en) * | 2016-01-05 | 2016-03-23 | 天津师范大学 | 1,4-dimethyl-2,5-dimethylene bis triazol three-dimensional nickel complex single crystal and application |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104497018A (en) * | 2014-12-15 | 2015-04-08 | 天津师范大学 | Triazole-copper perchlorate complex with p-fluorophenylboronic acid catalyzing effect and preparation method of triazole-copper perchlorate complex |
| CN105418688A (en) * | 2016-01-05 | 2016-03-23 | 天津师范大学 | 1,4-dimethyl-2,5-dimethylene bis triazol three-dimensional nickel complex single crystal and application |
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