CN104557982B - Triazole-copper triflate complex with effect of catalyzing p-Tolylboronic acid and preparation method thereof - Google Patents
Triazole-copper triflate complex with effect of catalyzing p-Tolylboronic acid and preparation method thereof Download PDFInfo
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- CN104557982B CN104557982B CN201410767898.5A CN201410767898A CN104557982B CN 104557982 B CN104557982 B CN 104557982B CN 201410767898 A CN201410767898 A CN 201410767898A CN 104557982 B CN104557982 B CN 104557982B
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- triazole
- methylphenylboronic acid
- monocrystalline
- copper complex
- isophthalic
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- 238000002360 preparation method Methods 0.000 title abstract description 9
- ZIJDTDSIVOVKGW-UHFFFAOYSA-L copper 2H-triazole trifluoromethanesulfonate Chemical compound FC(S(=O)(=O)[O-])(F)F.[Cu+2].N1N=NC=C1.FC(S(=O)(=O)[O-])(F)F ZIJDTDSIVOVKGW-UHFFFAOYSA-L 0.000 title abstract description 3
- 230000000694 effects Effects 0.000 title abstract description 3
- BIWQNIMLAISTBV-UHFFFAOYSA-N (4-methylphenyl)boronic acid Chemical compound CC1=CC=C(B(O)O)C=C1 BIWQNIMLAISTBV-UHFFFAOYSA-N 0.000 title abstract 3
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 239000007809 chemical reaction catalyst Substances 0.000 claims abstract 2
- 239000003054 catalyst Substances 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 239000013078 crystal Substances 0.000 claims description 11
- -1 triazole copper complex Chemical class 0.000 claims description 11
- 238000006555 catalytic reaction Methods 0.000 claims description 7
- LBBMOAOCCQOIAQ-UHFFFAOYSA-N methoxy(phenyl)borinic acid Chemical compound COB(O)C1=CC=CC=C1 LBBMOAOCCQOIAQ-UHFFFAOYSA-N 0.000 claims description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 4
- 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
- 239000000047 product Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000012043 crude product Substances 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 239000003208 petroleum Substances 0.000 claims description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims 2
- 241000638935 Senecio crassissimus Species 0.000 claims 1
- 235000010290 biphenyl Nutrition 0.000 claims 1
- 239000004305 biphenyl Substances 0.000 claims 1
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000004821 distillation Methods 0.000 claims 1
- 238000005406 washing Methods 0.000 claims 1
- 150000004699 copper complex Chemical class 0.000 abstract description 7
- 239000010949 copper Substances 0.000 abstract description 4
- 238000001027 hydrothermal synthesis Methods 0.000 abstract description 4
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 20
- 150000001875 compounds Chemical class 0.000 description 11
- 229910052763 palladium Inorganic materials 0.000 description 10
- HVMMGTLUNJNHFE-UHFFFAOYSA-N 4-[3-(1,2,4-triazol-4-yl)phenyl]-1,2,4-triazole Chemical compound N=1N=CN(C1)C=1C=C(C=CC1)N1C=NN=C1 HVMMGTLUNJNHFE-UHFFFAOYSA-N 0.000 description 9
- 238000003786 synthesis reaction Methods 0.000 description 9
- 229910052723 transition metal Inorganic materials 0.000 description 6
- 150000003624 transition metals Chemical class 0.000 description 6
- NSPMIYGKQJPBQR-UHFFFAOYSA-N 4H-1,2,4-triazole Chemical compound C=1N=CNN=1 NSPMIYGKQJPBQR-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 229940125904 compound 1 Drugs 0.000 description 4
- 150000004696 coordination complex Chemical class 0.000 description 4
- 150000002460 imidazoles Chemical class 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 2
- RZTDESRVPFKCBH-UHFFFAOYSA-N 1-methyl-4-(4-methylphenyl)benzene Chemical group C1=CC(C)=CC=C1C1=CC=C(C)C=C1 RZTDESRVPFKCBH-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- 206010054949 Metaplasia Diseases 0.000 description 2
- 241001597008 Nomeidae Species 0.000 description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 150000003851 azoles Chemical class 0.000 description 2
- 230000000975 bioactive effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000006880 cross-coupling reaction Methods 0.000 description 2
- 238000002447 crystallographic data Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000003446 ligand Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000001455 metallic ions Chemical class 0.000 description 2
- 230000015689 metaplastic ossification Effects 0.000 description 2
- 229930014626 natural product Natural products 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 150000003217 pyrazoles Chemical class 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910052703 rhodium Inorganic materials 0.000 description 2
- 239000010948 rhodium Substances 0.000 description 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 2
- 229910052707 ruthenium Inorganic materials 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 150000003852 triazoles Chemical class 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 208000035126 Facies Diseases 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- GUNGLHWSMWTKSD-UHFFFAOYSA-N [B].CC1=CC=CC=C1 Chemical compound [B].CC1=CC=CC=C1 GUNGLHWSMWTKSD-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005564 crystal structure determination Methods 0.000 description 1
- 238000002050 diffraction method Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 230000005311 nuclear magnetism Effects 0.000 description 1
- AICOOMRHRUFYCM-ZRRPKQBOSA-N oxazine, 1 Chemical compound C([C@@H]1[C@H](C(C[C@]2(C)[C@@H]([C@H](C)N(C)C)[C@H](O)C[C@]21C)=O)CC1=CC2)C[C@H]1[C@@]1(C)[C@H]2N=C(C(C)C)OC1 AICOOMRHRUFYCM-ZRRPKQBOSA-N 0.000 description 1
- HXITXNWTGFUOAU-UHFFFAOYSA-N phenylboronic acid Chemical compound OB(O)C1=CC=CC=C1 HXITXNWTGFUOAU-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000012549 training 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
- C07F1/00—Compounds containing elements of Groups 1 or 11 of the Periodic Table
- C07F1/08—Copper compounds
-
- 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
- B01J31/2265—Carbenes or carbynes, i.e.(image)
- B01J31/2269—Heterocyclic carbenes
- B01J31/2273—Heterocyclic carbenes with only nitrogen as heteroatomic ring members, e.g. 1,3-diarylimidazoline-2-ylidenes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
- C07C1/32—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from compounds containing hetero-atoms other than or in addition to oxygen or halogen
- C07C1/321—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from compounds containing hetero-atoms other than or in addition to oxygen or halogen the hetero-atom being a non-metal atom
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a triazole-copper triflate complex with an effect of catalyzing p-Tolylboronic acid and a preparation method thereof. A hydrothermal method is adopted, and specifically the complex is prepared from Cu(CF3SO3)2 and L under the hydrothermal condition at the temperature of 100 DEG C. The invention further discloses an application of the copper complex {[Cu(L)](CF3SO3).0.33H2O}(1)(L=4-(3-(4H-1,2,4-triazole-4-yl) phenyl)-4H-1,2,4-triazole) serving as a coupled reaction catalyst of p-Tolylboronic acid.
Description
The present invention obtains state natural sciences fund general project (21471113), Tianjin Municipal Education Commission funded projects
(20140506), Tianjin Normal University's Middl-age and youth faculty Academic innovations propulsion planning item and Tianjin innovation team of institution of higher education
Training plan subsidizes (td12-5038).
Technical field
The invention belongs to Inorganic synthese technical field, it is related to copper complex { [cu (l)] (cf3so3)·0.33h2o} (1)
The preparation method of (l=4- (3- (4h-1,2,4- triazole-4-yl) phenyl) -4h-1,2,4- triazole) and conduct are to methylbenzene boron
The application of the catalyst aspect of sour coupling reaction.
Background technology
One active field is always with the research that transition metal complex catalysis carries out high selectivity.With common
Synthesizing mean is difficult to the reaction realized, and busy use transition metal complex can a step complete in a mild condition.Therefore, adopt
Make catalyst of metal complex and develop the organic synthesis of high selectivity, high conversion, be very interesting
Problem.In organic synthesiss, typically conventional transition metal has nickel, palladium, copper, ruthenium, rhodium, manganese etc., and wherein palladium complex show many
Sample catalysiss.Palladium catalysed cross coupling reaction species is a lot, and these reactions are in synthesis of natural product, polymer, functional material, liquid
All have been widely used in crystalline substance, drug molecule and bioactive compound.But palladium catalyst is relatively costly, if can be with cheap
Copper complex replaces expensive palladium catalyst, realizes the process of reaction, not only can be cost-effective, and is expected to industrial metaplasia
Produce.
1,2,4- triazole and its derivant have the coordination feature of pyrazoles and imidazoles concurrently, are that the stronger bridging of coordination ability is joined
Body, has synthesized and has characterized substantial amounts of monokaryon, multinuclear and multidimensional compound at present.These parts can be former with the nitrogen on 1,2
Son and metallic ion coordination form n1, n2- bridging pattern, and for 4 unsubstituted 1,2,4- triazole derivatives can pass through 2,4
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 dimensions
Metal complex is to complete the vital step of device.
The present invention is from cu (cf3so3)2With 4- (3- (4h-1,2,4- triazole-4-yl) phenyl) -4h-1,2,4- three
Azoles (l) is 100oC hydrothermal condition gets off to prepare copper complex { [cu (l)] (cf3so3)·0.33h2o} (1).Catalysis experiments are demonstrate,proved
Bright, this coordination compound can be applied as to the catalyst of methylphenylboronic acid coupling reaction.
Content of the invention
Further object is that providing a kind of isophthalic double triazole copper complex { [cu (l)] (cf3so3)·
0.33h2O } (1) monocrystalline and preparation method thereof.
For this current inventor provides following technical scheme:
Double triazole copper complex { [cu (l)] (cf of isophthalic3so3)·0.33h2o} (1) (l = 4-(3-(4h-1,2,4-
Triazole-4-yl) phenyl) -4h-1,2,4- triazole) and structural motif as shown in Figure 1:
L=4- (3- (4h-1,2,4- triazole-4-yl) phenyl) -4h-1,2,4- triazole；
The present invention further discloses double triazole copper complex { [cu (l)] (cf of isophthalic3so3)·0.33h2o} (1) (l
=4- (3- (4h-1,2,4- triazole-4-yls) phenyl) -4h-1,2,4- triazoles) monocrystalline is it is characterised in that this mono-crystalline structures adopts
Apex ii ccd single crystal diffractometer, using through graphite monochromatised mok alpha ray (λ=0.71073) be incident radiation,
Withω-2θScan mode collects point diffraction, obtains cell parameter through least square refinement, close from difference Fourier electronics
Degree is desired to make money or profit and is solved single crystal data with software:
The crystallographic data of table 1. coordination compound 1
Double triazole copper complex { [cu (l)] (cf of isophthalic of the present invention3so3)·0.33h2o} (1) (l = 4-(3-
(4h-1,2,4- triazole-4-yls) phenyl) -4h-1,2,4- triazoles) monocrystalline monocrystalline preparation method, its feature adopt " hydro-thermal
Method ", in ch3Cn and h2In o, by cu (cf3so3)2With l ligand 1 60oReact under c hydrothermal condition, obtain being suitable for x- ray single crystal
The yellow rhabdolith of diffraction.Wherein ch3Cn and h2The volume ratio of o is 4:6, cu (cf3so3)2Mol ratio with l is 1:1
The more detailed preparation method of the present invention is as follows:
A kind of double triazole copper complex { [cu (l)] (cf of isophthalic3so3)·0.33h2o} (1) (l = 4-(3-(4h-1,
2,4- triazole-4-yls) phenyl) -4h-1,2,4- triazoles) monocrystalline preparation method, its feature adopt " hydro-thermal method ", in ch3cn
And h2In o, by cu (cf3so3)2With l ligand 1 60oReact under c hydrothermal condition, obtain the yellow rod being suitable for x- ray single crystal diffraction
Shape crystal.Wherein ch3Cn and h2The volume ratio of o is 4:6, cu (cf3so3)2Mol ratio with l is 1:1；
Solvent of the present invention is mixed solvent, ch3Cn and h2o.Wherein cu (cf3so3)2Mol ratio with l is 1:1.
The present invention further discloses copper complex { [cu (l)] (cf3so3)·0.33h2o} (1) (l = 4-(3-
(4h-1,2,4- triazole-4-yl) phenyl) -4h-1,2,4- triazole) can answering as the catalyst aspect of phenylboric acid coupling reaction
With.
A kind of double triazole copper complex { [cu (l)] (cf of isophthalic disclosed by the invention3so3)·0.33h2o} (1) (l =
4- (3- (4h-1,2,4- triazole-4-yl) phenyl) -4h-1,2,4- triazole) monocrystalline had the advantage that to be with feature:
(1) operation is simple and easy to do.
(2) reaction yield is high, and the purity of products obtained therefrom is high.
(3) { [cu (l)] (cf prepared by the present invention3so3)·0.33h2o} (1) (l = 4-(3-(4h-1,2,4-
Triazole-4-yl) phenyl) -4h-1,2,4- triazoles) low production cost, method simplicity, suitable large-scale production.
Brief description
The crystal structure primitive figure of Fig. 1: coordination compound 1；
The tomograph of Fig. 2: coordination compound 1.
The nuclear-magnetism figure of Fig. 3: 4,4'- dimethyl diphenyl.
Specific embodiment
With reference to 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.All of raw material is all to be bought from chemical reagents corporation both domestic and external, does not have
Use through continuation purification but directly.
Embodiment 1
The preparation of 4- (3- (4h-1,2,4- triazole-4-yl) phenyl) -4h-1,2,4- triazole (l) part
It is separately added into m-diaminobenzene. (1 in the 50 ml three neck round bottom flasks equipped with magneton, reflux condenser and thermometer
Mmol), double formylhydrazines (2 mmol), start stirring at 160 DEG C, react 12 hours.After reaction terminates, reactant liquor is down to room
Temperature, separates out a large amount of precipitation, by precipitation water and ethyl alcohol recrystallization, yield 86%.Elementary analysiss c10h8n6Theoretical value: c, 56.60；
H, 3.80；N, 39.60.Experiment value: c, 56.56；H, 3.75；N, 39.56.M-diaminobenzene., the mol ratio of double formylhydrazines is 1:2.
Embodiment 2
cu(cf3so3)2With 4- (3- (4h-1,2,4- triazole-4-yl) phenyl) -4h-1,2,4- triazole) mol ratio of (l)
For 1:1；
L (0.0424 g, 0.2 mmol), cu (cf3so3)2(0.0691 g, 0.2 mmol), h2O (6 ml),
ch3Cn (4 ml), hydro-thermal 160oC was slowly dropped to room temperature after tri- days.There is the yellow of suitable x- ray single crystal diffraction analysis after driving kettle
Rhabdolith.Yield: 35% (being calculated based on l).Elementary analysiss (c33h26cu3f9n18o10s3) theoretical value (%): c, 30.67；H,
2.03；N, 19.51.Measured value: c, 30.69；H, 2.06；N, 19.59.
We also attempted other ratios, such as cu (cf3so3)2Be 2:1 with the mol ratio of l, then no matter hydro-thermal reaction when
Between length, all cannot get crystalline compound.Therefore cu (cf3so3)2Mol ratio with l is optimum response proportioning for 1:1.
Embodiment 3
Crystal structure determination adopts apex ii ccd single crystal diffractometer, using through graphite monochromatised mok alpha ray (λ=
0.71073) it is incident radiation, withω-2θScan mode collects point diffraction, obtains structure cell ginseng through least square refinement
Number, solves crystal structure from difference Fourier electron density map using software, and through Lorentz lorentz and polarity effect correction.All of
H atom is synthesized and determined through preferable position calculation by difference Fourier.Detailed axonometry data is shown in Table 1.Structural motif is shown in
Fig. 1, the three dimensional structure of coordination compound is shown in Fig. 2.
The crystallographic data of table 1. coordination compound 1
Embodiment 4
One active field is always with the research that transition metal complex catalysis carries out high selectivity.With common
Synthesizing mean is difficult to the reaction realized, and busy use transition metal complex can a step complete in a mild condition.Therefore, adopt
Make catalyst of metal complex and develop the organic synthesis of high selectivity, high conversion, be very interesting
Problem.In organic synthesiss, typically conventional transition metal has nickel, palladium, copper, ruthenium, rhodium, manganese etc., and wherein palladium complex show many
Sample catalysiss.Palladium catalysed cross coupling reaction species is a lot, and these reactions are in synthesis of natural product, polymer, functional material, liquid
All have been widely used in crystalline substance, drug molecule and bioactive compound.But palladium catalyst is relatively costly, if can be with cheap
Copper complex replaces expensive palladium catalyst, realizes the process of reaction, not only can be cost-effective, and is expected to industrial metaplasia
Produce.
1,2,4- triazole and its derivant have the coordination feature of pyrazoles and imidazoles concurrently, are that the stronger bridging of coordination ability is joined
Body, has synthesized and has characterized substantial amounts of monokaryon, multinuclear and multidimensional compound at present.These parts can be former with the nitrogen on 1,2
Son and metallic ion coordination form n1, n2- bridging pattern, and for 4 unsubstituted 1,2,4- triazole derivatives can pass through 2,4
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 dimensions
Metal complex is to complete the vital step of device.
The present invention is from cu (cf3so3)2With 4- (3- (4h-1,2,4- triazole-4-yl) phenyl) -4h-1,2,4- three
Azoles (l) is 160oC hydrothermal condition gets off to prepare copper complex { [cu (l)] (cf3so3)·0.33h2o} (1).Catalysis experiments are demonstrate,proved
Bright, this coordination compound can be applied as to the catalyst of methylphenylboronic acid coupling reaction.
Weigh 1.1 g to methylphenylboronic acid in 25 ml beakers, 0.2 g cs2co3, 3 ml dmf and 0.1 g catalyst
(coordination compound 1), stirs 1 hour under room temperature, and tlc monitoring (pe:ea=1:1) reaction is complete, 10 ml ch2cl2After extracted products
Again with 20 ml distilled water washs, organic faciess sewage mgso4It is dried, filter, precipitation, the crude product obtaining is with petroleum ether eluting
Cross post, obtain 4,4'- dimethyl diphenyl.
Claims (2)
1. application in terms of as the coupling reaction catalyst to methylphenylboronic acid for the double triazole copper complex monocrystalline of isophthalic, wherein
This mono-crystalline structures adopts apex ii ccd single crystal diffractometer, using through graphite monochromatised mok alpha ray, λ=0.71073
For incident radiation, withω-2θScan mode collects point diffraction, obtains cell parameter through least square refinement, from difference Fu
Vertical leaf electron density map solves single crystal data using software:
The structure of the double triazole copper complex monocrystalline of described isophthalic: [cu (l)] (cf3so3)·0.33h2O, l=4- (3- (4h-1,
2,4- triazole-4-yl) phenyl) -4h-1,2,4- triazole.
2. the application described in claim 1, the double triazole copper complex monocrystalline catalysis of described isophthalic is anti-to the coupling of methylphenylboronic acid
The method answered is as follows:
To methylphenylboronic acid 4,4'- dimethyl diphenyl
Weigh 1.1 g to methylphenylboronic acid in 25 ml beakers, 0.2 g cs2co3, 3 ml dmf and 0.1 g catalyst complex
Thing monocrystalline, stirs 1 hour under room temperature, and tlc monitoring reaction is complete, 10 ml ch2cl2Again with 20 ml distillation washings after extracted products
Wash, the anhydrous mgso of organic faciess4It is dried, filter, precipitation, the crude product obtaining strips post with petroleum ether, obtains 4,4'- diformazan
Base biphenyl.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410767898.5A CN104557982B (en) | 2014-12-15 | 2014-12-15 | Triazole-copper triflate complex with effect of catalyzing p-Tolylboronic acid and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410767898.5A CN104557982B (en) | 2014-12-15 | 2014-12-15 | Triazole-copper triflate complex with effect of catalyzing p-Tolylboronic acid and preparation method thereof |
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| Publication Number | Publication Date |
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