WO2011062109A1 - パラジウム触媒及びそれを用いたビスアリール化合物の製造方法 - Google Patents
パラジウム触媒及びそれを用いたビスアリール化合物の製造方法 Download PDFInfo
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- WO2011062109A1 WO2011062109A1 PCT/JP2010/070101 JP2010070101W WO2011062109A1 WO 2011062109 A1 WO2011062109 A1 WO 2011062109A1 JP 2010070101 W JP2010070101 W JP 2010070101W WO 2011062109 A1 WO2011062109 A1 WO 2011062109A1
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- palladium
- palladium catalyst
- ionic liquid
- producing
- dendrimer
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- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 title claims abstract description 119
- 239000003054 catalyst Substances 0.000 title claims abstract description 75
- 229910052763 palladium Inorganic materials 0.000 title claims abstract description 58
- 150000001875 compounds Chemical class 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 33
- -1 aromatic halide Chemical class 0.000 claims abstract description 31
- 239000002608 ionic liquid Substances 0.000 claims abstract description 28
- 239000000412 dendrimer Substances 0.000 claims abstract description 27
- 229920000736 dendritic polymer Polymers 0.000 claims abstract description 27
- 150000002941 palladium compounds Chemical class 0.000 claims abstract description 16
- 125000003118 aryl group Chemical group 0.000 claims abstract description 9
- ZADPBFCGQRWHPN-UHFFFAOYSA-N boronic acid Chemical compound OBO ZADPBFCGQRWHPN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000002245 particle Substances 0.000 claims abstract description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 36
- 238000006243 chemical reaction Methods 0.000 claims description 32
- YJVFFLUZDVXJQI-UHFFFAOYSA-L palladium(ii) acetate Chemical compound [Pd+2].CC([O-])=O.CC([O-])=O YJVFFLUZDVXJQI-UHFFFAOYSA-L 0.000 claims description 18
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical group [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 18
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 9
- INDFXCHYORWHLQ-UHFFFAOYSA-N bis(trifluoromethylsulfonyl)azanide;1-butyl-3-methylimidazol-3-ium Chemical compound CCCCN1C=C[N+](C)=C1.FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F INDFXCHYORWHLQ-UHFFFAOYSA-N 0.000 claims description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 5
- 239000012046 mixed solvent Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000003446 ligand Substances 0.000 abstract description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 5
- 239000011574 phosphorus Substances 0.000 abstract description 5
- 230000003197 catalytic effect Effects 0.000 abstract description 4
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 36
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 36
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 30
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 24
- 238000003756 stirring Methods 0.000 description 15
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 14
- 239000000741 silica gel Substances 0.000 description 14
- 229910002027 silica gel Inorganic materials 0.000 description 14
- HXITXNWTGFUOAU-UHFFFAOYSA-N phenylboronic acid Chemical compound OB(O)C1=CC=CC=C1 HXITXNWTGFUOAU-UHFFFAOYSA-N 0.000 description 11
- WYECURVXVYPVAT-UHFFFAOYSA-N 1-(4-bromophenyl)ethanone Chemical compound CC(=O)C1=CC=C(Br)C=C1 WYECURVXVYPVAT-UHFFFAOYSA-N 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- 238000005119 centrifugation Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 6
- 238000006161 Suzuki-Miyaura coupling reaction Methods 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 5
- IQQRAVYLUAZUGX-UHFFFAOYSA-N 1-butyl-3-methylimidazolium Chemical compound CCCCN1C=C[N+](C)=C1 IQQRAVYLUAZUGX-UHFFFAOYSA-N 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical group CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 150000002940 palladium Chemical class 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- RVEJOWGVUQQIIZ-UHFFFAOYSA-N 1-hexyl-3-methylimidazolium Chemical compound CCCCCCN1C=C[N+](C)=C1 RVEJOWGVUQQIIZ-UHFFFAOYSA-N 0.000 description 2
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 2
- QARVLSVVCXYDNA-UHFFFAOYSA-N bromobenzene Chemical compound BrC1=CC=CC=C1 QARVLSVVCXYDNA-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 2
- NSJVYHOPHZMZPN-UHFFFAOYSA-N (2-methylphenyl)boronic acid Chemical compound CC1=CC=CC=C1B(O)O NSJVYHOPHZMZPN-UHFFFAOYSA-N 0.000 description 1
- HYCYKHYFIWHGEX-UHFFFAOYSA-N (2-phenylphenyl)boronic acid Chemical compound OB(O)C1=CC=CC=C1C1=CC=CC=C1 HYCYKHYFIWHGEX-UHFFFAOYSA-N 0.000 description 1
- VOAAEKKFGLPLLU-UHFFFAOYSA-N (4-methoxyphenyl)boronic acid Chemical compound COC1=CC=C(B(O)O)C=C1 VOAAEKKFGLPLLU-UHFFFAOYSA-N 0.000 description 1
- 238000005160 1H NMR spectroscopy Methods 0.000 description 1
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 description 1
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Natural products P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 1
- LXGQHDUCNDGTDB-PAMNCVQHSA-N [2-[(8s,9r,10s,13s,14s,16s,17r)-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl]-2-oxoethyl] acetate;[2-[(8s,9r,10s,13s,14s,16s,17r)-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,11, Chemical compound C1CC2=CC(=O)C=C[C@]2(C)[C@]2(F)[C@@H]1[C@@H]1C[C@H](C)[C@@](C(=O)COC(C)=O)(O)[C@@]1(C)CC2O.C1CC2=CC(=O)C=C[C@]2(C)[C@]2(F)[C@@H]1[C@@H]1C[C@H](C)[C@@](C(=O)COP(O)(O)=O)(O)[C@@]1(C)CC2O LXGQHDUCNDGTDB-PAMNCVQHSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- DILRJUIACXKSQE-UHFFFAOYSA-N n',n'-dimethylethane-1,2-diamine Chemical compound CN(C)CCN DILRJUIACXKSQE-UHFFFAOYSA-N 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
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- 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
- C07F15/0006—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table compounds of the platinum group
- C07F15/006—Palladium compounds
- C07F15/0066—Palladium 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
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0277—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides comprising ionic liquids, as components in catalyst systems or catalysts per se, the ionic liquid compounds being used in the molten state at the respective reaction temperature
- B01J31/0278—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides comprising ionic liquids, as components in catalyst systems or catalysts per se, the ionic liquid compounds being used in the molten state at the respective reaction temperature containing nitrogen as cationic centre
- B01J31/0281—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides comprising ionic liquids, as components in catalyst systems or catalysts per se, the ionic liquid compounds being used in the molten state at the respective reaction temperature containing nitrogen as cationic centre the nitrogen being a ring member
- B01J31/0284—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides comprising ionic liquids, as components in catalyst systems or catalysts per se, the ionic liquid compounds being used in the molten state at the respective reaction temperature containing nitrogen as cationic centre the nitrogen being a ring member of an aromatic ring, e.g. pyridinium
-
- 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
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0277—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides comprising ionic liquids, as components in catalyst systems or catalysts per se, the ionic liquid compounds being used in the molten state at the respective reaction temperature
- B01J31/0292—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides comprising ionic liquids, as components in catalyst systems or catalysts per se, the ionic liquid compounds being used in the molten state at the respective reaction temperature immobilised on a substrate
- B01J31/0295—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides comprising ionic liquids, as components in catalyst systems or catalysts per se, the ionic liquid compounds being used in the molten state at the respective reaction temperature immobilised on a substrate by covalent attachment to the substrate, e.g. silica
- B01J31/0297—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides comprising ionic liquids, as components in catalyst systems or catalysts per se, the ionic liquid compounds being used in the molten state at the respective reaction temperature immobilised on a substrate by covalent attachment to the substrate, e.g. silica the substrate being a soluble polymer, dendrimer or oligomer of characteristic microstructure of groups B01J31/061 - B01J31/068
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/18—Preparation of ethers by reactions not forming ether-oxygen bonds
- C07C41/30—Preparation of ethers by reactions not forming ether-oxygen bonds by increasing the number of carbon atoms, e.g. by oligomerisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
- C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
-
- 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
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
- C07F7/1804—Compounds having Si-O-C linkages
-
- 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
- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
- B01J2231/40—Substitution reactions at carbon centres, e.g. C-C or C-X, i.e. carbon-hetero atom, cross-coupling, C-H activation or ring-opening reactions
- B01J2231/42—Catalytic cross-coupling, i.e. connection of previously not connected C-atoms or C- and X-atoms without rearrangement
- B01J2231/4205—C-C cross-coupling, e.g. metal catalyzed or Friedel-Crafts type
- B01J2231/4211—Suzuki-type, i.e. RY + R'B(OR)2, in which R, R' are optionally substituted alkyl, alkenyl, aryl, acyl and Y is the leaving group
- B01J2231/4227—Suzuki-type, i.e. RY + R'B(OR)2, in which R, R' are optionally substituted alkyl, alkenyl, aryl, acyl and Y is the leaving group with Y= Cl
-
- 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
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/82—Metals of the platinum group
- B01J2531/824—Palladium
-
- 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
- C07B2200/11—Compounds covalently bound to a solid support
Definitions
- the present invention relates to a palladium catalyst for the Suzuki-Miyaura reaction and a method for producing a bisaryl compound using the palladium catalyst.
- the Suzuki-Miyaura reaction is a coupling reaction between an aromatic halide and an aromatic boronic acid. This reaction is catalyzed by palladium in the presence of a base and usually requires a phosphorus-based ligand for catalyst activation. And since the product bisaryl compound is a substance useful as a pharmaceutical or an organic electronic material, it is a useful reaction used not only for basic research but also industrially.
- Non-Patent Document 1 discloses that a hydroxyapatite-immobilized palladium catalyst is active in the Suzuki-Miyaura coupling using bromobenzene and phenylboric acid, and the catalyst rotation efficiency (TON) ) Is also high, but the activity of the catalyst is somewhat low, and there is a drawback that severe reaction conditions of a reaction temperature of 120 ° C. are necessary.
- Non-Patent Document 2 shows that a solid-phase palladium catalyst using a non-crosslinkable amphiphilic polymer having aryl phosphine as a ligand is active in Suzuki-Miyaura coupling and has a high TON.
- severe reaction conditions of a reaction temperature of 100 ° C. are necessary.
- the cost for producing the non-crosslinkable amphiphilic polymer is high.
- Patent Document 1 Development of a palladium catalyst is desired.
- the present invention provides a novel palladium catalyst having high catalytic activity that does not leak and can be recycled and does not require the use of a phosphorus-based ligand, and a method for producing a novel bisaryl compound using the palladium catalyst The purpose is to provide.
- the Suzuki-Miyaura reaction can be progressed in a high yield by using a palladium catalyst in which palladium acetate is supported on a dendrimer having silica particles as a core using an ionic liquid.
- the present invention was conceived.
- a palladium catalyst when producing a bisaryl compound by reacting an aromatic halide and an aromatic boronic acid in the presence of a palladium catalyst and a base, silica particles are used as the palladium catalyst.
- a palladium catalyst is used in which a palladium compound dissolved in an ionic liquid is supported on a dendrimer as a nucleus.
- the dendrimer having the silica particles as a nucleus is represented by the following formula (wherein R 1 and R 2 are hydrogen or a methyl group).
- the silica particles have a particle diameter in the range of 1 to 100 nm.
- the palladium compound is palladium acetate.
- the ionic liquid is 1-butyl-3-methylimidazolium hexafluorophosphate.
- the ionic liquid is 1-butyl-3-methylimidazolium bis (trifluoromethanesulfonyl) imide.
- the ionic liquid is 1-hexyl-3-methylimidazolium hexafluorophosphate.
- the base is potassium carbonate, and the reaction between the aromatic halide and the aromatic boronic acid is carried out in a mixed solvent of water and ethanol.
- the palladium catalyst of the present invention is characterized in that a palladium compound dissolved in an ionic liquid is supported on a dendrimer having silica particles as a nucleus.
- the dendrimer having the silica particles as a nucleus is represented by the following formula (wherein R 1 and R 2 are hydrogen or a methyl group).
- the silica particles have a particle diameter in the range of 1 to 100 nm.
- the palladium compound is palladium acetate.
- the ionic liquid is 1-butyl-3-methylimidazolium hexafluorophosphate.
- the ionic liquid is 1-butyl-3-methylimidazolium bis (trifluoromethanesulfonyl) imide.
- the ionic liquid is 1-hexyl-3-methylimidazolium hexafluorophosphate.
- the palladium catalyst of the present invention is obtained by supporting a palladium compound dissolved in an ionic liquid on a dendrimer having silica particles as a core.
- the dendrimer having silica particles as a core is not limited to the type of dendrimer and the number of branches of the dendrimer, and any dendrimer may be used as long as it can support a palladium compound dissolved in an ionic liquid.
- any dendrimer may be used as long as it can support a palladium compound dissolved in an ionic liquid.
- those represented by the following formula (wherein R 1 and R 2 are hydrogen or a methyl group) can be used.
- the silica particles preferably have a particle diameter in the range of 1 to 100 nm.
- palladium compounds include palladium acetate (Pd (OAc) 2 , where (OAc is an acetic acid residue)), palladium salts such as palladium chloride (PdCl 2 ), palladium black (Pd), tetra (triphenylphosphine)
- Pd palladium chloride
- Pd palladium black
- tetra triphenylphosphine
- palladium compounds such as palladium complexes such as palladium (Pd (PPh 3 ) 4 , where Ph is a phenyl group) are included. Of these, palladium acetate is particularly preferably used.
- the palladium compound is carry
- the ionic liquid may be any liquid as long as it is liquid at room temperature, preferably 35 ° C. or less and can dissolve the palladium compound, such as 1-butyl-3-methylimidazolium hexafluorophosphate ([bmim] PF 6 ), 1 -Hexyl-3-methylimidazolium hexafluorophosphate ([hmim] PF 6 ), 1-butyl-3-methylimidazolium bis (trifluoromethanesulfonyl) imide ([bmim] NTf 2 ) and the like can be used.
- 1-butyl-3-methylimidazolium hexafluorophosphate [bmim] PF 6
- 1 -Hexyl-3-methylimidazolium hexafluorophosphate [hmim] PF 6
- the method for producing a bisaryl compound of the present invention uses the above-described palladium catalyst of the present invention when producing a bisaryl compound by reacting an aromatic halide with an aromatic boronic acid in the presence of a palladium catalyst and a base. It is.
- Aromatic halides and aromatic boronic acids are not limited to specific ones, and any kind of aromatic halide and aromatic boronic acid can be used to produce bisaryl compounds by the Suzuki-Miyaura reaction. It is.
- organic and inorganic bases can be used as the base and are not limited to specific ones, but potassium carbonate is particularly preferably used.
- the reaction between the aromatic halide and the aromatic boronic acid proceeds even in a commonly used organic solvent, but is most efficiently performed in a mixed solvent of ethanol and water.
- the palladium catalyst of the present invention described above has an extremely high activity in which the catalyst rotation efficiency (TON) reaches 100,000, has the advantage that it can be easily recovered by filtration and can be recycled, and can also be used in a microreactor.
- this method for producing a bisaryl compound using a palladium catalyst does not require a ligand for the reaction, and the reaction proceeds in a mixed solvent of ethanol and water and is highly environmentally friendly.
- the reaction proceeds at room temperature and does not require heating, and various compounds can be reacted.
- it is possible to synthesize a biphenyl compound having a substituent at the ortho position which was conventionally difficult to synthesize with high yield due to steric hindrance, with high yield. Further, the product can be easily isolated without requiring an extraction operation for the isolation of the product.
- silica gel was isolated by centrifugation and washed several times with methanol.
- silica gel was isolated by centrifugation and washed several times with methanol.
- silica gel was isolated by centrifugation and washed several times with methanol.
- silica gel was isolated by centrifugation and washed several times with methanol.
- silica gel was isolated by centrifugation and washed several times with methanol.
- the dendrimer (200 mg) prepared by the above method was placed in a 10 ml test tube. Thereto was added a solution of 1-butyl-3-methylimidazolium hexafluorophosphate (19 mg, 10% by mass) and palladium acetate (36 mg, 0.16 mmol) in tetrahydrofuran (2 ml), and the mixture was stirred at room temperature for 4 hours. THF was distilled off under reduced pressure, and the surface was rinsed with diethyl ether. Furthermore, it was dried under reduced pressure to obtain a supported catalyst (247 mg). The supported amount of palladium acetate was 0.65 mmol / g.
- reaction Example 1 In a 10 ml test tube, 4-bromoacetophenone (100 mg, 0.50 mmol), phenylboronic acid (85 mg, 0.70 mmol, 1.4 eq), potassium carbonate (138 mg, 1.0 mmol, 2.0 eq), palladium catalyst (8 mg, 0.005 mmol, 0.01 eq) and 50% aqueous ethanol (2 ml) were added, and stirring was started at room temperature.
- a palladium catalyst was prepared using 1-butyl-3-methylimidazolium bis (trifluoromethanesulfonyl) imide ([bmim] NTf 2 ) as the ionic liquid.
- Dendrimer 50 mg prepared by the method described in Example 1 was placed in a 10 ml test tube. Thereto was added a solution of 1-butyl-3-methylimidazolium bis (trifluoromethylsulfonyl) imide (13 mg, 26% by mass) and palladium acetate (15 mg, 0.06 mmol) in tetrahydrofuran (4 ml), and at room temperature for 4 hours. Stir. THF was distilled off under reduced pressure, and the surface was rinsed with diethyl ether. Furthermore, it dried under reduced pressure to obtain a supported catalyst (60 mg). The supported amount of palladium acetate was 0.83 mmol / g.
- a palladium catalyst was prepared using 1-hexyl-3-methylimidazolium hexafluorophosphate ([hmim] PF 6 ) as the ionic liquid.
- Dendrimer 50 mg prepared by the method described in Example 1 was placed in a 10 ml test tube. A solution of 1-butyl-3-hexylimidazolium hexafluorophosphate (21 mg, 30% by mass) and palladium acetate (15 mg, 0.06 mmol) in tetrahydrofuran (4 ml) was added thereto, followed by stirring at room temperature for 4 hours. THF was distilled off under reduced pressure, and the surface was rinsed with diethyl ether. Furthermore, it dried under reduced pressure to obtain a supported catalyst (75 mg). The supported amount of palladium acetate was 0.84 mmol / g.
- a catalyst in which palladium acetate was supported on a dendrimer without using an ionic liquid was prepared, and a reaction using this catalyst was attempted.
- a dendrimer 99.9 mg prepared by the method described in Example 1 was added to a 10 ml test tube. Further, palladium acetate (22.4 mg, 0.10 mmol) was dissolved in tetrahydrofuran (1.5 ml), and the solution was added dropwise with a cannula and stirred at room temperature for 4 hours. After stirring, the solvent was removed under reduced pressure, washed with diethyl ether, and dried under reduced pressure to obtain a supported catalyst (106.3 mg). The supported amount of palladium acetate was 0.94 mmol / g.
- the activity of a catalyst in which palladium acetate is supported on a dendrimer without using an ionic liquid is low, and in the reaction of 4-bromoacetophenone and phenylboronic acid in 50% ethanol, the product is collected in 24 hours at room temperature. The rate was 51%.
- a catalyst was prepared without using a dendrimer, and a reaction using this catalyst was attempted.
- Palladium acetate was immobilized on amorphous alumina surface-modified with diethylaminopropyl group using 1-butyl-3-methylimidazolium hexafluorophosphate.
- this catalyst the reaction of 4-bromoacetophenone and 2-methylphenylboronic acid was carried out in 50% ethanol aqueous solution for 8 hours with heating under reflux, but the raw material was completely recovered.
- the reaction of 4-bromoacetophenone with 2,6-dimethylphenylboronic acid also completely recovered the raw material.
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Abstract
Description
(1)シリカ粒子を核とするデンドリマーの調製
シリカゲル(5.0g、粒径16nm、表面積200m2/g)およびγ-アミノトリエトキシシラン(150mL、5%トルエン溶液)の懸濁液を8時間加熱還流した。遠心分離後、ソックスレー抽出器を用い24時間トルエンにてシリカゲルを抽出した。その後、室温で減圧下乾燥した。
イオン液体として1-ブチル-3-メチルイミダゾリウムヘキサフルオロホスフェート([bmim]PF6)を用いてパラジウム触媒を調製した。
10ml試験管に4-ブロモアセトフェノン(100mg、0.50mmol)、フェニルボロン酸(85mg、0.70mmol、1.4eq)、炭酸カリウム(138mg、1.0mmol、2.0eq)、パラジウム触媒(8mg、0.005mmol、0.01eq)、50%エタノール水溶液(2ml)を加え、室温で撹拌を開始した。30分撹拌後、反応を止め、遠心分離機で触媒を分離し、ジエチルエーテル/エタノールでデカンテーション、ショートカラム(酢酸エチル/n-ヘキサン=1/3)、カラム(酢酸エチル/n-ヘキサン=1/10)により分離精製を行い、下記の目的物(102mg、100%)を得た。
10ml試験管に4-ブロモアセトフェノン(100mg、0.50mmol)、2-フェニルフェニルボロン酸(138mg、0.70mmol、1.4eq)、炭酸カリウム(139mg、1.0mmol、2.0eq)、パラジウム触媒(8mg、0.005mmol、0.01eq)、50%エタノール水溶液(2ml)を加え、室温で撹拌を開始した。30分撹拌後、反応を止め、遠心分離機で触媒を分離し、ジエチルエーテル/エタノールでデカンテーション、ショートカラム(酢酸エチル/n-ヘキサン=1/3)、カラム(酢酸エチル/n-ヘキサン=1/10)により分離精製を行い、下記の目的物(134mg、98%)を得た。
10ml試験管に4-ブロモアセトフェノン(101mg、0.50mmol)、4-メトキシフェニルボロン酸(106mg、0.70mmol、1.4eq)、炭酸カリウム(138mg、1.0mmol、2.0eq)、パラジウム触媒(8mg、0.005mmol、0.01eq)、50%エタノール水溶液(2ml)を加え、室温で撹拌を開始した。30分撹拌後、反応を止め、遠心分離機で触媒を分離し、ジエチルエーテル/エタノールでデカンテーション、ショートカラム(酢酸エチル/n-ヘキサン=1/1)、カラム(酢酸エチル/n-ヘキサン=1/3)により分離精製を行い、下記の目的物(104mg、90%)を得た。
種々の芳香族ハロゲン化物と芳香族ボロン酸に、上記のパラジウム触媒(0.01eq)を用いて、50%エタノール水溶液中で反応を行った。その結果を表に示す。多様な基質に対応して、高収率で目的物が得られた。
イオン液体として1-ブチル-3-メチルイミダゾリウムビス(トリフルオロメタンスルフォニル)イミド([bmim]NTf2)を用いてパラジウム触媒を調製した。
実施例3で得たパラジウム触媒を用いてビスアリール化合物を合成した。
イオン液体として1-ヘキシル-3-メチルイミダゾリウムヘキサフルオロホスフェート([hmim]PF6)を用いてパラジウム触媒を調製した。
実施例5で得たパラジウム触媒を用いてビスアリール化合物を合成した。
Claims (15)
- パラジウム触媒及び塩基の存在下において、芳香族ハロゲン化物と芳香族ボロン酸とを反応させてビスアリール化合物を製造するに際し、前記パラジウム触媒として、シリカ粒子を核とするデンドリマーにイオン液体に溶解したパラジウム化合物を担持させてなるパラジウム触媒を用いることを特徴とするビスアリール化合物の製造方法。
- 前記シリカ粒子の粒子径が1~100nmの範囲であることを特徴とする請求項2記載のビスアリール化合物の製造方法。
- 前記パラジウム化合物が酢酸パラジウムであることを特徴とする請求項2記載のビスアリール化合物の製造方法。
- 前記イオン液体が1-ブチル-3-メチルイミダゾリウムヘキサフルオロホスフェートであることを特徴とする請求項4記載のビスアリール化合物の製造方法。
- 前記イオン液体が1-ブチル-3-メチルイミダゾリウムビス(トリフルオロメタンスルフォニル)イミドであることを特徴とする請求項4記載のビスアリール化合物の製造方法。
- 前記イオン液体が1-ヘキシル-3-メチルイミダゾリウムヘキサフルオロホスフェートであることを特徴とする請求項4記載のビスアリール化合物の製造方法。
- 前記塩基は炭酸カリウムであり、前記芳香族ハロゲン化物と前記芳香族ボロン酸との反応が水とエタノールの混合溶媒中において行われることを特徴とする請求項2記載のビスアリール化合物の製造方法。
- シリカ粒子を核とするデンドリマーにイオン液体に溶解したパラジウム化合物を担持させてなることを特徴とするパラジウム触媒。
- 前記シリカ粒子の粒子径が1~100nmの範囲であることを特徴とする請求項10記載のパラジウム触媒。
- 前記パラジウム化合物が酢酸パラジウムであることを特徴とする請求項10記載のパラジウム触媒。
- 前記イオン液体が1-ブチル-3-メチルイミダゾリウムヘキサフルオロホスフェートであることを特徴とする請求項12記載のパラジウム触媒。
- 前記イオン液体が1-ブチル-3-メチルイミダゾリウムビス(トリフルオロメタンスルフォニル)イミドであることを特徴とする請求項12記載のパラジウム触媒。
- 前記イオン液体が1-ヘキシル-3-メチルイミダゾリウムヘキサフルオロホスフェートであることを特徴とする請求項12記載のパラジウム触媒。
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JP2014047202A (ja) * | 2012-09-04 | 2014-03-17 | Ne Chemcat Corp | ビフェニル化合物の合成方法 |
JPWO2012111468A1 (ja) * | 2011-02-18 | 2014-07-03 | 国立大学法人 新潟大学 | パラジウム触媒及びそれを用いたビスアリール化合物の製造方法 |
CN110180596A (zh) * | 2019-05-22 | 2019-08-30 | 国家纳米科学中心 | 树枝状介孔二氧化硅/二氧化铱复合纳米酶的制备和应用 |
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WO2008118097A1 (en) * | 2007-03-23 | 2008-10-02 | Agency For Science, Technology And Research | Palladium catalysts |
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Cited By (5)
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JPWO2012111468A1 (ja) * | 2011-02-18 | 2014-07-03 | 国立大学法人 新潟大学 | パラジウム触媒及びそれを用いたビスアリール化合物の製造方法 |
JP5896926B2 (ja) * | 2011-02-18 | 2016-03-30 | 川研ファインケミカル株式会社 | パラジウム触媒及びそれを用いたビスアリール化合物の製造方法 |
JP2014047202A (ja) * | 2012-09-04 | 2014-03-17 | Ne Chemcat Corp | ビフェニル化合物の合成方法 |
CN110180596A (zh) * | 2019-05-22 | 2019-08-30 | 国家纳米科学中心 | 树枝状介孔二氧化硅/二氧化铱复合纳米酶的制备和应用 |
CN110180596B (zh) * | 2019-05-22 | 2022-02-08 | 国家纳米科学中心 | 树枝状介孔二氧化硅/二氧化铱复合纳米酶的制备和应用 |
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