WO2018016413A1 - 高分子化合物の製造方法 - Google Patents
高分子化合物の製造方法 Download PDFInfo
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- WO2018016413A1 WO2018016413A1 PCT/JP2017/025537 JP2017025537W WO2018016413A1 WO 2018016413 A1 WO2018016413 A1 WO 2018016413A1 JP 2017025537 W JP2017025537 W JP 2017025537W WO 2018016413 A1 WO2018016413 A1 WO 2018016413A1
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- palladium
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- 239000000463 material Substances 0.000 description 1
- AUHZEENZYGFFBQ-UHFFFAOYSA-N mesitylene Substances CC1=CC(C)=CC(C)=C1 AUHZEENZYGFFBQ-UHFFFAOYSA-N 0.000 description 1
- 125000001827 mesitylenyl group Chemical group [H]C1=C(C(*)=C(C([H])=C1C([H])([H])[H])C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000005948 methanesulfonyloxy group Chemical group 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- PSHKMPUSSFXUIA-UHFFFAOYSA-N n,n-dimethylpyridin-2-amine Chemical compound CN(C)C1=CC=CC=N1 PSHKMPUSSFXUIA-UHFFFAOYSA-N 0.000 description 1
- 125000006610 n-decyloxy group Chemical group 0.000 description 1
- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001298 n-hexoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- 125000006609 n-nonyloxy group Chemical group 0.000 description 1
- 125000006608 n-octyloxy group Chemical group 0.000 description 1
- 125000003935 n-pentoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 125000004365 octenyl group Chemical group C(=CCCCCCC)* 0.000 description 1
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 1
- 125000006340 pentafluoro ethyl group Chemical group FC(F)(F)C(F)(F)* 0.000 description 1
- DPBLXKKOBLCELK-UHFFFAOYSA-O pentylazanium Chemical compound CCCCC[NH3+] DPBLXKKOBLCELK-UHFFFAOYSA-O 0.000 description 1
- 125000005007 perfluorooctyl group Chemical group FC(C(C(C(C(C(C(C(F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)* 0.000 description 1
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 1
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 1
- 150000004714 phosphonium salts Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000007348 radical reaction Methods 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001226 reprecipitation Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- UVVFKNZCYIIHGM-UHFFFAOYSA-L tetrabutylazanium;carbonate Chemical compound [O-]C([O-])=O.CCCC[N+](CCCC)(CCCC)CCCC.CCCC[N+](CCCC)(CCCC)CCCC UVVFKNZCYIIHGM-UHFFFAOYSA-L 0.000 description 1
- DPKBAXPHAYBPRL-UHFFFAOYSA-M tetrabutylazanium;iodide Chemical compound [I-].CCCC[N+](CCCC)(CCCC)CCCC DPKBAXPHAYBPRL-UHFFFAOYSA-M 0.000 description 1
- IFLREYGFSNHWGE-UHFFFAOYSA-N tetracene Chemical compound C1=CC=CC2=CC3=CC4=CC=CC=C4C=C3C=C21 IFLREYGFSNHWGE-UHFFFAOYSA-N 0.000 description 1
- 229940073455 tetraethylammonium hydroxide Drugs 0.000 description 1
- APBDREXAUGXCCV-UHFFFAOYSA-L tetraethylazanium;carbonate Chemical compound [O-]C([O-])=O.CC[N+](CC)(CC)CC.CC[N+](CC)(CC)CC APBDREXAUGXCCV-UHFFFAOYSA-L 0.000 description 1
- LRGJRHZIDJQFCL-UHFFFAOYSA-M tetraethylazanium;hydroxide Chemical compound [OH-].CC[N+](CC)(CC)CC LRGJRHZIDJQFCL-UHFFFAOYSA-M 0.000 description 1
- WJZPIORVERXPPR-UHFFFAOYSA-L tetramethylazanium;carbonate Chemical compound [O-]C([O-])=O.C[N+](C)(C)C.C[N+](C)(C)C WJZPIORVERXPPR-UHFFFAOYSA-L 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- SXAWRMKQZKPHNJ-UHFFFAOYSA-M tetrapentylazanium;chloride Chemical compound [Cl-].CCCCC[N+](CCCCC)(CCCCC)CCCCC SXAWRMKQZKPHNJ-UHFFFAOYSA-M 0.000 description 1
- DMUXGOVRWIDZEU-UHFFFAOYSA-M tetrapentylazanium;fluoride Chemical compound [F-].CCCCC[N+](CCCCC)(CCCCC)CCCCC DMUXGOVRWIDZEU-UHFFFAOYSA-M 0.000 description 1
- DKBLJGBNSOBLAO-UHFFFAOYSA-L tetrapropylazanium;carbonate Chemical compound [O-]C([O-])=O.CCC[N+](CCC)(CCC)CCC.CCC[N+](CCC)(CCC)CCC DKBLJGBNSOBLAO-UHFFFAOYSA-L 0.000 description 1
- LPSKDVINWQNWFE-UHFFFAOYSA-M tetrapropylazanium;hydroxide Chemical compound [OH-].CCC[N+](CCC)(CCC)CCC LPSKDVINWQNWFE-UHFFFAOYSA-M 0.000 description 1
- 125000005270 trialkylamine group Chemical group 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- 125000001889 triflyl group Chemical group FC(F)(F)S(*)(=O)=O 0.000 description 1
- 125000003258 trimethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- FQLSDFNKTNBQLC-UHFFFAOYSA-N tris(2,3,4,5,6-pentafluorophenyl)phosphane Chemical compound FC1=C(F)C(F)=C(F)C(F)=C1P(C=1C(=C(F)C(F)=C(F)C=1F)F)C1=C(F)C(F)=C(F)C(F)=C1F FQLSDFNKTNBQLC-UHFFFAOYSA-N 0.000 description 1
- JQKHNBQZGUKYPX-UHFFFAOYSA-N tris(2,4,6-trimethoxyphenyl)phosphane Chemical compound COC1=CC(OC)=CC(OC)=C1P(C=1C(=CC(OC)=CC=1OC)OC)C1=C(OC)C=C(OC)C=C1OC JQKHNBQZGUKYPX-UHFFFAOYSA-N 0.000 description 1
- CCXTYQMZVYIQRP-UHFFFAOYSA-N tris(3-methoxyphenyl)phosphane Chemical compound COC1=CC=CC(P(C=2C=C(OC)C=CC=2)C=2C=C(OC)C=CC=2)=C1 CCXTYQMZVYIQRP-UHFFFAOYSA-N 0.000 description 1
- LFNXCUNDYSYVJY-UHFFFAOYSA-N tris(3-methylphenyl)phosphane Chemical compound CC1=CC=CC(P(C=2C=C(C)C=CC=2)C=2C=C(C)C=CC=2)=C1 LFNXCUNDYSYVJY-UHFFFAOYSA-N 0.000 description 1
- GEPJPYNDFSOARB-UHFFFAOYSA-N tris(4-fluorophenyl)phosphane Chemical compound C1=CC(F)=CC=C1P(C=1C=CC(F)=CC=1)C1=CC=C(F)C=C1 GEPJPYNDFSOARB-UHFFFAOYSA-N 0.000 description 1
- UYUUAUOYLFIRJG-UHFFFAOYSA-N tris(4-methoxyphenyl)phosphane Chemical compound C1=CC(OC)=CC=C1P(C=1C=CC(OC)=CC=1)C1=CC=C(OC)C=C1 UYUUAUOYLFIRJG-UHFFFAOYSA-N 0.000 description 1
- WXAZIUYTQHYBFW-UHFFFAOYSA-N tris(4-methylphenyl)phosphane Chemical compound C1=CC(C)=CC=C1P(C=1C=CC(C)=CC=1)C1=CC=C(C)C=C1 WXAZIUYTQHYBFW-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
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- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/12—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
- C08G61/122—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides
- C08G61/123—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides derived from five-membered heterocyclic compounds
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- C08G61/12—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
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- C08G2261/135—Cross-linked structures
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- C08G2261/10—Definition of the polymer structure
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- C08G2261/1412—Saturated aliphatic units
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- C08G2261/10—Definition of the polymer structure
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- C08G2261/1414—Unsaturated aliphatic units
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- C08G2261/10—Definition of the polymer structure
- C08G2261/16—End groups
- C08G2261/164—End groups comprising organic end groups
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- C08G2261/30—Monomer units or repeat units incorporating structural elements in the main chain
- C08G2261/31—Monomer units or repeat units incorporating structural elements in the main chain incorporating aromatic structural elements in the main chain
- C08G2261/314—Condensed aromatic systems, e.g. perylene, anthracene or pyrene
- C08G2261/3142—Condensed aromatic systems, e.g. perylene, anthracene or pyrene fluorene-based, e.g. fluorene, indenofluorene, or spirobifluorene
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- C08G2261/31—Monomer units or repeat units incorporating structural elements in the main chain incorporating aromatic structural elements in the main chain
- C08G2261/316—Monomer units or repeat units incorporating structural elements in the main chain incorporating aromatic structural elements in the main chain bridged by heteroatoms, e.g. N, P, Si or B
- C08G2261/3162—Arylamines
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- C08G2261/30—Monomer units or repeat units incorporating structural elements in the main chain
- C08G2261/37—Metal complexes
- C08G2261/374—Metal complexes of Os, Ir, Pt, Ru, Rh, Pd
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- C08G2261/411—Suzuki reactions
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- C08G2261/70—Post-treatment
- C08G2261/76—Post-treatment crosslinking
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- C08G2261/90—Applications
- C08G2261/95—Use in organic luminescent diodes
Definitions
- the present invention relates to a method for producing a polymer compound.
- a halogen atom and a hydroxyl group remaining in the polymer compound may cause deterioration in the characteristics of the electronic device. Therefore, there is a demand for a polymer compound having a reduced halogen atom content and hydroxyl group content.
- a polymer compound with a reduced halogen atom content can be produced, for example, by repeatedly performing a coupling reaction or dehalogenating by a catalytic reaction on a polymer compound in which a halogen atom remains.
- Patent Documents 1 and 2 Is known (Patent Documents 1 and 2).
- the polymer compound having a reduced hydroxyl content is obtained by, for example, subjecting a monomer as a raw material to condensation polymerization under a condition where the oxygen concentration is less than 0.05%, or a polymer compound obtained by condensation polymerization. It is known to manufacture by performing an alumina treatment or a copper salt treatment (Patent Document 3).
- the above-described method cannot sufficiently reduce the content of at least one of the halogen atom and the hydroxyl group, or needs to repeat the reduction treatment of the halogen atom and the hydroxyl group. It was difficult to efficiently produce a polymer compound having a sufficiently reduced content.
- an object of the present invention is to provide a method for producing a polymer compound that can efficiently produce a polymer compound in which the content of halogen atoms and the content of hydroxyl groups are sufficiently reduced.
- the present invention provides the following [1] to [6].
- the manufacturing method of a high molecular compound which has a structure represented by the structural unit represented by Formula (1), the structural unit represented by Formula (2), and Formula (3).
- Ar 1 and Ar 2 each independently represent an arylene group, a divalent heterocyclic group, or a divalent aromatic amine residue, and these groups optionally have a substituent.
- Z 1 , Z 2 , Z 3 and Z 4 each independently represent a group selected from the substituent group A and the substituent group B. However, at least one of Z 1 , Z 2 , Z 3 and Z 4 is a group selected from the substituent A group, and at least one is a group selected from the substituent B group.
- R C1 represents an alkyl group or an aryl group, and these groups may have a substituent
- a plurality of R C2 may be the same or different. And may be connected to each other to form a ring together with the oxygen atoms to which they are bonded.
- Ar 3 represents an aryl group or a monovalent heterocyclic group, and these groups optionally have a substituent.
- Z 5 represents a group selected from the substituent group A and the substituent group B.
- a X1 and a X2 each independently represent an integer of 0 to 2.
- Ar X1 , Ar X2 , Ar X3 and Ar X4 each independently represent an arylene group, a divalent heterocyclic group, or a divalent group in which an arylene group and a divalent heterocyclic group are directly bonded, These groups may have a substituent.
- Ar X2 and Ar X4 may be the same or different.
- R X1 , R X2 and R X3 each independently represent a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group, a monovalent heterocyclic group or a metal complex-containing group, and these groups have a substituent. You may do it. When there are a plurality of R X2 and R X3 , they may be the same or different.
- [6] The method for producing a polymer compound according to any one of [1] to [5], wherein the second step is performed in the presence of the first palladium used in the first step.
- Me represents a methyl group
- Et represents an ethyl group
- i-Pr represents an isopropyl group
- n-Bu represents an n-butyl group
- t-Bu represents a tert-butyl group.
- the hydrogen atom may be a light hydrogen atom or a deuterium atom.
- the “polymer compound” means a polymer having a molecular weight distribution and having a polystyrene-equivalent number average molecular weight (Mn) of 1 ⁇ 10 3 to 1 ⁇ 10 8 .
- Mn polystyrene-equivalent number average molecular weight
- the structural unit contained in the polymer compound is 100 mol% in total.
- “Structural unit” means one or more units present in a polymer compound.
- the “alkyl group” may be linear, branched or cyclic.
- the number of carbon atoms of the linear alkyl group is usually 1 to 50, preferably 3 to 30, more preferably 4 to 20, not including the carbon atoms of the substituent.
- the number of carbon atoms of the branched and cyclic alkyl group is usually 3 to 50, preferably 3 to 30, and more preferably 4 to 20, not including the number of carbon atoms of the substituent.
- the alkyl group may have a substituent, for example, methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, isobutyl group, tert-butyl group, n-pentyl group, isoamyl group 2-ethylbutyl group, n-hexyl group, cyclohexyl group, n-heptyl group, cyclohexylmethyl group, cyclohexylethyl group, n-octyl group, 2-ethylhexyl group, 3-n-propylheptyl group, n-decyl group, Unsubstituted alkyl groups such as 3,7-dimethyloctyl group, 2-ethyloctyl group, 2-n-hexyl-decyl group, n-dodecyl group; trifluoromethyl group, pentafluoro
- Alkylene group means a divalent group obtained by removing one hydrogen atom from the “alkyl group”.
- the “alkylene group” may be linear, branched or cyclic.
- the number of carbon atoms of the linear alkylene group does not include the number of carbon atoms of the substituent, and is usually 1 to 50, preferably 2 to 30, more preferably 2 to 20, and more preferably 2 to 10 More preferably, it is 2-5.
- the number of carbon atoms of the branched and cyclic alkylene group does not include the number of carbon atoms of the substituent, and is usually 3 to 50, preferably 4 to 30, and more preferably 5 to 20.
- the alkylene group may have a substituent, and examples thereof include a dimethylene group, a trimethylene group, and a tetramethylene group.
- Aromatic compound means an aromatic hydrocarbon compound and an aromatic heterocyclic compound.
- Aryl group means an atomic group remaining after removing one hydrogen atom directly bonded to a carbon atom constituting a ring from an aromatic hydrocarbon.
- the number of carbon atoms of the aryl group does not include the number of carbon atoms of the substituent, and is usually 6 to 60, preferably 6 to 20, and more preferably 6 to 10.
- the aryl group may have a substituent, for example, phenyl group, 1-naphthyl group, 2-naphthyl group, 1-anthracenyl group, 2-anthracenyl group, 9-anthracenyl group, 1-pyrenyl group, 2 -Pyrenyl group, 4-pyrenyl group, 2-fluorenyl group, 3-fluorenyl group, 4-fluorenyl group, 2-phenylphenyl group, 3-phenylphenyl group, 4-phenylphenyl group, and hydrogen atoms in these groups Is a group substituted with an alkyl group, an alkoxy group, an aryl group, a fluorine atom or the like.
- the “alkoxy group” may be linear, branched or cyclic.
- the number of carbon atoms of the linear alkoxy group does not include the number of carbon atoms of the substituent, and is usually 1 to 40, preferably 4 to 10.
- the number of carbon atoms of the branched and cyclic alkoxy group does not include the number of carbon atoms of the substituent, and is usually 3 to 40, preferably 4 to 10.
- the alkoxy group may have a substituent, for example, methoxy group, ethoxy group, n-propyloxy group, isopropyloxy group, n-butyloxy group, isobutyloxy group, tert-butyloxy group, n-pentyloxy Group, n-hexyloxy group, cyclohexyloxy group, n-heptyloxy group, n-octyloxy group, 2-ethylhexyloxy group, n-nonyloxy group, n-decyloxy group, 3,7-dimethyloctyloxy group, lauryl An oxy group is mentioned.
- the number of carbon atoms of the “aryloxy group” is usually 6 to 60, preferably 7 to 48, not including the number of carbon atoms of the substituent.
- the aryloxy group may have a substituent, for example, a phenoxy group, 1-naphthyloxy group, 2-naphthyloxy group, 1-anthracenyloxy group, 9-anthracenyloxy group, 1- Examples include a pyrenyloxy group and a group in which a hydrogen atom in these groups is substituted with an alkyl group, an alkoxy group, a fluorine atom, or the like.
- a “substituted amino group” is an amino group having two substituents.
- the substituent that the amino group has is preferably an alkyl group, an aryl group, or a monovalent heterocyclic group.
- Examples of the substituted amino group include a dialkylamino group and a diarylamino group.
- substituted amino group examples include dimethylamino group, diethylamino group, diphenylamino group, bis (4-methylphenyl) amino group, bis (4-tert-butylphenyl) amino group, and bis (3,5-di-tert). -Butylphenyl) amino group.
- alkenyl group may be linear, branched or cyclic.
- the straight-chain alkenyl group has 2 to 30 carbon atoms, preferably 3 to 20 carbon atoms, not including the substituent carbon atoms.
- the number of carbon atoms in the branched and cyclic alkenyl group does not include the number of carbon atoms of the substituent, and is usually from 3 to 30, and preferably from 4 to 20.
- the alkenyl group may have a substituent, for example, vinyl group, 1-propenyl group, 2-propenyl group, 2-butenyl group, 3-butenyl group, 3-pentenyl group, 4-pentenyl group, 1 -Hexenyl group, 5-hexenyl group, 7-octenyl group, and groups in which these groups have substituents.
- alkynyl group may be linear, branched or cyclic.
- the number of carbon atoms of the alkynyl group does not include the carbon atom of the substituent, and is usually 2 to 20, preferably 3 to 20.
- the number of carbon atoms of the branched and cyclic alkynyl group is usually 4 to 30, preferably 4 to 20, not including the carbon atom of the substituent.
- the alkynyl group may have a substituent, for example, an ethynyl group, a 1-propynyl group, a 2-propynyl group, a 2-butynyl group, a 3-butynyl group, a 3-pentynyl group, a 4-pentynyl group, 1 -Hexynyl group, 5-hexynyl group, and groups in which these groups have substituents.
- a substituent for example, an ethynyl group, a 1-propynyl group, a 2-propynyl group, a 2-butynyl group, a 3-butynyl group, a 3-pentynyl group, a 4-pentynyl group, 1 -Hexynyl group, 5-hexynyl group, and groups in which these groups have substituents.
- “Arylene group” means an atomic group remaining after removing two hydrogen atoms directly bonded to a carbon atom constituting a ring from an aromatic hydrocarbon.
- the number of carbon atoms of the arylene group is usually 6 to 60, preferably 6 to 30, and more preferably 6 to 18, excluding the number of carbon atoms of the substituent.
- the arylene group may have a substituent, for example, phenylene group, naphthalenediyl group, anthracenediyl group, phenanthrene diyl group, dihydrophenanthenediyl group, naphthacene diyl group, fluorenediyl group, pyrenediyl group, perylene diyl group, Examples include chrysenediyl groups and groups in which these groups have substituents, and groups represented by formulas (A-1) to (A-20) are preferable.
- the arylene group includes a group in which a plurality of these groups are bonded.
- R and R a each independently represents a hydrogen atom, an alkyl group or an aryl group.
- a plurality of R and R a may be the same or different.
- Adjacent R a may be bonded to each other to form a ring together with the carbon atoms to which they are bonded.
- the “p-valent heterocyclic group” (p represents an integer of 1 or more) is p of hydrogen atoms directly bonded to a carbon atom or a hetero atom constituting a ring from a heterocyclic compound. This means the remaining atomic group excluding the hydrogen atom. Among the p-valent heterocyclic groups, it is the remaining atomic group obtained by removing p hydrogen atoms from the hydrogen atoms directly bonded to the carbon atoms or heteroatoms constituting the ring from the aromatic heterocyclic compound. A “p-valent aromatic heterocyclic group” is preferable.
- “Aromatic heterocyclic compounds” include oxadiazole, thiadiazole, thiazole, oxazole, thiophene, pyrrole, phosphole, furan, pyridine, pyrazine, pyrimidine, triazine, pyridazine, quinoline, isoquinoline, carbazole, dibenzosilole, dibenzophosphole A compound in which the heterocyclic ring itself is aromatic, and a heterocyclic ring such as phenoxazine, phenothiazine, dibenzoborol, dibenzosilol, benzopyran, etc. itself does not exhibit aromaticity, but the aromatic ring is condensed to the heterocyclic ring. Means a compound that has been
- the number of carbon atoms of the p-valent heterocyclic group does not include the number of carbon atoms of the substituent, and is usually 2 to 60, preferably 4 to 20.
- the p-valent heterocyclic group may have a substituent.
- Examples of the monovalent heterocyclic group include thienyl group, pyrrolyl group, furyl group, pyridyl group, piperidyl group, quinolyl group, isoquinolyl group, pyrimidinyl group, triazinyl group, and hydrogen atoms in these groups are alkyl groups. And a group substituted with an alkoxy group or the like.
- the divalent heterocyclic group may have a substituent, for example, pyridine, diazabenzene, triazine, azanaphthalene, diazanaphthalene, carbazole, dibenzofuran, dibenzothiophene, dibenzosilol, phenoxazine, phenothiazine, acridine, Divalent acridine, furan, thiophene, azole, diazole, and triazole include divalent groups obtained by removing two hydrogen atoms from hydrogen atoms directly bonded to carbon atoms or heteroatoms constituting the ring, and preferably Is a group represented by formula (A-21) to formula (A-52).
- the divalent heterocyclic group includes a group in which a plurality of these groups are bonded.
- R and R a represent the same meaning as described above.
- R ′ represents an alkyl group or an aryl group. When a plurality of R ′ are present, they may be the same or different. ]
- crosslinking group is a group capable of generating a new bond by being subjected to heat treatment, ultraviolet irradiation treatment, radical reaction, and the like, and is preferably a group represented by formula (B-1) to formula (B- It is a group represented by any one of 17).
- “Substituent” represents a fluorine atom, a cyano group, an alkyl group, an aryl group, a monovalent heterocyclic group, an alkoxy group, an aryloxy group, a substituted amino group, an alkenyl group or an alkynyl group.
- the substituent may be a crosslinking group.
- Examples of the group represented by —O—S ( ⁇ O) 2 R C1 include a methanesulfonyloxy group, an ethanesulfonyloxy group, and a trifluoromethanesulfonyl group.
- Examples of the group represented by —B (OR C2 ) 2 include a group represented by the following formula.
- a reaction product is obtained by reacting a compound represented by formula (M-1) and a compound represented by formula (M-2) in the presence of a solvent, a base, and a first palladium compound. It is a process.
- the compound represented by the formula (M-1), the compound represented by the formula (M-2), and the first palladium compound are mixed in a reaction vessel, and then replaced with an inert gas. It is preferable to reduce the oxygen concentration in the reaction vessel.
- the first step if necessary, at least one selected from the group consisting of a compound represented by formula (M-1), a compound represented by formula (M-2), a solvent and a base is further added. May be.
- the ratio of the group selected from the substituent group B is usually 1 to 80 mol%, preferably 10 to 60 mol%, based on 100 mol% of the total amount of Z 1 , Z 2 , Z 3 and Z 4 . More preferably, it is 30 to 50 mol%.
- the first palladium compound is usually a palladium catalyst.
- the palladium catalyst may be a homogeneous transition metal complex catalyst or a heterogeneous transition metal complex catalyst, and is preferably a homogeneous transition metal complex catalyst.
- Examples of the first palladium compound include compounds represented by formula (a) to formula (d).
- L represents a ligand having an unpaired electron pair.
- R 1 represents a hydrogen atom, a halogen atom, an alkyl group, an aryl group, a monovalent heterocyclic group or a sulfonyloxy group. L may be the same or different, and a plurality of R 1 may be the same or different.
- two Ls are bonded to each other.
- L and R 1 may be bonded to each other to form a ring
- two R 1 are bonded to each other. And may form a ring.
- the first palladium compound is preferably a compound represented by formula (a), formula (b), or formula (d).
- a phosphine ligand As the ligand having an unpaired electron pair, a phosphine ligand, a carbene ligand, and an aromatic heterocyclic ligand are preferable, and a phosphine ligand is more preferable.
- phosphine ligand As a phosphine ligand, the ligand represented by Formula (5) is mentioned, for example.
- R 2 , R 3 , and R 4 each independently represents an alkyl group, an aryl group, or a monovalent heterocyclic group, and these groups may have a substituent.
- Examples of the ligand represented by the formula (5) include triphenylphosphine, tri-o-tolylphosphine, tri-m-tolylphosphine, tri-p-tolylphosphine, tris (pentafluorophenyl) phosphine, tris (P-fluorophenyl) phosphine, tris (o-methoxyphenyl) phosphine, tris (m-methoxyphenyl) phosphine, tris (p-methoxyphenyl) phosphine, tris (2,4,6-trimethoxyphenyl) phosphine, tri -2-Triarylphosphine-type monodentate ligands such as 2-furylphosphine; Alkyldiarylphosphine-type monodentate ligands such as cyclohexyldiphenylphosphine; 2- (dicyclohexylphosphino) bi
- Examples of the carbene ligand include a ligand represented by formula (6) or formula (7).
- R 5 and R 6 each independently represents an alkyl group, an aryl group or a monovalent heterocyclic group, and these groups optionally have a substituent.
- R 7 and R 8 each independently represents an alkyl group, an aryl group or a monovalent heterocyclic group, and these groups optionally have a substituent.
- carbene ligand examples include 1,3-bis (2,6-diisopropylphenyl) imidazol-2-ylidene, 1,3-bis (2,6-diisopropylphenyl) imidazolidin-2-ylidene, 3-bis (2,4,6-trimethylphenyl) imidazol-2-ylidene, 1,3-bis (2,4,6-trimethylphenyl) imidazolidin-2-ylidene, 1,3-dimesitylimidazole 2-ylidene, 1,3-dimesitylimidazolidin-2-ylidene, 1,3-di-tert-butylimidazol-2-ylidene, 1,3-di-tert-butylimidazolidin-2-ylidene, 1 , 3-Di (1-adamantyl) imidazol-2-ylidene, 1,3-di (1-adamantyl) imidazolidin-2-ylidene,
- aromatic heterocyclic ligand examples include oxadiazole, thiadiazole, thiazole, oxazole, thiophene, pyrrole, phosphole, furan, pyridine, pyrazine, pyrimidine, triazine, pyridazine, quinoline, isoquinoline, carbazole, dibenzosilole, Examples include dibenzophosphole, and pyridine, pyrazine, pyrimidine, triazine, and pyridazine are preferable, and pyridine is more preferable. These ligands may have a substituent.
- examples of the ligand in which two Ls are bonded to each other to form a ring include a ligand represented by the formula (8).
- R 9 and R 10 each independently represents an alkyl group, an aryl group, or a monovalent heterocyclic group, and these groups optionally have a substituent.
- R a1 represents an alkylene group. Or an arylene group, which may have a substituent, and a broken line represents a bonding point with a palladium atom.
- Examples of the ligand represented by the formula (8) include 1,2-bis (diphenylphosphino) ethane, 1,3-bis (diphenylphosphino) propane, and 2,2′-bis (diphenylphosphino). ) -1,1′-binaphthyl, 4,5-bis (diphenylphosphino) -9,9-dimethylxanthene.
- examples of the structure in which two R 1 are bonded to each other to form a ring include structures represented by the formulas (9) to (11).
- R 11 represents a hydrogen atom, a halogen atom, an alkyl group, a hydroxyl group, an alkoxy group, an aryloxy group or an aryl group, these groups may have a substituent.
- Plurality of R 11 May be the same or different, and the broken line represents the point of attachment to the palladium atom.
- examples of the structure in which L and R 1 are bonded to each other to form a ring include structures represented by the formula (12) or the formula (13).
- R 12 represents a hydrogen atom, an alkyl group, an alkoxy group, an aryloxy group or an aryl group, which may have a substituent.
- a plurality of R 12 may be the same or different. (The broken line represents the point of attachment to the palladium atom.)
- Examples of the first palladium compound include triarylphosphine type monodentate such as tetrakis (triphenylphosphine) palladium, dichlorobis [tri (o-tolyl) phosphine] palladium, and dichlorobis [tris (2-methoxyphenyl) phosphine] palladium.
- triarylphosphine type monodentate such as tetrakis (triphenylphosphine) palladium, dichlorobis [tri (o-tolyl) phosphine] palladium, and dichlorobis [tris (2-methoxyphenyl) phosphine] palladium.
- the first palladium compound may be obtained commercially or synthesized by a palladium exchange reaction with a palladium precursor such as Pd (OAc) 2 , Pd (dba) 2 , Pd 2 (dba) 3.
- a palladium precursor and a compound serving as a ligand may be mixed and synthesized in the system.
- the amount of the first palladium compound used is usually 0.00001 mol to 3 mol with respect to 1 mol of the total amount of the compound represented by the formula (M-1) and the compound represented by the formula (M-2). Preferably, it is 0.00005 mol to 2 mol, more preferably 0.0001 mol to 2 mol.
- the first palladium compound may be used alone or in combination of two or more.
- Examples of the divalent heterocyclic group represented by Ar 1 and Ar 2 include formula (A-24), formula (A-30) to formula (A-33), or formula (A-38) to formula (A- The group represented by 42) is preferred, and the group represented by the formula (A-24) is more preferred.
- Ar 1 and Ar 2 are preferably an arylene group and a divalent aromatic amine residue.
- a X1 and a X2 are preferably integers of 0 to 2, more preferably a X1 is 1 and a X2 is 0.
- the arylene group represented by Ar X1 and Ar X3 is preferably a group represented by the formula (A-1) or the formula (A-9), more preferably a group represented by the formula (A-1). It is.
- the divalent heterocyclic group represented by Ar X1 , Ar X2 , Ar X3 and Ar X4 is preferably represented by the formula (A-21), the formula (A-22) or the formula (A-27) to the formula (A- 46).
- the arylene group represented by Ar X2 and Ar X4 is preferably represented by formula (A-1), formula (A-6), formula (A-7), formula (A-9) to formula (A-11) or A group represented by the formula (A-19), more preferably a group represented by the formula (A-1).
- Examples of the divalent group in which the arylene group represented by Ar X1 , Ar X2 , Ar X3 and Ar X4 and the divalent heterocyclic group are directly bonded include groups represented by the following formulas, It may have a substituent.
- R XX represents a hydrogen atom, an alkyl group, an aryl group, or a monovalent heterocyclic group, and these groups optionally have a substituent.
- R XX is preferably an alkyl group or an aryl group, and these groups optionally have a substituent.
- the alkyl group represented by R X1 , R X2 and R X3 is preferably a methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, isobutyl group, tert-butyl group, n-pentyl group, An isoamyl group, a 2-ethylbutyl group, and an n-hexyl group;
- the cycloalkyl group represented by R X1 , R X2 and R X3 is preferably a cyclopentyl group or a cyclohexyl group.
- the aryl group represented by R X1 , R X2 and R X3 is preferably a phenyl group, 1-naphthyl group, 2-naphthyl group, 1-anthracenyl group, 2-anthracenyl group, 9-anthracenyl group, 1-pyrenyl group.
- the monovalent heterocyclic group represented by R X1 , R X2 and R X3 is preferably a thienyl group, pyrrolyl group, furyl group, pyridyl group, piperidyl group, quinolyl group, isoquinolyl group, pyrimidinyl group or triazinyl group. .
- Examples of the metal complex-containing group represented by R X1 , R X2 and R X3 include a group represented by any one of formula (MC-1) and formula (MC-2).
- M is an iridium atom or a platinum atom.
- N 1.
- Ring A represents a cyclic structure containing a nitrogen atom which may have a substituent
- ring B represents a cyclic structure containing a carbon atom which may have a substituent.
- Ring A is preferably a heteroaromatic ring, more preferably a heteroaromatic ring having 2 to 9 carbon atoms.
- Ring B is preferably an aromatic hydrocarbon ring, more preferably an aromatic hydrocarbon ring having 6 to 12 carbon atoms.
- the metal complex-containing group may further have a substituent.
- Examples of the compound represented by the formula (MC-1) include compounds represented by the formula (MC-1a) to the formula (MC-1i), and the formula (MC-1b), the formula (MC-1c) ), A compound represented by the formula (MC-1d) or the formula (MC-1e) is preferable, and a compound represented by the formula (MC-1e) is more preferable.
- Some or all of the hydrogen atoms in these compounds may be substituted with a substituent, or a plurality of substituents may be bonded to form a ring.
- Examples of the compound represented by the formula (MC-2) include compounds represented by the formula (MC-2a) to the formula (MC-2k), and the formula (MC-2b), the formula (MC-2c) ), A compound represented by formula (MC-2d) or formula (MC-2e) is preferred, and a compound represented by formula (MC-2e) is more preferred.
- Some or all of the hydrogen atoms in these compounds may be substituted with a substituent, or a plurality of substituents may be bonded to form a ring.
- R X1 , R X2 and R X3 are preferably a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group or a monovalent heterocyclic group, more preferably an aryl group.
- the substituent group A is preferably a chlorine atom, a bromine atom or a group represented by —O—S ( ⁇ O) 2 R C1 , more preferably a bromine atom.
- the substituent group B a boronic acid residue and a boronic acid pinacol ester residue are preferable, and a boronic acid pinacol ester residue is more preferable.
- the compounds represented by formula (M-1) and formula (M-2) can be produced according to commercially available products or any known method.
- the compounds represented by formula (M-1) and formula (M-2) may be used singly or in combination of two or more.
- Examples of the compounds represented by formula (M-1) and formula (M-2) include formula (1-11) to formula (1-46), formula (X1-1) to formula (X1-19). And compounds represented by formula (Y-11) to formula (Y-19).
- Z represents a group selected from Substituent Group A and Substituent Group B. Plural Zs may be the same or different.
- Examples and preferred ranges of Z are the same as examples and preferred ranges of groups represented by Z 1 , Z 2 , Z 3 or Z 4 .
- a solvent water and an organic solvent are mentioned, for example, Water and an organic solvent can also be used together.
- organic solvent examples include aromatic hydrocarbon solvents such as toluene, xylene and mesitylene, ether solvents such as tetrahydrofuran, 1,4-dioxane and dimethoxyethane, N, N-dimethylacetamide, N, N-dimethylformamide and the like.
- Amide solvents methanol, ethanol, ethylene glycol, isopropyl alcohol, propylene glycol, 2-methoxyethanol, 2-butoxyethanol and other alcohol solvents, acetone, methyl ethyl ketone, cyclopentanone, cyclohexanone, methyl amyl ketone, methyl isobutyl ketone, N- Examples include ketone solvents such as methyl-2-pyrrolidinone, aliphatic hydrocarbon solvents such as pentane, hexane and heptane, and halogenated hydrocarbon solvents such as chloroform, ether solvents, and aromatic carbonization. Containing solvents, amide solvents, ketone solvents are preferable, an ether solvent, more preferably an aromatic hydrocarbon solvent, an aromatic hydrocarbon solvent is more preferable.
- the amount of the solvent used is usually 10 parts by weight to 100000 parts by weight with respect to 100 parts by weight of the total amount of the compound represented by the formula (M-1) and the compound represented by the formula (M-2). It is preferably 100 parts by weight to 50000 parts by weight, more preferably 200 parts by weight to 20000 parts by weight.
- the solvent may be used alone or in combination of two or more.
- the base may be either an inorganic base or an organic base, preferably an organic base.
- the inorganic base examples include an aqueous solution of an alkali metal inorganic acid salt, an aqueous solution of an alkali metal carbonate such as sodium carbonate or potassium carbonate, an aqueous solution of an alkali metal hydroxide such as sodium hydroxide or potassium hydroxide, phosphorus Alkali metal phosphates such as potassium acid are preferred.
- organic base examples include tetraalkylammonium hydroxide, tetraalkylammonium carbonate, 1,5-diazabicyclo [4.3.0] non-5-ene, 1,8-diazabicyclo [5.4.0] undec- Examples thereof include alkylammonium fluorides such as 7-ene, 1,4-diazabicyclo [2.2.2] octane, dimethylaminopyridine, pyridine, trialkylamine and tetraalkylammonium fluoride, preferably tetraalkyl hydroxide.
- tetraalkylammonium hydroxide examples include tetramethylammonium hydroxide, tetraethylammonium hydroxide, tetrapropylammonium hydroxide, benzyltrimethylammonium hydroxide, tetrabutylammonium hydroxide, phenyltrimethylammonium hydroxide, (C 5 H 11 ) 4 NOH, (C 16 H 33 ) (CH 3 ) 3 NOH, (C 16 H 33 ) (CH 3 ) 3 NOH, (C 8 H 17 ) 3 (CH 3 ) NOH, (C 8 H 17 ) 2 (C 10 H 21) (CH 3) NOH, (C 8 H 17) (C 10 H 21) 2 (CH 3) NOH, (C 10 H 21) 3 (CH 3) NOH, (C 8 H 17) 4 NOH and benzyltriethylammonium hydroxide.
- tetraalkylammonium carbonate examples include tetramethylammonium carbonate, tetraethylammonium carbonate, tetrapropylammonium carbonate, benzyltrimethylammonium carbonate, tetrabutylammonium carbonate, and phenyltrimethylammonium hydroxide.
- tetraalkylammonium dicarbonate examples include tetramethylammonium bicarbonate, tetraethylammonium bicarbonate, tetrapropylammonium bicarbonate, benzyltrimethylammonium bicarbonate, tetrabutylammonium bicarbonate, and phenyltrimethylammonium bicarbonate.
- the amount of the base used is usually 0.5 mol to 100 mol, preferably 1 mol to the total amount of 1 mol of the compound represented by the formula (M-1) and the compound represented by the formula (M-2). Is 0.5 mol to 75 mol, more preferably 0.5 mol to 50 mol.
- the bases may be used alone or in combination of two or more.
- phase transfer catalyst may be added in the first step or the second step for the purpose of improving the reactivity, or may be added in both the first step and the second step. Also good.
- phase transfer catalyst examples include ammonium compounds, phosphonium salts and macrocyclic polyethers, preferably ammonium compounds.
- ammonium compounds include tetrabutylammonium fluoride, tetrabutylammonium chloride, tetrabutylammonium bromide, tetrabutylammonium iodide, tetrapentylammonium fluoride, tetrapentylammonium chloride, tetrapentylammonium bromide, tetraiodide iodide.
- Pentylammonium (C 16 H 33 ) (CH 3 ) 3 NCl, (C 8 H 17 ) 3 (CH 3 ) NCl, (C 8 H 17 ) 2 (C 10 H 21 ) (CH 3 ) NCl, (C 8 H 17 ) (C 10 H 21 ) 2 (CH 3 ) NCl, (C 10 H 21 ) 3 (CH 3 ) NCl, (C 8 H 17 ) 4 NBr, benzyltriethylammonium chloride, and cetylpyridinium chloride Preferred are tetrabutylammonium bromide and tetrapentylammonium bromide.
- the amount of the phase transfer catalyst used is usually 0.001 mol to 50 mol with respect to 1 mol of the total amount of the compound represented by the formula (M-1) and the compound represented by the formula (M-2).
- the amount is preferably 0.005 mol to 10 mol, more preferably 0.01 mol to 1 mol.
- the phase transfer catalyst may be used alone or in combination of two or more.
- the reaction temperature of each component is usually ⁇ 100 ° C. to 200 ° C., preferably 0 ° C. to 150 ° C., more preferably 50 ° C. to 100 ° C.
- the reaction time is usually 1 hour to 96 hours, preferably 2 hours to 48 hours.
- the reaction pressure is usually atmospheric pressure.
- stirring power of the mixing is usually 0.001kW / m 3 ⁇ 10kW / m 3, preferably 0.01kW / m 3 ⁇ 2kW / m 3.
- the order of mixing is not limited.
- the oxygen concentration during the reaction is preferably 0.5% or less, more preferably 0.2% or less, and even more preferably 0.05% or less.
- the halogen content of the polymer compound can be sufficiently reduced, when the molecular weight of the compound obtained in the first step is measured every 30 minutes from the start of the reaction, It is preferable to end when the variation in molecular weight becomes 40% or less compared to the obtained molecular weight, more preferably when it reaches 20% or less, more preferably 5% or less. It is further preferable that the process is terminated when the time has elapsed.
- the second step is a step of obtaining a polymer compound by reacting the reactant and the compound represented by formula (M-3) in the presence of a second palladium compound different from the first palladium compound. .
- the reaction conditions are the same as those described in the first step.
- the second step is preferably performed in the presence of the first palladium used in the first step.
- the obtained polymer compound (crude product) and water are mixed and separated, the resulting polymer compound (crude product) and a lower alcohol such as methanol are mixed, It is preferable to perform a drying step after removing the deposited precipitate by filtration.
- the polymer compound thus obtained is preferably further purified by reprecipitation, continuous extraction with a Soxhlet extractor, column chromatography, adsorption treatment such as body feed, and the like.
- the example and preferable range of a 2nd palladium compound are the same as the example and preferable range of a 1st palladium compound except the point mentioned later.
- Examples of the ligand of the second palladium compound include a dialkylarylphosphine type monodentate ligand, an alkyldiarylphosphine type monodentate ligand, a trialkylphosphine type monodentate ligand, a dialkylheteroarylphosphine type monodentate ligand, a carbene.
- Ligands are preferred, and dialkylarylphosphine type monodentate ligands, trialkylphosphine type monodentate ligands, and dialkylheteroarylphosphine type monodentate ligands are more preferred, and are represented by formulas (14) to (17).
- a ligand is further preferred, and a ligand represented by the formula (14) is particularly preferred.
- R 13 represents an alkyl group which may have a substituent.
- R 14 represents a hydrogen atom, an alkyl group, an alkoxy group, an amino group, a substituted amino group, or a formula: —SO 3 Na
- These groups may have a substituent, and a plurality of R 13 and R 14 may be the same or different from each other.
- Examples of the compound represented by the formula (14) include 2-dicyclohexylphosphino-2 ′, 6′-diisopropoxybiphenyl, 2-dicyclohexylphosphino-2 ′-(N, N-dimethylamino) biphenyl, 2- (dicyclohexylphosphino) -3,6-dimethoxy-2 ′, 4 ′, 6′-triisopropyl-1,1′-biphenyl, 2-dicyclohexylphosphino-2 ′, 6′-dimethoxybiphenyl, 2- Examples include dicyclohexylphosphino-2 ′, 4 ′, 6′-triisopropylbiphenyl, (2-biphenyl) dicyclohexylphosphine, (2-biphenyl) di-tert-butylphosphine, and 2-dicyclohexylphosphino-2′-methylbipheny
- R 15 is the .R 16 representing an alkyl group which may have a substituent, a hydrogen atom or an alkyl group which may have a substituent.
- R 15 there are a plurality of And R 16 may be the same or different.
- Examples of the compound represented by the formula (15) include di-tert-butyl (2-butenyl) phosphine and di-tert-butyl (3-methyl-2-butenyl) phosphine, and di-tert-butyl (2-Butenyl) phosphine is preferred.
- R 17 represents an alkyl group which may have a substituent.
- R 18 represents a hydrogen atom, an alkyl group, an alkoxy group or an aryloxy group, and these groups have a substituent.
- a plurality of R 17 and R 18 may be the same or different.
- Examples of the compound represented by the formula (16) include (4-dimethylaminophenyl) di-tert-butylphosphine, (4-dimethylaminophenyl) dicyclohexylphosphine, and (4-dimethylaminophenyl) dicyclopentylphosphine. (4-dimethylaminophenyl) di-tert-butylphosphine is preferred.
- R 19 represents an alkyl group which may have a substituent.
- R 20 represents a hydrogen atom, an alkyl group, an alkoxy group, an aryloxy group, or a monovalent heterocyclic group; These groups may have a substituent, and a plurality of R 19 and R 20 may be the same or different.
- Examples of the compound represented by the formula (17) include 2-di-tert-butylphosphino-1-phenyl-1H-pyrrole, 2-dicyclohexylphosphino-1-phenyl-1H-pyrrole, 2-diethylphosphine And fino-1-phenyl-1H-pyrrole, 2-dibutylphosphino-1-phenyl-1H-pyrrole, 2-dicyclopentylphosphino-1-phenyl-1H-pyrrole, and 2-di-tert-butylphosphine. Phino-1-phenyl-1H-pyrrole and 2-dicyclohexylphosphino-1-phenyl-1H-pyrrole are preferred.
- Examples of the second palladium compound include chloro (2-dicyclohexylphosphino-2 ′, 6′-diisopropoxy-1,1′-biphenyl) [2- (2-aminoethyl) phenyl] palladium, chloro ( 2-dicyclohexylphosphino-2 ′, 6′-dimethoxybiphenyl) [2- (2-aminoethyl) phenyl] palladium, chloro (2-dicyclohexylphosphino-2 ′, 4 ′, 6′-triisopropyl-1, 1′-biphenyl) [2- (2-aminoethyl) phenyl] palladium, chloro (2-dicyclohexylphosphino-1,1′-biphenyl) [2- (2′-amino-1,1′-biphenyl)] Palladium, chloro (2-dicyclohexylphosphino-2 ′
- the second palladium compound may be obtained commercially or synthesized by a palladium exchange reaction with a palladium precursor such as Pd (OAc) 2 , Pd (dba) 2 , Pd 2 (dba) 3.
- a palladium precursor and a compound serving as a ligand may be mixed and synthesized in the system.
- the second palladium compound may be added simultaneously with the compound represented by the formula (M-3) or may be added separately from the compound represented by the formula (M-3). It is preferably added separately from the compound represented by
- the amount of the second palladium compound used is usually 0.00001 mol to 3 mol with respect to 1 mol of the total amount of the compound represented by the formula (M-1) and the compound represented by the formula (M-2). Since the halogen content in the polymer compound can be further reduced, it is preferably 0.0001 mol to 3 mol, more preferably 0.0001 mol to 3 mol, and still more preferably 0.001 mol to 3 mol. is there.
- the second palladium compound may be used alone or in combination of two or more.
- the monovalent heterocyclic group represented by Ar 3 is preferably a thienyl group, a pyrrolyl group, a furyl group, a pyridyl group, a piperidyl group, a quinolyl group, an isoquinolyl group, a pyrimidinyl group, or a triazinyl group.
- the group represented by Z 5 is preferably a boronic acid residue or a boronic acid pinacol ester residue.
- Examples of the compound represented by the formula (M-3) include phenylboronic acid and phenylboronic acid pinacol ester, and phenylboronic acid is preferable.
- the compound represented by the formula (M-3) can be produced according to a commercially available product or a known method.
- the amount of the compound represented by the formula (M-3) is used with respect to 1 mol of the total amount of the compound represented by the formula (M-1) and the compound represented by the formula (M-2).
- the amount is 0.01 mol to 20 mol, preferably 0.05 mol to 15 mol, more preferably 0.1 mol to 10 mol.
- the compounds represented by the formula (M-3) may be used alone or in combination of two or more.
- the polymer compound obtained by the production method of the present embodiment includes a structural unit represented by the formula (1), a structural unit represented by the formula (2), and a structure represented by the formula (3). It is a high molecular compound which has these.
- polymer compound examples include polymer compounds EP-1 to EP-4 shown in Table 1.
- the “other” structural unit means a structural unit other than the structural unit represented by the formula (1) and the structural unit represented by the formula (2).
- the polymer compound preferably has a weight average molecular weight (Mw) in terms of polystyrene of 1 ⁇ 10 4 to 1 ⁇ 10 6 .
- the polymer compound may be any of a block copolymer, a random copolymer, an alternating copolymer, and a graft copolymer, or may be in another mode.
- the content of the hydroxyl group contained in the polymer compound is the total amount of the structural units having a hydroxyl group relative to the total amount of the structural units contained in the polymer compound.
- the content of the hydroxyl group contained in the polymer compound can be measured, for example, by proton NMR.
- the content of halogen atoms contained in the polymer compound is the total amount of structural units having halogen atoms relative to the total amount of structural units contained in the polymer compound.
- the content of halogen atoms contained in the polymer compound can be measured, for example, by elemental analysis.
- the Mw of the reaction product after 2.3 hours was 2.3 ⁇ 10 5
- 1.5 hours had passed Since the Mw of the reaction product was 2.3 ⁇ 10 5 and the molecular weight variation was 1% or less, it was judged that the first step was completed.
- the obtained toluene solution was washed twice in order of 10% by weight hydrochloric acid (180 ml), 3% by weight ammonia water (180 ml) and ion-exchanged water (180 ml), and passed through an alumina column and a silica gel column. Purified. The obtained toluene solution was added dropwise to methanol (2.7 L) and stirred for 1 hour, and then the obtained solid was collected by filtration and dried to obtain polymer compound P-1.
- the polymer compound P-1 had Mn of 7.9 ⁇ 10 4 and Mw of 2.2 ⁇ 10 5 .
- the oxygen concentration was measured using a pack master (manufactured by Iijima Electronics Co., Ltd., model number: RO-103).
- Example 2 In Example 1, dichlorobis [tris (2-methoxyphenyl) phosphine] palladium (2.97 mg) was used as the first palladium compound instead of dichlorobis [dicyclopentyl (2-methoxyphenyl) phosphine] palladium (2.45 mg). A polymer compound P-2 was obtained in the same manner as in Example 1 except for using.
- the Mw of the reactant when 1.5 hours passed was 1.5 ⁇ 10 5
- the Mw of the reaction product was 1.5 ⁇ 10 5
- the molecular weight variation was 1% or less, it was judged that the first step was completed.
- the polymer compound P-2 had Mn of 5.1 ⁇ 10 4 and Mw of 1.5 ⁇ 10 5 . From the raw materials used, the polymer compound P-2 is considered to be a copolymer having the same structural unit and molar ratio as the polymer compound P-1.
- reaction solution was cooled to room temperature, diluted with toluene (350 ml), and washed with ion-exchanged water (120 ml).
- the obtained toluene solution was washed twice in order of 10% by weight hydrochloric acid (120 ml), 3% by weight ammonia water (120 ml) and ion-exchanged water (120 ml), and passed through an alumina column and a silica gel column. Purified.
- the obtained toluene solution was added dropwise to methanol (3.0 L) and stirred for 1 hour, and then the resulting solid was collected by filtration and dried to obtain polymer compound P-3.
- Example 4 In Example 3, instead of dichlorobis [tris (2-methoxyphenyl) phosphine] palladium (1.46 mg) as the first palladium compound, Pd (OAc) 2 ) (1.23 mg) and tri-o-tolylphosphine ( 6.70 mg) as the second palladium compound, instead of chloro (2-dicyclohexylphosphino-2 ′, 6′-dimethoxybiphenyl) [2- (2-aminoethylphenyl)] palladium (20.0 mg), A polymer compound P-4 was obtained in the same manner as in Example 3 except that dichlorobis [di-tert-butyl (p-dimethylaminophenyl) phosphino] palladium (19.5 mg) was used.
- the Mw of the reactant at the time when 3 hours passed was 6.0 ⁇ 10 4
- the Mw of the reactant at the time when 3.5 hours passed was 6.0 ⁇ 10 4
- the Mw of the reaction product was 6.1 ⁇ 10 4 and the molecular weight fluctuation was 2% or less
- the polymer compound P-4 had Mn of 2.1 ⁇ 10 4 and Mw of 6.0 ⁇ 10 4 . From the raw materials used, the polymer compound P-4 is considered to be a copolymer having the same structural unit and molar ratio as the polymer compound P-3.
- Example 5 [First step] After the inside of the reaction vessel was filled with an inert gas atmosphere, Compound 1-4 (7.09 mmol), Compound 1-7 (5.81 mmol), Compound 1-8 (0.73 mmol), Compound 1-9 (0.73 mmol), dichlorobis [ Tris (2-methoxyphenyl) phosphine] palladium (0.64 mg), tetrabutylammonium bromide (236 mg) and toluene (50 ml) were added. Thereafter, the oxygen concentration in the reaction vessel was adjusted to less than 0.01% and heated to 80 ° C.
- the obtained toluene solution was washed twice in order of 10% by weight hydrochloric acid (120 ml), 3% by weight ammonia water (120 ml) and ion-exchanged water (120 ml), and passed through an alumina column and a silica gel column. Purified.
- the obtained toluene solution was added dropwise to methanol (3.0 L) and stirred for 1 hour, and then the obtained solid was collected by filtration and dried to obtain polymer compound P-5.
- the polymer compound P-5 had Mn of 2.5 ⁇ 10 4 and Mw of 9.7 ⁇ 10 4 .
- Example 1 ⁇ Comparative Example 1> In Example 1, dichlorobis [tris (2-methoxyphenyl) phosphine] palladium (2.97 mg) was used as the first palladium compound instead of dichlorobis [dicyclopentyl (2-methoxyphenyl) phosphine] palladium (2.45 mg).
- the Mw of the reactant when 1.5 hours passed was 1.5 ⁇ 10 5
- the Mw of the reaction product was 1.5 ⁇ 10 5
- the molecular weight variation was 1% or less, it was judged that the first step was completed.
- the polymer compound CP-1 had Mn of 5.0 ⁇ 10 4 and Mw of 1.4 ⁇ 10 5 . From the raw materials used, polymer compound CP-1 was considered to be a copolymer having the same structural unit and molar ratio as polymer compound P-1.
- Example 2 instead of dichlorobis [dicyclopentyl (2-methoxyphenyl) phosphine] palladium (2.45 mg) as the first palladium compound, (2-dicyclohexylphosphino-2′-4′-6′-tri Polymer as in Example 1 except that isopropyl-1,1′-biphenyl) [(2- (2′-amino-1,1′-biphenyl)] palladium methanesulfonate (2.85 mg) was used. Compound CP-2 was obtained.
- the Mw of the reactant when 1 hour passed was 1.6 ⁇ 10 5
- the Mw of the reaction product was 1.6 ⁇ 10 5
- the molecular weight variation was 1% or less, it was judged that the first step was completed.
- the polymer compound CP-2 had Mn of 5.6 ⁇ 10 4 and Mw of 1.6 ⁇ 10 5 . From the raw materials used, the polymer compound CP-2 is considered to be a copolymer having the same structural unit and molar ratio as the polymer compound P-1.
- the amount of hydroxyl groups was measured by directly measuring the protons of the hydroxyl groups.
- the structure having a hydroxyl group generated during the synthesis of each polymer compound is identified as the structure represented by the following formula from the spectrum of proton NMR and the structure of the raw material used for the synthesis of each polymer compound.
- the content was quantified. Table 3 shows the measurement results.
- the amount of hydroxyl group was measured by directly measuring the proton of the hydroxyl group.
- the structure having a hydroxyl group generated during the synthesis of each polymer compound is identified as the structure represented by the following formula from the spectrum of proton NMR and the structure of the raw material used for the synthesis of each polymer compound.
- the content was quantified. Table 3 shows the measurement results.
- the production method of the present invention can efficiently produce a polymer compound in which the content of halogen atoms and the content of hydroxyl groups are sufficiently reduced.
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Abstract
Description
[1]
溶媒、塩基及び第1のパラジウム化合物の存在下、式(M-1)で表される化合物及び式(M-2)で表される化合物を反応させて反応物を得る第1の工程と、
第1のパラジウム化合物とは異なる第2のパラジウム化合物の存在下、前記反応物及び式(M-3)で表される化合物を反応させて高分子化合物を得る第2の工程とを含む、
式(1)で表される構成単位、式(2)で表される構成単位、及び、式(3)で表される構造を有する、高分子化合物の製造方法。
Ar1及びAr2は、それぞれ独立に、アリーレン基、2価の複素環基、又は、2価の芳香族アミン残基を表し、これらの基は置換基を有していてもよい。
Z1、Z2、Z3及びZ4は、それぞれ独立に、置換基A群及び置換基B群から選ばれる基を表す。但し、Z1、Z2、Z3及びZ4のうち、少なくとも一種は置換基A群から選ばれる基であり、少なくとも一種は置換基B群から選ばれる基である。]
<置換基A群>
塩素原子、臭素原子、ヨウ素原子、及び、-O-S(=O)2RC1(式中、RC1は、アルキル基又はアリール基を表し、これらの基は置換基を有していてもよい。)で表される基。
<置換基B群>
-B(ORC2)2(式中、RC2は、水素原子、アルキル基又はアリール基を表し、これらの基は置換基を有していてもよい。複数存在するRC2は、同一でも異なっていてもよく、互いに連結して、それぞれが結合する酸素原子と共に環を形成していてもよい。)で表される基。
[2]
第1の工程が、第1の工程で得られる反応物の分子量を反応開始から30分ごとに測定した場合に、直前の測定で得られた反応物の分子量に比べて、30分前の測定で得られた反応物の分子量の変動が40%以下の状態となった時点で終了する、[1]に記載の高分子化合物の製造方法。
[3]
前記第1のパラジウム化合物及び第2のパラジウム化合物が、それぞれ独立に、パラジウム(0)錯体又はパラジウム(II)錯体である、[1]又は[2]に記載の高分子化合物の製造方法。
[4]
前記第2のパラジウム化合物がホスフィン配位子を有する、[1]~[3]のいずれかに記載の高分子化合物の製造方法。
[5]
前記2価の芳香族アミン残基が、式(X)で表される基である、[1]~[4]のいずれかに記載の高分子化合物の製造方法。
aX1及びaX2は、それぞれ独立に、0~2の整数を表す。
ArX1、ArX2、ArX3及びArX4は、それぞれ独立に、アリーレン基、2価の複素環基、又は、アリーレン基と2価の複素環基とが直接結合した2価の基を表し、これらの基は置換基を有していてもよい。ArX2及びArX4が複数存在する場合、それらは同一でも異なっていてもよい。
RX1、RX2及びRX3は、それぞれ独立に、水素原子、アルキル基、シクロアルキル基、アリール基、1価の複素環基又は、金属錯体含有基を表し、これらの基は置換基を有していてもよい。RX2及びRX3が複数存在する場合、それらは同一でも異なっていてもよい。]
[6]
第2の工程が、第1の工程で用いられた第1のパラジウムの存在下で行われる、[1]~[5]のいずれかに記載の高分子化合物の製造方法。
以下、本明細書で共通して用いられる用語は、特記しない限り、以下の意味である。
Meはメチル基、Etはエチル基、i-Prはイソプロピル基、n-Buはn-ブチル基、t-Buはtert-ブチル基を表す。
置換アミノ基としては、例えば、ジアルキルアミノ基及びジアリールアミノ基が挙げられる。
アルケニル基は、置換基を有していてもよく、例えば、ビニル基、1-プロペニル基、2-プロペニル基、2-ブテニル基、3-ブテニル基、3-ペンテニル基、4-ペンテニル基、1-ヘキセニル基、5-ヘキセニル基、7-オクテニル基、及び、これらの基が置換基を有する基が挙げられる。
アルキニル基は、置換基を有していてもよく、例えば、エチニル基、1-プロピニル基、2-プロピニル基、2-ブチニル基、3-ブチニル基、3-ペンチニル基、4-ペンチニル基、1-ヘキシニル基、5-ヘキシニル基、及び、これらの基が置換基を有する基が挙げられる。
次に、本実施形態の高分子化合物の製造方法について説明する。
第1の工程は、溶媒、塩基及び第1のパラジウム化合物の存在下、式(M-1)で表される化合物及び式(M-2)で表される化合物を反応させて反応物を得る工程である。
第1のパラジウム化合物は、通常、パラジウム触媒である。前記パラジウム触媒は、均一系遷移金属錯体触媒であっても不均一系遷移金属錯体触媒であってもよく、好ましくは、均一系遷移金属錯体触媒である。
Ar1及びAr2で表されるアリーレン基としては、式(A-1)、式(A-2)、式(A-6)、式(A-7)、式(A-9)、式(A-10)、式(A-11)、式(A-13)又は式(A-19)で表される基が好ましく式(A-1)又は式(A-9)で表される基がより好ましい。
環Aは、好ましくは複素芳香族環であり、より好ましくは炭素原子数2~9の複素芳香族環である。
環Bは、好ましくは芳香族炭化水素環であり、より好ましくは炭素原子数6~12の芳香族炭化水素環である。
金属錯体含有基は、更に置換基を有していてもよい。
溶媒としては、例えば、水及び有機溶媒が挙げられ、水と有機溶媒を併用することもできる。
塩基としては、無機塩基及び有機塩基のいずれでもよく、好ましくは有機塩基である。
相間移動触媒は、反応性を向上させる目的から、第1の工程若しくは第2の工程で添加してもよく、又は、第1の工程及び第2の工程の両方で添加してもよい。
第1の工程において、各成分の反応温度は、通常、-100℃~200℃であり、好ましくは0℃~150℃であり、より好ましくは50℃~100℃である。
第2の工程は、第1のパラジウム化合物とは異なる第2のパラジウム化合物の存在下、前記反応物及び式(M-3)で表される化合物を反応させて高分子化合物を得る工程である。反応条件は、第1の工程で説明した内容と同様である。第2の工程は、第1の工程で用いられた第1のパラジウムの存在下で行われることが好ましい。
第2のパラジウム化合物の例及び好ましい範囲は、後述した点以外は、第1のパラジウム化合物の例及び好ましい範囲と同様である。
Ar3で表されるアリール基としては、好ましくは、フェニル基、1-ナフチル基、2-ナフチル基、1-アントラセニル基、2-アントラセニル基、9-アントラセニル基、1-ピレニル基、2-ピレニル基、4-ピレニル基、2-フルオレニル基、3-フルオレニル基、4-フルオレニル基、2-フェニルフェニル基、3-フェニルフェニル基、4-フェニルフェニル基である。
本発明の製造方法において、第1の工程の前、第1の工程と第2の工程の間、及び、第2の工程の後に、その他の工程を有していてもよい。
本実施形態の製造方法で得られる高分子化合物は、前記式(1)で表される構成単位、前記式(2)で表される構成単位、及び、前記式(3)で表される構造を有する、高分子化合物である。
測定装置:HLC-8220GPC(東ソー株式会社製)
カラム:PLgel 10μm MIXED-B(東ソー株式会社製)
カラム温度:40℃
移動相:テトラヒドロフラン
流量:1.5mL/分
検出波長:228nm
[第1の工程]
反応容器内を不活性ガス雰囲気とした後、化合物1-1(6.52mmol)、化合物1-2(6.05mmol)、化合物1-3(0.67mmol)、ジクロロビス[ジシクロペンチル(2-メトキシフェニル)ホスフィン]パラジウム(2.45mg)、臭化テトラブチルアンモニウム(217mg)及びトルエン(125ml)を加えた。その後、反応容器内の酸素濃度を0.01%未満に調整し、80℃に加熱した。その後、そこへ、15重量%水酸化テトラメチルアンモニウム水溶液(66.7g)を加え、2時間撹拌した。第1の工程において、反応物の分子量を反応開始から30分ごとに測定したところ、1時間経過した時点の反応物のMwが2.3×105であったのに対して、1.5時間経過した時点の反応物のMwが2.3×105であり、その分子量変動は1%以下であったので、第1の工程が終了したと判断した。
[第2の工程]
その後、そこへ、フェニルボロン酸(411mg)及び(2-ジシクロヘキシルホスフィノ-2’-4’-6’-トリイソプロピル-1、1’-ビフェニル)[(2-(2’-アミノ-1、1’-ビフェニル)]パラジウムメタンスルホネート(28.5mg)を加え、さらに6時間撹拌した。
[その他の工程]
その後、室温まで冷却し、反応液をトルエン(550ml)で希釈し、イオン交換水(180ml)で洗浄した。得られたトルエン溶液を、10重量%塩酸(180ml)、3重量%アンモニア水(180ml)、イオン交換水(180ml)の順で、それぞれ2回ずつ洗浄し、アルミナカラム、シリカゲルカラムに通すことにより精製した。
得られたトルエン溶液をメタノール(2.7L)に滴下し、1時間撹拌した後、得られた固体をろ取し乾燥させることで、高分子化合物P-1を得た。
高分子化合物P-1は、Mnが7.9×104であり、Mwが2.2×105であった。
高分子化合物P-1は、仕込み原料より、下記式で表される構成単位が、a:b:c=50:45:5のモル比で共重合した共重合体であると考えられる。なお、酸素濃度は、パックマスター(飯島電子工業株式会社製、型番:RO-103)を用いて測定した。
実施例1において、第1のパラジウム化合物として、ジクロロビス[ジシクロペンチル(2-メトキシフェニル)ホスフィン]パラジウム(2.45mg)に代えて、ジクロロビス[トリス(2-メトキシフェニル)ホスフィン]パラジウム(2.97mg)を用いた以外は、実施例1と同様にして、高分子化合物P-2を得た。
第1の工程において、反応物の分子量を反応開始から30分ごとに測定したところ、1時間経過した時点の反応物のMwが1.5×105であったのに対して、1.5時間経過した時点の反応物のMwが1.5×105であり、その分子量変動は1%以下であったので、第1の工程が終了したと判断した。
高分子化合物P-2は、Mnが5.1×104であり、Mwが1.5×105であった。
高分子化合物P-2は、仕込み原料より、高分子化合物P-1と同様の構成単位及びモル比の共重合体であると考えられる。
[第1の工程]
反応容器内を不活性ガス雰囲気とした後、化合物1-4(5.30mmol)、化合物1-5(4.40mmol)、化合物1-6(1.10mmol)、ジクロロビス[トリス(2-メトキシフェニル)ホスフィン]パラジウム(1.46mg)、臭化テトラブチルアンモニウム(179mg)及びトルエン(50ml)を加えた。その後、反応容器内の酸素濃度を0.01%未満に調整し、80℃に加熱した。その後、そこへ、15重量%水酸化テトラメチルアンモニウム水溶液(50.0g)を加え、4時間撹拌した。第1の工程において、反応物の分子量を反応開始から30分ごとに測定したところ、3.5時間経過した時点の反応物のMwが9.4×104であったのに対して、4.0時間経過した時点の反応物のMwが9.6×104であり、その分子量変動は3%以下であったので、第1の工程が終了したと判断した。
[第2の工程]
その後、そこへ、フェニルボロン酸(268mg)及びクロロ(2-ジシクロヘキシルホスフィノ-2',6'-ジメトキシビフェニル)[2-(2-アミノエチルフェニル)]パラジウム(20.0mg)を加え、さらに6時間撹拌した。
[その他の工程]
その後、室温まで冷却し、反応液をトルエン(350ml)で希釈し、イオン交換水(120ml)で洗浄した。得られたトルエン溶液を、10重量%塩酸(120ml)、3重量%アンモニア水(120ml)、イオン交換水(120ml)の順で、それぞれ2回ずつ洗浄し、アルミナカラム、シリカゲルカラムを通すことにより精製した。
得られたトルエン溶液をメタノール(3.0L)に滴下し、1時間撹拌した後、得られた固体をろ取し乾燥させることで、高分子化合物P-3を得た。
高分子化合物P-3は、Mnが3.0×104であり、Mwが9.8×104であった。
高分子化合物P-3は、仕込み原料より、下記式で表される構成単位が、d:e:f=50:40:10のモル比で共重合した共重合体であると考えられる。なお、酸素濃度は、パックマスター(飯島電子工業株式会社製、型番:RO-103)を用いて測定した。
実施例3において、第1のパラジウム化合物として、ジクロロビス[トリス(2-メトキシフェニル)ホスフィン]パラジウム(1.46mg)に代えて、Pd(OAc)2)(1.23mg)及びトリ-o-トリルホスフィン(6.70mg)を用い、第2のパラジウム化合物として、クロロ(2-ジシクロヘキシルホスフィノ-2',6'-ジメトキシビフェニル)[2-(2-アミノエチルフェニル)]パラジウム(20.0mg)に代えて、ジクロロビス[ジ-tert-ブチル(p-ジメチルアミノフェニル)ホスフィノ]パラジウム(19.5mg)を使用した以外は、実施例3と同様にして、高分子化合物P-4を得た。
第1の工程において、反応物の分子量を反応開始から30分ごとに測定したところ、3時間経過した時点の反応物のMwが6.0×104であったのに対して、3.5時間経過した時点の反応物のMwが6.1×104であり、その分子量変動は2%以下であったので、第1の工程が終了したと判断した。
高分子化合物P-4は、Mnが2.1×104であり、Mwが6.0×104であった。
高分子化合物P-4は、仕込み原料より、高分子化合物P-3と同様の構成単位及びモル比の共重合体であると考えられる。
[第1の工程]
反応容器内を不活性ガス雰囲気とした後、化合物1-4(7.09mmol)、化合物1-7(5.81mmol)、化合物1-8(0.73mmol)、化合物1-9(0.73mmol)、ジクロロビス[トリス(2-メトキシフェニル)ホスフィン]パラジウム(0.64mg)、臭化テトラブチルアンモニウム(236mg)及びトルエン(50ml)を加えた。その後、反応容器内の酸素濃度を0.01%未満に調整し、80℃に加熱した。その後、そこへ、15重量%水酸化テトラメチルアンモニウム水溶液(50.0g)を加え、3時間撹拌した。第1の工程において、反応物の分子量を反応開始から30分ごとに測定したところ、2.5時間経過した時点の反応物のMwが9.6×104であったのに対して、3.0時間経過した時点の反応物のMwが9.6×104であり、その分子量変動は1%以下であったので、第1の工程が終了したと判断した。
[第2の工程]
その後、そこへ、フェニルボロン酸(354mg)及びクロロ(2-ジシクロヘキシルホスフィノ-2',6'-ジメトキシビフェニル)[2-(2-アミノエチルフェニル)]パラジウム(27.6mg)を加え、さらに6時間撹拌した。
[その他の工程]
その後、室温まで冷却し、反応液をトルエン(350ml)で希釈し、イオン交換水(120ml)で洗浄した。得られたトルエン溶液を、10重量%塩酸(120ml)、3重量%アンモニア水(120ml)、イオン交換水(120ml)の順で、それぞれ2回ずつ洗浄し、アルミナカラム、シリカゲルカラムを通すことにより精製した。
得られたトルエン溶液をメタノール(3.0L)に滴下し、1時間撹拌した後、得られた固体をろ取し乾燥させることで、高分子化合物P-5を得た。
高分子化合物P-5は、Mnが2.5×104であり、Mwが9.7×104であった。
高分子化合物P-5は、仕込み原料より、下記式で表される構成単位が、g:h:i:j=50:40:5:5のモル比で共重合した共重合体であると考えられる。なお、酸素濃度は、パックマスター(飯島電子工業株式会社製、型番:RO-103)を用いて測定した。
実施例1において、第1のパラジウム化合物として、ジクロロビス[ジシクロペンチル(2-メトキシフェニル)ホスフィン]パラジウム(2.45mg)に代えて、ジクロロビス[トリス(2-メトキシフェニル)ホスフィン]パラジウム(2.97mg)を用い、かつ、第2のパラジウム化合物として、(2-ジシクロヘキシルホスフィノ-2’-4’-6’-トリイソプロピル-1、1’-ビフェニル)[(2-(2’-アミノ-1、1’-ビフェニル)]パラジウムメタンスルホネート(28.5mg)に代えて、ジクロロビス[トリス(2-メトキシフェニル)ホスフィン]パラジウム(29.7mg)を用いた以外は、実施例1と同様にして、高分子化合物CP-1を得た。
第1の工程において、反応物の分子量を反応開始から30分ごとに測定したところ、1時間経過した時点の反応物のMwが1.5×105であったのに対して、1.5時間経過した時点の反応物のMwが1.5×105であり、その分子量変動は1%以下であったので、第1の工程が終了したと判断した。
高分子化合物CP-1は、Mnが5.0×104であり、Mwが1.4×105であった。
高分子化合物CP-1は、仕込み原料より、高分子化合物P-1と同様の構成単位及びモル比の共重合体であると考えられる。
実施例1において、第1のパラジウム化合物として、ジクロロビス[ジシクロペンチル(2-メトキシフェニル)ホスフィン]パラジウム(2.45mg)に代えて、(2-ジシクロヘキシルホスフィノ-2’-4’-6’-トリイソプロピル-1、1’-ビフェニル)[(2-(2’-アミノ-1、1’-ビフェニル)]パラジウムメタンスルホネート(2.85mg)を用いた以外は、実施例1と同様にして、高分子化合物CP-2を得た。
第1の工程において、反応物の分子量を反応開始から30分ごとに測定したところ、1時間経過した時点の反応物のMwが1.6×105であったのに対して、1.5時間経過した時点の反応物のMwが1.6×105であり、その分子量変動は1%以下であったので、第1の工程が終了したと判断した。
高分子化合物CP-2は、Mnが5.6×104であり、Mwが1.6×105であった。
高分子化合物CP-2は、仕込み原料より、高分子化合物P-1と同様の構成単位及びモル比の共重合体であると考えられる。
高分子化合物P-1、P-2、CP-1又はCP-2(20mg)を、THF-d8(0.75ml)に溶解させ、プロトンNMRを測定することで、各高分子化合物中の水酸基の量を測定した。なお、NMRの測定には、AV-600(BRUKER製)を用いた。
Claims (6)
- 溶媒、塩基及び第1のパラジウム化合物の存在下、式(M-1)で表される化合物及び式(M-2)で表される化合物を反応させて反応物を得る第1の工程と、
第1のパラジウム化合物とは異なる第2のパラジウム化合物の存在下、前記反応物及び式(M-3)で表される化合物を反応させて高分子化合物を得る第2の工程とを含む、
式(1)で表される構成単位、式(2)で表される構成単位、及び、式(3)で表される構造を有する、高分子化合物の製造方法。
Ar1及びAr2は、それぞれ独立に、アリーレン基、2価の複素環基、又は、2価の芳香族アミン残基を表し、これらの基は置換基を有していてもよい。
Z1、Z2、Z3及びZ4は、それぞれ独立に、置換基A群及び置換基B群から選ばれる基を表す。但し、Z1、Z2、Z3及びZ4のうち、少なくとも一種は置換基A群から選ばれる基であり、少なくとも一種は置換基B群から選ばれる基である。]
<置換基A群>
塩素原子、臭素原子、ヨウ素原子、及び、-O-S(=O)2RC1(式中、RC1は、アルキル基又はアリール基を表し、これらの基は置換基を有していてもよい。)で表される基。
<置換基B群>
-B(ORC2)2(式中、RC2は、水素原子、アルキル基又はアリール基を表し、これらの基は置換基を有していてもよい。複数存在するRC2は、同一でも異なっていてもよく、互いに連結して、それぞれが結合する酸素原子と共に環を形成していてもよい。)で表される基。
- 第1の工程が、第1の工程で得られる反応物の分子量を反応開始から30分ごとに測定した場合に、直前の測定で得られた反応物の分子量に比べて、30分前の測定で得られた反応物の分子量の変動が40%以下の状態となった時点で終了する、請求項1に記載の高分子化合物の製造方法。
- 前記第1のパラジウム化合物及び第2のパラジウム化合物が、それぞれ独立に、パラジウム(0)錯体又はパラジウム(II)錯体である、請求項1又は2に記載の高分子化合物の製造方法。
- 前記第2のパラジウム化合物がホスフィン配位子を有する、請求項1~3のいずれか一項に記載の高分子化合物の製造方法。
- 前記2価の芳香族アミン残基が、式(X)で表される基である、請求項1~4のいずれか一項に記載の高分子化合物の製造方法。
aX1及びaX2は、それぞれ独立に、0~2の整数を表す。
ArX1、ArX2、ArX3及びArX4は、それぞれ独立に、アリーレン基、2価の複素環基、又は、アリーレン基と2価の複素環基とが直接結合した2価の基を表し、これらの基は置換基を有していてもよい。ArX2及びArX4が複数存在する場合、それらは同一でも異なっていてもよい。
RX1、RX2及びRX3は、それぞれ独立に、水素原子、アルキル基、シクロアルキル基、アリール基、1価の複素環基、又は金属錯体含有基を表し、これらの基は置換基を有していてもよい。RX2及びRX3が複数存在する場合、それらは同一でも異なっていてもよい。] - 第2の工程が、第1の工程で用いられた第1のパラジウムの存在下で行われる、請求項1~5のいずれか一項に記載の高分子化合物の製造方法。
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