WO2012086670A1 - 組成物及びブロック型共重合体 - Google Patents
組成物及びブロック型共重合体 Download PDFInfo
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- WO2012086670A1 WO2012086670A1 PCT/JP2011/079596 JP2011079596W WO2012086670A1 WO 2012086670 A1 WO2012086670 A1 WO 2012086670A1 JP 2011079596 W JP2011079596 W JP 2011079596W WO 2012086670 A1 WO2012086670 A1 WO 2012086670A1
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- 238000004895 liquid chromatography mass spectrometry Methods 0.000 description 17
- KZPYGQFFRCFCPP-UHFFFAOYSA-N 1,1'-bis(diphenylphosphino)ferrocene Chemical compound [Fe+2].C1=CC=C[C-]1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=C[C-]1P(C=1C=CC=CC=1)C1=CC=CC=C1 KZPYGQFFRCFCPP-UHFFFAOYSA-N 0.000 description 16
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- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 9
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- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 9
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 8
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- IPWKHHSGDUIRAH-UHFFFAOYSA-N bis(pinacolato)diboron Chemical compound O1C(C)(C)C(C)(C)OB1B1OC(C)(C)C(C)(C)O1 IPWKHHSGDUIRAH-UHFFFAOYSA-N 0.000 description 7
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 7
- 229910052794 bromium Inorganic materials 0.000 description 7
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- CYPYTURSJDMMMP-WVCUSYJESA-N (1e,4e)-1,5-diphenylpenta-1,4-dien-3-one;palladium Chemical compound [Pd].[Pd].C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1 CYPYTURSJDMMMP-WVCUSYJESA-N 0.000 description 4
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- NXQGGXCHGDYOHB-UHFFFAOYSA-L cyclopenta-1,4-dien-1-yl(diphenyl)phosphane;dichloropalladium;iron(2+) Chemical compound [Fe+2].Cl[Pd]Cl.[CH-]1C=CC(P(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1.[CH-]1C=CC(P(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 NXQGGXCHGDYOHB-UHFFFAOYSA-L 0.000 description 4
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- HZUVRCRPECDFAT-UHFFFAOYSA-N 1-bromo-3-hexylbenzene Chemical compound CCCCCCC1=CC=CC(Br)=C1 HZUVRCRPECDFAT-UHFFFAOYSA-N 0.000 description 3
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- 125000006539 C12 alkyl 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])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 3
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
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- WYURNTSHIVDZCO-SVYQBANQSA-N oxolane-d8 Chemical compound [2H]C1([2H])OC([2H])([2H])C([2H])([2H])C1([2H])[2H] WYURNTSHIVDZCO-SVYQBANQSA-N 0.000 description 3
- YJVFFLUZDVXJQI-UHFFFAOYSA-L palladium(ii) acetate Chemical compound [Pd+2].CC([O-])=O.CC([O-])=O YJVFFLUZDVXJQI-UHFFFAOYSA-L 0.000 description 3
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- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000005956 isoquinolyl group Chemical group 0.000 description 1
- 150000004658 ketimines Chemical group 0.000 description 1
- 239000005453 ketone based solvent Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000990 laser dye Substances 0.000 description 1
- QDLAGTHXVHQKRE-UHFFFAOYSA-N lichenxanthone Natural products COC1=CC(O)=C2C(=O)C3=C(C)C=C(OC)C=C3OC2=C1 QDLAGTHXVHQKRE-UHFFFAOYSA-N 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 125000005647 linker group Chemical group 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- AFVFQIVMOAPDHO-UHFFFAOYSA-M methanesulfonate group Chemical group CS(=O)(=O)[O-] AFVFQIVMOAPDHO-UHFFFAOYSA-M 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- SKTCDJAMAYNROS-UHFFFAOYSA-N methoxycyclopentane Chemical class COC1CCCC1 SKTCDJAMAYNROS-UHFFFAOYSA-N 0.000 description 1
- 229940095102 methyl benzoate Drugs 0.000 description 1
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 description 1
- 125000000250 methylamino group Chemical group [H]N(*)C([H])([H])[H] 0.000 description 1
- 125000002816 methylsulfanyl group Chemical group [H]C([H])([H])S[*] 0.000 description 1
- XKBGEWXEAPTVCK-UHFFFAOYSA-M methyltrioctylammonium chloride Chemical compound [Cl-].CCCCCCCC[N+](C)(CCCCCCCC)CCCCCCCC XKBGEWXEAPTVCK-UHFFFAOYSA-M 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- DCZNSJVFOQPSRV-UHFFFAOYSA-N n,n-diphenyl-4-[4-(n-phenylanilino)phenyl]aniline Chemical class C1=CC=CC=C1N(C=1C=CC(=CC=1)C=1C=CC(=CC=1)N(C=1C=CC=CC=1)C=1C=CC=CC=1)C1=CC=CC=C1 DCZNSJVFOQPSRV-UHFFFAOYSA-N 0.000 description 1
- SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 description 1
- ZHDORMMHAKXTPT-UHFFFAOYSA-N n-benzoylbenzamide Chemical group C=1C=CC=CC=1C(=O)NC(=O)C1=CC=CC=C1 ZHDORMMHAKXTPT-UHFFFAOYSA-N 0.000 description 1
- AIDQCFHFXWPAFG-UHFFFAOYSA-N n-formylformamide Chemical group O=CNC=O AIDQCFHFXWPAFG-UHFFFAOYSA-N 0.000 description 1
- 150000002791 naphthoquinones Chemical class 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 1
- KFBKRCXOTTUAFS-UHFFFAOYSA-N nickel;triphenylphosphane Chemical compound [Ni].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 KFBKRCXOTTUAFS-UHFFFAOYSA-N 0.000 description 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000006611 nonyloxy group Chemical group 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000005447 octyloxy 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])C([H])([H])O* 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 150000004866 oxadiazoles Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 150000002940 palladium Chemical class 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 125000004817 pentamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 125000004115 pentoxy group Chemical group [*]OC([H])([H])C([H])([H])C([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 125000004894 pentylamino group Chemical group C(CCCC)N* 0.000 description 1
- 125000005003 perfluorobutyl group Chemical group FC(F)(F)C(F)(F)C(F)(F)C(F)(F)* 0.000 description 1
- 125000005005 perfluorohexyl group Chemical group FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)* 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
- 230000035699 permeability Effects 0.000 description 1
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 1
- CSHWQDPOILHKBI-UHFFFAOYSA-N peryrene Natural products C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 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
- 125000003356 phenylsulfanyl group Chemical group [*]SC1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
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- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical class N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
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- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 description 1
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- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
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- 125000000168 pyrrolyl group Chemical group 0.000 description 1
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- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
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- 238000000926 separation method Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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- 229910052708 sodium Inorganic materials 0.000 description 1
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- 229910001415 sodium ion Inorganic materials 0.000 description 1
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- 235000011152 sodium sulphate Nutrition 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical class C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical group [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 1
- 125000004213 tert-butoxy group Chemical group [H]C([H])([H])C(O*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000006318 tert-butyl amino group Chemical group [H]N(*)C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000001981 tert-butyldimethylsilyl group Chemical group [H]C([H])([H])[Si]([H])(C([H])([H])[H])[*]C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000000037 tert-butyldiphenylsilyl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1[Si]([H])([*]C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- ZGNPLWZYVAFUNZ-UHFFFAOYSA-N tert-butylphosphane Chemical compound CC(C)(C)P ZGNPLWZYVAFUNZ-UHFFFAOYSA-N 0.000 description 1
- DZLFLBLQUQXARW-UHFFFAOYSA-N tetrabutylammonium Chemical compound CCCC[N+](CCCC)(CCCC)CCCC DZLFLBLQUQXARW-UHFFFAOYSA-N 0.000 description 1
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 description 1
- VDZOOKBUILJEDG-UHFFFAOYSA-M tetrabutylammonium hydroxide Chemical compound [OH-].CCCC[N+](CCCC)(CCCC)CCCC VDZOOKBUILJEDG-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
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical group CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 125000004306 triazinyl group Chemical group 0.000 description 1
- PIILXFBHQILWPS-UHFFFAOYSA-N tributyltin Chemical group CCCC[Sn](CCCC)CCCC PIILXFBHQILWPS-UHFFFAOYSA-N 0.000 description 1
- WLPUWLXVBWGYMZ-UHFFFAOYSA-N tricyclohexylphosphine Chemical compound C1CCCCC1P(C1CCCCC1)C1CCCCC1 WLPUWLXVBWGYMZ-UHFFFAOYSA-N 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-M triflate Chemical compound [O-]S(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-M 0.000 description 1
- 125000002827 triflate group Chemical group FC(S(=O)(=O)O*)(F)F 0.000 description 1
- 125000005034 trifluormethylthio group Chemical group FC(S*)(F)F 0.000 description 1
- 125000004044 trifluoroacetyl group Chemical group FC(C(=O)*)(F)F 0.000 description 1
- 125000000876 trifluoromethoxy group Chemical group FC(F)(F)O* 0.000 description 1
- 125000000025 triisopropylsilyl group Chemical group C(C)(C)[Si](C(C)C)(C(C)C)* 0.000 description 1
- 125000003258 trimethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 229910000404 tripotassium phosphate Inorganic materials 0.000 description 1
- 235000019798 tripotassium phosphate Nutrition 0.000 description 1
- BWHDROKFUHTORW-UHFFFAOYSA-N tritert-butylphosphane Chemical compound CC(C)(C)P(C(C)(C)C)C(C)(C)C BWHDROKFUHTORW-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- 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
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/32—Stacked devices having two or more layers, each emitting at different wavelengths
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/10—Organic polymers or oligomers
- H10K85/111—Organic polymers or oligomers comprising aromatic, heteroaromatic, or aryl chains, e.g. polyaniline, polyphenylene or polyphenylene vinylene
- H10K85/115—Polyfluorene; Derivatives thereof
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/10—Organic polymers or oligomers
- H10K85/151—Copolymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- 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
- C08G2261/312—Non-condensed aromatic systems, e.g. benzene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- 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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Definitions
- the present invention relates to a composition, a block copolymer, and an organic electroluminescence element, a planar light source, and a display device obtained by using them.
- organic EL elements organic electroluminescence elements
- This organic EL element has organic layers, such as a light emitting layer and a charge transport layer.
- the organic EL element may be obtained using a low molecular organic material or may be obtained using a high molecular organic material.
- high molecular organic materials are used as the main material, a uniform film can be easily formed when coating methods such as inkjet printing and spin coating are used. It has been proposed to use a polymer organic material for an organic EL element (Patent Document 1 and Patent Document 2).
- the present invention provides an organic EL device having excellent luminance life, a planar light source and a display device using the same, and a composition and a block copolymer that can be used in the organic layer of the device. With the goal.
- this invention provides the composition containing a luminescent material and the high molecular compound which has a structure chain represented by following formula (1) in a principal chain.
- -[-(Y) n -Z-] m- (1) [Wherein Y represents a divalent group obtained by removing two hydrogen atoms from the structure represented by the following general formula (Y-1) or (Y-2).
- Z represents the following general formula (Z-1), (Z-2), (Z-3), (Z-4), (Z-5), (Z-6), (Z-7) or (Z And a divalent group obtained by removing two hydrogen atoms from the structure represented by -8).
- m represents an integer of 4 to 10,000, and n represents an integer of 1 to 3.
- a plurality of Y, Z and n may be the same or different.
- the hydrogen atom which Y and Z have may be substituted with R ′, and R ′ each independently represents a carboxyl group, a nitro group, a cyano group, an alkyl group, an alkoxy group, an alkylthio group, an aryl group, Aryloxy group, arylthio group, alkenyl group, alkynyl group, amino group, silyl group, acyl group, acyloxy group, imine residue, amide compound residue, acid imide residue, monovalent heterocyclic group and monovalent heterocyclic group A functional group selected from the group consisting of a ring thio group, or a halogen atom.
- R ′ When there are a plurality of R ′, they may be the same or different, and a plurality of R ′ may be bonded to each other to form a ring structure.
- the hydrogen atom of the functional group may be further substituted with a substituent.
- R X is a carboxyl group, nitro group, cyano group, alkyl group, alkoxy group, alkylthio group, aryl group, aryloxy group, arylthio group, alkenyl group, alkynyl group, amino group, silyl group, acyl group, acyloxy group, A functional group selected from the group consisting of an imine residue, an amide compound residue, an acid imide residue, a monovalent heterocyclic group and a monovalent heterocyclic thio group, or a hydrogen atom or a halogen atom.
- the plurality of R X may be the same or different, and the plurality of R X may be bonded to each other to form a ring structure.
- the hydrogen atom of the functional group may be further substituted with a substituent.
- An organic EL device obtained using such a composition has an excellent luminance life.
- the light emitting material is preferably a polymer light emitting material. Since the light-emitting material is a polymer light-emitting material, resistance to charge transfer tends to be small, so that the current characteristics are excellent.
- the polymer light-emitting material has a tendency that the luminance life is further improved and / or the light emission efficiency tends to be improved, so that at least the structural unit represented by the following general formula (A), (B) or (C) It is preferable to have one.
- Ar 1 and Ar 5 each independently represent an arylene group, a divalent heterocyclic group or a divalent group having a metal complex structure.
- Ar 2 , Ar 3 and Ar 4 each independently represent an arylene group or a divalent heterocyclic group.
- R 1 and R 2 each independently represent a hydrogen atom, an alkyl group, an aryl group, or a monovalent heterocyclic group.
- X 1 represents —CR 3 ⁇ CR 4 — or —C ⁇ C—.
- R 3 and R 4 each independently represent a hydrogen atom, a carboxyl group, a substituted carboxyl group, a cyano group, an alkyl group, an aryl group, or a monovalent heterocyclic group.
- a is 0 or 1.
- the light emitting material has a structural unit represented by the general formula (B) because hole transportability is improved.
- each Y is independently a divalent group represented by the following general formula (Y-3), (Y-4), (Y-5) or (Y-6).
- a divalent group represented by the following general formula (Y-3), (Y-4) or (Y-5) is more preferable, and the following general formula (Y-3) or (Y-5) Is more preferably a divalent group represented by the following general formula (Y-3).
- R ′′ represents a hydrogen atom, an alkyl group, an aryl group or a monovalent heterocyclic group. A plurality of R ′′ may be the same or different.
- Z represents the following general formulas (Z-9), (Z-10), (Z-11), (Z-12), (Z-13), (Z-14), (Z— 15), (Z-16), (Z-17), (Z-18), (Z-19) or (Z-20), preferably a divalent group represented by the following general formula ( A divalent group represented by Z-9), (Z-11), (Z-13), (Z-15), (Z-16), (Z-17) or (Z-19). It is more preferable that the divalent compound represented by the following general formula (Z-9), (Z-11), (Z-15), (Z-16), (Z-17) or (Z-19) And a divalent group represented by the following general formula (Z-11), (Z-15) or (Z-17) is particularly preferable.
- R ′′ represents a hydrogen atom, an alkyl group, an aryl group or a monovalent heterocyclic group.
- a plurality of R ′′ may be the same or different.
- RX is as defined above.
- the composition preferably contains 0.1 to 100 parts by mass of the light emitting material with respect to 1 part by mass of the polymer compound.
- the polymer compound is synthesized by condensation polymerization
- the group represented by Y and the group represented by Z are introduced by condensation polymerization, and an arbitrary additional group different from the group represented by Y and the group represented by Z May be introduced by condensation polymerization
- Y, Z and the number of moles each N Y any additional groups when the N Z and N M, N Y, N Z and N M is preferably satisfies the following formula (2).
- the polymer compound and the light emitting material are each synthesized by condensation polymerization
- the group represented by Y and the group represented by Z are introduced by condensation polymerization, and an arbitrary additional group different from the group represented by Y and the group represented by Z May be introduced by condensation polymerization
- the number of moles of chemical structures constituting the light emitting material introduced by condensation polymerization N L N Y , N Z , N M and N L preferably satisfy the following formula (3).
- the polymer compound has a tendency that the luminance life is further improved and / or the light emission efficiency tends to be improved. Therefore, the main chain is composed only of the constituent chain represented by the general formula (1). It is preferable.
- the present invention also provides a block copolymer having a constituent chain represented by the following general formula (1) in the main chain and a chemical structure constituting the light emitting material in the main chain or side chain. . -[-(Y) n -Z-] m- (1)
- Y represents a divalent group obtained by removing two hydrogen atoms from the structure represented by the following general formula (Y-1) or (Y-2).
- Z represents the following general formula (Z-1), (Z-2), (Z-3), (Z-4), (Z-5), (Z-6), (Z-7) or (Z And a divalent group obtained by removing two hydrogen atoms from the structure represented by -8).
- m represents an integer of 4 to 10,000
- n represents an integer of 1 to 3.
- a plurality of Y, Z and n may be the same or different.
- the hydrogen atom of Y and Z may be substituted with R ′, and R ′ is a carboxyl group, a nitro group, a cyano group, an alkyl group, an alkoxy group, an alkylthio group, an aryl group, an aryloxy group, an arylthio group.
- R ′ is a carboxyl group, a nitro group, a cyano group, an alkyl group, an alkoxy group, an alkylthio group, an aryl group, an aryloxy group, an arylthio group.
- Alkenyl group, alkynyl group, amino group, silyl group, acyl group, acyloxy group, imine residue, amide compound residue, acid imide residue, monovalent heterocyclic group and monovalent heterocyclic thio group A functional group selected from the above or a halogen atom is shown.
- R ′ When there are a plurality of R ′, they may be the same or different, and a plurality of R ′ may be bonded to each other to form a ring structure.
- the hydrogen atom of the functional group may be further substituted with a substituent.
- X represents —CH ⁇ or —N ⁇ .
- R X is a carboxyl group, nitro group, cyano group, alkyl group, alkoxy group, alkylthio group, aryl group, aryloxy group, arylthio group, alkenyl group, alkynyl group, amino group, silyl group, acyl group, acyloxy group, A functional group selected from the group consisting of an imine residue, an amide compound residue, an acid imide residue, a monovalent heterocyclic group and a monovalent heterocyclic thio group, or a hydrogen atom or a halogen atom.
- the plurality of R X may be the same or different, and the plurality of R X may be bonded to each other to form a ring structure.
- the hydrogen atom of the functional group may be further substituted with a substituent.
- An organic EL device obtained using this block copolymer has an excellent luminance life.
- the chemical structure constituting the light emitting material tends to have a more excellent luminance life and / or a light emitting efficiency. Therefore, the following general formula (A), (B) or It is preferably at least one of the structural units represented by (C).
- Ar 1 and Ar 5 each independently represent an arylene group, a divalent heterocyclic group or a divalent group having a metal complex structure.
- Ar 2 , Ar 3 and Ar 4 each independently represent an arylene group or a divalent heterocyclic group.
- R 1 and R 2 each independently represent a hydrogen atom, an alkyl group, an aryl group, or a monovalent heterocyclic group.
- X 1 represents —CR 3 ⁇ CR 4 — or —C ⁇ C—.
- R 3 and R 4 each independently represent a hydrogen atom, a carboxyl group, a substituted carboxyl group, a cyano group, an alkyl group, an aryl group, or a monovalent heterocyclic group.
- a is 0 or 1.
- the chemical structure constituting the light emitting material is preferably a structural unit represented by the general formula (B) because current characteristics tend to be improved.
- Y is preferably a divalent group represented by the following general formula (Y-3), (Y-4), (Y-5) or (Y-6).
- Y-3 a divalent group represented by the following general formula (Y-3), (Y-4) or (Y-5), and the following general formula (Y-3) or (Y-5) Is more preferably a divalent group represented by the following general formula (Y-3).
- R ′′ represents a hydrogen atom, an alkyl group, an aryl group or a monovalent heterocyclic group. A plurality of R ′′ may be the same or different.
- each Z is independently represented by the following general formulas (Z-9), (Z-10), (Z-11), (Z-12), (Z-13), (Z -14), (Z-15), (Z-16), (Z-17), (Z-18), (Z-19) or (Z-20) And is represented by the following general formula (Z-9), (Z-11), (Z-13), (Z-15), (Z-16), (Z-17) or (Z-19). And the following general formula (Z-9), (Z-11), (Z-15), (Z-16), (Z-17) or (Z-19) Is more preferably a divalent group represented by the following general formula (Z-11), (Z-15) or (Z-17), The following general formula ( It is particularly preferably a divalent group represented by -15). [Wherein R ′′ represents a hydrogen atom, an alkyl group, an aryl group or a monovalent heterocyclic group. When there are a plurality of R ′′, they may be the same or different. RX is as defined above. ]
- the block copolymer preferably has 1 to 30 constituent chains represented by the general formula (1).
- the group represented by Y, the group represented by Z, and the chemical structure constituting the light emitting material are introduced by condensation polymerization, and the group represented by Y, Z An optional additional group different from the chemical structure constituting the group and the light emitting material may be introduced by condensation polymerization,
- Y, Z, optional additional groups, and the number of moles of the chemical structure constituting the luminescent material are N Y , N Z , N M, and N K , respectively, N Y , N Z , N it is preferred that M and N K satisfies the following formula (4). 2 ⁇ N Y ⁇ 100 / (N Y + N Z + N K + N M ) ⁇ 40 (4)
- the luminous efficiency tends to be improved, and therefore it is preferable that the block copolymer consists only of the chemical structure constituting the light emitting material and the structural chain represented by the general formula (1). .
- the present invention also provides an organic EL device having a pair of electrodes and an organic layer provided between the pair of electrodes, the organic layer using the above composition.
- the present invention also provides an organic EL device having a pair of electrodes and an organic layer provided between the pair of electrodes, the organic layer containing the block copolymer.
- the present invention also provides a planar light source and a display device having the organic EL element.
- the luminance life of the obtained organic EL device can be improved by using the composition or block copolymer of the present invention.
- luminance lifetime, a planar light source, a display apparatus, and the organic layer of this element are provided. it can.
- tert-butyl group may be expressed as “t-Bu” and the phenyl group as “Ph”.
- structural unit refers to an atom or atomic group present in the molecular chain of a polymer compound
- structural chain refers to a molecular chain that includes one or several structural units in a certain order.
- halogen atom examples include a fluorine atom, a chlorine atom, a bromine atom and an iodine atom.
- C p -C q (p, q is a positive integer satisfying p ⁇ q) means that the number of carbon atoms in the partial structure corresponding to the functional group name described immediately after this term is p It represents ⁇ q. That is, when the organic group described immediately after “C p -C q ” is an organic group named by combining a plurality of functional group names (for example, C p -C q alkoxyphenyl group), It indicates that the number of carbon atoms in the partial structure corresponding to the functional group name (for example, alkoxy) described immediately after “C p -C q ” among the functional group names is p to q.
- C 1 -C 12 alkyl group indicates an alkyl group having 1 to 12 carbon atoms
- C 1 -C 12 alkoxyphenyl group indicates “alkoxy group having 1 to 12 carbon atoms”.
- a phenyl group having “group” is shown.
- the alkyl group may have a substituent, and may be any of a linear alkyl group, a branched alkyl group, and a cyclic alkyl group (cycloalkyl group).
- a linear alkyl group or a cyclic alkyl group is preferable, and an unsubstituted alkyl group or an alkyl group substituted with a halogen atom or the like is preferable.
- substituent carboxyl group, nitro group, cyano group, alkyl group, alkoxy group, alkylthio group, aryl group, aryloxy group, arylthio group, alkenyl group, alkynyl group, amino group, silyl group, acyl group, acyloxy group , Imine residues, amide compound residues, acid imide residues, monovalent heterocyclic groups, monovalent heterocyclic thio groups, halogen atoms, etc., and some or all of the hydrogen atoms contained in these groups May be substituted with a fluorine atom.
- the number of carbon atoms of the substituent is preferably 1 to 20 (hereinafter referred to as “substituent” unless otherwise specified). ).
- the number of carbon atoms of the alkyl group is preferably 1 to 20, more preferably 1 to 15, and further preferably 1 to 12 for a linear alkyl group and a branched alkyl group, and preferably 3 for a cyclic alkyl group. -20, more preferably 3-15, still more preferably 3-12.
- the alkyl group which may have a substituent include a methyl group, an ethyl group, a propyl group, an isopropyl group, a butyl group, an isobutyl group, a sec-butyl group, a tert-butyl group, a pentyl group, an isoamyl group, and a hexyl group.
- Cyclohexyl group 2-ethylhexyl group, heptyl group, octyl group, 3,7-dimethyloctyl group, nonyl group, decyl group, dodecyl group, arylalkyl group, trifluoromethyl group, pentafluoroethyl group, perfluorobutyl group Perfluorohexyl group, perfluorooctyl group and the like.
- the arylalkyl group may have a substituent, and is preferably an unsubstituted arylalkyl group or an arylalkyl group substituted with a halogen atom or an alkoxy group.
- the number of carbon atoms of the arylalkyl group is preferably 7 to 60, more preferably 7 to 48, and still more preferably 7 to 30.
- arylalkyl group which may have a substituent, a phenyl-C 1 -C 12 alkyl group, a C 1 -C 12 alkoxyphenyl-C 1 -C 12 alkyl group, a C 1 -C 12 alkylphenyl-C Examples thereof include a 1 to C 12 alkyl group, a 1-naphthyl-C 1 to C 12 alkyl group, and a 2-naphthyl-C 1 to C 12 alkyl group.
- the alkoxy group may have a substituent, and may be any of a linear alkoxy group, a branched alkoxy group, or a cyclic alkoxy group (cycloalkoxy group).
- a linear alkoxy group or a cyclic alkoxy group is preferable, and an unsubstituted alkoxy group, or an alkoxy group substituted with a halogen atom, an alkoxy group, or the like is preferable.
- the number of carbon atoms of the alkoxy group is preferably 1 to 20, more preferably 1 to 15, and further preferably 1 to 12 for a linear alkoxy group and a branched alkoxy group, and preferably 3 for a cyclic alkoxy group. -20, more preferably 3-15, still more preferably 3-12.
- the arylalkoxy group may have a substituent, and is preferably an unsubstituted arylalkoxy group or an arylalkoxy group substituted with a halogen atom or an alkoxy group.
- the number of carbon atoms of the arylalkoxy group is preferably 7 to 60, more preferably 7 to 48, and still more preferably 7 to 30.
- the arylalkoxy group which may have a substituent includes phenyl-C 1 -C 12 alkoxy group, C 1 -C 12 alkoxyphenyl-C 1 -C 12 alkoxy group, C 1 -C 12 alkylphenyl-C Examples thereof include 1 to C 12 alkoxy groups, 1-naphthyl-C 1 to C 12 alkoxy groups, and 2-naphthyl-C 1 to C 12 alkoxy groups.
- the alkylthio group may have a substituent, and may be any of a linear alkylthio group, a branched alkylthio group, and a cyclic alkylthio group (cycloalkylthio group).
- a linear alkylthio group or a cyclic alkylthio group is preferable, and an unsubstituted alkylthio group or an alkylthio group substituted with a halogen atom or the like is preferable.
- the number of carbon atoms of the alkylthio group is preferably 1 to 20, more preferably 1 to 15, and further preferably 1 to 12 for a linear alkylthio group and a branched alkylthio group, and preferably 3 for a cyclic alkylthio group. -20, more preferably 3-15, still more preferably 3-12.
- alkylthio group which may have a substituent include a methylthio group, an ethylthio group, a propylthio group, an isopropylthio group, a butylthio group, an isobutylthio group, a sec-butylthio group, a tert-butylthio group, a pentylthio group, a hexylthio group, Examples include cyclohexylthio group, heptylthio group, octylthio group, 2-ethylhexylthio group, nonylthio group, decylthio group, arylalkylthio group, 3,7-dimethyloctylthio group, dodecylthio group, and trifluoromethylthio group.
- the arylalkylthio group may have a substituent, and is preferably an unsubstituted arylalkylthio group or an arylalkylthio group substituted with a halogen atom or an alkoxy group.
- the number of carbon atoms of the arylalkylthio group is preferably 7 to 60, more preferably 7 to 48, and still more preferably 7 to 30.
- the arylalkylthio group which may have a substituent includes phenyl-C 1 -C 12 alkylthio group, C 1 -C 12 alkoxyphenyl-C 1 -C 12 alkylthio group, C 1 -C 12 alkylphenyl-C Examples thereof include a 1 to C 12 alkylthio group, a 1-naphthyl-C 1 to C 12 alkylthio group, and a 2-naphthyl-C 1 to C 12 alkylthio group.
- An aryl group is a remaining atomic group obtained by removing one hydrogen atom bonded to a carbon atom constituting an aromatic ring from an aromatic hydrocarbon, and may have a substituent.
- an aryl group consisting only of an aromatic ring, an unsubstituted aryl group, or an aryl group substituted with a halogen atom or an alkoxy group is preferable.
- aryl group a group having a benzene ring, a group having a condensed ring, two or more benzene rings and / or condensed rings, a single bond or a divalent organic group (for example, an alkylene group such as a vinylene group) Examples include a bonded group.
- the number of carbon atoms of the aryl group is preferably 6 to 60, more preferably 6 to 48, and still more preferably 6 to 30.
- a phenyl group a C 1 to C 12 alkoxyphenyl group, a C 1 to C 12 alkylphenyl group, a 1-naphthyl group, a 2-naphthyl group, a 1-anthracenyl group, 2-anthracenyl group, 9-anthracenyl group, 2-fluorenyl group, pentafluorophenyl group, biphenylyl group, C 1 -C 12 alkoxybiphenylyl group, C 1 -C 12 alkylbiphenylyl group, etc.
- a group, a C 1 -C 12 alkoxyphenyl group, a C 1 -C 12 alkylphenyl group, a biphenylyl group, a C 1 -C 12 alkoxybiphenylyl group or a C 1 -C 12 alkylbiphenylyl group is preferred.
- C 1 -C 12 alkoxyphenyl groups include methoxyphenyl group, ethoxyphenyl group, propyloxyphenyl group, isopropyloxyphenyl group, butyloxyphenyl group, isobutyloxyphenyl group, tert-butyloxyphenyl group, pentyloxyphenyl group Hexyloxyphenyl group or octyloxyphenyl group.
- C 1 -C 12 alkylphenyl groups include methylphenyl, ethylphenyl, dimethylphenyl, propylphenyl, mesityl, isopropylphenyl, butylphenyl, isobutylphenyl, tert-butylphenyl, pentylphenyl Group, isoamylphenyl group, hexylphenyl group, heptylphenyl group, octylphenyl group, nonylphenyl group, decylphenyl group, dodecylphenyl group and the like.
- the aryloxy group may have a substituent, and is preferably an unsubstituted aryloxy group or an aryloxy group substituted with a halogen atom or an alkoxy group.
- the number of carbon atoms of the aryloxy group is preferably 6 to 60, more preferably 6 to 48, and still more preferably 6 to 30.
- the aryloxy group which may have a substituent includes a phenoxy group, a C 1 to C 12 alkoxyphenoxy group, a C 1 to C 12 alkylphenoxy group, a 1-naphthyloxy group, a 2-naphthyloxy group, and pentafluoro Examples thereof include a phenyloxy group, and a C 1 -C 12 alkoxyphenoxy group or a C 1 -C 12 alkylphenoxy group is preferable.
- C 1 -C 12 alkoxyphenoxy groups include methoxyphenoxy group, ethoxyphenoxy group, propyloxyphenoxy group, isopropyloxyphenoxy group, butyloxyphenoxy group, isobutyloxyphenoxy group, tert-butyloxyphenoxy group, pentyloxyphenoxy group Hexyloxyphenoxy group, octyloxyphenoxy group and the like.
- Examples of the C 1 -C 12 alkylphenoxy group include a methylphenoxy group, an ethylphenoxy group, a dimethylphenoxy group, a propylphenoxy group, a 1,3,5-trimethylphenoxy group, a methylethylphenoxy group, an isopropylphenoxy group, a butylphenoxy group, Examples include isobutylphenoxy group, sec-butylphenoxy group, tert-butylphenoxy group, pentylphenoxy group, isoamylphenoxy group, hexylphenoxy group, heptylphenoxy group, octylphenoxy group, nonylphenoxy group, decylphenoxy group, and dodecylphenoxy group. It is done.
- the arylthio group may have a substituent, and is preferably an unsubstituted arylthio group or an arylthio group substituted with a halogen atom or an alkoxy group.
- the number of carbon atoms of the arylthio group is preferably 6 to 60, more preferably 6 to 48, and still more preferably 6 to 30.
- a thio group etc. are mentioned.
- the alkenyl group may have a substituent, and may be any of a linear alkenyl group, a branched alkenyl group, and a cyclic alkenyl group.
- the number of carbon atoms of the alkenyl group is preferably 2 to 20, more preferably 2 to 15, and still more preferably 2 to 10.
- Examples of the alkenyl group which may have a substituent include vinyl group, 1-propenyl group, 2-propenyl group, 1-butenyl group, 2-butenyl group, 1-pentenyl group, 2-pentenyl group and 1-hexenyl. Group, 2-hexenyl group, 1-octenyl group, arylalkenyl group and the like.
- the arylalkenyl group may have a substituent, and is preferably an unsubstituted arylalkenyl group or an arylalkenyl group substituted with a halogen atom or an alkoxy group.
- the number of carbon atoms of the arylalkenyl group is preferably 8 to 60, more preferably 8 to 48, and still more preferably 8 to 30.
- the arylalkenyl group which may have a substituent includes a phenyl-C 2 -C 12 alkenyl group, a C 1 -C 12 alkoxyphenyl-C 2 -C 12 alkenyl group, and a C 1 -C 12 alkylphenyl-C.
- the alkynyl group may have a substituent, and may be any of a linear alkynyl group, a branched alkynyl group, and a cyclic alkynyl group.
- the number of carbon atoms of the alkynyl group is preferably 2 to 20, more preferably 2 to 15, more preferably 2 to 10 for a linear alkynyl group and a branched alkynyl group, and preferably 10 to 10 for a cyclic alkynyl group. -20, more preferably 10-15.
- the arylalkynyl group may have a substituent, and is preferably an unsubstituted arylalkynyl group or an arylalkynyl group substituted with a halogen atom or an alkoxy group.
- the number of carbon atoms of the arylalkynyl group is preferably 8 to 60, more preferably 8 to 48, and still more preferably 8 to 30.
- the arylalkynyl group which may have a substituent includes phenyl-C 2 -C 12 alkynyl group, C 1 -C 12 alkoxyphenyl-C 2 -C 12 alkynyl group, C 1 -C 12 alkylphenyl-C 2 to C 12 alkynyl groups, 1-naphthyl-C 2 to C 12 alkynyl groups, 2-naphthyl-C 2 to C 12 alkynyl groups and the like, among others C 1 to C 12 alkoxyphenyl-C 2 to C 12 alkynyl A group or a C 1 -C 12 alkylphenyl-C 2 -C 12 alkynyl group is preferred.
- the monovalent heterocyclic group is a remaining atomic group obtained by removing one hydrogen atom bonded to an atom constituting a heterocyclic ring from a heterocyclic compound, and may have a substituent.
- the monovalent heterocyclic group is preferably an unsubstituted monovalent heterocyclic group or a monovalent heterocyclic group substituted with a substituent such as an alkyl group, and more preferably a monovalent aromatic heterocyclic group.
- the number of carbon atoms of the monovalent heterocyclic group is preferably 4 to 60, more preferably 4 to 30, and further preferably 4 to 20, excluding the number of carbon atoms of the substituent.
- Heterocyclic compounds are not only carbon atoms but also oxygen atoms, sulfur atoms, nitrogen atoms, phosphorus atoms, boron atoms, silicon atoms, selenium atoms as elements constituting the ring among organic compounds having a cyclic structure. , And those containing heteroatoms such as tellurium atoms and arsenic atoms.
- Examples of the monovalent heterocyclic group which may have a substituent include a thienyl group, a C 1 to C 12 alkyl thienyl group, a pyrrolyl group, a furyl group, a pyridyl group, a C 1 to C 12 alkyl pyridyl group, and a pyridazinyl group.
- pyrimidinyl group pyrazinyl group, triazinyl group, pyrrolidyl group, piperidyl group, quinolyl group and isoquinolyl group and the like
- a thienyl group C 1 ⁇ C 12 alkyl thienyl group, a pyridyl group or a C 1 ⁇ C 12 alkyl pyridyl group preferable.
- the monovalent heterocyclic thio group is a group in which a hydrogen atom of a mercapto group is substituted with a monovalent heterocyclic group, and may have a substituent.
- Examples of the monovalent heterocyclic thio group include a pyridylthio group, a pyridazinylthio group, a pyrimidinylthio group, a pyrazinylthio group, and a triazinylthio group.
- the amino group may have a substituent, and is preferably an unsubstituted amino group, or an amino substituted with one or two substituents selected from an alkyl group, an aryl group, and a monovalent heterocyclic group Group (hereinafter referred to as “substituted amino group”).
- the substituent may further have a substituent (hereinafter, the substituent that the functional group further has may be referred to as “secondary substituent”).
- the number of carbon atoms of the substituted amino group is preferably 1 to 60, more preferably 2 to 48, and still more preferably 2 to 40, not including the number of carbon atoms of the secondary substituent.
- the substituted amino group which may have a secondary substituent include methylamino group, dimethylamino group, ethylamino group, diethylamino group, propylamino group, dipropylamino group, isopropylamino group, diisopropylamino group, butyl Amino group, isobutylamino group, sec-butylamino group, tert-butylamino group, pentylamino group, hexylamino group, heptylamino group, octylamino group, 2-ethylhexylamino group, nonylamino group, decylamino group, 3,7 - dimethyloctyl amino group, a dodecyl
- the silyl group may have a substituent, and is preferably an unsubstituted silyl group, or a silyl group substituted with 1 to 3 substituents selected from an alkyl group, an aryl group, and a monovalent heterocyclic group Group (hereinafter referred to as “substituted silyl group”).
- the substituent may have a secondary substituent.
- the number of carbon atoms of the substituted silyl group is preferably 1 to 60, more preferably 3 to 48, and still more preferably 3 to 40, not including the number of carbon atoms of the secondary substituent.
- the substituted silyl group which may have a secondary substituent include trimethylsilyl group, triethylsilyl group, tripropylsilyl group, tri-isopropylsilyl group, dimethyl-isopropylsilyl group, diethyl-isopropylsilyl group, tert-butyl Dimethylsilyl group, pentyldimethylsilyl group, hexyldimethylsilyl group, heptyldimethylsilyl group, octyldimethylsilyl group, 2-ethylhexyl-dimethylsilyl group, nonyldimethylsilyl group, decyldimethylsilyl group, 3,7-dimethylocty
- the acyl group may have a substituent, and is preferably an unsubstituted acyl group or an acyl group substituted with a halogen atom or the like.
- the number of carbon atoms of the acyl group is preferably 2 to 20, more preferably 2 to 18, and still more preferably 2 to 16.
- Examples of the acyl group include an acetyl group, a propionyl group, a butyryl group, an isobutyryl group, a pivaloyl group, a benzoyl group, a trifluoroacetyl group, and a pentafluorobenzoyl group.
- the acyloxy group may have a substituent, and is preferably an unsubstituted acyloxy group or an acyloxy group substituted with a halogen atom or the like.
- the number of carbon atoms of the acyloxy group is preferably 2 to 20, more preferably 2 to 18, and still more preferably 2 to 16.
- Examples of the acyloxy group include an acetoxy group, a propionyloxy group, a butyryloxy group, an isobutyryloxy group, a pivaloyloxy group, a benzoyloxy group, a trifluoroacetyloxy group, and a pentafluorobenzoyloxy group.
- the imine residue is derived from an imine compound having a structure represented by at least one of the general formula: H—CR X1 ⁇ N—R Y1 or the general formula: H— N ⁇ C (R Y1 ) 2 in the above general formula. It means a residue excluding a hydrogen atom.
- R X1 represents a hydrogen atom, alkyl group, aryl group, arylalkenyl group or arylalkynyl group
- R Y1 represents a hydrogen atom, alkyl group, aryl group, arylalkenyl group or arylalkynyl group.
- R Y1 When two R Y1 are present, they may be the same or different, and the two R Y1 are bonded to each other to form a divalent group such as an ethylene group or a trimethylene group.
- a ring may be formed as an alkylene group having 2 to 18 carbon atoms such as a tetramethylene group, a pentamethylene group or a hexamethylene group.
- imine compounds include compounds in which a hydrogen atom bonded to a nitrogen atom in aldimine, ketimine, or aldimine is substituted with an alkyl group, aryl group, arylalkenyl group, or arylalkynyl group.
- the number of carbon atoms of the imine residue is preferably 2 to 20, more preferably 2 to 18, and still more preferably 2 to 16. Specific examples of the imine residue include groups represented by the following structural formulas.
- the amide compound residue is derived from an amide compound having a structure represented by at least one of the general formula: H—NR X2 —COR Y2 or the general formula: H—CO—N (R Y2 ) 2 in the above general formula. It means a residue without an atom.
- R X2 and R Y2 each independently represent a hydrogen atom, an alkyl group which may have a substituent, or an aryl group which may have a substituent.
- the number of carbon atoms in the amide compound residue is preferably 2 to 20, more preferably 2 to 18, and still more preferably 2 to 16.
- amide compound residue As the amide compound residue, formamide group, acetamide group, propioamide group, butyroamide group, benzamide group, trifluoroacetamide group, pentafluorobenzamide group, diformamide group, diacetamide group, dipropioamide group, dibutyroamide group, dibenzamide group, Examples include a ditrifluoroacetamide group and a dipentafluorobenzamide group.
- the acid imide residue means a residue obtained by removing a hydrogen atom in the above general formula from an acid imide having a structure represented by the general formula: R X3 —CO—NH—CO—R Y 3 .
- R X3 and R Y3 each independently represent an alkyl group that may have a substituent, an aryl group that may have a substituent, or R X3 and R Y3 may be Represents a ring structure formed by bonding.
- the number of carbon atoms of the acid imide residue is preferably 4 to 20, more preferably 4 to 18, and still more preferably 4 to 16. Examples of the acid imide residue include the following groups.
- An arylene group means an atomic group obtained by removing two hydrogen atoms bonded to carbon atoms constituting an aromatic ring from an aromatic hydrocarbon, including an independent benzene ring or a group having a condensed ring, and having a substituent. You may do it.
- the number of carbon atoms of the arylene group is preferably 6 to 60, more preferably 6 to 48, still more preferably 6 to 30, and particularly preferably 6 to 18, excluding the number of carbon atoms of the substituent.
- the number of carbon atoms does not include the number of carbon atoms of the substituent.
- arylene group examples include phenylene groups such as 1,4-phenylene group, 1,3-phenylene group, and 1,2-phenylene group; 1,4-naphthalenediyl group, 1,5-naphthalenediyl group, 2,6- Naphthalenediyl group such as naphthalenediyl group; anthracenediyl group such as 1,4-anthracenediyl group, 1,5-anthracenediyl group, 2,6-anthracenediyl group, 9,10-anthracenediyl group; 2,7- Phenanthrene diyl group such as phenanthrene diyl group; 1,7-naphthacene diyl group, 2,8-naphthacene diyl group, naphthacene diyl group such as 5,12-naphthacene diyl group; 2,7-full orangeyl group, 3,6-full orangeyl Fluorenediyl group such as a group; 1,6-pyren
- the divalent heterocyclic group refers to a remaining atomic group obtained by removing two hydrogen atoms bonded to a carbon atom or a hetero atom constituting a heterocyclic ring from a heterocyclic compound, and may have a substituent.
- the divalent heterocyclic group is preferably an unsubstituted divalent heterocyclic group or a divalent heterocyclic group substituted with an alkyl group or the like.
- the number of carbon atoms of the divalent heterocyclic group is preferably 4 to 60, more preferably 4 to 30, and still more preferably 4 to 12, excluding the number of carbon atoms of the substituent.
- the divalent heterocyclic group include pyridinediyl groups such as 2,5-pyridinediyl group and 2,6-pyridinediyl group; thiophenediyl groups such as 2,5-thiophendiyl group; 2,5-furandiyl group Quinolinediyl groups such as 2,6-quinolinediyl groups; isoquinolinediyl groups such as 1,4-isoquinolinediyl groups and 1,5-isoquinolinediyl groups; quinoxalinediyl groups such as 5,8-quinoxalinediyl groups 2,1,3-benzothiadiazole group such as 2,1,3-benzothiadiazole-4,7-diyl group; benzothiazole diyl group such as 4,7-benzothiazold
- 2,1,3-benzothiadiazole-4,7-diyl group which may have a substituent phenoxazinediyl group which may have a substituent, It may be a phenothiazinediyl group.
- the divalent heterocyclic group is preferably a divalent aromatic heterocyclic group.
- composition contains a light emitting material and a polymer compound.
- the composition preferably contains 0.1 to 100 parts by weight of the light emitting material with respect to 1 part by weight of the polymer compound, and preferably contains 1 to 100 parts by weight of the light emitting material with respect to 1 part by weight of the polymer compound.
- the light emitting material is contained in an amount of 4 to 20 parts by mass with respect to 1 part by mass of the polymer compound. The light emitting material and the polymer compound will be described below.
- the polymer compound has a constituent chain represented by the general formula (1) in the main chain.
- the polymer compound having the structural chain represented by the general formula (1) in the main chain and further having a chemical structure constituting the light emitting material described later is the above polymer compound unless it is a block copolymer. being classified.
- a divalent group in which n ⁇ 2 and a plurality of Ys are obtained by removing two hydrogen atoms from the structure represented by the general formula (Y-1) In this case, the structures represented by the plurality of general formulas (Y-1) may be the same or different, but are preferably the same.
- the structure represented by the plurality of general formulas (Y-1) may be composed of only a structure in which all Xs are —CH ⁇ , and a structure in which all X are —CH ⁇ and X
- R ′ is preferably a functional group selected from the group consisting of an alkyl group, an alkoxy group, an aryl group, an amino group, and a monovalent heterocyclic group, or It is a halogen atom.
- R ′ is more preferably a functional group or a halogen atom selected from the group consisting of an alkyl group, an aryl group and a monovalent heterocyclic group, more preferably an alkyl group or an aryl group, and particularly preferably an alkyl group. is there.
- R ′ When there are a plurality of R ′, they may be the same or different, and a plurality of R ′ may be bonded to each other to form a ring structure.
- R ′ When R ′ forms a ring structure, it is preferably a ring structure having no unsaturated bond. Examples of R ′ that can form such a structure include an alkyl group, an alkoxy group, an alkylthio group, an amino group, and a silyl group. Groups and the like.
- the structures represented by the plurality of general formulas (Y-2) may be the same or different, but are preferably the same.
- the structure represented by the plurality of general formulas (Y-2) may consist of only a structure in which all Xs are —CH ⁇ , and a structure in which all X are —CH ⁇ and X
- One or two of the structures may be both —N ⁇ and the remaining X is —CH ⁇ , or one or two of X may be —N ⁇ and the remaining X is although it may consist only of a structure where —CH ⁇ , it preferably consists of a structure where all X are —CH ⁇ .
- the preferred range of R ′ when the hydrogen atom of Y and Z is substituted with R ′ is the same as above.
- m structures represented by [— (Y) n —Z—] may be the same or different.
- the constituent chain is represented by [—Y 01 -Z 01 -]-[ -Y 02 -Y 03 -Z 02 -]-[-Y 04 -Z 03 -]-[-Y 05 -Y 06 -Z 04- ], where Y 01 , Y 02 , Y 03 , Y 04 , Y 05 and Y 06 may be the same or different, and Z 01 , Z 02 , Z 03 and Z 04 may be the same or different.
- m and n are other integer combinations.
- R X represents an alkyl group or an alkoxy group.
- one of the two R X is an alkyl group, One is preferably an aryl group.
- a plurality of R X are bonded to each other to form a ring structure.
- the ring structure may be a ring having no unsaturated bond or a ring having an unsaturated bond.
- n represents an integer of 4 to 10,000.
- m is preferably an integer of 8 to 10000, more preferably an integer of 30 to 10000, and particularly preferably an integer of 50 to 5000.
- a plurality of n's are the same or different and each represents an integer of 1 to 3, preferably the same integer, and more preferably all n's are all 1 or all 2.
- a plurality of Ys are the same or different and are divalent groups represented by general formula (Y-3), (Y-4), (Y-5) or (Y-6). It is preferable that
- R ′′ is preferably a hydrogen atom, an alkyl group or an aryl group, more preferably a hydrogen atom. Or an alkyl group, particularly preferably a hydrogen atom.
- Preferred examples of Y in general formula (1) include the following groups.
- Z represents a general formula (Z-1), (Z-2), (Z-3), (Z-4), (Z-5), (Z- 6)
- Z- 7 or (Z-8) A divalent group obtained by removing two hydrogen atoms from the structure represented by (Z-7) or (Z-8).
- a plurality of Z are represented by the general formulas (Z-1), (Z-2), (Z-3), (Z-4), (Z-5), (Z-6), (Z-7) and (Z -8) may be composed of only one group of divalent groups obtained by removing two hydrogen atoms from the structure represented by -8), or may be composed of a plurality of groups, but any one group It is preferable that it consists only of.
- two or more of a plurality of Z are represented by the general formulas (Z-1), (Z-2), (Z-3), (Z-4), (Z -5), (Z-6), (Z-7) and (Z-8), when it is any one of divalent groups obtained by removing two hydrogen atoms from the structure represented by the general formula ( Z-1), (Z-2), (Z-3), (Z-4), (Z-5), (Z-6), (Z-7) or (Z-8)
- the structures may be the same or different, but are preferably the same.
- a plurality of Z are represented by the general formulas (Z-1), (Z-2), (Z-3), (Z-4), (Z-5), (Z-6), (Z-7) or
- a plurality of general formulas (Z-1), (Z-2), (Z-3), (Z -4), (Z-5), (Z-6), (Z-7) or (Z-8) may have a structure in which all X are —CH ⁇ .
- Well it may consist of both a structure in which all X is —CH ⁇ and a structure in which one or two of X are —N ⁇ and the remaining X is —CH ⁇ , or One or two of them may consist only of a structure in which —N ⁇ and the remaining X is —CH ⁇ , but preferably all of X is —CH ⁇ .
- Z in the general formula (1) is the above general formula (Z-9), (Z-10), (Z-11), (Z-12), (Z-13), (Z-14), ( A divalent group represented by Z-15), (Z-16), (Z-17), (Z-18), (Z-19) or (Z-20) is preferred.
- Plural Zs may be the same or different.
- Z is represented by the general formula (Z-9), (Z-11), (Z-13), (Z-15), (Z-16), (Z-17) or (Z-19). And is preferably a divalent group represented by the general formula (Z-9), (Z-11), (Z-15), (Z-16), (Z-17) or (Z-19). Is more preferably a divalent group represented by general formula (Z-11), (Z-15) or (Z-17), A divalent group represented by formula (Z-15) is particularly preferable.
- a combination of Y and Z in the general formula (1) for example, a combination of a divalent group represented by the formula (Y-3) and a divalent group represented by the formula (Z-9) (hereinafter referred to as a combination) , Simply say “(Y-3) and (Z-9)”), (Y-3) and (Z-11), (Y-3) and (Z-13), (Y-3 ) And (Z-15), (Y-3) and (Z-16), (Y-3) and (Z-17), (Y-3) and (Z-19), (Y-4) and (Z-9), (Y-4) and (Z-11), (Y-4) and (Z-13), (Y-4) and (Z-15), (Y-4) and (Z -16), (Y-4) and (Z-17), (Y-4) and (Z-19), (Y-5) and (Z-9), (Y-5) and (Z-11) ), (Y-5) and (Z-13), (Y-5) and (Z-15), (Y-5) and (Z-16), (Y-5) and (Z- 7), (Y-
- the structural chain represented by the general formula (1) is, for example, a structure in which a total of m chains of one or more of the structures represented by the above formula [-(Y) n -Z-] are combined. Also good.
- the number average molecular weight in terms of polystyrene of the polymer compound having the structural chain represented by the general formula (1) in the main chain is preferably 1 ⁇ 10 3 to 1 ⁇ 10 7 , more preferably 1 ⁇ 10 4 to. 5 ⁇ 10 6 .
- the polystyrene equivalent weight average molecular weight of the polymer compound is preferably 1 ⁇ 10 4 to 5 ⁇ 10 7 , more preferably 5 ⁇ 10 4 to 1 ⁇ 10 7 .
- the luminescent material of this embodiment will be described.
- a general light emitting material can be used.
- the above-mentioned luminescent material is preferably an “organic EL display” (published by Shizushi Tokito, Chiba Yasada, Hideyuki Murata, Ohm Co., Ltd., August 20, 2004, first edition, first print) 17-48 Fluorescent materials or triplet light-emitting materials described on pages 83 to 99 or 101 to 120 can be used.
- Examples of the low-molecular fluorescent material include perylene and derivatives thereof, polymethine-based, xanthene-based, coumarin-based, and cyanine-based pigments, 8-hydroxyquinoline metal complexes, 8-hydroxyquinoline derivative metal complexes, and aromatics. Examples thereof include amines, tetraphenylcyclopentadiene and derivatives thereof, and tetraphenylbutadiene and derivatives thereof. More specifically, those described in JP-A-57-51781 and JP-A-59-194393. Etc. can be used. Other examples of the luminescent material include, for example, International Publication No. 99/13692, International Publication No. 99/48160, German Patent Application Publication No.
- the light-emitting material is preferably a polymer light-emitting material, more preferably a polymer light-emitting material that is a copolymer.
- the polymer light-emitting material preferably has at least one structural unit represented by the general formula (A), (B), or (C). In addition, even if it has at least one kind of structural unit represented by the above general formula (A), (B) or (C), it has the structural chain represented by the above general formula (1) in the main chain.
- the polymer light-emitting material is classified into the above-described polymer compound or a block copolymer described later.
- the polymer light-emitting material preferably has a structural unit represented by the general formula (B) because hole transportability is improved.
- a polymer light-emitting material having a unit is preferable, and a polymer light-emitting material having a structural unit represented by the general formula (A) and a structural unit represented by the general formula (B) is more preferable.
- the polymer light-emitting material comprises a structural unit represented by the general formula (B), a structural unit represented by the general formula (A), and / or a structural unit represented by the general formula (C).
- the preferred content ratio (molar ratio) between the structural unit represented by the general formula (B) and other structural units is 1:99 to 40:60, more preferably 3:97 to 30:70. More preferably, it is 5:95 to 20:80.
- the number average molecular weight in terms of polystyrene of the polymer light emitting material is preferably 1 ⁇ 10 3 to 1 ⁇ 10 7 , more preferably 1 ⁇ 10 4 to 5 ⁇ 10 6 .
- the polystyrene-equivalent weight average molecular weight of the polymer light emitting material is preferably 1 ⁇ 10 4 to 5 ⁇ 10 7 , and more preferably 5 ⁇ 10 4 to 1 ⁇ 10 7 .
- Ar 1 represents an arylene group, a divalent heterocyclic group, or a divalent group having a metal complex structure, and may have a substituent.
- substituents include an alkyl group, an alkoxy group, an aryl group, an aryloxy group, an arylalkoxy group, an arylalkenyl group, an arylalkynyl group, an amino group, a substituted amino group, a halogen atom, an acyl group, an acyloxy group, 1 And a valent heterocyclic group, a carboxyl group, a nitro group, a cyano group, and the like.
- An alkyl group, an alkoxy group, an aryl group, an aryloxy group, a substituted amino group, or a monovalent heterocyclic group is preferable, and an alkyl group or an alkoxy group. Or an aryl group is more preferable.
- the arylene group which is Ar 1 is the same as the explanation and examples in [Explanation of terms] described above, but the 1,4-phenylene group, 2,7-biphenylylene group, 1,4 -Naphthalenediyl group, 1,5-naphthalenediyl group, 2,6-naphthalenediyl group or 2,7-fluorenediyl group are preferred, 1,4-phenylene group, 1,4-naphthalenediyl group, 1,5 More preferably a naphthalenediyl group, a 2,6-naphthalenediyl group or a 2,7-fluorenediyl group, a 1,4-phenylene group, a 2,6-naphthalenediyl group, a 2,7-biphenylylene group, or 2, A 7-fluorenediyl group is more preferable, and a 2,7-fluorenediyl group is particularly preferable.
- the divalent heterocyclic group that is Ar 1 is the same as the description, examples, and preferred examples in [Description of terms] above.
- the divalent group having a metal complex structure which may have a substituent represented by Ar 1 is the rest of the iridium complex or the platinum complex after removing two hydrogen atoms.
- An atomic group that is, a residue of an iridium complex or a platinum complex
- M-1, M-2, M-3, M-4, M-5, M-6, or M-7 The group represented by these is preferable.
- R is an alkyl group, alkoxy group, aryl group, aryloxy group, arylalkyl group, arylalkoxy group, arylalkenyl group, arylalkynyl group, amino group, substituted amino group, halogen atom, acyl group, acyloxy group
- a monovalent heterocyclic group, a carboxyl group, a nitro group or a cyano group is shown.
- a plurality of R may be the same or different.
- a structural unit composed of a fluorenediyl group which may have a substituent a structure composed of a phenylene group which may have a substituent A group selected from the group consisting of a unit, an optionally substituted naphthalenediyl group, and an optionally substituted 2,7-biphenylylene group is preferable.
- the structural unit represented by the general formula (A) is represented by the following general formula (A-1), (A-2), (A-3), (A-4) or (A-5).
- a structural unit is preferable, and a structural unit represented by (A-2), (A-4) or (A-5) is more preferable.
- R 5 represents an alkyl group, an alkoxy group, an aryl group, an aryloxy group, an arylalkoxy group, an arylalkenyl group, an arylalkynyl group, an amino group, a substituted amino group, a halogen atom, an acyl group, an acyloxy group, or a monovalent group.
- b is 2 or more, a plurality of R 5 may be the same as or different from each other, and the plurality of R 5 may be bonded to each other to form a ring structure.
- R 6 and R 7 each independently represent a hydrogen atom, an alkyl group, an aryl group, or a monovalent heterocyclic group, and these groups may have a substituent.
- R 6 and R 7 may be bonded to each other to form a ring structure.
- R 6 and R 7 are preferably an alkyl group, an aryl group, or a monovalent heterocyclic group, and more preferably an alkyl group or an aryl group.
- R 8 and R 9 are each independently an alkyl group, an alkoxy group, an aryl group, an aryloxy group, an arylalkenyl group, an arylalkynyl group, an acyl group, an acyloxy group, a monovalent heterocyclic group, or a carboxyl group. Nitro group, cyano group, amino group, substituted amino group, hydrogen atom or halogen atom. These groups may have a substituent. R 8 and R 9 may be bonded to each other to form a ring structure.
- R 8 and R 9 are preferably a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, an aryloxy group, a substituted amino group, an acyl group or a monovalent heterocyclic group, more preferably a hydrogen atom, an alkyl group, An alkoxy group, an aryl group, an aryloxy group, or a monovalent heterocyclic group, more preferably a hydrogen atom or an alkyl group, and particularly preferably a hydrogen atom.
- R 20 and R 21 each independently represent a hydrogen atom, an alkyl group, an aryl group, or a monovalent heterocyclic group. These groups may have a substituent.
- R 20 and R 21 are preferably a hydrogen atom, an alkyl group, or an aryl group, and more preferably an alkyl group or an aryl group.
- R 22 , R 23 , R 24 and R 25 each independently represent a hydrogen atom, an alkyl group, an aryl group or a monovalent heterocyclic group. These groups may have a substituent.
- R 22 , R 23 , R 24 and R 25 may be bonded to each other to form a ring structure.
- R 22 , R 23 , R 24 and R 25 are preferably a hydrogen atom, an alkyl group or an aryl group, and more preferably an alkyl group or an aryl group.
- Ar 2 , Ar 3 and Ar 4 each independently represent an arylene group or a divalent heterocyclic group, and may have a substituent.
- substituents include an alkyl group, an alkoxy group, an aryl group, an aryloxy group, an arylalkenyl group, an arylalkynyl group, an amino group, a substituted amino group, a halogen atom, an acyl group, an acyloxy group, and a monovalent heterocyclic ring.
- the arylene group which is Ar 2 , Ar 3 and Ar 4 is the same as the description and examples in the above [Explanation of terms], but a 1,3-phenylene group, 1,4-phenylene Group, 2,7-biphenylylene group, 1,4-naphthalenediyl group, 2,6-naphthalenediyl group and 2,7-fluorenediyl group are preferred.
- the divalent heterocyclic group which is Ar 2 , Ar 3 and Ar 4 is the same as the description and examples in [Description of terms] described above, but a 2,5-thiophenediyl group, N-methyl-2,5-pyrrolediyl group, 2,5-furandiyl group, 4,7-benzo [2,1,3] thiadiazolediyl group, 2,5-pyridinediyl group and 2,5-pyrimidinediyl group Is preferred.
- Ar 2 and Ar 4 are preferably arylene groups, and are 1,3-phenylene group, 1,4-phenylene group, 2,7-biphenylylene group, 1,4-naphthalenediyl group or 2,6-naphthalenediyl group.
- the group is more preferably 1,4-phenylene group, 2,7-biphenylylene group or 1,4-naphthalenediyl group, and particularly preferably 1,4-phenylene group. These groups may have a substituent.
- Ar 3 represents 1,3-phenylene group, 1,4-phenylene group, 2,7-biphenylylene group, 1,4-naphthalenediyl group, 2,7-fluorenediyl group, or 4,7-benzo [2, 1,3] thiadiazolediyl group, more preferably 1,4-phenylene group, 2,7-biphenylylene group, 1,4-naphthalenediyl group or 2,7-fluorenediyl group, A 1,4-phenylene group or a 2,7-biphenylylene group is particularly preferable. These groups may have a substituent.
- R 1 and R 2 are each independently preferably an alkyl group, an aryl group or a monovalent heterocyclic group, more preferably an alkyl group or an aryl group, and even more preferably an aryl group.
- Ra represents a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, an aryloxy group, an arylalkenyl group, an arylalkynyl group, an amino group, a substituted amino group, a halogen atom, an acyl group, an acyloxy group, 1
- Plural Ras may be the same or different and may be bonded to each other to form a ring structure.
- Rb is a hydrogen atom, alkyl group, alkoxy group, aryl group, aryloxy group, arylalkenyl group, arylalkynyl group, amino group, substituted amino group, halogen atom, acyl group, acyloxy group, monovalent A heterocyclic group, a carboxyl group, a nitro group or a cyano group.
- a plurality of R b may be the same or different and may be bonded to each other to form a ring structure.
- the ring structure formed by bonding R b to each other is preferably a 5-membered ring.
- R 10 , R 11 , R 12 , R 13 , R 14 , R 15 and R 16 each independently represent a hydrogen atom, an alkyl group, an aryl group or a monovalent heterocyclic group, and a substituent You may have.
- X 2 , X 3 , X 4 , X 5 and X 6 each independently represent a group represented by — (CR 17 R 18 ) d —.
- R 10 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 and R 18 are preferably an alkyl group, an aryl group or a monovalent heterocyclic group, more preferably an alkyl group.
- R 17 and R 18 each independently represent a hydrogen atom, an alkyl group, an aryl group, or a monovalent heterocyclic group, and may have a substituent.
- d represents an integer of 0 to 2, preferably 0 or 1, and more preferably 1. When d is 2, a plurality of R 17 may be the same or different, and a plurality of R 18 may be the same or different.
- the arylene group, divalent heterocyclic group, and divalent group having a metal complex structure as Ar 5 in the general formula (C) are the same groups as Ar 1 described above.
- the polymer compound and polymer light-emitting material of the present embodiment can be produced by, for example, condensation polymerization.
- condensation polymerization examples include polymerization by Suzuki reaction (Chem. Rev., Vol. 95, p. 2457 (1995)), polymerization by Grignard reaction (Kyoritsu Shuppan, functional polymer material) Series Volume 2, Polymer Synthesis and Reaction (2), pages 432-433), and Polymerization Method by Yamamoto Polymerization (Progressive Polymer Science (Prog. Polym. Sci.), Volume 17, pages 1153-1205 , 1992).
- the polymer compound and the polymer light-emitting material are preferably synthesized by condensation polymerization, and more preferably synthesized by a method of polymerizing by a Suzuki reaction.
- the structural unit of [— (Y) n —Z—] m is synthesized as one unit, and then the polymer main chain is synthesized.
- a method of polymerizing a polymer containing a constituent chain by a polymerization method capable of controlling the sequence such as a method of incorporation and a method of polymerizing by a Suzuki reaction.
- a method of polymerizing by a Suzuki reaction is preferable, but the synthesis method is not limited as long as it is a polymer containing a constituent chain.
- the group represented by Y and Z and the constituent chain represented by the general formula (1) are represented by, for example, a compound represented by the following general formula (M1) and the following general formula (M2).
- a compound represented by the following general formula (M3) and a compound represented by the following general formula (M4) can be introduced by condensation polymerization.
- Arbitrary additional groups different from the groups represented by Y and Z may be introduced into the polymer compound by condensation polymerization.
- the structure represented by the general formula (A), (B) or (C) is introduced, for example, by condensation polymerization of a compound represented by the following general formula (M5), (M6) or (M7).
- Arbitrary additional groups different from the structural unit represented by the general formula (A), (B) or (C) may be introduced into the polymer light-emitting material by condensation polymerization.
- AYA (M1) [Wherein Y is as defined above. A represents a halogen atom. Two A's may be the same or different. ]
- B ′ is a boric acid ester residue, a boric acid residue (—B (OH) 2 ), a group represented by the following formula (a-1), a group represented by the following formula (a-2), A group represented by the formula (a-3) or a group represented by the following formula (a-4) is represented.
- Two B ′ may be the same or different.
- R T represents an alkyl group or an aryl group, and may be substituted.
- X A represents a halogen atom.
- A-ZA (M3) [Wherein, Z and A are as defined above. Two A's may be the same or different. ]
- C′—Ar 1 —C ′ (M5) [Wherein Ar 1 is as defined above.
- C ′ represents a halogen atom, a boric acid ester residue, a boric acid residue, a group represented by the above formula (a-1), a group represented by the above formula (a-2), or the above formula (a-3). ) Or a group represented by the above formula (a-4).
- Two C ′ may be the same or different.
- halogen atom represented by C 'and X A examples of the halogen atom represented by C 'and X A, a chlorine atom, a bromine atom, an iodine atom.
- boric acid ester residue represented by B ′ and C ′ examples include groups represented by the following formulae.
- examples of the unsubstituted alkyl group represented by RT include a methyl group, an ethyl group, and an n-butyl group.
- examples of the substituted alkyl group represented by RT include a trifluoromethyl group and a pentafluoroethyl group.
- examples of the aryl group represented by R T include a phenyl group, a 4-methylphenyl group, and a 4-n-butylphenyl group.
- Examples of the group represented by the above formula (a-1) include a methanesulfonate group, a trifluoromethanesulfonate group, a phenylsulfonate group, and a 4-methylphenylsulfonate group.
- the alkyl group represented by R T is the same as described in the above [Description of terms] and examples, and examples of the unsubstituted alkyl group include a methyl group, an ethyl group, An n-butyl group is preferred, and the substituted alkyl group is preferably a trifluoromethyl group or a pentafluoroethyl group.
- the aryl group represented by R T is the same as the description and examples in [Description of terms] above, but includes a phenyl group, a 4-methylphenyl group, 4-n-butyl. A phenyl group is preferred.
- Examples of the group represented by the above formula (a-4) include a trimethylstannanyl group, a triethylstannanyl group, and a tributylstannanyl group.
- the compound represented by the above general formula (M1), (M2), (M3), (M4), (M5), (M6) or (M7) can be synthesized in advance and used in the reaction system. Can be used as is.
- B ′ in the above general formulas (M2) and (M4) and C ′ in (M5), (M6) and (M7) are the above general formulas (M2), (M4), (M5), (M6). ) And (M7) are simple and easy to handle, and are preferably boric acid ester residues or boric acid residues.
- the compound represented by the general formula (M1), (M2), (M3), (M4), (M5), (M6) or (M7) is used as an appropriate catalyst or an appropriate one.
- the method of making it react using a simple base is mentioned.
- the catalyst examples include palladium [tetrakis (triphenylphosphine)], [tris (dibenzylideneacetone)] dipalladium, palladium complexes such as palladium acetate, nickel [tetrakis (triphenylphosphine)], [1,3-bis ( Transition metal complexes such as diphenylphosphino) propane] dichloronickel, [bis (1,4-cyclooctadiene)] nickel and other nickel complexes, and if necessary, further triphenylphosphine, tri (tert-butylphosphine) And a catalyst comprising a ligand such as tricyclohexylphosphine, diphenylphosphinopropane, bipyridyl, and the like.
- the catalyst can be synthesized in advance and used, or can be prepared in a reaction system and used as it is. These catalysts may be used individually by 1 type, and may be used in combination of 2
- the catalyst when the catalyst is used, the catalyst with respect to the total number of moles of the compound represented by the general formula (M1), (M2), (M3), (M4), (M5), (M6) or (M7)
- the amount of the metal atom is preferably 0.00001 to 3 molar equivalents, more preferably 0.00005 to 0.5 molar equivalents, and further preferably 0.0001 to 0.2 molar equivalents. It is preferably 0.0001 to 0.01 molar equivalent.
- the base examples include inorganic bases such as sodium carbonate, potassium carbonate, cesium carbonate, potassium fluoride, cesium fluoride or tripotassium phosphate, or tetrabutylammonium fluoride, tetrabutylammonium chloride, tetrabutylammonium bromide or water. And organic bases such as tetrabutylammonium oxide. These bases may be used alone or in combination of two or more.
- inorganic bases such as sodium carbonate, potassium carbonate, cesium carbonate, potassium fluoride, cesium fluoride or tripotassium phosphate, or tetrabutylammonium fluoride, tetrabutylammonium chloride, tetrabutylammonium bromide or water.
- organic bases such as tetrabutylammonium oxide.
- the amount used is the mole of the compound represented by the general formula (M1), (M2), (M3), (M4), (M5), (M6) or (M7).
- the total number is preferably 0.5 to 20 molar equivalents, and more preferably 1 to 10 molar equivalents.
- the condensation polymerization is usually performed in the presence of a solvent such as an organic solvent.
- the organic solvent varies depending on the type and reaction of the compound represented by the general formula (M1), (M2), (M3), (M4), (M5), (M6) or (M7).
- organic solvents may be used individually by 1 type, and may be used in combination of 2 or more type.
- the amount of the organic solvent used is such that the total concentration of the compounds represented by the general formulas (M1), (M2), (M3), (M4), (M5), (M6) or (M7) is usually
- the amount is 0.1 to 90% by mass, preferably 1 to 50% by mass, more preferably 2 to 30% by mass.
- the reaction temperature of the condensation polymerization is preferably ⁇ 100 to 200 ° C., more preferably ⁇ 80 to 150 ° C., and further preferably 0 to 120 ° C.
- the above reaction time depends on conditions such as the reaction temperature, but is usually 1 hour or longer, preferably 2 to 500 hours.
- N Y, Z and optionally additional group M moles each N Y of, when the N Z and N M, it is preferable that N Y, N Z and N M satisfies the following formula (2) . 30 ⁇ N Y ⁇ 100 / (N Y + N Z + N M ) ⁇ 75 (2)
- the polymer compound is particularly preferably a copolymer composed only of the constituent chain represented by the general formula (1).
- the post-treatment of the condensation polymerization can be carried out by a known method such as a method of adding a reaction solution obtained by condensation polymerization to a lower alcohol such as methanol and filtering and drying the deposited precipitate.
- the polymer compound and the light-emitting material obtained as described above can be mixed by a known method to form a composition.
- the “block copolymer” has “the structural chain represented by the general formula (1)” in the main chain, and “the chemical structure constituting the light emitting material” in the main chain or the side chain. It is a copolymer having.
- This block-type copolymer can have “constituent chain represented by the general formula (1)” in the side chain, and constitute “luminescent chain” represented by the “constituent chain represented by the general formula (1)”.
- the main chain or the side chain may have a constituent chain other than “the chemical structure” (hereinafter referred to as “other constituent chain”) and / or “a divalent group such as a linking group”.
- each of “constituent chain represented by the general formula (1)”, “chemical structure constituting the luminescent material”, and “other constituent chain” has only one kind. May also have a combination of two or more.
- the block copolymer of the present embodiment has the constituent chain represented by the general formula (1) in the main chain, and has the chemical structure constituting the light emitting material in the main chain or the side chain.
- the block copolymer preferably has 1 to 30 constituent chains represented by the general formula (1).
- the structural chain represented by the general formula (1) is the same as the structural chain represented by the general formula (1) described above in the polymer compound.
- the chemical structure which comprises a low molecular fluorescent substance is mentioned, for example.
- the chemical structure constituting the low molecular phosphor may be incorporated into the main chain or into the side chain.
- the chemical structure constituting the light-emitting material is preferably polyfluorene, a copolymer of a fluorene derivative, polyarylene, a copolymer of an arylene derivative, polyarylene vinylene, a copolymer of an arylene vinylene derivative, an aromatic amine, or an amine thereof
- the chemical structure which comprises a derivative is mentioned.
- the chemical structure constituting the luminescent material is preferably at least one of the structural units represented by the general formula (A), (B) or (C), and the structural unit represented by the general formula (B). It is more preferable that The structural unit represented by the general formula (A), (B) or (C) is the same as the structural unit represented by the general formula (A), (B) or (C) described above in the light-emitting material. However, the chemical structure constituting the light emitting material does not include the structural unit represented by the formula (1). Moreover, it is preferable that the chemical structure which comprises a luminescent material contains 1 or more types of structural units represented by the said Formula (A), and 1 or more types of structural units represented by the said Formula (B).
- the bond between the chemical structure constituting the luminescent material and the structural chain represented by the general formula (1) is, for example, a direct bond, a conjugated bond via an aromatic ring, or an alkylene chain. Non-conjugated bond through the like. Among these, a direct bond or a conjugated bond via an aromatic ring is preferable.
- the number average molecular weight in terms of polystyrene of the block copolymer is preferably 1 ⁇ 10 3 to 1 ⁇ 10 7 , more preferably 1 ⁇ 10 4 to 5 ⁇ 10 6 .
- the polystyrene equivalent weight average molecular weight of the block copolymer is preferably 1 ⁇ 10 4 to 5 ⁇ 10 7 , more preferably 5 ⁇ 10 4 to 1 ⁇ 10 7 .
- the block copolymer is preferably synthesized by condensation polymerization, and is synthesized by a method of polymerizing a polymer compound containing a constituent chain by a polymerization method capable of controlling the sequence, such as a method of polymerization by a Suzuki reaction.
- a copolymer is more preferable, but the synthesis method is not limited as long as it is a high molecular compound including a structural chain and a chemical structure constituting a light emitting material.
- polymerizing a block type copolymer by a Suzuki reaction a block type copolymer can be synthesize
- the groups represented by Y and Z and the chemical structure constituting the light emitting material are introduced into the block copolymer by condensation polymerization.
- Arbitrary additional groups different from the group and chemical structure may be introduced by condensation polymerization.
- condensation polymerization method examples include the same methods as those for the above-described polymer compound or light-emitting material.
- a method for producing a block copolymer having a block having a structural chain represented by the general formula (1) and a block having a chemical structure constituting a light emitting material other than the block in the main chain (Method 1), (Method 2) or (Method 3).
- Method 1 A monomer necessary for forming a block having a structural chain represented by the general formula (1) is subjected to condensation polymerization to prepare a polymer having a structural chain represented by the general formula (1), and then the polymer.
- Method 2 After preparing a polymer having a chemical structure constituting a light emitting material, which is obtained by condensation polymerization of monomers necessary for forming a block having a chemical structure constituting the light emitting material, the polymer is represented by the general formula (1).
- a method in which a monomer necessary for forming a block having a constituent chain represented is added and subjected to condensation polymerization.
- Method 3 A monomer necessary for forming a block having a constituent chain represented by the general formula (1) is subjected to condensation polymerization, and a polymer (a) having a constituent chain represented by the general formula (1) is prepared.
- Examples of the monomer used in (Method 1) to (Method 3) include general formulas (M1), (M2), (M3), (M4), (M5), Examples thereof include compounds represented by (M6) or (M7).
- the structural chain represented by the general formula (1) in the polymer having a structural chain represented by the general formula (1), is a compound represented by the above general formula (M1).
- the compound represented by the general formula (M2) or the compound represented by the general formula (M3) and the compound represented by the general formula (M4) are introduced by condensation polymerization.
- the chemical structure constituting the luminescent material is introduced by adding a compound represented by the general formula (M5), (M6) or (M7) to the polymer and subjecting it to condensation polymerization.
- a compound represented by the general formula (M5), (M6) or (M7) is introduced into the block copolymer.
- the structural structure represented by the general formula (1) and the chemical structure constituting the light emitting material are introduced into the block copolymer.
- N Y , N Z , N M and N K preferably satisfy the following formula (4), and more preferably satisfy the following formula (4-1). 2 ⁇ N Y ⁇ 100 / (N Y + N Z + N K + N M ) ⁇ 40 (4) 3 ⁇ N Y ⁇ 100 / (N Y + N Z + N K + N M ) ⁇ 30 (4-1)
- Y the number of moles of Z and optionally additional group M, when a N Y, N Z and N M, respectively, N Y, N Z and N M is the following formula (5) It is preferable that the following formula (5-1) is satisfied. 20 ⁇ N Y ⁇ 100 / (N Y + N Z + N K ) (5) 30 ⁇ N Y ⁇ 100 / (N Y + N Z + N K ) (5-1)
- a dibromo body of Y, a diboric acid body of Z, and a monomer of the third component (referred to as J) are prepared, and 37.5 mol%: 50 mol of the dibromo body of Y, the diboric acid body of Z, and the dibromo body of J, respectively.
- % In the case of polymer compounds obtained by polymerizing them by the Suzuki reaction using a molar ratio of 12.5 mol%, the following general formula (1-1): ... -Y-Z-Y-Z-Y-Z-J-Z-Y-Z-Y-Z-Y-Z-J-Z ...
- a polymer compound or a block copolymer when polymerized using a monomer other than the Y dibromo compound and the Z diboric acid compound as described above, it is always represented by the general formula (1). It is preferable to select each monomer type and monomer ratio so that the polymer contains a constituent chain.
- the dibromo compound of the third component J is present in addition to the dibromo compound of Y and the diboric acid compound of Z
- the dibromo compound of Y, the diboric acid compound of Z, and the dibromo compound of J are each 50 ⁇ t (mol%):
- t (mol%) a preferable range of t is 0 ⁇ t ⁇ 12.5, more preferably 0 ⁇ t ⁇ 10. More preferably, 0 ⁇ t ⁇ 5.
- t is a number greater than 0 and less than 50.
- the polymerization simulation was performed by creating a program having the following functions.
- k types k is an integer of 1 or more of monomer units (hereinafter referred to as “monomer unit A group”) having two leaving groups A (for example, borate ester residues), M 1 ,. . . . , M k (M 1 ,..., M k is an integer greater than or equal to 1)
- v types v is an integer of 1 or more) of monomer units (hereinafter referred to as “monomer unit B group”) having two leaving groups B (for example, bromine atoms), N 1 ,. . . .
- N v (N 1 ,..., N v is an integer greater than or equal to 1) It is defined as Then, the following two steps ([Step 1] and [Step 2]) are carried out by the ratio of the number of unreacted leaving groups (N F ) to the number of leaving groups (N 0 ) initially present (N F / N 0 ) Was repeated until it decreased to a certain value (hereinafter referred to as “R value”).
- R value a certain value
- the number of unreacted leaving groups represents the total number of leaving groups remaining after performing the following two steps ([Step 1] and [Step 2]).
- [Step 1] A step of selecting one monomer unit from each of the monomer unit A group and the monomer unit B group by two random numbers.
- Step 2 A step of registering a bond between the two monomer units selected in Step 1 and reducing the number of leaving groups of the selected monomer unit by one.
- the average chain length was calculated as follows: First, one monomer unit was selected from each of the monomer unit A group and the monomer unit B group, the same identification symbol P was given to them, and [polymerization simulation] was performed. The number of Ps constituting the monomer unit chain (hereinafter referred to as “P chain”) identified by the symbol P by scanning the polymer sequence obtained by polymerization (hereinafter referred to as “P chain length”) .) was recorded. Excludes the case where the monomer unit identified by the symbol P is present without forming a chain (that is, when P is present as an unreacted monomer) and the case where none of the monomer units bonded to P are P. .
- m ′ obtained above is preferably m ′ ⁇ 3.0, more preferably m ′ ⁇ 3.8, still more preferably m ′ ⁇ 5.35, and particularly preferably m ′. ⁇ 9.9.
- the composition of the present embodiment may contain at least one material selected from the group consisting of a hole transport material and an electron transport material.
- the block copolymer may be a composition with at least one material selected from the group consisting of a hole transport material and an electron transport material.
- these two types of compositions are collectively referred to simply as “the composition of the present embodiment” and will be described.
- the hole transport material and the electron transport material mainly play a role of adjusting the charge (hole and electron) balance.
- hole transport materials include polyvinylcarbazole and derivatives thereof, polysilane and derivatives thereof, polysiloxane derivatives having aromatic amines in the side chain or main chain, pyrazoline derivatives, arylamine derivatives, stilbene derivatives, triphenyldiamine derivatives, polyanilines and Examples thereof include polythiophene and derivatives thereof, polypyrrole and derivatives thereof, poly (p-phenylene vinylene) and derivatives thereof, and poly (2,5-thienylene vinylene) and derivatives thereof.
- the content ratio of the hole transport material is preferably 3 to 30 parts by weight, more preferably 3 to 20 parts by weight, and particularly preferably, because the charge balance is good with respect to 100 parts by weight of the composition. 3 to 10 parts by mass.
- the content of the hole transport material is preferably 3 to 30 parts by mass, more preferably 3 to 20 parts by mass, particularly preferably 100% by mass with respect to 100 parts by mass of the block copolymer, since the charge balance becomes good. Is added in an amount of 3 to 10 parts by mass.
- Electron transport materials include oxadiazole derivatives, anthraquinodimethane and its derivatives, benzoquinone and its derivatives, naphthoquinone and its derivatives, anthraquinone and its derivatives, tetracyanoanthraquinodimethane and its derivatives, fluorenone derivatives, diphenyldicyanoethylene And derivatives thereof, diphenoquinone derivatives, metal complexes of 8-hydroxyquinoline and derivatives thereof, polyquinoline and derivatives thereof, polyquinoxaline and derivatives thereof, and polyfluorene and derivatives thereof.
- JP-A-63-70257, JP-A-63-175860, JP-A-2-135359, JP-A-2-135361, JP-A-2-209988, JP-A-3- Examples thereof include electron transport materials described in Japanese Patent No. 37992 and Japanese Patent Laid-Open No. 3-152184.
- the content of the electron transport material is preferably 5 to 50 parts by weight, more preferably 5 to 30 parts by weight, and particularly preferably 5 to 100 parts by weight of the composition because the charge balance becomes good. ⁇ 20 parts by mass.
- the content of the electron transport material is preferably 5 to 50 parts by mass, more preferably 5 to 30 parts by mass, and particularly preferably, since the charge balance is good with respect to 100 parts by mass of the block copolymer. Add 5-20 parts by weight.
- the composition of the present embodiment contains an organic solvent, and the block copolymer of the present embodiment is mixed with an organic solvent to form a solution or dispersion (hereinafter simply referred to as “solution”).
- solution a solution or dispersion
- This solution is generally called an ink composition, a liquid composition, or the like.
- the solution may contain the above-described hole transport material and / or electron transport material.
- Organic solvents include chloroform, methylene chloride, 1,2-dichloroethane, 1,1,2-trichloroethane, chlorinated solvents such as chlorobenzene and o-dichlorobenzene, ether solvents such as tetrahydrofuran and dioxane, toluene, xylene, trimethyl Aromatic hydrocarbon solvents such as benzene and mesitylene, aliphatic hydrocarbon solvents such as cyclohexane, methylcyclohexane, n-pentane, n-hexane, n-heptane, n-octane, n-nonane and n-decane, Ketone solvents such as acetone, methyl ethyl ketone and cyclohexanone, ester solvents such as ethyl acetate, butyl acetate, methyl benzoate and ethyl cellosolve a
- these organic solvents may be used individually by 1 type, and may be used in combination of 2 or more type.
- these organic solvents when an organic solvent having a structure containing a benzene ring and having a melting point of 0 ° C. or lower and a boiling point of 100 ° C. or higher is included, the viscosity of the solution falls within an appropriate range. Since there exists a tendency for property to become favorable, it is preferable.
- the content ratio of the organic solvent is preferably 10.0 to 99.9 parts by mass, more preferably 20.0 to 99.8 parts by mass, because the film-forming property is improved with respect to 100 parts by mass of the composition. Part, particularly preferably 30.0 to 99.7 parts by weight.
- the content of the organic solvent is preferably 10 to 1000 parts by mass, more preferably 20 to 500 parts by mass, because the film-forming property is improved with respect to 1 part by mass of the block copolymer. Particularly preferred is 30 to 100 parts by mass.
- the composition of the present embodiment contains an organic solvent
- the block copolymer when used in combination with an organic solvent, a thin film made of the composition and a thin film made of the block copolymer are laminated and formed.
- the solution may be dried by heating to 50 to 150 ° C., or may be dried by reducing the pressure to about 10 ⁇ 3 Pa.
- spin coating method For lamination and film formation, spin coating method, casting method, micro gravure coating method, gravure coating method, bar coating method, roll coating method, wire bar coating method, dip coating method, slit coating method, capillary coating method, spray coating Application methods such as a printing method, a screen printing method, a flexographic printing method, an offset printing method, an inkjet printing method, and a nozzle coating method can be used.
- the viscosity of the solution varies depending on the printing method, but is in the range of 0.5 to 500 mPa ⁇ s at 25 ° C. It is preferable that In addition, in the case of a method in which the solution passes through a discharge device, such as an inkjet printing method, the viscosity of the solution is 0.5 to 20 mPa ⁇ s at 25 ° C. in order to prevent clogging and flight bending at the time of discharge. A range is preferable.
- the composition and / or block copolymer is useful for preparing a thin film that becomes an organic layer.
- a thin film can be easily produced from the solution by the method described above.
- a thin film uses the said composition or contains a block type copolymer, it is suitable as a light emitting layer of an organic EL element, and the organic EL element which has the said thin film as a light emitting layer The luminance life is improved.
- the organic EL element has a pair of electrodes composed of an anode and a cathode, and the organic layer provided between the pair of electrodes.
- the organic layer functions as a light emitting layer.
- the organic EL element preferably has a light emitting layer made of the above thin film.
- Examples of the structure of the organic EL element include the following structures a) to d). a) Anode / light emitting layer / cathode b) Anode / hole transport layer / light emitting layer / cathode c) Anode / light emitting layer / electron transport layer / cathode d) Anode / hole transport layer / light emitting layer / electron transport layer / cathode (Here, / indicates that each layer is laminated adjacently. The same applies hereinafter.)
- the light-emitting layer is a layer having a function of emitting light.
- the hole transport layer is a layer having a function of transporting holes.
- the electron transport layer is a layer having a function of transporting electrons.
- the hole transport layer and the electron transport layer are collectively referred to as a charge transport layer.
- the lamination and film formation of each layer can be performed from a solution.
- Application methods such as spray coating, screen printing, flexographic printing, offset printing, ink jet printing, and nozzle coating can be used.
- the thickness of the light emitting layer may be selected so that the driving voltage and the light emission efficiency are moderate values, but is usually 1 nm to 1 ⁇ m, preferably 2 nm to 500 nm, and more preferably 5 nm to 200 nm. .
- the hole transport material used include the same materials as described above.
- the hole transport layer may be formed by any method, but when the hole transport material is a low molecular compound, it is preferably formed from a mixed solution with a polymer binder. When the hole transport material is a polymer compound, it is preferable to form a film from a solution. For film formation from a solution, a method exemplified as a coating method can be used.
- the polymer binder to be mixed with the hole transport material is preferably a compound that does not extremely impede charge transport and does not strongly absorb visible light.
- the polymer binder include polycarbonate, polyacrylate, polymethyl acrylate, polymethyl methacrylate, polystyrene, polyvinyl chloride, and polysiloxane.
- the thickness of the hole transport layer may be selected so that the driving voltage and the light emission efficiency are moderate values, but is usually 1 nm to 1 ⁇ m, preferably 2 nm to 500 nm, more preferably 5 nm to 200 nm. It is.
- the electron transport material used include those described above.
- the electron transport layer may be formed by any method, but when the electron transport material is a low-molecular compound, a vacuum deposition method from powder or a method by film formation from a solution or a molten state is preferable.
- the electron transport material is a polymer compound, a method of forming a film from a solution or a molten state is preferable.
- a polymer binder may be used in combination.
- a method exemplified as a coating method can be used.
- the polymer binder to be mixed with the electron transport material is preferably a compound that does not extremely inhibit charge transport and does not strongly absorb visible light.
- Polymeric binders include poly (N-vinylcarbazole), polyaniline and derivatives thereof, polythiophene and derivatives thereof, poly (p-phenylene vinylene) and derivatives thereof, poly (2,5-thienylene vinylene) and derivatives thereof, polycarbonate , Polyacrylate, polymethyl acrylate, polymethyl methacrylate, polystyrene, polyvinyl chloride, and polysiloxane.
- the thickness of the electron transport layer may be selected so that the driving voltage and the light emission efficiency are moderate values, but is usually 1 nm to 1 ⁇ m, preferably 2 nm to 500 nm, more preferably 5 nm to 200 nm. is there.
- the layer having the function of improving the charge injection efficiency from the electrode and having the effect of lowering the driving voltage of the element is particularly a charge injection layer (hole injection layer, electron (Injection layer).
- the charge injection layer or the insulating layer may be provided adjacent to the electrode. Therefore, a thin buffer layer may be inserted at the interface of the charge transport layer or the light emitting layer. Note that the order and number of layers to be stacked, and the thickness of each layer may be selected in consideration of light emission efficiency and element lifetime.
- Examples of the configuration of the organic EL element provided with the charge injection layer include the following configurations e) to p).
- the charge injection layer is a layer containing a conductive polymer, provided between the anode and the hole transport layer, and has an ionization potential of an intermediate value between the anode material and the hole transport material contained in the hole transport layer.
- Examples thereof include a layer including a material having a material, a layer including a material provided between the cathode and the electron transport layer, and having a material having an intermediate electron affinity between the cathode material and the electron transport material included in the electron transport layer.
- the electrical conductivity of the conductive polymer is preferably 10 ⁇ 5 S / cm to 10 3 S / cm, and the leakage current between the light emitting pixels Is preferably 10 ⁇ 5 S / cm to 10 2 S / cm, and more preferably 10 ⁇ 5 S / cm to 10 1 S / cm.
- the conductive polymer may be doped with an appropriate amount of ions.
- the kind of ions to be doped is an anion for the hole injection layer and a cation for the electron injection layer.
- the anion include polystyrene sulfonate ion, alkylbenzene sulfonate ion, camphor sulfonate ion, and the like.
- the cation include lithium ion, sodium ion, potassium ion, and tetrabutylammonium ion.
- the thickness of the charge injection layer is, for example, 1 to 100 nm, and preferably 2 to 50 nm.
- the material used for the charge injection layer may be selected in relation to the material of the electrode and the adjacent layer, such as polyaniline and derivatives thereof, polythiophene and derivatives thereof, polypyrrole and derivatives thereof, polyphenylene vinylene and derivatives thereof, and polythienylene vinylene. And derivatives thereof, polyquinoline and derivatives thereof, polyquinoxaline and derivatives thereof, conductive polymers such as polymers containing an aromatic amine structure in the main chain or side chain, metal phthalocyanines (copper phthalocyanine, etc.), carbon, etc. .
- the insulating layer is a layer having a function of facilitating charge injection.
- the average thickness of this insulating layer is usually 0.1 to 20 nm, preferably 0.5 to 10 nm, more preferably 1 to 5 nm.
- Examples of the material used for the insulating layer include metal fluorides, metal oxides, and organic insulating materials.
- Examples of the structure of the organic EL element provided with an insulating layer include the following structures q) to ab). q) anode / insulating layer / light emitting layer / cathode r) anode / light emitting layer / insulating layer / cathode s) anode / insulating layer / light emitting layer / insulating layer / cathode t) anode / insulating layer / hole transport layer / light emitting layer / Cathode u) anode / hole transport layer / light emitting layer / insulating layer / cathode v) anode / insulating layer / hole transport layer / light emitting layer / insulating layer / cathode w) anode / insulating layer / light emitting layer / electron transport layer / Cathode x) anode / light emitting layer / electron transport layer / cathode
- the substrate for forming the organic EL element may be any substrate that does not change chemically when forming the electrode and the organic layer, and examples thereof include substrates such as glass, plastic, polymer film, and silicon.
- the electrode on the opposite side to the electrode closer to the substrate is preferably transparent or translucent.
- At least one of the anode and cathode electrodes is transparent or translucent, and the anode side is transparent or translucent.
- a conductive metal oxide film, a translucent metal thin film, or the like As the material of the anode, a conductive metal oxide film, a translucent metal thin film, or the like is used. Specifically, indium oxide, zinc oxide, tin oxide, or a complex thereof, indium tin oxide. A film made of a conductive inorganic compound made of (ITO), indium / zinc / oxide, NESA, gold, platinum, silver, copper, or the like is used. Moreover, you may use organic transparent conductive films, such as polyaniline and its derivative (s), polythiophene, and its derivative (s) as an anode.
- a layer made of a phthalocyanine derivative, a conductive polymer, or carbon, or a layer made of a metal oxide, a metal fluoride, or an organic insulating material may be provided on the anode.
- Examples of the method for producing the anode include a vacuum deposition method, a sputtering method, an ion plating method, and a plating method.
- the thickness of the anode can be selected in consideration of light transmittance and electrical conductivity, but is usually 10 nm to 10 ⁇ m, preferably 20 nm to 1 ⁇ m, and more preferably 40 nm to 500 nm. .
- a material having a small work function is preferable, lithium, sodium, potassium, rubidium, cesium, beryllium, magnesium, calcium, strontium, barium, aluminum, scandium, vanadium, zinc, yttrium, indium, cerium, samarium, Metals such as europium, terbium or ytterbium, two or more of them, or one or more of them, and one of gold, silver, platinum, copper, manganese, titanium, cobalt, nickel, tungsten and tin
- An alloy with a seed or more, graphite, a graphite intercalation compound, or the like is used.
- a vacuum deposition method As a method for producing the cathode, a vacuum deposition method, a sputtering method, a laminating method in which a metal thin film is thermocompression bonded, or the like is used.
- the thickness of the cathode can be selected in consideration of electric conductivity and durability, but is usually 10 nm to 10 ⁇ m, preferably 20 nm to 1 ⁇ m, and more preferably 50 nm to 500 nm.
- a layer made of a conductive polymer or a layer made of a metal oxide, a metal fluoride, an organic insulating material, or the like may be provided between the cathode and the light emitting layer or between the cathode and the electron transport layer.
- a protective layer for protecting the organic EL element may be attached. In order to stably use the organic EL element for a long period of time, it is preferable to attach a protective layer and / or a protective cover in order to protect the organic EL element from the outside.
- the protective layer resin, metal oxide, metal fluoride, metal boride, or the like can be used.
- a glass plate or a plastic plate having a low water permeability treatment on the surface can be used, and a method in which the protective cover is bonded to the element substrate with a thermosetting resin or a photocurable resin and sealed is suitable. Used for. If a space is maintained using a spacer, it is easy to prevent the element from being damaged. If an inert gas such as nitrogen or argon is sealed in the space, oxidation of the cathode can be prevented, and the moisture adsorbed in the manufacturing process can be prevented by installing a desiccant such as barium oxide in the space. It becomes easy to suppress giving an image to an element.
- An organic EL element having an organic layer using the composition of the present embodiment or an organic layer containing a block copolymer is a surface light source (for example, illumination) such as a curved light source and a planar light source.
- a surface light source for example, illumination
- display devices such as segment display devices, dot matrix display devices (for example, dot matrix flat displays), and liquid crystal display devices (for example, liquid crystal display devices, backlights of liquid crystal displays).
- composition and / or block copolymer of the present embodiment is suitable as a material used for the production thereof, in addition to a laser dye, an organic solar cell material, an organic semiconductor for an organic transistor, It is also useful as a conductive thin film and a material for conductive thin films such as an organic semiconductor thin film, a light emitting thin film material that emits fluorescence, and a field effect transistor material.
- a light emitting material other than blue is used to obtain white color purity. You may contain in this light emitting layer, and you may have the 2nd light emitting layer which has light emitting materials other than blue.
- planar anode and cathode should be arranged so as to overlap each other.
- a method of installing a mask having a patterned window on the surface of the planar organic EL element, either one of the anode and the cathode, or both electrodes are formed in a pattern. There is a way to do it.
- a segment display device capable of displaying numbers, letters, simple symbols, etc. can be obtained by forming a pattern by any of these methods and arranging several electrodes so that they can be turned ON / OFF independently.
- both the anode and the cathode may be formed in stripes and arranged orthogonally. Partial color display and multicolor display are possible by a method of separately coating a plurality of types of polymer compounds having different emission colors or a method using a color filter or a fluorescence conversion filter.
- the dot matrix display device can be driven passively or may be driven actively in combination with a TFT or the like. These display devices can be used for computers, televisions, portable terminals, cellular phones, car navigation systems, video camera viewfinders, and the like.
- the number average molecular weight and the weight average molecular weight were determined in terms of polystyrene by gel permeation chromatography (GPC, manufactured by Shimadzu Corporation, trade name: LC-10Avp).
- GPC gel permeation chromatography
- the compound to be measured was dissolved in tetrahydrofuran to a concentration of about 0.5% by mass, and 30 ⁇ L of the solution was injected into GPC. Tetrahydrofuran was used for the mobile phase of GPC, and flowed at a flow rate of 0.6 mL / min.
- TSKgel SuperHM-H manufactured by Tosoh
- TSKgel SuperH2000 manufactured by Tosoh
- a differential refractive index detector manufactured by Shimadzu Corporation, trade name: RID-10A was used as the detector.
- NMR measurement The NMR measurement of the compound was performed under the following conditions. Apparatus: Nuclear magnetic resonance apparatus, INOVA300 (trade name), manufactured by Varian Inc. Measurement solvent: Deuterated chloroform or deuterated tetrahydrofuran Sample concentration: About 1% by mass Measurement temperature: 25 ° C
- LC-MS measurement The LC-MS measurement was performed by the following method. The measurement sample was dissolved in chloroform or tetrahydrofuran to a concentration of about 2 mg / mL, and 1 ⁇ L was injected into LC-MS (manufactured by Agilent Technologies, trade name: 1100LCMSD). For the mobile phase of LC-MS, ion-exchanged water, acetonitrile, tetrahydrofuran or a mixture thereof was used, and acetic acid was added as necessary. As the column, L-column 2 ODS (3 ⁇ m) (manufactured by Chemicals Evaluation and Research Institute, inner diameter: 2.1 mm, length: 100 mm, particle diameter: 3 ⁇ m) was used.
- the gas in the four-necked flask was replaced with nitrogen, and the obtained product was dissolved in dehydrated N, N-dimethylformamide (hereinafter referred to as “DMF”) in the flask.
- DMF dehydrated N, N-dimethylformamide
- the resulting solution was heated to 90 ° C., and 53.0 parts by mass of methyl iodide was added while monitoring the reaction. The total reaction time was 10 hours.
- the solution allowed to cool to room temperature was dropped into water cooled to 0 ° C., and the reaction product was extracted twice with hexane.
- the obtained solution was filtered through a glass filter covered with silica gel, and the filtrate was concentrated.
- the concentrate was purified by silica gel column chromatography to obtain 13.3 parts by mass of Compound 1A.
- a 10% by mass aqueous sodium hydrogen carbonate solution was added to the obtained organic layer and stirred, and the aqueous layer separated and allowed to stand was removed from the organic layer.
- the organic layer was concentrated to remove the solvent.
- the residue was purified by silica gel column chromatography using toluene and heptane as developing solvents, and concentrated to remove the solvent.
- recrystallization was performed using butyl acetate and methanol to obtain 23.2 parts by mass of the target compound 2B.
- solution B 2-methoxycarbonyl-4,4′-dibromobiphenyl (16.0 parts by mass) and anhydrous tetrahydrofuran were added to a two-necked flask to prepare a solution (hereinafter referred to as “solution B”).
- solution B was added dropwise to solution A so that the temperature of solution A was kept at ⁇ 70 ° C. and stirred. The reaction was then stirred at room temperature for 15 hours. Next, water was added to the reaction solution at 0 ° C. and stirred.
- ⁇ Synthesis Example 8 Synthesis of Compound 3D> 5.0 parts by mass of Compound 2D was added to a three-necked flask, and the gas in the flask was replaced with nitrogen. Thereto was added anhydrous tetrahydrofuran, and the mixture was cooled to -70 ° C or lower. While maintaining the obtained solution at ⁇ 70 ° C. or lower, a 2.5M n-butyllithium / hexane solution (2.2 molar equivalents relative to Compound 2D) was added dropwise. After dropping, the reaction solution was stirred for 4 hours while maintaining the temperature.
- the gas in the four-necked flask was replaced with nitrogen, and 16.6 parts by mass of Compound 3F was added and dissolved in chloroform.
- the obtained solution was cooled to 0 ° C., and a solution obtained by dissolving 6.3 parts by mass of NBS (N-bromosuccinimide) in DMF was added dropwise thereto over 50 minutes. And after stirring for 10 minutes, the cold bath was removed and stirring was continued for 3 hours.
- the obtained mixed solution was cooled again to 0 ° C., and a solution in which 0.1 part by mass of NBS was dissolved in DMF was added dropwise thereto. And after stirring for 1.5 hours at room temperature, water was dripped there and liquid-separated.
- the reaction vessel was placed under an argon stream, and Compound 1I (27.7 g) and trifluoroacetic acid (36 mL) were added.
- a mixed solution of trimethylsilane (8.4 mL) and hexane (25 mL) was added dropwise to the solution over 30 minutes, and the mixture was stirred overnight at room temperature.
- the reaction solution was cooled to 10 ° C., hexane and distilled water were added, and the mixture was stirred for 1 hour. Then, the aqueous layer which was allowed to stand and separated was removed from the organic layer. Subsequently, water was added and stirred, and the aqueous layer which was allowed to stand and liquid-separated was removed from the organic layer.
- reaction solution was poured into a mixed solution of water and 2N hydrochloric acid, and the aqueous layer was extracted with ethyl acetate. Next, the obtained organic layer was washed with an aqueous sodium chloride solution. The washed organic layer was dried over magnesium sulfate, and then the solvent was distilled off under reduced pressure. The residue was purified by silica gel column chromatography (developing solvent: hexane) to obtain 21.3 g of compound 2P as a pale yellow oil.
- compound 5M (1.70 g, 2.39 mmol), bis (pinacolato) diboron (4,4,4 ′, 4 ′, 5,5,5 ′, 5′-octamethyl-2,2 ′ -Bi-1,3,2-dioxaborolane) (1.33 g, 5.25 mmol), 1,1-bis (diphenylphosphino) ferrocenedichloropalladium (II) dichloromethane complex (Pd (dppf) .CH 2 Cl 2 , 38 mg, 0.05 mmol), 1,1-bis (diphenylphosphino) ferrocene (30 mg, 0.05 mmol), anhydrous 1,4-dioxane (20 mL) and potassium acetate (1.4 g, 14.31 mmol) were added, Stir for 6 hours under reflux.
- Heptyltriphenylphosphonium bromide 115.0 g was placed in a 1 L four-necked flask equipped with a stirrer, and the gas in the flask was replaced with argon.
- Toluene 375 g was placed in the flask and cooled to 5 ° C. or lower.
- Potassium tert-butoxide 29.2 g was added, and the mixture was warmed to room temperature and stirred at room temperature for 3 hours.
- Compound 1N (15.0 g) was added to the red slurry produced in the reaction solution, and the mixture was stirred while keeping at room temperature for 12 hours.
- Acetic acid (10.0 g) was added to the reaction solution and stirred for 15 minutes, followed by filtration.
- the filter residue was washed with toluene several times. A plurality of filtrates were combined and concentrated, and hexane was added to form a slurry. The slurry was stirred at 50 ° C. for 1 hour while being kept warm. The resulting mixture was cooled to room temperature and filtered. The filtration residue was washed several times with hexane, and the filtrates for several times were combined and concentrated to obtain a crude product. The crude product was purified using a silica gel column (developing solvent hexane) to obtain 21.7 g of Compound 2N as a colorless transparent liquid.
- compound 3N was synthesized using compound 2N as follows.
- the wavy line indicates that the compound having the wavy line is a geometric isomer mixture.
- * indicates that the carbon atom to which the compound is attached is an asymmetric carbon atom.
- Compound 4N was synthesized using Compound 3N as follows. (In the formula, * indicates that the carbon atom to which it is attached is an asymmetric carbon atom.)
- the obtained solid was dissolved in hexane, purified using a silica gel column (developing solvent hexane), activated carbon (2.1 g) was added to the obtained hexane solution, and the mixture was stirred at 45 ° C. for 1 hour while keeping warm.
- the obtained mixture was cooled to room temperature, filtered through a filter pre-coated with celite, the residue was washed several times with hexane, the filtrates of several times were combined and partially concentrated to obtain a hexane solution. Ethanol was added to this hexane solution and recrystallized to obtain 18.8 g of Compound 4N as a white solid.
- compound 5N was synthesized using compound 4N as follows. (In the formula, * indicates that the carbon atom to which it is attached is an asymmetric carbon atom.)
- compound 3R was synthesized using compound 2R as follows.
- the obtained organic layer is dried over magnesium sulfate, filtered, Concentration gave the crude product.
- the crude product was recrystallized with a mixed solution of toluene and methanol, and the obtained solid was dissolved in chloroform, and then purified using a silica gel column (developing solvent: toluene / hexane).
- the obtained solution was concentrated, activated carbon (3 g) was added, and the mixture was stirred at 65 ° C. for 0.5 hour while keeping warm. At that temperature, the mixture was filtered through a filter pre-coated with Celite, the residue was washed several times with toluene, and the filtrates of several times were combined and partially concentrated to obtain a toluene solution.
- N-phenyl-N- (4-tert-butyl) -2,6-dimethylphenylamine (24.3 g) and tris (dibenzylideneacetone) dipalladium ( 0) (1.99 g)
- tri-tert-butylphosphonium tetrafluoroborate (2.53 g)
- sodium tert-butoxide (12.6 g)
- the reaction solution was cooled to room temperature, poured into water, filtered through a filter pre-coated with celite, the residue was washed with toluene, the aqueous layer was separated from the filtrate, and the organic layer was washed with water.
- the obtained organic layer was concentrated to obtain a crude product.
- the crude product was purified using a silica gel column (developing solvent: hexane / toluene mixture).
- the obtained solution was concentrated and recrystallized with a mixed solution of isopropanol and toluene to obtain 30.6 g of Compound 4R as a white solid.
- compound 5R was synthesized using compound 4R as follows.
- the reaction vessel was placed under an argon stream, and Compound 1S (162 g) and trifluoroacetic acid (245 mL) were added. Trimethylsilane (115 mL) was added dropwise to the solution over 30 minutes, and the mixture was stirred overnight at room temperature. Next, the reaction solution was cooled to 10 ° C., hexane and distilled water were added, and the mixture was stirred for 1 hour. Then, the aqueous layer which was allowed to stand and separated was removed from the organic layer. Subsequently, water was added and stirred, and the aqueous layer which was allowed to stand and liquid-separated was removed from the organic layer.
- reaction vessel was placed under an argon stream, compound 2S (138 g), 1-bromooctane (75.4 mL), methyl trioctyl ammonium chloride (trade name: Aliquat® 336, manufactured by Aldrich) (1.2 g) and 40% potassium hydroxide (60 mL) was added, and the mixture was stirred at 85 ° C. overnight. Subsequently, after cooling this reaction liquid to room temperature, dichloromethane and distilled water were added, and after stirring for 1 hour, the water layer which left still and liquid-separated was removed from the organic layer. Subsequently, water was added and stirred, and the aqueous layer which was allowed to stand and liquid-separated was removed from the organic layer.
- phenylboronic acid (104.7 mg), dichlorobis (triphenylphosphine) palladium (6.1 mg) and a 20% by mass tetraethylammonium hydroxide aqueous solution (28.5 mL) were added thereto, and the mixture was further refluxed for 16 hours. .
- an aqueous sodium diethyldithiacarbamate solution was added thereto, and the mixture was stirred at 80 ° C. for 2 hours.
- the obtained mixture was cooled, then washed twice with water, twice with a 3% by mass aqueous acetic acid solution and twice with water, and the resulting solution was dropped into methanol and collected by filtration to obtain a precipitate.
- This precipitate was dissolved in toluene and purified by passing through an alumina column and a silica gel column in this order. The obtained solution was added dropwise to methanol and stirred, and then the resulting precipitate was collected by filtration and dried to obtain 6.87 g of polymer 1 (polymer light emitting material).
- the polystyrene equivalent number average molecular weight of the polymer 1 was 9.3 ⁇ 10 4
- the polystyrene equivalent weight average molecular weight was 2.1 ⁇ 10 5 .
- the theoretical value obtained from the amount ratio of the raw materials used for the polymer 1 is the following formula: And the following formula: And the following formula: In a molar ratio of 50:40:10.
- polymer 2 polymer light emitting material.
- the polystyrene equivalent number average molecular weight of the polymer 2 was 8.1 ⁇ 10 4
- polystyrene equivalent weight average molecular weight was 2.5 ⁇ 10 5 .
- the theoretical value obtained from the amount ratio of the raw materials used for the polymer 2 is the following formula: And the following formula: And the following formula: And the following formula: And the following formula: In a molar ratio of 36: 14: 40: 10.
- polymer 3 polymer light emitting material.
- the polystyrene equivalent number average molecular weight of the polymer 3 was 6.1 ⁇ 10 4
- polystyrene equivalent weight average molecular weight was 2.1 ⁇ 10 5 .
- the theoretical value obtained from the amount ratio of the raw materials used for the polymer 3 is the following formula: And the following formula: And the following formula: In a molar ratio of 36:14:50.
- phenylboronic acid (36.6 mg), dichlorobis (triphenylphosphine) palladium (2.1 mg) and a 20 mass% tetraethylammonium hydroxide aqueous solution (10 mL) were added thereto, and the mixture was further refluxed for 14 hours.
- an aqueous sodium diethyldithiacarbamate solution was added thereto, and the mixture was stirred at 80 ° C. for 2 hours.
- the obtained mixture was cooled, then washed twice with water, twice with a 3% by mass aqueous acetic acid solution and twice with water, and the resulting solution was dropped into methanol and collected by filtration to obtain a precipitate.
- the polymer 4 (polymer compound) had a polystyrene-equivalent number average molecular weight of 1.4 ⁇ 10 5 and a polystyrene-equivalent weight average molecular weight of 3.2 ⁇ 10 5 .
- phenylboronic acid (36.5 mg), dichlorobis (triphenylphosphine) palladium (2.1 mg) and a 20 mass% tetraethylammonium hydroxide aqueous solution (10 mL) were added thereto, and the mixture was further refluxed for 16.5 hours. .
- an aqueous sodium diethyldithiacarbamate solution was added thereto, and the mixture was stirred at 80 ° C. for 2 hours.
- the obtained mixture was cooled, then washed twice with water, twice with a 3% by mass aqueous acetic acid solution and twice with water, and the resulting solution was dropped into methanol and collected by filtration to obtain a precipitate.
- phenylboronic acid (37.0 mg), dichlorobis (triphenylphosphine) palladium (2.1 mg) and a 20% by mass tetraethylammonium hydroxide aqueous solution (10 mL) were added thereto, and the mixture was further refluxed for 16 hours.
- an aqueous sodium diethyldithiacarbamate solution was added thereto, and the mixture was stirred at 80 ° C. for 2 hours.
- the obtained mixture was cooled, then washed twice with water, twice with a 3% by mass aqueous acetic acid solution and twice with water, and the resulting solution was dropped into methanol and collected by filtration to obtain a precipitate.
- phenylboronic acid (24.4 mg), dichlorobis (triphenylphosphine) palladium (1.3 mg) and a 20 mass% tetraethylammonium hydroxide aqueous solution (7 mL) were added thereto, and the mixture was further refluxed for 19 hours.
- an aqueous sodium diethyldithiacarbamate solution was added thereto, and the mixture was stirred at 80 ° C. for 2 hours.
- the obtained mixture was cooled, then washed twice with water, twice with a 3% by mass aqueous acetic acid solution and twice with water, and the resulting solution was dropped into methanol and collected by filtration to obtain a precipitate.
- the obtained mixture was cooled, then washed twice with water, twice with a 3% by mass aqueous acetic acid solution and twice with water, and the resulting solution was dropped into methanol and collected by filtration to obtain a precipitate.
- This precipitate was dissolved in toluene and purified by passing through an alumina column and a silica gel column in this order.
- the obtained solution was added dropwise to methanol and stirred, and then the resulting precipitate was collected by filtration and dried to obtain 3.12 g of a polymer 9.
- the polystyrene equivalent number average molecular weight of the polymer 9 was 8.0 ⁇ 10 4
- the polystyrene equivalent weight average molecular weight was 2.6 ⁇ 10 5 .
- the polymer 9 has the following formula: And the following formula: And the following formula: And the following formula: And the following formula: In the molar ratio of 50: 30: 12.5: 7.5.
- the polymer 10 has the following formula: A structural unit 10A corresponding to Z in the formula (1) represented by the formula: And a structural unit 10B represented by the following formula: A structural unit 10C represented by the following formula: A structural unit 10D represented by the following formula: And a structural unit 10E represented by the following formula:
- the structural unit 10F corresponding to Y in the formula (1) represented by the formula (1) is a molar ratio of 50: 3: 5: 10: 22: 10, the structural unit 10A, the structural unit 10B, the structural unit 10C,
- a structural unit 11A represented by the following formula: A structural unit 11B corresponding to Z in the formula (1) represented by the formula: A structural unit 11C represented by the following formula: A structural unit 11D represented by the following formula: A structural unit 11E represented by the following formula: A structural unit 11F represented by the following formula: The structural unit 11G corresponding to Y in the formula (1) represented by the formula: at a molar ratio of 40: 10: 3: 5: 10: 22: 10, the structural unit 11A, the structural unit 11C, and the structural unit 11D, a structural unit 11E, and a structural unit 11F, a block 11X composed of five types of structural units, and a structural unit 11B and a structural unit 11G, a block 11Y composed of two types of structural units, and the block 11Y has the formula (1) It was a block type copolymer which consists only of the structural chain (n 1) represented by these.
- the theoretical value obtained from the amount ratio of the raw materials used for the polymer 12 is the following formula: And the following formula: And the following formula: And the following formula: And the following formula: And the following formula: And the following formula: In a molar ratio of 50: 10: 32: 3: 5.
- This precipitate was dissolved in toluene and purified by passing through an alumina column and a silica gel column in this order. The obtained solution was added dropwise to methanol and stirred, and then the resulting precipitate was collected by filtration and dried to obtain 1.12 g of polymer 13.
- the polystyrene equivalent number average molecular weight of the polymer 13 was 7.5 ⁇ 10 4
- the polystyrene equivalent weight average molecular weight was 2.7 ⁇ 10 5 .
- the polymer 13 has the following formula: And the following formula: And the following formula: Is a copolymer constituted by a molar ratio of 50: 45: 5.
- phenylboronic acid 122 mg
- dichlorobis triphenylphosphine
- a 20 mass% tetraethylammonium hydroxide aqueous solution 33 mL
- an aqueous sodium diethyldithiacarbamate solution was added thereto, and the mixture was stirred at 80 ° C. for 2 hours.
- the obtained mixture was cooled, washed twice with water (129 mL), twice with 3% by mass acetic acid aqueous solution (129 mL) and twice with water (129 mL), and the resulting solution was added dropwise to methanol (1560 mL).
- a precipitate was obtained by filtration. This precipitate was dissolved in toluene (320 mL) and purified by passing through an alumina column and a silica gel column in this order.
- the obtained solution was added dropwise to methanol (1560 mL) and stirred, and then the resulting precipitate was collected by filtration and dried to obtain 6.4 g of polymer 14 (polymer compound).
- the polystyrene equivalent number average molecular weight of the polymer 14 was 6.9 ⁇ 10 4
- the polystyrene equivalent weight average molecular weight was 2.1 ⁇ 10 5 .
- the theoretical value obtained from the amount ratio of the raw materials used for the polymer 14 is the following formula:
- phenylboronic acid (30.5 mg), dichlorobis (tris-o-methoxyphenylphosphine) palladium (2.2 mg) and 20% by mass tetraethylammonium hydroxide aqueous solution (8.3 mL) were added thereto, and further 12 Reflux for hours.
- an aqueous sodium diethyldithiacarbamate solution was added thereto, and the mixture was stirred at 80 ° C. for 2 hours.
- the obtained mixture was cooled, then washed twice with water (18 mL), twice with a 3% by mass aqueous acetic acid solution (18 mL) and twice with water (18 mL), and the obtained solution was added dropwise to methanol (253 mL).
- a precipitate was obtained by filtration. This precipitate was dissolved in toluene (52 mL) and purified by passing through an alumina column and a silica gel column in this order.
- the obtained solution was added dropwise to methanol (253 mL) and stirred, and then the resulting precipitate was collected by filtration and dried to obtain 6.4 g of polymer 15 (polymer compound).
- the polystyrene equivalent number average molecular weight of the polymer 15 was 1.2 ⁇ 10 5
- the polystyrene equivalent weight average molecular weight was 4.8 ⁇ 10 5 .
- phenylboronic acid 37 mg
- dichlorobis tris-o-methoxyphenylphosphine
- palladium 2.7 mg
- a 20 mass% tetraethylammonium hydroxide aqueous solution 10 mL
- an aqueous sodium diethyldithiacarbamate solution was added thereto, and the mixture was stirred at 80 ° C. for 2 hours.
- the obtained mixture was cooled, then washed twice with water (30 mL), twice with a 3% by mass aqueous acetic acid solution (30 mL) and twice with water (30 mL), and the obtained solution was added dropwise to methanol (360 mL).
- a precipitate was obtained by filtration. This precipitate was dissolved in toluene (123 mL) and purified by passing through an alumina column and a silica gel column in this order.
- the obtained solution was added dropwise to methanol (360 mL) and stirred, and then the resulting precipitate was collected by filtration and dried to obtain 1.37 g of polymer 16 (polymer compound).
- the polystyrene equivalent number average molecular weight of the polymer 16 was 9.4 ⁇ 10 4
- the polystyrene equivalent weight average molecular weight was 2.6 ⁇ 10 5 .
- phenylboronic acid 37 mg
- dichlorobis tris-o-methoxyphenylphosphine
- palladium 2.7 mg
- a 20 mass% tetraethylammonium hydroxide aqueous solution 10 mL
- an aqueous sodium diethyldithiacarbamate solution was added thereto, and the mixture was stirred at 80 ° C. for 2 hours.
- the obtained mixture was cooled, then washed twice with water (27 mL), twice with a 3% by mass aqueous acetic acid solution (27 mL) and twice with water (27 mL), and the obtained solution was added dropwise to methanol (323 mL).
- a precipitate was obtained by filtration. This precipitate was dissolved in toluene (199 mL) and purified by passing through an alumina column and a silica gel column in this order.
- the obtained solution was added dropwise to methanol (323 mL) and stirred, and then the resulting precipitate was collected by filtration and dried to obtain 1.60 g of polymer 17 (polymer compound).
- the polystyrene equivalent number average molecular weight of the polymer 17 was 4.4 ⁇ 10 4
- the polystyrene equivalent weight average molecular weight was 2.9 ⁇ 10 5 .
- phenylboronic acid 31 mg
- dichlorobis tris-o-methoxyphenylphosphine
- 20% by mass tetraethylammonium hydroxide aqueous solution 8.3 mL
- an aqueous sodium diethyldithiacarbamate solution was added thereto, and the mixture was stirred at 80 ° C. for 2 hours.
- the obtained mixture was cooled, then washed twice with water (24 mL), twice with a 3% by mass aqueous acetic acid solution (24 mL) and twice with water (24 mL), and the resulting solution was added dropwise to methanol (292 mL).
- a precipitate was obtained by filtration. This precipitate was dissolved in toluene (120 mL) and purified by passing through an alumina column and a silica gel column in this order.
- the obtained solution was added dropwise to methanol (292 mL) and stirred, and then the resulting precipitate was collected by filtration and dried to obtain 1.25 g of polymer 19 (polymer compound).
- the polystyrene equivalent number average molecular weight of the polymer 19 was 7.0 ⁇ 10 4
- the polystyrene equivalent weight average molecular weight was 8.0 ⁇ 10 5 .
- phenylboronic acid 31 mg
- dichlorobis tris-o-methoxyphenylphosphine
- 20% by mass tetraethylammonium hydroxide aqueous solution 8.3 mL
- an aqueous sodium diethyldithiacarbamate solution was added thereto, and the mixture was stirred at 80 ° C. for 2 hours.
- the obtained mixture was cooled, then washed twice with water (25 mL), twice with a 3% by mass aqueous acetic acid solution (25 mL) and twice with water (25 mL), and the resulting solution was added dropwise to methanol (303 mL).
- a precipitate was obtained by filtration. This precipitate was dissolved in toluene (124 mL) and purified by passing through an alumina column and a silica gel column in this order.
- the obtained solution was added dropwise to methanol (673 mL) and stirred, and then the resulting precipitate was collected by filtration and dried to obtain 1.36 g of polymer 20 (polymer compound).
- the polystyrene equivalent number average molecular weight of the polymer 20 was 7.5 ⁇ 10 4
- the polystyrene equivalent weight average molecular weight was 3.0 ⁇ 10 5 .
- phenylboronic acid 31 mg
- dichlorobis tris-o-methoxyphenylphosphine
- 20% by mass tetraethylammonium hydroxide aqueous solution 8.3 mL
- an aqueous sodium diethyldithiacarbamate solution was added thereto, and the mixture was stirred at 80 ° C. for 2 hours.
- phenylboronic acid (128 mg), dichlorobis (tris-o-methoxyphenylphosphine) palladium (9.3 mg) and 20% by mass tetraethylammonium hydroxide aqueous solution (35 mL) were added thereto, and the mixture was further refluxed for 20 hours. .
- an aqueous sodium diethyldithiacarbamate solution was added thereto, and the mixture was stirred at 80 ° C. for 2 hours.
- the obtained mixture was cooled, then washed twice with water (96 mL), twice with a 3% by mass aqueous acetic acid solution (96 mL) and twice with water (96 mL), and the resulting solution was added dropwise to methanol (1158 mL).
- a precipitate was obtained by filtration. This precipitate was dissolved in toluene (237 mL) and purified by passing through an alumina column and a silica gel column in this order.
- the obtained solution was added dropwise to methanol (1158 mL) and stirred, and then the resulting precipitate was collected by filtration and dried to obtain 5.0 g of polymer 22 (polymer compound).
- the polystyrene equivalent number average molecular weight of the polymer 22 was 7.0 ⁇ 10 4
- the polystyrene equivalent weight average molecular weight was 2.6 ⁇ 10 5 .
- the theoretical value obtained from the amount ratio of the raw materials used for the polymer 23 is the following formula: A structural unit 23A corresponding to Z in the formula (1) represented by the formula: And a structural unit 23B represented by the following formula: A structural unit 23C represented by the following formula: A structural unit 23D represented by the following formula: The structural unit 23E corresponding to Y in the formula (1) represented by the formula is represented by a molar ratio of 50/30 / 7.5 / 2.5 / 10, and the structural unit 23A, the structural unit 23B, and the structural unit
- the block 23X includes four types of structural units 23C and 23D, and the block 23Y includes two types of structural units 23A and 23E.
- phenylboric acid 25 mg
- 20 mass% tetraethylammonium hydroxide aqueous solution 7.5 mL
- dichlorobis tris-o-methoxyphenylphosphine
- palladium 1.8 mg
- toluene 5 mL
- the mixture was refluxed for 17 hours.
- an aqueous sodium diethyldithiacarbamate solution was added thereto, and the mixture was stirred at 80 ° C. for 2 hours.
- the polymer 24 has the following formula: And the following formula: And the following formula: And the following formula: And the following formula: And the following formula: Is a copolymer constituted by a molar ratio of 50: 42: 3: 5.
- phenylboronic acid (31 mg), dichlorobis (tris-o-methoxyphenylphosphine) palladium (2.2 mg) and a 20 mass% tetraethylammonium hydroxide aqueous solution (8.3 mL) were added thereto, and the mixture was further refluxed for 12 hours. I let you. Next, an aqueous sodium diethyldithiacarbamate solution was added thereto, and the mixture was stirred at 80 ° C. for 2 hours.
- the obtained mixture was cooled, then washed twice with water (32 mL), twice with a 3% by mass aqueous acetic acid solution (32 mL) and twice with water (32 mL), and the obtained solution was added dropwise to methanol (380 mL).
- a precipitate was obtained by filtration. This precipitate was dissolved in toluene (78 mL) and purified by passing through an alumina column and a silica gel column in this order.
- the obtained solution was added dropwise to methanol (380 mL) and stirred, and then the resulting precipitate was collected by filtration and dried to obtain 1.61 g of polymer 25.
- the polystyrene equivalent number average molecular weight of the polymer 25 was 8.6 ⁇ 10 4
- the polystyrene equivalent weight average molecular weight was 2.4 ⁇ 10 5 .
- the theoretical value obtained from the amount ratio of the raw materials used for the polymer 25 is as follows: And the following formula: And the following formula: And the following formula: And the following formula: And a copolymer having a molar ratio of 50/44/5/1.
- phenylboronic acid 24 mg
- dichlorobis triphenylphosphine
- a 20 mass% tetraethylammonium hydroxide aqueous solution 6.7 mL
- an aqueous sodium diethyldithiacarbamate solution was added thereto, and the mixture was stirred at 80 ° C. for 2 hours.
- the obtained mixture was cooled, then washed twice with water (25 mL), twice with a 3% by mass aqueous acetic acid solution (25 mL) and twice with water (25 mL), and the resulting solution was added dropwise to methanol (303 mL).
- a precipitate was obtained by filtration. This precipitate was dissolved in toluene (75 mL) and purified by passing through an alumina column and a silica gel column in this order.
- the obtained solution was added dropwise to methanol (303 mL) and stirred, and then the resulting precipitate was collected by filtration and dried to obtain 1.08 g of polymer 26.
- the number average molecular weight in terms of polystyrene of the polymer 26 was 8.9 ⁇ 10 4
- the weight average molecular weight in terms of polystyrene was 2.3 ⁇ 10 5 .
- the polymer 26 has the following formula in terms of a theoretical value obtained from the amount ratio of the raw materials used: And the following formula: And the following formula: And a copolymer having a molar ratio of 50/44/6.
- the obtained mixture was cooled, washed twice with water (43 mL), twice with a 3% by mass aqueous acetic acid solution (43 mL) and twice with water (43 mL), and the resulting solution was added dropwise to methanol (514 mL).
- a precipitate was obtained by filtration. This precipitate was dissolved in toluene (105 mL) and purified by passing through an alumina column and a silica gel column in this order.
- the obtained solution was added dropwise to methanol (514 mL) and stirred, and then the resulting precipitate was collected by filtration and dried to obtain 1.78 g of polymer 27.
- the polystyrene equivalent number average molecular weight of the polymer 27 was 7.7 ⁇ 10 4 , and the polystyrene equivalent weight average molecular weight was 2.3 ⁇ 10 5 .
- the polymer 27 has the following formula: And the following formula: And the following formula: And the following formula: And the following formula: And the following formula: And the following formula: And the following formula: And the following formula: In a molar ratio of 40/10/32/3/5/10.
- phenylboronic acid (24.4 mg), dichlorobis (triphenylphosphine) palladium (1.4 mg) and 20% by mass tetraethylammonium hydroxide aqueous solution (6.6 mL) were added thereto, and the mixture was further refluxed for 20 hours. .
- dichlorobis triphenylphosphine
- 20% by mass tetraethylammonium hydroxide aqueous solution 6.6 mL
- an aqueous sodium diethyldithiacarbamate solution was added thereto, and the mixture was stirred at 80 ° C. for 2 hours.
- the obtained mixture was cooled, then washed twice with water (26 mL), twice with a 3% by mass aqueous acetic acid solution (26 mL) and twice with water (26 mL), and the resulting solution was added dropwise to methanol (311 mL).
- a precipitate was obtained by filtration. This precipitate was dissolved in toluene (63 mL) and purified by passing through an alumina column and a silica gel column in this order.
- the obtained solution was added dropwise to methanol (311 mL) and stirred, and then the resulting precipitate was collected by filtration and dried to obtain 1.74 g of polymer 28.
- the polystyrene equivalent number average molecular weight of the polymer 28 was 1.1 ⁇ 10 5
- the polystyrene equivalent weight average molecular weight was 3.7 ⁇ 10 5 .
- the theoretical value obtained from the amount ratio of the raw materials used for the polymer 28 is as follows: And the following formula: And a copolymer having a molar ratio of 70/30.
- phenylboronic acid (24.4 mg), dichlorobis (tris-o-methoxyphenylphosphine) palladium (1.8 mg) and 20% by mass tetraethylammonium hydroxide aqueous solution (6.7 mL) were added thereto, and further 12 Reflux for hours.
- dichlorobis tris-o-methoxyphenylphosphine
- tetraethylammonium hydroxide aqueous solution 6.7 mL
- an aqueous sodium diethyldithiacarbamate solution was added thereto, and the mixture was stirred at 80 ° C. for 2 hours.
- the obtained mixture was cooled, then washed twice with water (31 mL), twice with a 3% by mass aqueous acetic acid solution (31 mL) and twice with water (31 mL), and the obtained solution was added dropwise to methanol (376 mL).
- a precipitate was obtained by filtration. This precipitate was dissolved in toluene (77 mL) and purified by passing through an alumina column and a silica gel column in this order.
- the obtained solution was added dropwise to methanol (376 mL) and stirred, and then the resulting precipitate was collected by filtration and dried to obtain 1.67 g of polymer 29.
- the polystyrene equivalent number average molecular weight of the polymer 29 was 6.1 ⁇ 10 4
- the polystyrene equivalent weight average molecular weight was 2.4 ⁇ 10 5 .
- the polymer 29 has the following formula: And the following formula: And a copolymer having a molar ratio of 80/20.
- phenylboronic acid (24.4 mg), dichlorobis (triphenylphosphine) palladium (1.4 mg) and 20% by mass tetraethylammonium hydroxide aqueous solution (6.6 mL) were added thereto, and the mixture was further refluxed for 20 hours. .
- dichlorobis triphenylphosphine
- 20% by mass tetraethylammonium hydroxide aqueous solution 6.6 mL
- an aqueous sodium diethyldithiacarbamate solution was added thereto, and the mixture was stirred at 80 ° C. for 2 hours.
- the obtained mixture was cooled, then washed twice with water (26 mL), twice with a 3% by mass aqueous acetic acid solution (26 mL) and twice with water (26 mL), and the resulting solution was added dropwise to methanol (311 mL).
- a precipitate was obtained by filtration. This precipitate was dissolved in toluene (63 mL) and purified by passing through an alumina column and a silica gel column in this order.
- the obtained solution was added dropwise to methanol (311 mL) and stirred, and then the resulting precipitate was collected by filtration and dried to obtain 2.07 g of Polymer 30.
- the polystyrene equivalent number average molecular weight of the polymer 30 was 1.1 ⁇ 10 5
- the polystyrene equivalent weight average molecular weight was 3.4 ⁇ 10 5 .
- the theoretical value obtained from the amount ratio of the raw materials used for the polymer 30 is the following formula: And the following formula: And a copolymer having a molar ratio of 90/10.
- Example 1 Production and evaluation of organic EL element 1> AQ-1200 (manufactured by Plextronics), a polythiophene / sulfonic acid-based hole injecting agent, was formed on a glass substrate with an ITO film having a thickness of 45 nm by sputtering to a thickness of 50 nm by spin coating. The substrate was dried at 170 ° C. for 15 minutes on the plate to prepare an organic EL substrate.
- AQ-1200 manufactured by Plextronics
- ITO film having a thickness of 45 nm by sputtering to a thickness of 50 nm by spin coating.
- the substrate was dried at 170 ° C. for 15 minutes on the plate to prepare an organic EL substrate.
- a hole transporting polymer (polymer 9) solution dissolved in a xylene solvent at a concentration of 0.7% by mass was spin-coated to form a film having a thickness of about 20 nm. Then, it heat-processed for 60 minutes at 180 degreeC on the hotplate in nitrogen atmosphere.
- Composition 1 was deposited on the organic EL substrate at a rotational speed of 1200 rpm by a spin coating method. The thickness was about 60 nm. After drying this at 130 ° C. for 10 minutes under a nitrogen atmosphere, about 3 nm of sodium fluoride and then about 80 nm of aluminum were vapor-deposited as a cathode, and the organic EL device 1 was produced. Note that metal deposition was started after the degree of vacuum reached 1 ⁇ 10 ⁇ 4 Pa or less.
- the organic EL element 1 obtained as described above was driven at a constant current after setting the current value so that the initial luminance was 5000 cd / m 2, and the change in luminance with time was measured. As a result, the luminance was reduced by half after 136 hours.
- Example 2 Production and evaluation of organic EL element 2>
- the organic EL element 2 was produced in the same manner as in Example 1 except that the composition 2 was prepared by mixing in the same manner.
- voltage was applied to the obtained organic EL device 2 EL light emission having a peak at 460 nm mainly derived from the polymer 1 was obtained from this device. The device started to emit light at 2.9 V, and the maximum light emission efficiency was 8.23 cd / A.
- the organic EL element 2 obtained above was set to have a current value so that the initial luminance was 5000 cd / m 2 , then was driven with a constant current, and the change in luminance with time was measured. As a result, the luminance was reduced by half after 109 hours.
- Example 3 Production and evaluation of organic EL element 3>
- the organic EL element 3 was produced in the same manner as in Example 1 except that the composition 3 was prepared by mixing in the same manner.
- voltage was applied to the obtained organic EL device 3 EL light emission having a peak at 460 nm mainly derived from the polymer 1 was obtained from this device. The device started to emit light at 2.9 V, and the maximum light emission efficiency was 8.70 cd / A.
- the organic EL element 3 obtained as described above was driven with a constant current after setting the current value so that the initial luminance was 5000 cd / m 2, and the change in luminance with time was measured. As a result, the luminance was reduced by half after 123 hours.
- Example 4 Production and evaluation of organic EL element 4>
- the organic EL element 4 was produced in the same manner as in Example 1 except that the composition 4 was prepared by mixing in the same manner.
- voltage was applied to the obtained organic EL device 4 EL light emission having a peak at 460 nm mainly derived from the polymer 1 was obtained from this device. The device started to emit light at 2.9 V, and the maximum light emission efficiency was 10.34 cd / A.
- the organic EL element 4 obtained as described above was driven with a constant current after setting the current value so that the initial luminance was 5000 cd / m 2, and the change in luminance with time was measured. As a result, the luminance was reduced by half after 100 hours.
- Example 5 Production and evaluation of organic EL element 5>
- an organic EL device 5 was produced in the same manner as in Example 1 except that the composition 5 was used.
- EL light emission having a peak at 460 nm mainly derived from the polymer 1 was obtained from this device.
- the device started to emit light at 2.9 V, and the maximum light emission efficiency was 8.13 cd / A.
- the organic EL element 5 obtained as described above was driven with a constant current after setting the current value so that the initial luminance was 5000 cd / m 2, and the change in luminance with time was measured. As a result, the luminance was reduced by half after 137 hours.
- Example 6 Production and evaluation of organic EL element 6>
- an organic EL device 6 was prepared in the same manner as in Example 1 except that a solution of the polymer 10 dissolved in a xylene solvent at a concentration of 1.2% by mass was prepared. Produced. When voltage was applied to the obtained organic EL device 6, EL light emission having a peak at 460 nm mainly derived from the block 10X in the polymer 10 was obtained from this device. The device started to emit light at 2.9 V, and the maximum light emission efficiency was 11.45 cd / A.
- the organic EL element 6 obtained above was set to have a current value so that the initial luminance was 5000 cd / m 2 , then was driven with a constant current, and the change in luminance with time was measured. As a result, the luminance was reduced by half after 154 hours.
- Example 7 Production and evaluation of organic EL element 7>
- the organic EL device 7 was prepared in the same manner as in Example 1 except that a solution of the polymer 11 dissolved in a xylene solvent at a concentration of 1.2% by mass was prepared. Produced. When voltage was applied to the obtained organic EL device 7, EL light emission having a peak at 460 nm mainly derived from the block 11X in the polymer 11 was obtained from this device. The device started to emit light at 2.9 V, and the maximum light emission efficiency was 11.70 cd / A.
- the organic EL element 7 obtained as described above was driven with a constant current after setting the current value so that the initial luminance was 5000 cd / m 2, and the change in luminance with time was measured. As a result, the luminance was reduced by half after 192 hours.
- the organic EL element C1 obtained above was set to have a current value so that the initial luminance was 5000 cd / m 2 , then was driven with a constant current, and the change in luminance with time was measured. As a result, the luminance was reduced by half after 74 hours.
- ⁇ Comparative example 2 Production and evaluation of organic EL element C2>
- an organic EL device C2 was prepared in the same manner as in Example 1 except that a solution of the polymer 12 dissolved in a xylene solvent at a concentration of 1.2% by mass was prepared. Produced. When voltage was applied to the obtained organic EL device C2, EL light emission having a peak at 460 nm derived from the polymer 12 was obtained from this device. The device started to emit light at 2.9 V, and the maximum light emission efficiency was 10.33 cd / A.
- the organic EL element C2 obtained as described above was driven at a constant current after setting the current value so that the initial luminance was 5000 cd / m 2, and the change in luminance with time was measured. As a result, the luminance was reduced by half after 84 hours.
- Table 1 shows the results of Examples 1 to 7 and Comparative Examples 1 and 2 described above.
- Example 8 Production and evaluation of organic EL element 8>
- the composition 8 was prepared by mixing as described above.
- the composition 8 was formed on the organic EL substrate at a rotational speed of 1500 rpm by a spin coating method. The thickness was about 60 nm. This was dried at 130 ° C. for 10 minutes in a nitrogen atmosphere, and then sodium fluoride was deposited as a cathode at about 3 nm, and then aluminum was deposited at about 80 nm to produce an organic EL device 8. The metal deposition was started after the degree of vacuum reached 1 ⁇ 10 ⁇ 5 Pa or less.
- the organic EL element 8 obtained as described above was driven at a constant current after setting the current value so that the initial luminance was 5000 cd / m 2, and the change in luminance with time was measured. As a result, the luminance half time was 105 hours.
- Example 9 Production and evaluation of organic EL element 9>
- An organic EL device 8 was produced in the same manner as in Example 8 except that the composition 9 was prepared by mixing as described above.
- the organic EL element 8 obtained as described above was driven at a constant current after setting the current value so that the initial luminance was 5000 cd / m 2, and the change in luminance with time was measured. As a result, the luminance half time was 158 hours.
- Example 10 Production and evaluation of organic EL element 10>
- An organic EL device 10 was produced in the same manner as in Example 8 except that the composition 10 was prepared by mixing as described above.
- the organic EL element 10 obtained as described above was driven at a constant current after setting the current value so that the initial luminance was 5000 cd / m 2, and the change in luminance with time was measured. As a result, the luminance half time was 124 hours.
- Example 11 Production and evaluation of organic EL element 11>
- An organic EL device 11 was produced in the same manner as in Example 8 except that the composition 11 was prepared by mixing as described above.
- the organic EL element 11 obtained above was set to have a current value so that the initial luminance was 5000 cd / m 2 , then was driven with a constant current, and the change in luminance with time was measured. As a result, the luminance half time was 111 hours.
- Example 12 Production and evaluation of organic EL element 12>
- An organic EL device 12 was produced in the same manner as in Example 8 except that the composition 12 was prepared by mixing as described above.
- the organic EL element 12 obtained above was set to have a current value so that the initial luminance was 5000 cd / m 2 , then was driven with a constant current, and the change in luminance with time was measured. As a result, the luminance half time was 101 hours.
- Example 13 Production and evaluation of organic EL element 13>
- An organic EL device 13 was produced in the same manner as in Example 8 except that the composition 13 was prepared by mixing as described above.
- the organic EL element 13 obtained as described above was driven with a constant current after setting the current value so that the initial luminance was 5000 cd / m 2, and the change in luminance with time was measured. As a result, the luminance half time was 137 hours.
- Example 14 Production and evaluation of organic EL element 14>
- An organic EL device 14 was produced in the same manner as in Example 8 except that the composition 14 was prepared by mixing as described above.
- the organic EL element 14 obtained above was set to have a current value so that the initial luminance was 5000 cd / m 2 , then was driven with a constant current, and the change in luminance with time was measured. As a result, the luminance half time was 124 hours.
- Example 15 Production and evaluation of organic EL element 15>
- An organic EL device 15 was produced in the same manner as in Example 8 except that the composition 15 was prepared by mixing as described above. When voltage was applied to the obtained organic EL element 15, EL light emission having a peak at 460 nm mainly derived from the polymer 1 was obtained from this element. The device started to emit light at 2.7 V, and the maximum light emission efficiency was 9.56 cd / A.
- the organic EL element 15 obtained above was set to a current value so that the initial luminance was 5000 cd / m 2, and then was driven with a constant current, and the change in luminance with time was measured. As a result, the luminance half time was 126 hours.
- Example 16 Production and evaluation of organic EL element 16>
- An organic EL device 16 was produced in the same manner as in Example 8 except that the composition 16 was prepared by mixing as described above.
- the organic EL element 16 obtained above was set to a current value so that the initial luminance was 5000 cd / m 2, and then was driven with a constant current, and the change in luminance with time was measured. As a result, the luminance half time was 103 hours.
- Example 17 Production and evaluation of organic EL element 17>
- a solution of the polymer 1 dissolved in the chlorobenzene solvent at a concentration of 0.9% by mass and a polymer dissolved in the chlorobenzene solvent at a concentration of 0.9% by mass 2 solution a solution of polymer 3 dissolved in chlorobenzene solvent at a concentration of 0.9% by mass, and a solution of polymer 5 dissolved in chlorobenzene solvent at a concentration of 0.9% by mass.
- An organic EL element 17 was produced.
- the organic EL element 17 obtained above was set to a current value so that the initial luminance was 5000 cd / m 2 , then was driven with a constant current, and the change in luminance with time was measured. As a result, the luminance half time was 79 hours.
- Example 18 Production and evaluation of organic EL element 18>
- a solution of the polymer 1 dissolved in the chlorobenzene solvent at a concentration of 0.9% by mass and a polymer dissolved in the chlorobenzene solvent at a concentration of 0.9% by mass 2 solution a solution of polymer 3 dissolved in chlorobenzene solvent at a concentration of 0.9% by mass, and a solution of polymer 5 dissolved in chlorobenzene solvent at a concentration of 0.9% by mass.
- An organic EL element 18 was produced.
- the organic EL element 18 obtained above was set to have a current value so that the initial luminance was 5000 cd / m 2 , then was driven with a constant current, and the change in luminance with time was measured. As a result, the luminance half time was 105 hours.
- Example 19 Production and evaluation of organic EL element 19>
- a solution of the polymer 1 dissolved in the chlorobenzene solvent at a concentration of 0.9% by mass and a polymer dissolved in the chlorobenzene solvent at a concentration of 0.9% by mass 2 solution a solution of polymer 3 dissolved in chlorobenzene solvent at a concentration of 0.9% by mass, and a solution of polymer 5 dissolved in chlorobenzene solvent at a concentration of 0.9% by mass.
- An organic EL element 19 was produced.
- the organic EL element 19 obtained as described above was driven with a constant current after setting the current value so that the initial luminance was 5000 cd / m 2, and the change in luminance with time was measured. As a result, the luminance half time was 115 hours.
- Example 20 Production and evaluation of organic EL element 20>
- a solution of the polymer 1 dissolved in the chlorobenzene solvent at a concentration of 0.9% by mass and a polymer dissolved in the chlorobenzene solvent at a concentration of 0.9% by mass 2 solution a solution of polymer 3 dissolved in chlorobenzene solvent at a concentration of 0.9% by mass, and a solution of polymer 5 dissolved in chlorobenzene solvent at a concentration of 0.9% by mass.
- the organic EL element 20 obtained as described above was driven with a constant current after setting the current value so that the initial luminance was 5000 cd / m 2, and the change in luminance with time was measured. As a result, the luminance half time was 138 hours.
- Example 21 Production and evaluation of organic EL element 21>
- the polymer 23 was used instead of the polymer 9, and the composition 6 of Comparative Example 1 (polymer 1: polymer 2: polymer) was substituted for the composition 8 in Example 8.
- voltage was applied to the obtained organic EL device 21
- EL light emission having a peak at 460 nm mainly derived from the polymer 1 was obtained from this device.
- the device started to emit light at 2.7 V, and the maximum light emission efficiency was 9.83 cd / A.
- the organic EL element 21 obtained as described above was driven with a constant current after setting the current value so that the initial luminance was 5000 cd / m 2, and the change in luminance with time was measured. As a result, the luminance half time was 107 hours.
- the organic EL element 22 obtained above was set to have a current value so that the initial luminance was 5000 cd / m 2 , then was driven with a constant current, and the change in luminance with time was measured. As a result, the luminance half time was 199 hours.
- EL light emission having a peak at 445 nm mainly derived from the polymer 26 was obtained from this device. The device started to emit light at 2.7 V, and the maximum light emission efficiency was 6.29 cd / A.
- the organic EL element 23 obtained above was set to have a current value so that the initial luminance was 5000 cd / m 2 , then was driven with a constant current, and the change in luminance with time was measured. As a result, the luminance half time was 86 hours.
- Example 24 Production and evaluation of organic EL element 24>
- voltage was applied to the obtained organic EL element 24 EL light emission having a peak at 465 nm mainly derived from the polymer 13 was obtained from this element. The device started to emit light at 2.6 V, and the maximum luminous efficiency was 11.1 cd / A.
- the organic EL element 24 obtained above was set to a current value so that the initial luminance was 5000 cd / m 2 , then was driven with a constant current, and the change in luminance with time was measured. As a result, the luminance half time was 360 hours.
- Example 25 Production and evaluation of organic EL element 25>
- voltage was applied to the obtained organic EL element 25 EL light emission having a peak at 460 nm mainly derived from the polymer 24 was obtained from this element. The device started to emit light at 2.6 V, and the maximum light emission efficiency was 10.0 cd / A.
- the organic EL element 25 obtained above was set to have a current value so that the initial luminance was 5000 cd / m 2 , then was driven with a constant current, and the change in luminance with time was measured. As a result, the luminance half time was 188 hours.
- the organic EL element C3 obtained above was set to have a current value so that the initial luminance was 5000 cd / m 2 , then was driven with a constant current, and the change in luminance with time was measured. As a result, the luminance half time was 33 hours.
- the organic EL element C4 obtained above was set to have a current value so that the initial luminance was 5000 cd / m 2 , then was driven with a constant current, and the change in luminance with time was measured. As a result, the luminance half time was 58 hours.
- the organic EL element C5 obtained above was set to have a current value so that the initial luminance was 5000 cd / m 2 , then was driven with a constant current, and the change in luminance with time was measured. As a result, the luminance half time was 47 hours.
- the organic EL element C6 obtained above was set to have a current value so that the initial luminance was 5000 cd / m 2 , then was driven with a constant current, and the change in luminance with time was measured. As a result, the luminance half time was 56 hours.
- the organic EL element C7 obtained above was set to a current value so that the initial luminance was 5000 cd / m 2 , then was driven with a constant current, and the change in luminance with time was measured. As a result, the luminance half time was 78 hours.
- the organic EL element C8 obtained above was set to a current value so that the initial luminance was 5000 cd / m 2 , then was driven with a constant current, and the change in luminance with time was measured. As a result, the luminance half time was 23 hours.
- ⁇ Comparative Example 9 Production and evaluation of organic EL device C9> Instead of the composition 8 in Example 8, the organic EL device C9 was prepared in the same manner as in Example 8 except that a solution of the polymer 13 dissolved in a chlorobenzene solvent at a concentration of 0.9% by mass was prepared. Produced.
- the organic EL element C9 obtained above was set to have a current value so that the initial luminance was 5000 cd / m 2 , then was driven with a constant current, and the change in luminance with time was measured. As a result, the luminance half time was 153 hours.
- ⁇ Comparative Example 10 Production and evaluation of organic EL device C10> In place of the composition 8 in Example 8, the organic EL device C10 was prepared in the same manner as in Example 8 except that a solution of the polymer 24 dissolved in a chlorobenzene solvent at a concentration of 0.9% by mass was prepared. Produced.
- the organic EL device C10 obtained above was set to have a current value so that the initial luminance was 5000 cd / m 2 , then was driven with a constant current, and the change in luminance with time was measured. As a result, the luminance half time was 80 hours.
- Table 4 shows the results of Comparative Examples 3 to 8 below.
- the results of Examples 8 to 25 are shown in Tables 2 and 3.
- the results of Comparative Examples 3 to 10 are shown in Table 4.
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Abstract
Description
-[-(Y)n-Z-]m- (1)
[式中、Yは、下記一般式(Y-1)又は(Y-2)で表される構造から水素原子を2個除いた2価の基を示す。Zは、下記一般式(Z-1)、(Z-2)、(Z-3)、(Z-4)、(Z-5)、(Z-6)、(Z-7)又は(Z-8)で表される構造から水素原子を2個除いた2価の基を示す。mは4~10000の整数、nは1~3の整数を示す。複数あるY、Z及びnは、各々、同一であっても異なっていてもよい。
なお、Y及びZが有する水素原子は、R’で置換されていてもよく、R’は、それぞれ独立に、カルボキシル基、ニトロ基、シアノ基、アルキル基、アルコキシ基、アルキルチオ基、アリール基、アリールオキシ基、アリールチオ基、アルケニル基、アルキニル基、アミノ基、シリル基、アシル基、アシルオキシ基、イミン残基、アミド化合物残基、酸イミド残基、1価の複素環基及び1価の複素環チオ基からなる群より選ばれる官能基、又はハロゲン原子を示す。R’が複数ある場合、それらは同一であっても異なっていてもよく、複数のR’が互いに結合して環構造を形成していてもよい。前記官能基が有する水素原子は置換基で更に置換されていてもよい。]
RXは、カルボキシル基、ニトロ基、シアノ基、アルキル基、アルコキシ基、アルキルチオ基、アリール基、アリールオキシ基、アリールチオ基、アルケニル基、アルキニル基、アミノ基、シリル基、アシル基、アシルオキシ基、イミン残基、アミド化合物残基、酸イミド残基、1価の複素環基及び1価の複素環チオ基からなる群より選ばれる官能基、又は水素原子若しくはハロゲン原子を示す。複数あるRXは、同一であっても異なっていてもよく、複数のRXは互いに結合して環構造を形成していてもよい。前記官能基が有する水素原子は置換基で更に置換されていてもよい。]
高分子化合物には、上記Yで表される基及び上記Zで表される基が縮合重合により導入されており、Yで表される基及びZで表される基とは相違する任意追加基が縮合重合により導入されていてもよく、
高分子化合物における、Y、Z及び任意追加基のモル数をそれぞれNY、NZ及びNMとしたときに、NY、NZ及びNMが下記式(2)を満たすことが好ましい。
30≦NY×100/(NY+NZ+NM)≦75 (2)
高分子化合物には、上記Yで表される基及び上記Zで表される基が縮合重合により導入されており、Yで表される基及びZで表される基とは相違する任意追加基が縮合重合により導入されていてもよく、
高分子化合物における、Y、Z及び任意追加基のモル数をそれぞれNY、NZ及びNMとし、発光材料における、縮合重合により導入される発光材料を構成する化学構造のモル数をNLとしたときに、NY、NZ、NM及びNLが下記式(3)を満たすことが好ましい。
高分子化合物中のYの数が下記式(2)又は(3)を満たすとき、発光効率が向上する傾向にある。
0.5≦NY×100/(NY+NZ+NM+NL)≦37.5 (3)
-[-(Y)n-Z-]m- (1)
[式中、Yは、下記一般式(Y-1)又は(Y-2)で表される構造から水素原子を2個除いた2価の基を示す。Zは、下記一般式(Z-1)、(Z-2)、(Z-3)、(Z-4)、(Z-5)、(Z-6)、(Z-7)又は(Z-8)で表される構造から水素原子を2個除いた2価の基を示す。mは4~10000の整数、nは1~3の整数を示す。複数あるY、Z及びnは、各々、同一であっても異なっていてもよい。
Y及びZが有する水素原子は、R’で置換されていてもよく、R’は、カルボキシル基、ニトロ基、シアノ基、アルキル基、アルコキシ基、アルキルチオ基、アリール基、アリールオキシ基、アリールチオ基、アルケニル基、アルキニル基、アミノ基、シリル基、アシル基、アシルオキシ基、イミン残基、アミド化合物残基、酸イミド残基、1価の複素環基及び1価の複素環チオ基からなる群より選ばれる官能基、又はハロゲン原子を示す。R’が複数ある場合、それらは同一であっても異なっていてもよく、複数のR’が互いに結合して環構造を形成していてもよい。前記官能基が有する水素原子は置換基で更に置換されていてもよい。]
RXは、カルボキシル基、ニトロ基、シアノ基、アルキル基、アルコキシ基、アルキルチオ基、アリール基、アリールオキシ基、アリールチオ基、アルケニル基、アルキニル基、アミノ基、シリル基、アシル基、アシルオキシ基、イミン残基、アミド化合物残基、酸イミド残基、1価の複素環基及び1価の複素環チオ基からなる群より選ばれる官能基、又は水素原子若しくはハロゲン原子を示す。複数あるRXは、同一であっても異なっていてもよく、複数のRXは互いに結合して環構造を形成していてもよい。前記官能基が有する水素原子は置換基で更に置換されていてもよい。]
ブロック型共重合体には、上記Yで表される基、上記Zで表される基及び上記発光材料を構成する化学構造が、縮合重合により導入されており、Yで表される基、Zで表される基及び発光材料を構成する化学構造とは相違する任意追加基が縮合重合により導入されていてもよく、
ブロック型共重合体における、Y、Z、任意追加基及び発光材料を構成する化学構造のモル数を、それぞれNY、NZ、NM及びNKしたときに、NY、NZ、NM及びNKが下記式(4)を満たすことが好ましい。
2≦NY×100/(NY+NZ+NK+NM)<40 (4)
以下、本明細書において共通して用いられる用語について、必要に応じて具体例を挙げて説明する。
本実施形態の組成物は、発光材料と高分子化合物とを含む。組成物は、高分子化合物1質量部に対して、発光材料を0.1~100質量部含むことが好ましく、高分子化合物1質量部に対して、発光材料を1~100質量部含むことが好ましく、高分子化合物1質量部に対して、発光材料を4~20質量部含むことが好ましい。上記発光材料と高分子化合物について以下に説明する。
高分子化合物は、上記一般式(1)で表される構成連鎖を主鎖に有する。なお、上記一般式(1)で表される構成連鎖を主鎖に有し、さらに後述の発光材料を構成する化学構造を有する高分子化合物は、ブロック型共重合体でない限り上記高分子化合物に分類される。
一般式(1)で表される構成連鎖において、n≧2の場合であって、複数あるYが一般式(Y-1)で表される構造から水素原子を2個除いた2価の基であるときには、複数の一般式(Y-1)で表される構造は、すべてのXが-CH=である構造のみからなっていてもよく、すべてのXが-CH=である構造とXの内の1つ又は2つが-N=であり残りのXが-CH=である構造の両方からなっていてもよく、或いはXの内1つ又は2つが-N=であり残りのXが-CH=である構造のみからなっていてもよいが、好ましくはすべてのXが-CH=である構造のみからなる。
一般式(1)で表される構成連鎖において、n≧2の場合であって、複数あるYが一般式(Y-2)で表される構造から水素原子を2個除いた2価の基であるときには、複数の一般式(Y-2)で表される構造は、すべてのXが-CH=である構造のみからなっていてもよく、すべてのXが-CH=である構造とXの内の1つ又は2つが-N=であり残りのXが-CH=である構造の両方からなっていてもよく、或いはXの内1つ又は2つが-N=であり残りのXが-CH=である構造のみからなっていてもよいが、好ましくはすべてのXが-CH=である構造のみからなる。
Y及びZが有する水素原子がR’で置換されている場合の、R’の好ましい範囲は、上記と同じである。
また、式(Z-4)、(Z-6)、(Z-8)、(Z-15)及び(Z-16)において、2つのRXのうち、1つがアルキル基であり、もう1つがアリール基であることが好ましい。
また、式(Z-5)、(Z-17)及び(Z-18)において、複数あるRX同士は互いに結合して環構造を形成していることが好ましい。当該環構造は、不飽和結合を持たない環であってもよいし、不飽和結合を持つ環であってもよい。
数平均分子量及び重量平均分子量が上記下限を上回る場合は、電荷移動に対する抵抗が小さくなる傾向にあり、かつ、塗布法での成膜性が向上する傾向にあり、上記上限を下回る場合は、塗布法による成膜性が良好となる傾向がある。
本実施形態の発光材料について説明する。本実施形態における発光材料としては、例えば、一般的な発光材料を用いることができる。上記発光材料としては、好ましくは、「有機ELディスプレイ」(時任静士、安達千波矢、村田英幸共著、株式会社オーム社、平成16年8月20日第1版第1刷発行)17~48頁、83~99頁又は101~120頁に記載の蛍光材料又は三重項発光材料が利用できる。低分子の蛍光材料としては、例えば、ペリレン及びその誘導体、ポリメチン系、キサンテン系、クマリン系及びシアニン系等の色素類、8-ヒドロキシキノリンの金属錯体、8-ヒドロキシキノリン誘導体の金属錯体、芳香族アミン、テトラフェニルシクロペンタジエン及びその誘導体並びにテトラフェニルブタジエン及びその誘導体等が挙げられ、より具体的には、特開昭57-51781号公報、特開昭59-194393号公報に記載されているもの等が使用されうる。その他にも、上記発光材料としては、例えば、国際公開第99/13692号パンフレット、国際公開第99/48160号パンフレット、独国特許出願公開第2340304号明細書、国際公開第00/53656号パンフレット、国際公開第01/19834号パンフレット、国際公開第00/55927号パンフレット、独国特許出願公開第2348316号明細書、国際公開第00/46321号パンフレット、国際公開第00/06665号パンフレット、国際公開第99/54943号パンフレット、国際公開第99/54385号パンフレット、米国特許第5777070号明細書、国際公開第98/06773号パンフレット、国際公開第97/05184号パンフレット、国際公開第00/35987号パンフレット、国際公開第00/53655号パンフレット、国際公開第01/34722号パンフレット、国際公開第99/24526号パンフレット、国際公開第00/22027号パンフレット、国際公開第00/22026号パンフレット、国際公開第98/27136号パンフレット、米国特許第573636号明細書、国際公開第98/21262号パンフレット、米国特許第5741921号明細書、国際公開第97/09394号パンフレット、国際公開第96/29356号パンフレット、国際公開第96/10617号パンフレット、欧州特許出願公開第0707020号明細書、国際公開第95/07955号パンフレット、特開2001-181618号公報、特開2001-123156号公報、特開2001-3045号公報、特開2000-351967号公報、特開2000-303066号公報、特開2000-299189号公報、特開2000-252065号公報、特開2000-136379号公報、特開2000-104057号公報、特開2000-80167号公報、特開平10-324870号公報、特開平10-114891号公報、特開平9-111233号公報若しくは特開平9-45478号公報等に開示されているポリフルオレン、フルオレン誘導体の共重合体、ポリアリーレン、アリーレン誘導体の共重合体、ポリアリーレンビニレン、アリーレンビニレン誘導体の共重合体、芳香族アミン及びその誘導体の(共)重合体が例示される。
なお、発光材料であって、さらに上記一般式(1)で表される構成連鎖を主鎖に有する高分子化合物は、上記高分子化合物又は後述のブロック型共重合体に分類される。
R22、R23、R24及びR25は、好ましくは水素原子、アルキル基又はアリール基であり、より好ましくは、アルキル基又はアリール基である。
下記一般式中、Raは、水素原子、アルキル基、アルコキシ基、アリール基、アリールオキシ基、アリールアルケニル基、アリールアルキニル基、アミノ基、置換アミノ基、ハロゲン原子、アシル基、アシルオキシ基、1価の複素環基、カルボキシル基、ニトロ基又はシアノ基を示す。複数あるRaは、同一であっても異なっていてもよく、互いに結合して環構造を形成していてもよい。
このような一般式(B)で表される構成単位としては、下記一般式(B-6)、(B-7)、(B-8)、(B-9)又は(B-10)で表される構成単位が好ましい。
高分子化合物において、Y及びZで表される基並びに一般式(1)で表される構成連鎖は、例えば、下記一般式(M1)で表される化合物と下記一般式(M2)で表される化合物とを、又は下記一般式(M3)で表される化合物と下記一般式(M4)で表される化合物とを、縮合重合することにより導入することができる。高分子化合物には、Y及びZで表される基とは相違する任意追加基が縮合重合により導入されていてもよい。
[式中、Yは上記と同義である。Aは、ハロゲン原子を表す。2つのAは同一であっても異なっていてもよい。]
[式中、Zは上記と同義である。B’は、ホウ酸エステル残基、ホウ酸残基(-B(OH)2)、下記式(a-1)で表される基、下記式(a-2)で表される基、下記式(a-3)で表される基、又は下記式(a-4)で表される基を表す。2つのB’は、同一であっても異なっていてもよい。]
[式中、Z及びAは上記と同義である。2つのAは同一であっても異なっていてもよい。]
[式中、Y及びB’は上記と同義である。2つのB’は同一であっても異なっていてもよい。]
[式中、Ar1は、上記と同義である。C’は、ハロゲン原子、ホウ酸エステル残基、ホウ酸残基、上記式(a-1)で表される基、上記式(a-2)で表される基、上記式(a-3)で表される基、又は上記式(a-4)で表される基を表す。2つのC’は、同一であっても異なっていてもよい。]
[式中、Ar5、X1及びC’は、上記と同義である。]
30≦NY×100/(NY+NZ+NM)≦75 (2)
0.5≦NY×100/(NY+NZ+NM+NL)≦37.5 (3)
本発明において、「ブロック型共重合体」とは、「一般式(1)で表される構成連鎖」を主鎖に有し、「発光材料を構成する化学構造」を主鎖又は側鎖に有する共重合体である。このブロック型共重合体は、「一般式(1)で表される構成連鎖」を側鎖に有することができるし、「一般式(1)で表される構成連鎖」及び「発光材料を構成する化学構造」以外の構成連鎖(以下、「その他の構成連鎖」と言う。)、及び/又は、「連結基等の2価の基」を主鎖又は側鎖に有することができる。このブロック型共重合体において、「一般式(1)で表される構成連鎖」、「発光材料を構成する化学構造」、及び、「その他の構成連鎖」は、各々、一種のみ有していても二種以上を組み合わせて有していてもよい。
また、発光材料を構成する化学構造は、上記式(A)で表される構成単位を一種以上及び上記式(B)で表される構成単位を一種以上含むことが好ましい。
ブロック型共重合体を縮合重合により得る場合、ブロック型共重合体には、Y及びZで表される基と発光材料を構成する化学構造とが、縮合重合により導入される。当該基及び化学構造とは相違する任意追加基が縮合重合により導入されていてもよい。
一般式(1)で表される構成連鎖を有するブロックを形成するために必要なモノマーを縮合重合させ、一般式(1)で表される構成連鎖を有する重合体を調製した後、該重合体に発光材料を構成する化学構造を有するブロックを形成するために必要なモノマーを追加して縮合重合させる方法。
(方法2)
発光材料を構成する化学構造を有するブロックを形成するために必要なモノマーを縮合重合させた、発光材料を構成する化学構造を有する重合体を調製した後、該重合体に一般式(1)で表される構成連鎖を有するブロックを形成するために必要なモノマーを追加して縮合重合させる方法。
(方法3)
一般式(1)で表される構成連鎖を有するブロックを形成するために必要なモノマーを縮合重合させ、一般式(1)で表される構成連鎖を有する重合体(a)を調製し、別途、発光材料を構成する化学構造を有するブロックを形成するために必要なモノマーを縮合重合させた重合体(b)を調製し、重合体(a)と重合体(b)とを縮合重合させる方法。
2≦NY×100/(NY+NZ+NK+NM)<40 (4)
3≦NY×100/(NY+NZ+NK+NM)≦30 (4-1)
20≦NY×100/(NY+NZ+NK) (5)
30≦NY×100/(NY+NZ+NK) (5-1)
[-Y-Z-]m (1)
…-Y-Z-Y-Z-Y-Z-J-Z-Y-Z-Y-Z-Y-Z-J-Z… (1-1)
のように、mが4未満の高分子化合物が重合される可能性がある。一方で、Yのジブロモ体が37.5mol%より大きく、Jのジブロモ体が12.5mol%より小さい場合には必ずmが4以上の構成連鎖を有する高分子化合物が重合される。例えば、Yのジブロモ体、Zのジホウ酸体及びJのジブロモ体を、それぞれ45mol%:50mol%:5mol%のモル比で使用して、これらをSuzuki反応により重合する場合でも、上記一般式(1)で表される構成連鎖を主鎖に有する高分子化合物又はブロック型共重合体を重合できる。
本実施形態において、上記のようにYのジブロモ体及びZのジホウ酸体以外のモノマーを用いて高分子化合物又はブロック共重合体を重合する場合には、必ず上記一般式(1)で表される構成連鎖を含むポリマーとなるように、それぞれのモノマー種及びモノマー比を選ぶことが好ましい。
重合シミュレーションは以下の機能を持つプログラムを作成して実施した。
脱離基A(例えば、ホウ酸エステル残基)を2個持つk種類(kは1以上の整数)のモノマーユニット(以下、「モノマーユニットA群」と言う。)をそれぞれ
M1個、....、Mk個(M1、....、Mkは1以上の整数)、
脱離基B(例えば、臭素原子)を2個持つv種類(vは1以上の整数)のモノマーユニット(以下、「モノマーユニットB群」と言う。)をそれぞれ
N1個、....、Nv個(N1、....、Nvは1以上の整数)
と定義する。そして、次の2つのステップ([ステップ1]及び[ステップ2])を、初期に存在する脱離基数(N0)に対する未反応の脱離基数(NF)の割合(NF/N0)がある特定の値(以下、「R値」と言う。)に減少するまで繰り返すプログラムを作成した。ここで、未反応の脱離基数とは、下記の2つのステップ([ステップ1]及び[ステップ2])を実施した後に残っている脱離基の総数を表す。
[ステップ1]2個の乱数によりモノマーユニットA群及びモノマーユニットB群のそれぞれから1個ずつモノマーユニットを選ぶステップ。
[ステップ2]ステップ1で選ばれた2個のモノマーユニットの間の結合を登録し、選ばれたモノマーユニットの持つ脱離基の数を1つずつ減じるステップ。
平均連鎖長は、以下のとおり、計算した。まず、モノマーユニットA群及びモノマーユニットB群のそれぞれから1個ずつモノマーユニットを選択し、それらに同一の識別記号Pを与えた上で[重合シミュレーション]を実施した。重合によって得られたポリマーの配列をスキャンして、記号Pで識別されるモノマーユニットの連鎖(以下、「P連鎖」と言う。)を構成するPの個数(以下、「P連鎖長」と言う。)を記録した。記号Pで識別されるモノマーユニットが連鎖を形成せずに存在する場合(すなわち、Pが未反応モノマーとして存在する場合)と、Pに結合したモノマーユニットがいずれもPでない場合と、を除外する。換言すれば、Pの連鎖が存在しない場合を除外する。そして、P連鎖を構成するPの総和(つまり、P連鎖長の総和)をP連鎖の数で除した値を平均連鎖長とした。さらに、上述の[重合シミュレーション]を1つの重合条件に対して、独立に5回実施し、得られた5回分の平均連鎖長を平均して目的の平均連鎖長とした。
(S1)重合シミュレーション条件(共通)
k=1、v=2、R値=0.003、及び、M1=5000とし、モノマーユニットA群及びモノマーユニットB群ともに1番目の種類のモノマーユニットに識別記号Pを与える。
(S2)個別の重合シミュレーション条件
重合条件1: N1=500、N2=4500
重合条件2: N1=1000、N2=4000
重合条件3: N1=1500、N2=3500
重合条件4: N1=2000、N2=3000
重合条件5: N1=2500、N2=2500
重合条件6: N1=3000、N2=2000
重合条件7: N1=3500、N2=1500
重合条件8: N1=4000、N2=1000
重合条件9: N1=4500、N2=500
計算によって得られた平均連鎖長は以下のとおりである。
重合条件1: 平均連鎖長=3.2
重合条件2: 平均連鎖長=3.5
重合条件3: 平均連鎖長=3.8
重合条件4: 平均連鎖長=4.3
重合条件5: 平均連鎖長=5.0
重合条件6: 平均連鎖長=5.9
重合条件7: 平均連鎖長=7.6
重合条件8: 平均連鎖長=10.7
重合条件9: 平均連鎖長=19.8
重合条件1: m’=1.6
重合条件2: m’=1.75
重合条件3: m’=1.9
重合条件4: m’=2.15
重合条件5: m’=2.5
重合条件6: m’=2.95
重合条件7: m’=3.8
重合条件8: m’=5.35
重合条件9: m’=9.9
また、正孔輸送材料の含有割合は、ブロック型共重合体100質量部に対して、電荷バランスが良好となるので、好ましくは3~30質量部、より好ましくは3~20質量部、特に好ましくは3~10質量部加えられる。
また、電子輸送材料の含有割合は、ブロック型共重合体100質量部に対して、電荷バランスが良好となるので、好ましくは5~50質量部、より好ましくは5~30質量部、特に好ましくは5~20質量部加えられる。
また、有機溶媒の含有割合は、ブロック型共重合体1質量部に対して、成膜性が良好となるので、好ましくは10~1000質量部であり、より好ましくは20~500質量部であり、特に好ましくは30~100質量部である。
上記組成物及び/又はブロック型共重合体は、有機層となる薄膜を作製するのに有用である。このような薄膜は、上述の方法により、上記溶液から容易に製造することができる。そして、このような薄膜は、上記組成物を用いてなるため、或いは、ブロック型共重合体を含有するため、有機EL素子の発光層として好適であり、当該薄膜を発光層として有する有機EL素子は輝度寿命が向上する。
有機EL素子は、陽極と陰極とからなる一対の電極、及び該一対の電極の間に設けられた上記有機層を有する。ここで、上記有機層は、発光層として機能する。有機EL素子は、好ましくは、上記薄膜からなる発光層を有する。
a)陽極/発光層/陰極
b)陽極/正孔輸送層/発光層/陰極
c)陽極/発光層/電子輸送層/陰極
d)陽極/正孔輸送層/発光層/電子輸送層/陰極
(ここで、/は各層が隣接して積層されていることを示す。以下、同様である。)
正孔輸送層とは、正孔を輸送する機能を有する層である。
電子輸送層とは、電子を輸送する機能を有する層である。
正孔輸送層と電子輸送層を総称して電荷輸送層と呼ぶ。
e)陽極/電荷注入層/発光層/陰極
f)陽極/発光層/電荷注入層/陰極
g)陽極/電荷注入層/発光層/電荷注入層/陰極
h)陽極/電荷注入層/正孔輸送層/発光層/陰極
i)陽極/正孔輸送層/発光層/電荷注入層/陰極
j)陽極/電荷注入層/正孔輸送層/発光層/電荷注入層/陰極
k)陽極/電荷注入層/発光層/電荷輸送層/陰極
l)陽極/発光層/電子輸送層/電荷注入層/陰極
m)陽極/電荷注入層/発光層/電子輸送層/電荷注入層/陰極
n)陽極/電荷注入層/正孔輸送層/発光層/電荷輸送層/陰極
o)陽極/正孔輸送層/発光層/電子輸送層/電荷注入層/陰極
p)陽極/電荷注入層/正孔輸送層/発光層/電子輸送層/電荷注入層/陰極
絶縁層に用いる材料としては、金属フッ化物、金属酸化物、及び有機絶縁材料等が挙げられる。
q)陽極/絶縁層/発光層/陰極
r)陽極/発光層/絶縁層/陰極
s)陽極/絶縁層/発光層/絶縁層/陰極
t)陽極/絶縁層/正孔輸送層/発光層/陰極
u)陽極/正孔輸送層/発光層/絶縁層/陰極
v)陽極/絶縁層/正孔輸送層/発光層/絶縁層/陰極
w)陽極/絶縁層/発光層/電子輸送層/陰極
x)陽極/発光層/電子輸送層/絶縁層/陰極
y)陽極/絶縁層/発光層/電子輸送層/絶縁層/陰極
z)陽極/絶縁層/正孔輸送層/発光層/電子輸送層/陰極
aa)陽極/正孔輸送層/発光層/電子輸送層/絶縁層/陰極
ab)陽極/絶縁層/正孔輸送層/発光層/電子輸送層/絶縁層/陰極
数平均分子量及び重量平均分子量は、ゲルパーミエーションクロマトグラフィー(GPC、島津製作所製、商品名:LC-10Avp)により、ポリスチレン換算で、求めた。測定する化合物を、約0.5質量%の濃度になるようテトラヒドロフランに溶解させ、溶液をGPCに30μL注入した。GPCの移動相にはテトラヒドロフランを用い、0.6mL/分の流速で流した。カラムには、TSKgel SuperHM-H(東ソー製)2本とTSKgel SuperH2000(東ソー製)1本を直列に繋げたものを用いた。検出器には、示差屈折率検出器(島津製作所製、商品名:RID-10A)を用いた。
化合物のNMR測定は、以下の条件で行った。
装置 : 核磁気共鳴装置、INOVA300(商品名)、バリアン社製
測定溶媒 : 重水素化クロロホルム又は重水素化テトラヒドロフラン
サンプル濃度 : 約1質量%
測定温度 : 25℃
LC-MSの測定は、以下の方法で行った。測定試料を約2mg/mLの濃度になるようにクロロホルム又はテトラヒドロフランに溶解させて、LC-MS(アジレント・テクノロジー製、商品名:1100LCMSD)に1μL注入した。LC-MSの移動相には、イオン交換水、アセトニトリル、テトラヒドロフラン又はそれらの混合液を用い、必要に応じて酢酸を添加した。カラムは、L-column 2 ODS(3μm)(化学物質評価研究機構製、内径:2.1mm、長さ:100mm、粒子径3μm)を用いた。
<合成例1:化合物3Aの合成>
4口フラスコ内の気体を窒素で置換し、上記フラスコ内で、2,7-ジブロモフルオレノン16.5質量部をジフェニルエーテルに懸濁させた。懸濁液を120℃まで加熱し、2,7-ジブロモフルオレノンを溶解させた後、溶液に水酸化カリウム15.5質量部を加え、160℃まで昇温し、2.5時間撹拌した。溶液を室温まで放冷後、ヘキサンを加えて、ろ過し、得られた固形分をヘキサンで洗浄した。4口フラスコ内の気体を窒素で置換し、上記フラスコ内で、得られた生成物のを脱水N,N-ジメチルホルムアミド(以下、「DMF」という。)に溶解させた。得られた溶液を90℃に昇温し、反応を追跡しながら合計53.0質量部のヨウ化メチルを加えた。反応時間は合計10時間であった。室温まで放冷した溶液を、0℃に冷却した水の中に滴下し、反応生成物をヘキサンで2回抽出した。得られた溶液をシリカゲルを敷いたグラスフィルターでろ過後、ろ液を濃縮した。濃縮物をシリカゲルカラムクロマトグラフィーにより精製し、化合物1Aを13.3質量部得た。
1H-NMR(300MHz/CDCl3):δ(ppm)=3.68(s,3H)、7.15(d,2H)、7.20(d,1H)、7.52(d,2H)、7.65(d,1H)、8.00(brs,1H).
13C-NMR(300MHz/CDCl3):δ(ppm)=52.6、121.8、122.2、130.1、131.6、132.3、132.4、133.2、134.7、139.4、140.6、167.8.
1H-NMR(300MHz/CDCl3):δ(ppm)=0.87(t,6H)、1.28~1.37(m,12H)、1.50~1.62(m,4H)、2.54(t,4H)、7.04(s,8H)、7.45(d,2H)、7.49(s,2H)、7.55(d,2H).
13C-NMR(300MHz/CDCl3):δ(ppm)=14.4、22.9、29.4、31.6、32.0、35.8、65.4、121.8、122.1、128.1、128.7、129.7、131.1、138.3、141.9、142.1、153.7.
不活性雰囲気下、化合物3A(6.1質量部)及び無水テトラヒドロフランからなる溶液に、-78~-70℃にて2.5Mのn-ブチルリチウム/ヘキサン溶液(化合物3Aに対して2.5モル当量)を滴下し、さらに6時間撹拌した。次いで、-70℃以下にて化合物5A(イソプロピルピナコールボレート)(5.2質量部)を滴下し、室温にて一晩撹拌した。反応混合物に、塩酸・ジエチルエーテル溶液を-30℃にて滴下した。滴下後に反応液の温度を室温まで戻し、減圧濃縮し、トルエンを加え撹拌した。反応液を、シリカゲルを敷き詰めたろ過器を通じてろ過し、得られたろ液を減圧濃縮し固体を得た。得られた固体をアセトニトリルとトルエンを用いて再結晶を行い、目的とする化合物4Aを4.5質量部得た。
アルゴン気流下、反応容器に1-ブロモ-3,5-ジ-n-ヘキシルベンゼン(20.0質量部)とテトラヒドロフランを加え、均一溶液を調製し、該溶液を-69℃まで冷却した。該溶液に2.76Mのn-ブチルリチウム/ヘキサン溶液(1-ブロモ-3,5-ジ-n-ヘキシルベンゼンに対して1モル当量)を-68℃で1.5時間かけて滴下し、さらに該溶液を-70℃で1.5時間撹拌した。次いで、化合物1B-1(9.0質量部)とテトラヒドロフランからなる溶液を-70℃で1時間かけて滴下し、-70℃で2時間撹拌した。次いで、該溶液に-70℃にてメタノール及び蒸留水を加え撹拌した後、室温まで昇温し、室温にて一晩撹拌した。次いで、反応混合物をろ過し、ろ液を濃縮し、ヘプタン及び水を加え撹拌し、静置して分液した有機層から水層を除去した。該有機層に飽和食塩水を加え撹拌し、静置して分液した有機層から水層を除去した。有機層に硫酸マグネシウムを加え撹拌し、ろ過して得られたろ液を濃縮し、化合物1Bを23.4質量部得た。
アルゴン気流下、2Lの4口フラスコに化合物2B(9.5質量部)、化合物3B-1(6.6質量部)、1,4-ジオキサン、酢酸カリウム(7.05質量部)、1,1’-ビス(ジフェニルホスフィノ)フェロセン(dppf、0.1質量部)及び1,1’-ビス(ジフェニルホスフィノ)フェロセンジクロロパラジウム(II)塩化メチレン錯体(PdCl2(dppf)・CH2Cl2、0.15質量部)を加え、100~102℃で5時間撹拌した。次いで、得られた反応混合物を室温まで冷却した後、セライト及びシリカゲルを敷き詰めたろ過器でろ過し、得られたろ液を濃縮して溶媒を除去した。次いで、ヘキサンを加えて調製した溶液に、活性炭を加え、ヘキサンが還流する温度にて1時間撹拌した。得られた混合物を室温まで冷却後、セライトを敷き詰めたろ過器でろ過し、濃縮して溶媒を除去した。次いで、トルエン及びアセトニトリルで再結晶を行うことにより、目的とする化合物3Bを10.1質量部得た。
不活性雰囲気下、3口フラスコに、3-n-ヘキシル-5-メチルブロモベンゼン(26.2質量部)及び無水テトラヒドロフランを加え均一溶液とし、-70℃に冷却した。得られた溶液に、2.5Mのn-ブチルリチウム/ヘキサン溶液(3-n-ヘキシル-5-メチルブロモベンゼンに対して0.93モル当量)を、溶液の温度が-70℃に保たれるように滴下し、同温度にて4時間撹拌し、溶液(以下、「溶液A」と言う。)を調製した。
別途、2口フラスコに、2-メトキシカルボニル-4,4’-ジブロモビフェニル(16.0質量部)及び無水テトラヒドロフランを加え、溶液(以下、「溶液B」と言う。)を調製した。
溶液Aに溶液Bを、溶液Aの温度が-70℃に保たれるように滴下し、撹拌した。次いで、反応液を室温にて15時間撹拌した。次いで、反応液に水を0℃にて加え、撹拌した。次いで、得られた混合液を減圧下で濃縮することにより溶媒を留去し、残留物にヘキサン及び水を加え、撹拌し、静置して生成した水層を除去し有機層を得た。この有機層を飽和食塩水にて洗浄し、無水硫酸マグネシウムにて乾燥させた後、減圧下で濃縮することにより、下記式で表される化合物1Cを白色固体として得た。
三口フラスコに、合成例5で合成した化合物2C(8.0質量部)、ビス(ピナコレート)ジボロン(6.6質量部)、1,1’-ビス(ジフェニルホスフィノ)フェロセンジクロロパラジウム(II)塩化メチレン錯体(Pd(dppf)・CH2Cl2、0.15質量部)、1,1’-ビス(ジフェニルホスフィノ)フェロセン(0.099質量部)、無水1,4-ジオキサン及び酢酸カリウム(7.0質量部)を加え、100℃で20時間撹拌した。反応液を室温に冷却した後、シリカゲルに通液させ、シリカゲルをトルエンで洗浄し、得られた溶液を濃縮することにより溶媒を留去し、褐色の液体を得た。この液体を、ヘキサンを展開溶媒としたシリカゲルカラムクロマトグラフィーによって精製した。溶出液を濃縮することにより得られた液体にアセトニトリルを加え、固体を得た。この固体をアセトニトリル及びトルエンを用いて再結晶を1回行い、ジクロロメタン及びメタノールを用いて再結晶を1回行い、減圧下で乾燥させることにより、下記式で表される化合物3Cを2.9質量部得た。
3口フラスコ内の気体を窒素で置換し、3口フラスコ内で、1-ブロモ-3-n-ヘキシルベンゼン22.6質量部を、無水テトラヒドロフランに溶解させた。得られた溶液を-75℃以下に冷却し、2.5M n-ブチルリチウム/ヘキサン溶液(1-ブロモ-3-n-ヘキシルベンゼンに対して0.96モル当量)を滴下し、-75℃以下に保ちながら5時間撹拌した。そこに、2-メトキシカルボニル-4,4’-ジブロモビフェニル15.0質量部を無水テトラヒドロフランに溶解させた溶液を-70℃以下に保ちながら滴下した。得られた溶液を室温までゆっくりと昇温後、終夜撹拌した。反応液を0℃で撹拌しながら、水を滴下した。反応液から溶媒を留去した後、残渣に水を加え、ヘキサンで3回抽出した。得られた有機層を合わせ、飽和食塩水で洗浄し、水層をヘキサンで再抽出した。得られた有機層を合わせ、硫酸マグネシウムで乾燥させた。乾燥させた有機層から溶媒を留去したところ、26.4質量部の化合物1Dの粗生成物を得た。
1H-NMR(300MHz,CDCl3):δ(ppm)=0.86(6H,t)、1.26(12H,m)、1.52(4H,m)、2.51(4H,t)、6.87(2H,d)、7.00(2H,s)、7.04(2H,d)、7.12(2H,t)、7.46(2H,dd)、7.48(2H,d)、7.55(2H,d).
3口フラスコに化合物2D 5.0質量部を加え、該フラスコ内の気体を窒素で置換した。そこに、無水テトラヒドロフランを加え、-70℃以下に冷却した。得られた溶液を-70℃以下に保ちながら2.5M n-ブチルリチウム/ヘキサン溶液(化合物2Dに対して2.2モル当量)を滴下した。滴下後、反応液の温度を保ちながら4時間撹拌した。そこに、2-イソプロポキシ-4,4,5,5-テトラメチル-1,3,2-ジオキサボロラン(化合物2Dに対して2.8モル当量)を加えた後、室温までゆっくり昇温し終夜撹拌した。反応液を-30℃に冷却し、2M塩酸/ジエチルエーテル溶液を滴下した後、室温まで昇温した。そこから溶媒を留去した後、トルエンを加えて溶解させ、シリカゲルを敷いたグラスフィルターに通してろ過し、得られた溶液の溶媒を留去して、5.0質量部の粗生成物を得た。この粗生成物を、窒素雰囲気下でトルエンとアセトニトリルとの混合溶媒を用いて再結晶し、化合物3Dを3.4質量部得た。
1H-NMR(300MHz,CDCl3):δ(ppm)=0.86(6H,t)、1.26-1.29(12H,m)、1.31(24H,s)、1.52-1.53(4H,m)、2.50(4H,t)、6.92(2H,d)、7.00(2H,d)、7.08(2H,t)、7.13(2H,s)、7.77(2H,d)、7.81-7.82(4H,m).
ピレン(8.8質量部)にクロロホルムを加えて調製した溶液に、臭素(13.4質量部)とクロロホルムからなる溶液を20~25℃にて7時間かけて滴下し、さらに20~25℃にて3時間撹拌した。次いで、反応液を20~25℃にて3時間静置した後、析出した固体をろ過し、クロロホルムで洗浄し、減圧乾燥を行い、固体A9.7質量部を得た。次いで、得られた固体A(4.0質量部)にトルエンを加え30~35℃にて1時間撹拌し、5℃にて18時間静置した。析出した固体をろ過し、メタノールで洗浄し、減圧乾燥することにより、目的とする化合物1E(2.66質量部)を得た。
LC-MS(APPI-MS(posi)):358 [M]+
3口フラスコに、3,5-ジブロモフェノール9.6質量部、3,5-ビス(4-tert-ブチルフェニル)フェニルボロン酸30.9質量部(特開2005-82730号公報に記載の方法に従って合成した。)及びテトラエチルアンモニウムヒドロキシド95.0質量部(20質量%水溶液)を加えた後、フラスコ内の気体を窒素で置換した。そこに、トルエン及びジクロロビス(トリフェニルホスフィン)パラジウム0.15質量部を加え、100℃で8時間加熱した。その後、得られた混合液を放冷すると、結晶が析出した。この結晶を、クロロホルムを加えて溶解させ、得られた溶液に1N塩酸を加えて酸性にし、分液した。得られた水層をクロロホルムで抽出し、抽出後のクロロホルムを有機層と合わせ、水、飽和食塩水の順番で洗浄した。洗浄後の有機層を、シリカゲルを敷いたグラスフィルターに通してろ過し、溶媒を留去したところ、41.8質量部の粗生成物を得た。これに、ヘキサンを加え、還流温度まで昇温後、室温までゆっくり放冷し、ろ過し、析出物をヘキサン洗浄を行ったところ、下記式で表される化合物1Fを28.0質量部得た。
LC-MS(APPI-MS,posi)775([M+H]+、exact mass=774)
1H-NMR(300MHz,CDCl3):δ(ppm)=1.35(36H,s),5.19(1H,s),7.15(s,2H),7.47(d,8H),7.59(s,1H),7.60(d,8H),7.78(s,6H).
13C-NMR(300MHz,CDCl3):δ(ppm)=31.8,34.9,113.9,119.6,125.2,125.7,126.2,127.4,138.6,142.1,142.6,144.0,150.9,156.6.
LC-MS(ESI-MS, positive)945([M+K]+、exact mass=906)
1H-NMR(300MHz,CDCl3):δ(ppm)=1.38(36H,s),7.52(8H,d),7.57(2H,s),7.64(8H,d),7.77(4H,s),7.85(2H,s),7.97(1H,s).
13C-NMR(300MHz,CDCl3):δ(ppm)=31.7,34.9,119.3.
LC-MS(APCI,positive)940([M+H]+、exact mass=939)
1H-NMR(300MHz,CDCl3):δ(ppm)=1.37(36H,s),6.13-6.16(2H,m),6.62-6.71(6H,m),7.50(8H,d),7.64(8H,d),7.72(2H,s),7.83(6H,s),8.11(1H,s).
13C-NMR(300MHz,CDCl3):δ(ppm)=31.7,34.9,113.7,115.8,121.7,123.7,125.0,126.0,126.1,126.3,127.4,128.8,134.6,138.4,140.4,141.1,142.8,144.3,145.3,151.0.
LC-MS(APCI,positive)1096([M+H]+、exact mass=1095)
1H-NMR(300MHz,CDCl3):δ(ppm)=1.37(36H,s),5.99(2H,d),6.75(2H,d),6.85(2H,brs),7.50(8H,d),7.61-7.65(10H,m),7.82(6H,d),8.11(1H,s).
13C-NMR(300MHz,CDCl3):δ(ppm)=31.7,34.9,113.3,114.9,119.0,125.0,126.2,126.7,127.3,128.2,129.3,133.5,138.3,139.6,140.7,142.9,144.5,145.6,151.1.
不活性雰囲気下で、3口フラスコに酢酸225質量部を入れ、5-tert-ブチル-m-キシレン24.3質量部を加えた。続いて臭素31.2質量部を加えた後、15~20℃で3時間反応させた。反応液を水に加え析出した沈殿をろ過した。この沈澱を水で2回洗浄し、白色の固体である化合物1Gを34.2質量部得た。
1H-NMR(300MHz/CDCl3):δ(ppm)=1.3(s,9H)、2.4(s,6H)、7.1(s,2)
MS(FD+)M+ 241
1H-NMR(300MHz/テトラヒドロフラン-d8):δ(ppm)=1.3(s,18H)、2.0(s,12H)、6.6~6.7(d,4H)、6.8~6.9(br,4H)、7.1(s,4H)、7.2~7.3(d,4H).
MS(FD+)M+ 738
アルゴン雰囲気下、反応容器に、1-ブロモ-3,5-ジ-n-ヘキシルベンゼン(58.4g)およびテトラヒドロフランを加え、均一溶液を調製し、-75℃まで冷却した。該溶液に2.5Mのn-ブチルリチウム/ヘキサン溶液(1-ブロモ-3,5-ジ-n-ヘキシルベンゼンに対して1モル当量)(71.2mL)を-75℃で1.5時間かけて滴下し、さらに該溶液を-70℃で1.5時間撹拌した。次いで、そこに、2,7-ジブロモフルオレノン(55.2g)とテトラヒドロフランからなる溶液を-75℃で1時間かけて滴下し、反応液を室温まで昇温させ4時間撹拌した。次いで、該溶液を0℃まで冷却させ、アセトン、2mol%塩酸水溶液をゆっくり加え撹拌した後、室温まで昇温し、室温にて静置した。次いで、反応混合物をろ過し、ろ液を濃縮し、ヘキサン及び水を加え撹拌し、静置して分液した有機層から水層を除去した。該有機層に飽和食塩水を加え撹拌し、静置して分液した有機層から水層を除去した。有機層に硫酸マグネシウムを加え撹拌し、ろ過して得られたろ液を濃縮し、化合物1I(30.2g)を得た。
100mLの3口フラスコの内部の気体を窒素で置換し、2-エチルヘキシルマグネシウムブロミド(1.0Mジエチルエーテル溶液、25mL、25mmol)を入れ、還流した。この溶液に2-ブロモアントラセン(5.34g、20.8mmol)とPdCl2(dppf)・CH2Cl2(33mg、0.04mmol)とを50mLの脱水シクロペンチルメチルエーテルに懸濁させた懸濁液を35分間で滴下した。1時間還流後、氷浴につけて反応液を冷却し、2M塩酸(5mL)を滴下した。そこに、トルエン50mLを加え、50mL、30mLの水で順番に分液することにより洗浄した。水層を合わせ、トルエンで再抽出した。有機層を合わせ、飽和食塩水30mLで洗浄した。シリカゲル20gを敷いたグラスフィルターを通して濾過し、トルエンで洗浄した。濾液の溶媒を留去したところ、7.45gの粗生成物を得た。
LC-MS(APPI positive)291([M+H]+、exact mass=290)
1H-NMR(CDCl3、300MHz):δ(ppm)=0.87~0.94(6H、m)、1.27~1.48(8H、m)、1.68~1.75(1H、m)、2.71(2H、d)、7.29(1H、d)、7.40~7.46(2H、m)、7.71(s、1H)、7.91(1H、d)、7.95~7.98(2H、m)、8.32(1H、s)、8.36(1H、s).
13C-NMR(CDCl3、75MHz):δ(ppm)=11.1、14.4、23.4、25.9、29.2、32.8、40.9、41.0、125.2、125.5、125.6、126.2、127.2、128.2、128.3、128.4、128.5、131.0、131.8、132.2、139.2.
この黄色粘性オイルをシリカゲルカラムクロマトグラフィー(シリカ120g、展開溶媒ヘキサンのみ)にて精製し、4.26gの黄色粘性オイルとして得た。次いでメタノール1Lを加え加熱して溶解し、一晩静置して結晶を得た。得られたスラリー溶液を約150mLまで濃縮した後、ろ過し、3.91gの淡黄色固体を得た。
1H-NMR(CDCl3、300MHz):δ(ppm)=0.86~0.97(6H、m)、1.20~1.40(8H、m)、1.72~1.77(1H、m)、2.78(2H、d)、7.43(1H、d)、7.55~7.59(2H、m)、8.28(1H、s)、8.46(1H、d)、8.51~8.54(2H、m).
13C-NMR(CDCl3、75MHz):δ(ppm)=11.2、14.5、23.3、25.9、29.1、32.7、40.7、40.9、122.8、123.6、127.2、127.3、127.6、128.3、128.4、128.5、130.3、130.8、131.4、141.7.
窒素雰囲気下、1,5-ナフチルビス(トリフルオロメタンスルホネート)(化合物1P、25.0g)と、[1,1’-ビス(ジフェニルホスフィノ)フェロセン]ジクロロパラジウム(II)ジクロロメチレン付加体(0.24g)と、tert-ブチルメチルエーテル(410mL)を仕込み、10℃以下で、2-エチルヘキシルマグネシウムブロマイド(1mol/L ジエチルエーテル溶液173mL)を滴下し、室温にて4時間攪拌した。反応終了後、水と2N塩酸の混合液に反応液を注加し、水層を酢酸エチルにより抽出した。次いで、得られた有機層を塩化ナトリウム水溶液で洗浄した。洗浄した有機層を硫酸マグネシウムで乾燥させた後、減圧下で溶媒を留去した。残留物をシリカゲルカラムクロマトグラフィー(展開溶媒 ヘキサン)により精製を行い、化合物2Pを淡黄色油状物として21.3g得た。
MS(ESI、positive):[M+]353
1H-NMR(300MHz、CDCl3):δ(ppm)=0.75-1.00(12H,m),1.10-1.50(16H,m),1.69-1.85(2H,m),2.90-3.05(4H,m),7.24-7.38(3H,m),7.35-7.44(3H,m),7.90-7.95(3H,m).
LC-MS(ESI、positive):[M+]605
1H-NMR(300MHz、CDCl3):δ(ppm)=0.85-0.95(12H,m),1.24-1.50(16H,m),1.66-1.85(2H,m),2.90-3.18(4H,m),7.60(2H,s),8.47(2H,s).
5Lの三つ口フラスコに、マグネシウム(60.5g、2.485mol)、脱水ジエチルエーテル(1500mL)、1,2-ジブロモエタン(1mL、0.0115mol)を加え、そこに、2-エチルヘキシルブロミドをゆっくり加え、40℃にて2時間攪拌し、室温に戻し溶液Aを調製した。次いで、5Lの三つ口フラスコに、3,4-ジブロモチオフェン(100g、0.4233mol)、ビス(ジフェニルフォスフィノプロパン)ニッケル(II)及び脱水ジエチルエーテル(1500mL)を加えて溶液を調製し、そこに、溶液Aを室温にて加え、室温で4時間攪拌し、さらに40℃にて14時間攪拌した。得られた反応液を、1.5N塩酸水溶液と氷の混合物に加え攪拌し、得られた有機層を水層と分離した。該有機層を水(1000mL)、飽和食塩水(1000mL)で洗浄し、濃縮し、乾燥させることにより固化した。得られた粗生成物をシリカゲルカラムクロマトグラフィーにて精製し、目的とする化合物1Mを得た(124g、収率97%)。
1H-NMR(CDCl3、300MHz):δ(ppm)=0.96~1.03(12H、m)、1.19~1.38(16H、m)、1.55~1.60(2H、m)、2.44(4H、d)、6.86(2H、s).
1H-NMR(CDCl3、300MHz):δ(ppm)=0.86~0.92(12H、m)、1.27~1.39(16H、m)、1.40~1.60(2H、m)、2.22(4H、d)、6.20(2H、s).
1H-NMR(CDCl3、300MHz):δ(ppm)=0.92~0.99(12H、m)、1.26~1.39(16H、m)、1.66~1.68(2H、m)、2.71(4H、d)、7.78(2H、dd)、8.05(2H、s)、8.31(2H、dd).
LC-MS(ESI、positive):[M+K]+491
1H-NMR(CDCl3、300MHz):δ(ppm)=0.87(6H、t)、1.20~1.36(16H、m)、1.82~1.97(4H、m)、2.57~2.81(8H、m)、5.20(2H、br)、7.23~7.32(4H、m)、7.41~7.48(2H、m)、7.87~7.90(2H、m).
LC-MS(APPI、positive):[M]+456
1H-NMR(CDCl3、300MHz):δ(ppm)=0.66~0.98(6H、m)、1.00~2.22(34H、m)、7.13~7.50(6H、m)、7.80~7.98(2H、m).
LC-MS(ESI、negative):[M+Cl]-648
1H-NMR(CDCl3、300MHz):δ(ppm)=0.66~0.98(6H、m)、1.00~2.20(34H、m)、7.22~7.78(6H、m).
LC-MS(ESI、positive、KCl添加):[M+K]+747
下記化合物1Q(3.00g)、ビスピナコレートジボロン(2.84g)、酢酸カリウム(2.99g)、1,4-ジオキサン(30g)、塩化パラジウム(ジフェニルホスフィノフェロセン)ジクロロメタン付加体(PdCl2(dppf)(CH2Cl2)(83mg)及びジフェニルホスフィノフェロセン(dppf)(56mg)を、103℃で6時間攪拌した。得られた溶液を、室温まで冷却した後、セライトを敷き詰めた漏斗でろ過した。ろ液を減圧濃縮して得られた濃縮物をヘキサンに溶解させた後、活性炭を加えて40℃で1時間加熱しながら攪拌した。得られた混合物を、室温まで冷却した後、セライトを敷き詰めた漏斗でろ過した。濾液を減圧濃縮して得られた固体を、トルエンとアセトニトリルの混合溶媒で再結晶することで白色固体として化合物2Qを2.6g得た。
1H-NMR(CDCl3、300MHz):δ(ppm)=1.35~1.72(4H、m)、1.89~2.24(8H、m)、7.10~7.46(6H、m)、7.90(2H、d).
LC-MS(ESI、positive):[M+H]+417
1H-NMR(CDCl3、300MHz):δ(ppm)=1.38~1.76(4H、m)、1.85~2.24(8H、m)、7.33(2H、d)、7.50(2H、s)、7.70(2H、d).
LC-MS(APCI、positive):[M+H]+919
1H-NMR(CDCl3、300MHz):δ(ppm)=1.11~1.63(22H、m)、1.80~2.08(20H、m)、6.53~6.70(2H、br)、6.75~6.90(4H、m)、7.05~7.36(10H、m)、7.50~7.66(2H、br).
反応容器をアルゴン雰囲気下とし、3-n-ヘキシルブロモベンゼン(111.1g)及びテトラヒドロフランを加え、均一溶液を調製し、-75℃まで冷却した。該溶液に2.5Mのn-ブチルリチウム/ヘキサン溶液(1-ブロモ-3,5-ジ-n-ヘキシルベンゼンに対して1モル当量)(176mL)を-75℃で1.5時間かけて滴下し、さらに該溶液を-70℃で1.5時間撹拌した。次いで、2,7-ジブロモフルオレノン(142g)とテトラヒドロフランからなる溶液を-75℃で1時間かけて滴下し、反応液を室温まで昇温させ4時間撹拌した。次いで、該溶液を0℃まで冷却させ、アセトン、2mol%塩酸水をゆっくり加え撹拌した後、室温まで昇温し、室温にて静置した。次いで、反応混合物をろ過し、ろ液を濃縮し、ヘキサン、水を加え撹拌し、静置して分液した有機層から水層を除去した。該有機層に飽和食塩水を加え撹拌し、静置して分液した有機層から水層を除去した。有機層に硫酸マグネシウムを加え撹拌し、ろ過して得られたろ液を濃縮した。次いで、ヘキサン及びジクロロメタンを展開溶媒としてシリカゲルカラムクロマトグラフィーにて精製し、化合物1S(162g)を得た。
<重合例1:重合体1の合成>
不活性雰囲気下、化合物3C(6.501g、8.48mmol)、化合物2D(4.425g、6.87mmol)、化合物4F(1.885g、1.72mmol)、ジクロロビス(トリフェニルホスフィン)パラジウム(6.0mg)及びトルエン(203mL)を混合し、105℃に加熱した。反応液に20質量%水酸化テトラエチルアンモニウム水溶液(28.5mL)を滴下し、3時間還流させた。反応後、そこに、フェニルボロン酸(104.7mg)、ジクロロビス(トリフェニルホスフィン)パラジウム(6.1mg)及び20質量%水酸化テトラエチルアンモニウム水溶液(28.5mL)を加え、さらに16時間還流させた。次いで、そこに、ジエチルジチアカルバミン酸ナトリウム水溶液を加え、80℃で2時間撹拌した。得られた混合物を冷却後、水で2回、3質量%酢酸水溶液で2回、水で2回洗浄し、得られた溶液をメタノールに滴下、ろ取することで沈殿物を得た。この沈殿物をトルエンに溶解させ、アルミナカラム、シリカゲルカラムを順番に通すことにより精製した。得られた溶液をメタノールに滴下し、撹拌した後、得られた沈殿物をろ取し、乾燥させることにより、重合体1(高分子発光材料) 6.87gを得た。重合体1のポリスチレン換算の数平均分子量は9.3×104であり、ポリスチレン換算の重量平均分子量は2.1×105であった。
不活性雰囲気下、化合物3C(13.554g、17.68mmol)、下記式:
不活性雰囲気下、化合物3C(13.380g、17.45mmol)、化合物F8BE(3.702g、6.98mmol)、化合物2D(16.121g、24.93mmol)、ジクロロビス(トリフェニルホスフィン)パラジウム(17.5mg)及びトルエン(478mL)を混合し、100℃に加熱した。反応液に20質量%水酸化テトラエチルアンモニウム水溶液(83.7g)を滴下し、4.5時間還流させた。反応後、そこに、フェニルボロン酸(300mg)及びジクロロビス(トリフェニルホスフィン)パラジウム(17.5mg)を加え、さらに14時間還流させた。次いで、そこに、ジエチルジチアカルバミン酸ナトリウム水溶液を加え、80℃で2時間撹拌した。得られた混合物を冷却後、水で2回、3質量%酢酸水溶液で2回、水で2回洗浄し、得られた溶液をメタノールに滴下、ろ取することで沈殿物を得た。この沈殿物をトルエンに溶解させ、アルミナカラム、シリカゲルカラムを順番に通すことにより精製した。得られた溶液をメタノールに滴下し、撹拌した後、得られた沈殿物をろ取し、乾燥させることにより、重合体3(高分子発光材料) 14.75gを得た。重合体3のポリスチレン換算の数平均分子量は6.1×104であり、ポリスチレン換算の重量平均分子量は2.1×105であった。
不活性雰囲気下、化合物4A(2.218g、3.00mmol)、下記式:
不活性雰囲気下、化合物3B(2.694g、2.97mmol)、化合物1H(1.008g、3.00mmol)、フェニルボロン酸(7.3mg)、ジクロロビス(トリフェニルホスフィン)パラジウム(2.1mg)及びトルエン(71mL)を混合し、105℃に加熱した。反応液に20質量%水酸化テトラエチルアンモニウム水溶液(10mL)を滴下し、6.5時間還流させた。反応後、そこに、フェニルボロン酸(36.5mg)、ジクロロビス(トリフェニルホスフィン)パラジウム(2.1mg)及び20質量%水酸化テトラエチルアンモニウム水溶液(10mL)を加え、さらに16.5時間還流させた。次いで、そこに、ジエチルジチアカルバミン酸ナトリウム水溶液を加え、80℃で2時間撹拌した。得られた混合物を冷却後、水で2回、3質量%酢酸水溶液で2回、水で2回洗浄し、得られた溶液をメタノールに滴下、ろ取することで沈殿物を得た。この沈殿物をトルエンに溶解させ、アルミナカラム、シリカゲルカラムを順番に通すことにより精製した。得られた溶液をメタノールに滴下し、撹拌した後、得られた沈殿物をろ取し、乾燥させることにより、重合体5(高分子化合物) 2.13gを得た。重合体5のポリスチレン換算の数平均分子量は2.9×104であり、ポリスチレン換算の重量平均分子量は8.6×104であった。
不活性雰囲気下、化合物3C(2.300g、3.00mmol)、化合物1H(1.008g、3.00mmol)、ジクロロビス(トリフェニルホスフィン)パラジウム(2.1mg)及びトルエン(71mL)を混合し、105℃に加熱した。反応液に20質量%水酸化テトラエチルアンモニウム水溶液(10mL)を滴下し、3.5時間還流させた。反応後、そこに、フェニルボロン酸(37.0mg)、ジクロロビス(トリフェニルホスフィン)パラジウム(2.1mg)及び20質量%水酸化テトラエチルアンモニウム水溶液(10mL)を加え、さらに16時間還流させた。次いで、そこに、ジエチルジチアカルバミン酸ナトリウム水溶液を加え、80℃で2時間撹拌した。得られた混合物を冷却後、水で2回、3質量%酢酸水溶液で2回、水で2回洗浄し、得られた溶液をメタノールに滴下、ろ取することで沈殿物を得た。この沈殿物をトルエンに溶解させ、アルミナカラム、シリカゲルカラムを順番に通すことにより精製した。得られた溶液をメタノールに滴下し、撹拌した後、得られた沈殿物をろ取し、乾燥させることにより、重合体6(高分子化合物) 1.50gを得た。重合体6のポリスチレン換算の数平均分子量は1.3×105であり、ポリスチレン換算の重量平均分子量は3.6×105であった。
不活性雰囲気下、化合物3B(1.785g、1.97mmol)、化合物1E(0.720g、2.00mmol)、ジクロロビス(トリフェニルホスフィン)パラジウム(1.4mg)及びトルエン(47mL)を混合し、105℃に加熱した。反応液に20質量%水酸化テトラエチルアンモニウム水溶液(7mL)を滴下し、4時間還流させた。反応後、そこに、フェニルボロン酸(24.4mg)、ジクロロビス(トリフェニルホスフィン)パラジウム(1.3mg)及び20質量%水酸化テトラエチルアンモニウム水溶液(7mL)を加え、さらに19時間還流させた。次いで、そこに、ジエチルジチアカルバミン酸ナトリウム水溶液を加え、80℃で2時間撹拌した。得られた混合物を冷却後、水で2回、3質量%酢酸水溶液で2回、水で2回洗浄し、得られた溶液をメタノールに滴下、ろ取することで沈殿物を得た。この沈殿物をトルエンに溶解させ、アルミナカラム、シリカゲルカラムを順番に通すことにより精製した。得られた溶液をメタノールに滴下し、撹拌した後、得られた沈殿物をろ取し、乾燥させることにより、重合体7(高分子化合物) 1.41gを得た。重合体7のポリスチレン換算の数平均分子量は6.1×104であり、ポリスチレン換算の重量平均分子量は1.5×105であった。
不活性雰囲気下、化合物3B(1.805g、1.99mmol)、下記式:
不活性雰囲気下、化合物3B(2.688g、2.96mmol)、下記式:
不活性雰囲気下、化合物3C(1.803g、2.35mmol)、化合物3G(0.133g、0.18mmol)、化合物4F(0.329g、0.30mmol)、F8BR(0.329g、0.60mmol)、化合物2D(0.851g、1.32mmol)、ジクロロビス(トリフェニルホスフィン)パラジウム(2.1mg)及びトルエン(53mL)を混合し、105℃に加熱した。反応液に20質量%水酸化テトラエチルアンモニウム水溶液(10mL)を滴下し、2.5時間還流させた。次いで、化合物3C(0.471g、0.61mmol)及び化合物1H(0.202g、0.60mmol)を加え、2.5時間還流させた。反応後、そこに、フェニルボロン酸(36.5mg)、ジクロロビス(トリフェニルホスフィン)パラジウム(2.2mg)及び20質量%水酸化テトラエチルアンモニウム水溶液(10mL)を加え、さらに16.5時間還流させた。次いで、そこに、ジエチルジチアカルバミン酸ナトリウム水溶液を加え、80℃で2時間撹拌した。得られた混合物を冷却後、水で2回、3質量%酢酸水溶液で2回、水で2回洗浄し、得られた溶液をメタノールに滴下、ろ取することで沈殿物を得た。この沈殿物をトルエンに溶解させ、アルミナカラム、シリカゲルカラムを順番に通すことにより精製した。得られた溶液をメタノールに滴下し、撹拌した後、得られた沈殿物をろ取し、乾燥させることにより、重合体10(ブロック型共重合体) 2.49gを得た。重合体10のポリスチレン換算の数平均分子量は9.3×104であり、ポリスチレン換算の重量平均分子量は2.5×105であった。
不活性雰囲気下、化合物3C(1.803g、2.35mmol)、化合物3G(0.133g、0.18mmol)、化合物4F(0.329g、0.30mmol)、F8BR(0.329g、0.60mmol)、化合物2D(0.851g、1.32mmol)ジクロロビス(トリフェニルホスフィン)パラジウム(2.0mg)及びトルエン(53mL)を混合し、105℃に加熱した。反応液に20質量%水酸化テトラエチルアンモニウム水溶液(10mL)を滴下し、2.5時間還流させた。次いで、化合物3B(0.558g、0.61mmol)及び化合物1H(0.201g、0.60mmol)を加え、2.5時間還流させた。反応後、そこに、フェニルボロン酸(36.6mg)、ジクロロビス(トリフェニルホスフィン)パラジウム(2.2mg)及び20質量%水酸化テトラエチルアンモニウム水溶液(10mL)を加え、さらに16.5時間還流させた。次いで、そこに、ジエチルジチアカルバミン酸ナトリウム水溶液を加え、80℃で2時間撹拌した。得られた混合物を冷却後、水で2回、3質量%酢酸水溶液で2回、水で2回洗浄し、得られた溶液をメタノールに滴下、ろ取することで沈殿物を得た。この沈殿物をトルエンに溶解させ、アルミナカラム、シリカゲルカラムを順番に通すことにより精製した。得られた溶液をメタノールに滴下し、撹拌した後、得られた沈殿物をろ取し、乾燥させることにより、重合体11(ブロック型共重合体) 2.13gを得た。重合体11のポリスチレン換算の数平均分子量は9.7×104であり、ポリスチレン換算の重量平均分子量は3.2×105であった。
不活性雰囲気下、化合物3C(2.2749g、2.97mmol)、化合物F8BR(0.3290g、0.60mmol)、化合物2D(1.2375g、1.92mmol)、化合物3G(0.1330g、0.18mmol)、化合物4F(0.3295g、0.30mmol)、ジクロロビス(トリフェニルホスフィン)パラジウム(2.1mg)及びトルエン(76mL)を混合し、105℃に加熱した。反応液に20質量%水酸化テトラエチルアンモニウム水溶液(10mL)を滴下し、2時間還流させた。反応後、そこに、フェニルボロン酸(37mg)、ジクロロビス(トリフェニルホスフィン)パラジウム(2.1mg)、トルエン(6mL)及び20質量%水酸化テトラエチルアンモニウム水溶液(10ml)を加え、さらに14.5時間還流させた。次いで、そこに、ジエチルジチアカルバミン酸ナトリウム水溶液を加え、80℃で2時間撹拌した。得られた混合物を冷却後、有機層を、水で2回、3質量%酢酸水溶液で2回、水で2回洗浄し、得られた溶液をメタノールに滴下、ろ取することで沈殿物を得た。この沈殿物をトルエンに溶解させ、アルミナカラム、シリカゲルカラムを順番に通すことにより精製した。得られた溶液をメタノールに滴下し、撹拌した後、得られた沈殿物をろ取し、乾燥させることにより、重合体12 2.42gを得た。重合体12のポリスチレン換算の数平均分子量は1.0×105であり、ポリスチレン換算の重量平均分子量は2.9×105であった。
不活性雰囲気下、化合物3P(1.1969g、1.98mmol)、化合物3S(1.0737g、1.80mmol)、化合物4F(0.2197g、0.20mmol)、ジクロロビス(トリフェニルホスフィン)パラジウム(1.4mg)、及び、トルエン(47mL)を混合し、105℃に加熱した。反応液に20質量%水酸化テトラエチルアンモニウム水溶液(6.6mL)を滴下し、3.5時間還流させた。反応後、そこに、フェニルホウ酸(24mg)、20質量%水酸化テトラエチルアンモニウム水溶液(6.6mL)、及び、ジクロロビス(トリフェニルホスフィン)パラジウム(1.4mg)を加え、16.5時間還流させた。次いで、そこに、ジエチルジチアカルバミン酸ナトリウム水溶液を加え、80℃で2時間撹拌した。冷却後、反応液を、水で2回、3質量%酢酸水溶液で2回、水で2回洗浄し、得られた溶液をメタノールに滴下し、ろ取することで沈殿物を得た。この沈殿物をトルエンに溶解させ、アルミナカラム、シリカゲルカラムを順番に通すことにより精製した。得られた溶液をメタノールに滴下し、撹拌した後、得られた沈殿物をろ取し、乾燥させることにより、重合体13を1.12g得た。重合体13のポリスチレン換算の数平均分子量は7.5×104であり、ポリスチレン換算の重量平均分子量は2.7×105であった。
不活性雰囲気下、化合物3B(8.888g、9.80mmol)、化合物2B(0.813g、1.00mmol)、化合物1H(3.024g、9.00mmol)、ジクロロビス(トリフェニルホスフィン)パラジウム(7.0mg)及びトルエン(202mL)を混合し、100℃に加熱した。反応液に20質量%水酸化テトラエチルアンモニウム水溶液(33mL)を滴下し、6時間還流させた。反応後、そこに、フェニルボロン酸(122mg)、ジクロロビス(トリフェニルホスフィン)パラジウム(7.0mg)及び20質量%水酸化テトラエチルアンモニウム水溶液(33mL)を加え、さらに12時間還流させた。次いで、そこに、ジエチルジチアカルバミン酸ナトリウム水溶液を加え、80℃で2時間撹拌した。得られた混合物を冷却後、水(129mL)で2回、3質量%酢酸水溶液(129mL)で2回、水(129mL)で2回洗浄し、得られた溶液をメタノール(1560mL)に滴下、ろ取することで沈殿物を得た。この沈殿物をトルエン(320mL)に溶解させ、アルミナカラム、シリカゲルカラムを順番に通すことにより精製した。得られた溶液をメタノール(1560mL)に滴下し、撹拌した後、得られた沈殿物をろ取し、乾燥させることにより、重合体14(高分子化合物) 6.4gを得た。重合体14のポリスチレン換算の数平均分子量は6.9×104であり、ポリスチレン換算の重量平均分子量は2.1×105であった。
不活性雰囲気下、化合物4I(1.725g、2.55mmol)、化合物1H(0.8401g、2.50mmol)、ジクロロビス(トリス-o-メトキシフェニルホスフィン)パラジウム(2.2mg)及びトルエン(39mL)を混合し、100℃に加熱した。反応液に20質量%水酸化テトラエチルアンモニウム水溶液(8.3mL)を滴下し、2.5時間還流させた。反応後、そこに、フェニルボロン酸(30.5mg)、ジクロロビス(トリス-o-メトキシフェニルホスフィン)パラジウム(2.2mg)及び20質量%水酸化テトラエチルアンモニウム水溶液(8.3mL)を加え、さらに12時間還流させた。次いで、そこに、ジエチルジチアカルバミン酸ナトリウム水溶液を加え、80℃で2時間撹拌した。得られた混合物を冷却後、水(18mL)で2回、3質量%酢酸水溶液(18mL)で2回、水(18mL)で2回洗浄し、得られた溶液をメタノール(253mL)に滴下、ろ取することで沈殿物を得た。この沈殿物をトルエン(52mL)に溶解させ、アルミナカラム、シリカゲルカラムを順番に通すことにより精製した。得られた溶液をメタノール(253mL)に滴下し、撹拌した後、得られた沈殿物をろ取し、乾燥させることにより、重合体15(高分子化合物) 6.4gを得た。重合体15のポリスチレン換算の数平均分子量は1.2×105であり、ポリスチレン換算の重量平均分子量は4.8×105であった。
不活性雰囲気下、化合物4I(1.999g、3.0mmol)、化合物1T(1.345g、3.0mmol)、ジクロロビス(トリス-o-メトキシフェニルホスフィン)パラジウム(2.7mg)及びトルエン(55mL)を混合し、100℃に加熱した。反応液に20質量%水酸化テトラエチルアンモニウム水溶液(10mL)を滴下し、6.5時間還流させた。反応後、そこに、フェニルボロン酸(37mg)、ジクロロビス(トリス-o-メトキシフェニルホスフィン)パラジウム(2.7mg)及び20質量%水酸化テトラエチルアンモニウム水溶液(10mL)を加え、さらに12時間還流させた。次いで、そこに、ジエチルジチアカルバミン酸ナトリウム水溶液を加え、80℃で2時間撹拌した。得られた混合物を冷却後、水(30mL)で2回、3質量%酢酸水溶液(30mL)で2回、水(30mL)で2回洗浄し、得られた溶液をメタノール(360mL)に滴下、ろ取することで沈殿物を得た。この沈殿物をトルエン(123mL)に溶解させ、アルミナカラム、シリカゲルカラムを順番に通すことにより精製した。得られた溶液をメタノール(360mL)に滴下し、撹拌した後、得られた沈殿物をろ取し、乾燥させることにより、重合体16(高分子化合物) 1.37gを得た。重合体16のポリスチレン換算の数平均分子量は9.4×104であり、ポリスチレン換算の重量平均分子量は2.6×105であった。
不活性雰囲気下、化合物3P(1.782g、2.95mmol)、化合物1T(1.345g、3.00mmol)、ジクロロビス(トリス-o-メトキシフェニルホスフィン)パラジウム(2.7mg)及びトルエン(50mL)を混合し、100℃に加熱した。反応液に20質量%水酸化テトラエチルアンモニウム水溶液(10mL)を滴下し、3.0時間還流させた。反応後、そこに、フェニルボロン酸(37mg)、ジクロロビス(トリス-o-メトキシフェニルホスフィン)パラジウム(2.7mg)及び20質量%水酸化テトラエチルアンモニウム水溶液(10mL)を加え、さらに12時間還流させた。次いで、そこに、ジエチルジチアカルバミン酸ナトリウム水溶液を加え、80℃で2時間撹拌した。得られた混合物を冷却後、水(27mL)で2回、3質量%酢酸水溶液(27mL)で2回、水(27mL)で2回洗浄し、得られた溶液をメタノール(323mL)に滴下、ろ取することで沈殿物を得た。この沈殿物をトルエン(199mL)に溶解させ、アルミナカラム、シリカゲルカラムを順番に通すことにより精製した。得られた溶液をメタノール(323mL)に滴下し、撹拌した後、得られた沈殿物をろ取し、乾燥させることにより、重合体17(高分子化合物) 1.60gを得た。重合体17のポリスチレン換算の数平均分子量は4.4×104であり、ポリスチレン換算の重量平均分子量は2.9×105であった。
不活性雰囲気下、化合物6M(0.8175g、1.0mmol)、化合物1T(0.4706g、1.0mmol)、ジクロロビス(トリス-o-メトキシフェニルホスフィン)パラジウム(0.9mg)及びトルエン(36mL)を混合し、100℃に加熱した。反応液に20質量%水酸化テトラエチルアンモニウム水溶液(3.5mL)を滴下し、6時間還流させた。反応後、そこに、フェニルボロン酸(13mg)、ジクロロビス(トリス-o-メトキシフェニルホスフィン)パラジウム(0.9mg)及び20質量%水酸化テトラエチルアンモニウム水溶液(3.5mL)を加え、さらに12時間還流させた。次いで、そこに、ジエチルジチアカルバミン酸ナトリウム水溶液を加え、80℃で2時間撹拌した。得られた混合物を冷却後、水(12mL)で2回、3質量%酢酸水溶液(12mL)で2回、水(12mL)で2回洗浄し、得られた溶液をメタノール(149mL)に滴下、ろ取することで沈殿物を得た。この沈殿物をトルエン(102mL)に溶解させ、アルミナカラム、シリカゲルカラムを順番に通すことにより精製した。得られた溶液をメタノール(149mL)に滴下し、撹拌した後、得られた沈殿物をろ取し、乾燥させることにより、重合体18(高分子化合物) 0.49gを得た。重合体18のポリスチレン換算の数平均分子量は4.5×104であり、ポリスチレン換算の重量平均分子量は2.2×105であった。
不活性雰囲気下、化合物3P(0.7300g、1.21mmol)、化合物5N(0.8858g、1.25mmol)、化合物1T(1.1206g、2.50mmol)、ジクロロビス(トリス-o-メトキシフェニルホスフィン)パラジウム(2.2mg)及びトルエン(45mL)を混合し、100℃に加熱した。反応液に20質量%水酸化テトラエチルアンモニウム水溶液(8.3mL)を滴下し、4時間還流させた。反応後、そこに、フェニルボロン酸(31mg)、ジクロロビス(トリス-o-メトキシフェニルホスフィン)パラジウム(2.2mg)及び20質量%水酸化テトラエチルアンモニウム水溶液(8.3mL)を加え、さらに20時間還流させた。次いで、そこに、ジエチルジチアカルバミン酸ナトリウム水溶液を加え、80℃で2時間撹拌した。得られた混合物を冷却後、水(24mL)で2回、3質量%酢酸水溶液(24mL)で2回、水(24mL)で2回洗浄し、得られた溶液をメタノール(292mL)に滴下、ろ取することで沈殿物を得た。この沈殿物をトルエン(120mL)に溶解させ、アルミナカラム、シリカゲルカラムを順番に通すことにより精製した。得られた溶液をメタノール(292mL)に滴下し、撹拌した後、得られた沈殿物をろ取し、乾燥させることにより、重合体19(高分子化合物) 1.25gを得た。重合体19のポリスチレン換算の数平均分子量は7.0×104であり、ポリスチレン換算の重量平均分子量は8.0×105であった。
不活性雰囲気下、化合物2Q(1.3419g、1.960mmol)、化合物4I(0.3383g、0.500mmol)、化合物1T(1.1206g、2.50mmol)、ジクロロビス(トリス-o-メトキシフェニルホスフィン)パラジウム(2.2mg)及びトルエン(46mL)を混合し、100℃に加熱した。反応液に20質量%水酸化テトラエチルアンモニウム水溶液(8.3mL)を滴下し、4時間還流させた。反応後、そこに、フェニルボロン酸(31mg)、ジクロロビス(トリス-o-メトキシフェニルホスフィン)パラジウム(2.2mg)及び20質量%水酸化テトラエチルアンモニウム水溶液(8.3mL)を加え、さらに20時間還流させた。次いで、そこに、ジエチルジチアカルバミン酸ナトリウム水溶液を加え、80℃で2時間撹拌した。得られた混合物を冷却後、水(25mL)で2回、3質量%酢酸水溶液(25mL)で2回、水(25mL)で2回洗浄し、得られた溶液をメタノール(303mL)に滴下、ろ取することで沈殿物を得た。この沈殿物をトルエン(124mL)に溶解させ、アルミナカラム、シリカゲルカラムを順番に通すことにより精製した。得られた溶液をメタノール(673mL)に滴下し、撹拌した後、得られた沈殿物をろ取し、乾燥させることにより、重合体20(高分子化合物) 1.36gを得た。重合体20のポリスチレン換算の数平均分子量は7.5×104であり、ポリスチレン換算の重量平均分子量は3.0×105であった。
不活性雰囲気下、化合物3P(0.7330g、1.213mmol)、化合物4I(0.8457g、1.250mmol)、化合物1T(1.1206g、2.50mmol)、ジクロロビス(トリス-o-メトキシフェニルホスフィン)パラジウム(2.2mg)及びトルエン(44mL)を混合し、100℃に加熱した。反応液に20質量%水酸化テトラエチルアンモニウム水溶液(8.3mL)を滴下し、5時間還流させた。反応後、そこに、フェニルボロン酸(31mg)、ジクロロビス(トリス-o-メトキシフェニルホスフィン)パラジウム(2.2mg)及び20質量%水酸化テトラエチルアンモニウム水溶液(8.3mL)を加え、さらに20時間還流させた。次いで、そこに、ジエチルジチアカルバミン酸ナトリウム水溶液を加え、80℃で2時間撹拌した。得られた混合物を冷却後、水(24mL)で2回、3質量%酢酸水溶液(24mL)で2回、水(24mL)で2回洗浄し、得られた溶液をメタノール(285mL)に滴下、ろ取することで沈殿物を得た。この沈殿物をトルエン(117mL)に溶解させ、アルミナカラム、シリカゲルカラムを順番に通すことにより精製した。得られた溶液をメタノール(380mL)に滴下し、撹拌した後、得られた沈殿物をろ取し、乾燥させることにより、重合体21(高分子化合物) 1.14gを得た。重合体21のポリスチレン換算の数平均分子量は8.0×104であり、ポリスチレン換算の重量平均分子量は2.6×105であった。
不活性雰囲気下、化合物3P(4.9955g、8.264mmol)、化合物4I(1.4208g、2.100mmol)、化合物1T(4.7064g、10.500mmol)、ジクロロビス(トリス-o-メトキシフェニルホスフィン)パラジウム(9.3mg)及びトルエン(177mL)を混合し、100℃に加熱した。反応液に20質量%水酸化テトラエチルアンモニウム水溶液(35mL)を滴下し、4時間還流させた。反応後、そこに、フェニルボロン酸(128mg)、ジクロロビス(トリス-o-メトキシフェニルホスフィン)パラジウム(9.3mg)及び20質量%水酸化テトラエチルアンモニウム水溶液(35mL)を加え、さらに20時間還流させた。次いで、そこに、ジエチルジチアカルバミン酸ナトリウム水溶液を加え、80℃で2時間撹拌した。得られた混合物を冷却後、水(96mL)で2回、3質量%酢酸水溶液(96mL)で2回、水(96mL)で2回洗浄し、得られた溶液をメタノール(1158mL)に滴下、ろ取することで沈殿物を得た。この沈殿物をトルエン(237mL)に溶解させ、アルミナカラム、シリカゲルカラムを順番に通すことにより精製した。得られた溶液をメタノール(1158mL)に滴下し、撹拌した後、得られた沈殿物をろ取し、乾燥させることにより、重合体22(高分子化合物) 5.0gを得た。重合体22のポリスチレン換算の数平均分子量は7.0×104であり、ポリスチレン換算の重量平均分子量は2.6×105であった。
不活性雰囲気下、化合物3B(2.133g、2.352mmol)、化合物F8BR(0.085g、0.150mmol)、化合物1K(1.640g、1.800mmol)、化合物1L(0.238g、0.450mmol)、ジクロロビス(トリフェニルホスフィン)パラジウム(2.1mg)及びトルエン(53mL)を混合し、100℃に加熱した。反応液に20質量%水酸化テトラエチルアンモニウム水溶液(10mL)を滴下し、2時間還流させた。次いで、化合物3B(0.558g、0.615mmol)、化合物1H(0.202g、0.600mmol)を加え、2時間還流させた。反応後、そこに、フェニルボロン酸(37mg)、ジクロロビス(トリフェニルホスフィン)パラジウム(2.1mg)及び20質量%水酸化テトラエチルアンモニウム水溶液(10mL)を加え、さらに12時間還流させた。次いで、そこに、ジエチルジチアカルバミン酸ナトリウム水溶液を加え、80℃で2時間撹拌した。得られた混合物を冷却後、水(39mL)で2回、3質量%酢酸水溶液(39mL)で2回、水(39mL)で2回洗浄し、得られた溶液をメタノール(466mL)に滴下、ろ取することで沈殿物を得た。この沈殿物をトルエン(94mL)に溶解させ、アルミナカラム、シリカゲルカラムを順番に通すことにより精製した。得られた溶液をメタノール(466mL)に滴下し、撹拌した後、得られた沈殿物をろ取し、乾燥させることにより、重合体23(ブロック型共重合体) 3.17gを得た。重合体23のポリスチレン換算の数平均分子量は5.9×104であり、ポリスチレン換算の重量平均分子量は1.8×105であった。
不活性雰囲気下、化合物5N(1.403g、1.98mmol)、化合物3S(1.002g、1.68mmol)、化合物3G(0.089g、0.12mmol)、化合物4F(0.220g、0.20mmol)、ジクロロビス(トリス-o-メトキシフェニルホスフィン)パラジウム(1.8mg)、及び、トルエン(47mL)を混合し、105℃に加熱した。反応液に20質量%水酸化テトラエチルアンモニウム水溶液(7.5mL)を滴下し、2.5時間還流させた。反応後、そこに、フェニルホウ酸(25mg)、20質量%水酸化テトラエチルアンモニウム水溶液(7.5mL)、及び、ジクロロビス(トリス-o-メトキシフェニルホスフィン)パラジウム(1.8mg)、トルエン(5mL)を加え、17時間還流させた。次いで、そこに、ジエチルジチアカルバミン酸ナトリウム水溶液を加え、80℃で2時間撹拌した。冷却後、反応液を、水(26mL)で2回、3質量%酢酸水溶液(26mL)で2回、水(26mL)で2回洗浄し、得られた溶液をメタノール(311mL)に滴下し、ろ取することで沈殿物を得た。この沈殿物をトルエンに溶解させ、アルミナカラム、シリカゲルカラムを順番に通すことにより精製した。得られた溶液をメタノール(327mL)に滴下し、撹拌した後、得られた沈殿物をろ取し、乾燥させることにより、重合体24を1.16g得た。重合体24のポリスチレン換算の数平均分子量は1.2×105であり、ポリスチレン換算の重量平均分子量は2.5×105であった。
不活性雰囲気下、化合物4I(1.6661g、2.463mmol)、化合物3S(1.3122g、2.200mmol)、化合物5R(0.2302g、0.250mmol)、化合物4F(0.0549g、0.050mmol)、ジクロロビス(トリス-o-メトキシフェニルホスフィン)パラジウム(0.7mg)及びトルエン(58mL)を混合し、100℃に加熱した。反応液に20質量%水酸化テトラエチルアンモニウム水溶液(8.3mL)を滴下し、8時間還流させた。反応後、そこに、フェニルボロン酸(31mg)、ジクロロビス(トリス-o-メトキシフェニルホスフィン)パラジウム(2.2mg)及び20質量%水酸化テトラエチルアンモニウム水溶液(8.3mL)を加え、さらに12時間還流させた。次いで、そこに、ジエチルジチアカルバミン酸ナトリウム水溶液を加え、80℃で2時間撹拌した。得られた混合物を冷却後、水(32mL)で2回、3質量%酢酸水溶液(32mL)で2回、水(32mL)で2回洗浄し、得られた溶液をメタノール(380mL)に滴下、ろ取することで沈殿物を得た。この沈殿物をトルエン(78mL)に溶解させ、アルミナカラム、シリカゲルカラムを順番に通すことにより精製した。得られた溶液をメタノール(380mL)に滴下し、撹拌した後、得られた沈殿物をろ取し、乾燥させることにより、重合体25 1.61gを得た。重合体25のポリスチレン換算の数平均分子量は8.6×104であり、ポリスチレン換算の重量平均分子量は2.4×105であった。
不活性雰囲気下、化合物4I(1.3437g、1.986mmol)、化合物3S(1.0498g、1.760mmol)、化合物5R(0.2210g、0.240mmol)、ジクロロビス(トリフェニルホスフィン)パラジウム(1.4mg)及びトルエン(46mL)を混合し、100℃に加熱した。反応液に20質量%水酸化テトラエチルアンモニウム水溶液(6.7mL)を滴下し、5時間還流させた。反応後、そこに、フェニルボロン酸(24mg)、ジクロロビス(トリフェニルホスフィン)パラジウム(1.4mg)及び20質量%水酸化テトラエチルアンモニウム水溶液(6.7mL)を加え、さらに12時間還流させた。次いで、そこに、ジエチルジチアカルバミン酸ナトリウム水溶液を加え、80℃で2時間撹拌した。得られた混合物を冷却後、水(25mL)で2回、3質量%酢酸水溶液(25mL)で2回、水(25mL)で2回洗浄し、得られた溶液をメタノール(303mL)に滴下、ろ取することで沈殿物を得た。この沈殿物をトルエン(75mL)に溶解させ、アルミナカラム、シリカゲルカラムを順番に通すことにより精製した。得られた溶液をメタノール(303mL)に滴下し、撹拌した後、得られた沈殿物をろ取し、乾燥させることにより、重合体26 1.08gを得た。重合体26のポリスチレン換算の数平均分子量は8.9×104であり、ポリスチレン換算の重量平均分子量は2.3×105であった。
不活性雰囲気下、化合物3C(1.7988g、2.346mmol)、化合物3B(0.5440g、0.600mmol)、化合物2D(1.2375g、1.920mmol)、化合物3G(0.1330g、0.180mmol)、化合物4F(0.3294g、0.300mmol)、化合物1H(0.2016g、0.600mmol)、ジクロロビス(トリフェニルホスフィン)パラジウム(2.1mg)及びトルエン(79mL)を混合し、100℃に加熱した。反応液に20質量%水酸化テトラエチルアンモニウム水溶液(10mL)を滴下し、7時間還流させた。反応後、そこに、フェニルボロン酸(37mg)、ジクロロビス(トリス-o-メトキシフェニルホスフィン)パラジウム(2.1mg)及び20質量%水酸化テトラエチルアンモニウム水溶液(10mL)を加え、さらに12時間還流させた。次いで、そこに、ジエチルジチアカルバミン酸ナトリウム水溶液を加え、80℃で2時間撹拌した。得られた混合物を冷却後、水(43mL)で2回、3質量%酢酸水溶液(43mL)で2回、水(43mL)で2回洗浄し、得られた溶液をメタノール(514mL)に滴下、ろ取することで沈殿物を得た。この沈殿物をトルエン(105mL)に溶解させ、アルミナカラム、シリカゲルカラムを順番に通すことにより精製した。得られた溶液をメタノール(514mL)に滴下し、撹拌した後、得られた沈殿物をろ取し、乾燥させることにより、重合体27 1.78gを得た。重合体27のポリスチレン換算の数平均分子量は7.7×104であり、ポリスチレン換算の重量平均分子量は2.3×105であった。
不活性雰囲気下、化合物3B(1.796g、1.98mmol)、化合物2B(0.650g、0.80mmol)、化合物1H(0.403g、1.2mmol)、ジクロロビス(トリフェニルホスフィン)パラジウム(1.4mg)及びトルエン(47mL)を混合し、100℃に加熱した。反応液に20質量%水酸化テトラエチルアンモニウム水溶液(6.6mL)を滴下し、5時間還流させた。反応後、そこに、フェニルボロン酸(24.4mg)、ジクロロビス(トリフェニルホスフィン)パラジウム(1.4mg)及び20質量%水酸化テトラエチルアンモニウム水溶液(6.6mL)を加え、さらに20時間還流させた。次いで、そこに、ジエチルジチアカルバミン酸ナトリウム水溶液を加え、80℃で2時間撹拌した。得られた混合物を冷却後、水(26mL)で2回、3質量%酢酸水溶液(26mL)で2回、水(26mL)で2回洗浄し、得られた溶液をメタノール(311mL)に滴下、ろ取することで沈殿物を得た。この沈殿物をトルエン(63mL)に溶解させ、アルミナカラム、シリカゲルカラムを順番に通すことにより精製した。得られた溶液をメタノール(311mL)に滴下し、撹拌した後、得られた沈殿物をろ取し、乾燥させることにより、重合体28 1.74gを得た。重合体28のポリスチレン換算の数平均分子量は1.1×105であり、ポリスチレン換算の重量平均分子量は3.7×105であった。
不活性雰囲気下、化合物3B(1.796g、1.98mmol)、化合物2B(0.9754g、1.20mmol)、化合物1H(0.2688g、0.80mmol)、ジクロロビス(トリス-o-メトキシフェニルホスフィン)パラジウム(1.8mg)及びトルエン(38mL)を混合し、100℃に加熱した。反応液に20質量%水酸化テトラエチルアンモニウム水溶液(6.7mL)を滴下し、3.5時間還流させた。反応後、そこに、フェニルボロン酸(24.4mg)、ジクロロビス(トリス-o-メトキシフェニルホスフィン)パラジウム(1.8mg)及び20質量%水酸化テトラエチルアンモニウム水溶液(6.7mL)を加え、さらに12時間還流させた。次いで、そこに、ジエチルジチアカルバミン酸ナトリウム水溶液を加え、80℃で2時間撹拌した。得られた混合物を冷却後、水(31mL)で2回、3質量%酢酸水溶液(31mL)で2回、水(31mL)で2回洗浄し、得られた溶液をメタノール(376mL)に滴下、ろ取することで沈殿物を得た。この沈殿物をトルエン(77mL)に溶解させ、アルミナカラム、シリカゲルカラムを順番に通すことにより精製した。得られた溶液をメタノール(376mL)に滴下し、撹拌した後、得られた沈殿物をろ取し、乾燥させることにより、重合体29 1.67gを得た。重合体29のポリスチレン換算の数平均分子量は6.1×104であり、ポリスチレン換算の重量平均分子量は2.4×105であった。
不活性雰囲気下、化合物3B(1.796g、1.98mmol)、化合物2B(1.301g、1.60mmol)、化合物1H(0.131g、0.40mmol)、ジクロロビス(トリフェニルホスフィン)パラジウム(1.4mg)及びトルエン(47mL)を混合し、100℃に加熱した。反応液に20質量%水酸化テトラエチルアンモニウム水溶液(6.6mL)を滴下し、5時間還流させた。反応後、そこに、フェニルボロン酸(24.4mg)、ジクロロビス(トリフェニルホスフィン)パラジウム(1.4mg)及び20質量%水酸化テトラエチルアンモニウム水溶液(6.6mL)を加え、さらに20時間還流させた。次いで、そこに、ジエチルジチアカルバミン酸ナトリウム水溶液を加え、80℃で2時間撹拌した。得られた混合物を冷却後、水(26mL)で2回、3質量%酢酸水溶液(26mL)で2回、水(26mL)で2回洗浄し、得られた溶液をメタノール(311mL)に滴下、ろ取することで沈殿物を得た。この沈殿物をトルエン(63mL)に溶解させ、アルミナカラム、シリカゲルカラムを順番に通すことにより精製した。得られた溶液をメタノール(311mL)に滴下し、撹拌した後、得られた沈殿物をろ取し、乾燥させることにより、重合体30 2.07gを得た。重合体30のポリスチレン換算の数平均分子量は1.1×105であり、ポリスチレン換算の重量平均分子量は3.4×105であった。
<実施例1:有機EL素子1の製造と評価>
スパッタ法により45nmの厚みでITO膜を付けたガラス基板に、ポリチオフェン・スルホン酸系の正孔注入剤であるAQ-1200(Plextronics社製)をスピンコート法により50nmの厚みで成膜し、ホットプレート上で170℃で15分間乾燥し、有機EL用基材を作製した。
実施例1における組成物1に代えて、キシレン溶媒中に1.2質量%の濃度で溶解させた重合体1の溶液と、キシレン溶媒中に1.2質量%の濃度で溶解させた重合体2の溶液と、キシレン溶媒中に1.2質量%の濃度で溶解させた重合体4の溶液とを質量比で、重合体1:重合体2:重合体4=50:30:20となるように混合して、組成物2を調製した以外は、実施例1と同様にして、有機EL素子2を作製した。得られた有機EL素子2に電圧を印加したところ、この素子から主に重合体1に由来する460nmにピークを有するEL発光が得られた。該素子は2.9Vから発光が開始し、最大発光効率は8.23cd/Aであった。
実施例1における組成物1に代えて、キシレン溶媒中に1.2質量%の濃度で溶解させた重合体1の溶液と、キシレン溶媒中に1.2質量%の濃度で溶解させた重合体2の溶液と、キシレン溶媒中に1.2質量%の濃度で溶解させた重合体6の溶液とを質量比で、重合体1:重合体2:重合体6=50:30:20となるように混合して、組成物3を調製した以外は、実施例1と同様にして、有機EL素子3を作製した。得られた有機EL素子3に電圧を印加したところ、この素子から主に重合体1に由来する460nmにピークを有するEL発光が得られた。該素子は2.9Vから発光が開始し、最大発光効率は8.70cd/Aであった。
実施例1における組成物1に代えて、キシレン溶媒中に1.2質量%の濃度で溶解させた重合体1の溶液と、キシレン溶媒中に1.2質量%の濃度で溶解させた重合体2の溶液と、キシレン溶媒中に1.2質量%の濃度で溶解させた重合体7の溶液とを質量比で、重合体1:重合体2:重合体7=50:30:20となるように混合して、組成物4を調製した以外は、実施例1と同様にして、有機EL素子4を作製した。得られた有機EL素子4に電圧を印加したところ、この素子から主に重合体1に由来する460nmにピークを有するEL発光が得られた。該素子は2.9Vから発光が開始し、最大発光効率は10.34cd/Aであった。
実施例1における組成物1に代えて、キシレン溶媒中に1.2質量%の濃度で溶解させた重合体1の溶液と、キシレン溶媒中に1.2質量%の濃度で溶解させた重合体2の溶液と、キシレン溶媒中に1.2質量%の濃度で溶解させた重合体8の溶液とを質量比で、重合体1:重合体2:重合体8=50:30:20となるように混合して、組成物5を用いた以外は、実施例1と同様にして、有機EL素子5を作製した。得られた有機EL素子5に電圧を印加したところ、この素子から主に重合体1に由来する460nmにピークを有するEL発光が得られた。該素子は2.9Vから発光が開始し、最大発光効率は8.13cd/Aであった。
実施例1における組成物1に代えて、キシレン溶媒中に1.2質量%の濃度で溶解させた重合体10の溶液を調製した以外は、実施例1と同様にして、有機EL素子6を作製した。得られた有機EL素子6に電圧を印加したところ、この素子から主に重合体10中のブロック10Xに由来する460nmにピークを有するEL発光が得られた。該素子は2.9Vから発光が開始し、最大発光効率は11.45cd/Aであった。
実施例1における組成物1に代えて、キシレン溶媒中に1.2質量%の濃度で溶解させた重合体11の溶液を調製した以外は、実施例1と同様にして、有機EL素子7を作製した。得られた有機EL素子7に電圧を印加したところ、この素子から主に重合体11中のブロック11Xに由来する460nmにピークを有するEL発光が得られた。該素子は2.9Vから発光が開始し、最大発光効率は11.70cd/Aであった。
実施例1における組成物1に代えて、キシレン溶媒中に1.2質量%の濃度で溶解させた重合体1の溶液と、キシレン溶媒中に1.2質量%の濃度で溶解させた重合体2の溶液と、キシレン溶媒中に1.2質量%の濃度で溶解させた重合体3の溶液とを質量比で、重合体1:重合体2:重合体3=50:30:20となるように混合して、組成物6を用いた以外は、実施例1と同様にして、有機EL素子C1を作製した。得られた有機EL素子C1に電圧を印加したところ、この素子から主に重合体1に由来する460nmにピークを有するEL発光が得られた。該素子は2.9Vから発光が開始し、最大発光効率は8.68cd/Aであった。
実施例1における組成物1に代えて、キシレン溶媒中に1.2質量%の濃度で溶解させた重合体12の溶液を調製した以外は、実施例1と同様にして、有機EL素子C2を作製した。得られた有機EL素子C2に電圧を印加したところ、この素子から重合体12に由来する460nmにピークを有するEL発光が得られた。該素子は2.9Vから発光が開始し、最大発光効率は10.33cd/Aであった。
実施例1における組成物1に代えて、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体1の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体2の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体14の溶液とを質量比で、重合体1:重合体2:重合体14=50:30:20となるように混合して、組成物8を調製した。
実施例8における組成物8に代えて、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体1の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体2の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体15の溶液とを質量比で、重合体1:重合体2:重合体15=50:30:20となるように混合して組成物9を調製した以外は、実施例8と同様にして、有機EL素子8を作製した。得られた有機EL素子8に電圧を印加したところ、この素子から主に重合体1に由来する460nmにピークを有するEL発光が得られた。該素子は2.6Vから発光が開始し、最大発光効率は11.05cd/Aであった。
実施例8における組成物8に代えて、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体1の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体2の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体16の溶液とを質量比で、重合体1:重合体2:重合体16=50:30:20となるように混合して組成物10を調製した以外は、実施例8と同様にして、有機EL素子10を作製した。得られた有機EL素子10に電圧を印加したところ、この素子から主に重合体1に由来する460nmにピークを有するEL発光が得られた。該素子は2.7Vから発光が開始し、最大発光効率は9.41cd/Aであった。
実施例8における組成物8に代えて、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体1の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体2の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体17の溶液とを質量比で、重合体1:重合体2:重合体17=50:30:20となるように混合して組成物11を調製した以外は、実施例8と同様にして、有機EL素子11を作製した。得られた有機EL素子11に電圧を印加したところ、この素子から主に重合体1に由来する460nmにピークを有するEL発光が得られた。該素子は3.0Vから発光が開始し、最大発光効率は6.89cd/Aであった。
実施例8における組成物8に代えて、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体1の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体2の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体18の溶液とを質量比で、重合体1:重合体2:重合体18=50:30:20となるように混合して組成物12を調製した以外は、実施例8と同様にして、有機EL素子12を作製した。得られた有機EL素子12に電圧を印加したところ、この素子から主に重合体1に由来する460nmにピークを有するEL発光が得られた。該素子は2.8Vから発光が開始し、最大発光効率は7.06cd/Aであった。
実施例8における組成物8に代えて、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体1の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体2の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体19の溶液とを質量比で、重合体1:重合体2:重合体19=50:30:20となるように混合して組成物13を調製した以外は、実施例8と同様にして、有機EL素子13を作製した。得られた有機EL素子13に電圧を印加したところ、この素子から主に重合体1に由来する460nmにピークを有するEL発光が得られた。該素子は2.8Vから発光が開始し、最大発光効率は9.91cd/Aであった。
実施例8における組成物8に代えて、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体1の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体2の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体20の溶液とを質量比で、重合体1:重合体2:重合体20=50:30:20となるように混合して組成物14を調製した以外は、実施例8と同様にして、有機EL素子14を作製した。得られた有機EL素子14に電圧を印加したところ、この素子から主に重合体1に由来する460nmにピークを有するEL発光が得られた。該素子は2.6Vから発光が開始し、最大発光効率は10.71cd/Aであった。
実施例8における組成物8に代えて、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体1の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体2の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体21の溶液とを質量比で、重合体1:重合体2:重合体21=50:30:20となるように混合して組成物15を調製した以外は、実施例8と同様にして、有機EL素子15を作製した。得られた有機EL素子15に電圧を印加したところ、この素子から主に重合体1に由来する460nmにピークを有するEL発光が得られた。該素子は2.7Vから発光が開始し、最大発光効率は9.56cd/Aであった。
実施例8における組成物8に代えて、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体1の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体2の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体22の溶液とを質量比で、重合体1:重合体2:重合体22=50:30:20となるように混合して組成物16を調製した以外は、実施例8と同様にして、有機EL素子16を作製した。得られた有機EL素子16に電圧を印加したところ、この素子から主に重合体1に由来する460nmにピークを有するEL発光が得られた。該素子は2.8Vから発光が開始し、最大発光効率は9.16cd/Aであった。
実施例8における組成物8に代えて、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体1の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体2の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体3の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体5の溶液とを質量比で、重合体1:重合体2:重合体3:重合体5=50:30:19:1となるように混合して組成物17を調製した以外は、実施例8と同様にして、有機EL素子17を作製した。得られた有機EL素子17に電圧を印加したところ、この素子から主に重合体1に由来する460nmにピークを有するEL発光が得られた。該素子は2.6Vから発光が開始し、最大発光効率は11.51cd/Aであった。
実施例8における組成物8に代えて、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体1の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体2の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体3の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体5の溶液とを質量比で、重合体1:重合体2:重合体3:重合体5=50:30:18:2となるように混合して組成物18を調製した以外は、実施例8と同様にして、有機EL素子18を作製した。得られた有機EL素子18に電圧を印加したところ、この素子から主に重合体1に由来する460nmにピークを有するEL発光が得られた。該素子は2.6Vから発光が開始し、最大発光効率は11.42cd/Aであった。
実施例8における組成物8に代えて、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体1の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体2の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体3の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体5の溶液とを質量比で、重合体1:重合体2:重合体3:重合体5=50:30:15:5となるように混合して組成物19を調製した以外は、実施例8と同様にして、有機EL素子19を作製した。得られた有機EL素子19に電圧を印加したところ、この素子から主に重合体1に由来する460nmにピークを有するEL発光が得られた。該素子は2.6Vから発光が開始し、最大発光効率は10.70cd/Aであった。
実施例8における組成物8に代えて、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体1の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体2の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体3の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体5の溶液とを質量比で、重合体1:重合体2:重合体3:重合体5=50:30:10:10となるように混合して組成物20を調製した以外は、実施例8と同様にして、有機EL素子20を作製した。得られた有機EL素子20に電圧を印加したところ、この素子から主に重合体1に由来する460nmにピークを有するEL発光が得られた。該素子は2.7Vから発光が開始し、最大発光効率は10.59cd/Aであった。
正孔輸送性重合体として、重合体9に代えて重合体23を用い、さらに、実施例8における組成物8に代えて比較例1の組成物6(重合体1:重合体2:重合体3=50:30:20)を調製した以外は、実施例8と同様にして、有機EL素子21を作製した。得られた有機EL素子21に電圧を印加したところ、この素子から主に重合体1に由来する460nmにピークを有するEL発光が得られた。該素子は2.7Vから発光が開始し、最大発光効率は9.83cd/Aであった。
実施例8における組成物8に代えて、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体25の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体15の溶液とを質量比で、重合体25:重合体15=80:20となるように混合して組成物21を調製した以外は、実施例8と同様にして、有機EL素子22を作製した。得られた有機EL素子22に電圧を印加したところ、この素子から主に重合体25に由来する460nmにピークを有するEL発光が得られた。該素子は2.7Vから発光が開始し、最大発光効率は8.24cd/Aであった。
実施例8における組成物8に代えて、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体26の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体15の溶液とを質量比で、重合体26:重合体15=80:20となるように混合して組成物22を調製した以外は、実施例8と同様にして、有機EL素子23を作製した。得られた有機EL素子23に電圧を印加したところ、この素子から主に重合体26に由来する445nmにピークを有するEL発光が得られた。該素子は2.7Vから発光が開始し、最大発光効率は6.29cd/Aであった。
実施例8における組成物8に代えて、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体13の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体15の溶液とを質量比で、重合体13:重合体15=90:10となるように混合して組成物24を調製した以外は、実施例8と同様にして、有機EL素子24を作製した。得られた有機EL素子24に電圧を印加したところ、この素子から主に重合体13に由来する465nmにピークを有するEL発光が得られた。該素子は2.6Vから発光が開始し、最大発光効率は11.1cd/Aであった。
実施例8における組成物8に代えて、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体24の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体15の溶液とを質量比で、重合体24:重合体15=90:10となるように混合して組成物25を調製した以外は、実施例8と同様にして、有機EL素子25を作製した。得られた有機EL素子25に電圧を印加したところ、この素子から主に重合体24に由来する460nmにピークを有するEL発光が得られた。該素子は2.6Vから発光が開始し、最大発光効率は10.0cd/Aであった。
実施例8における組成物8に代えて、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体27の溶液を調製した以外は、実施例8と同様にして、有機EL素子C3を作製した。得られた有機EL素子C3に電圧を印加したところ、この素子から主に重合体27に由来する460nmにピークを有するEL発光が得られた。該素子は2.7Vから発光が開始し、最大発光効率は7.45cd/Aであった。
実施例8における組成物8に代えて、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体1の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体2の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体28の溶液とを質量比で、重合体1:重合体2:重合体28=50:30:20となるように混合して組成物28を調製した以外は、実施例8と同様にして、有機EL素子C4を作製した。得られた有機EL素子C4に電圧を印加したところ、この素子から主に重合体1に由来する460nmにピークを有するEL発光が得られた。該素子は2.7Vから発光が開始し、最大発光効率は7.53cd/Aであった。
実施例8における組成物8に代えて、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体1の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体2の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体29の溶液とを質量比で、重合体1:重合体2:重合体29=50:30:20となるように混合して組成物29を調製した以外は、実施例8と同様にして、有機EL素子C5を作製した。得られた有機EL素子C5に電圧を印加したところ、この素子から主に重合体1に由来する460nmにピークを有するEL発光が得られた。該素子は3.0Vから発光が開始し、最大発光効率は6.02cd/Aであった。
実施例8における組成物8に代えて、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体1の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体2の溶液と、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体30の溶液とを質量比で、重合体1:重合体2:重合体30=50:30:20となるように混合して組成物30を調製した以外は、実施例8と同様にして、有機EL素子C6を作製した。得られた有機EL素子C6に電圧を印加したところ、この素子から主に重合体1に由来する460nmにピークを有するEL発光が得られた。該素子は2.7Vから発光が開始し、最大発光効率は7.35cd/Aであった。
実施例8における組成物8に代えて、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体25の溶液を調製した以外は、実施例8と同様にして、有機EL素子C7を作製した。得られた有機EL素子C7に電圧を印加したところ、この素子から主に重合体25に由来する460nmにピークを有するEL発光が得られた。該素子は2.6Vから発光が開始し、最大発光効率は7.21cd/Aであった。
実施例8における組成物8に代えて、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体26の溶液を調製した以外は、実施例8と同様にして、有機EL素子C8を作製した。得られた有機EL素子C8に電圧を印加したところ、この素子から主に重合体26に由来する445nmにピークを有するEL発光が得られた。該素子は2.6Vから発光が開始し、最大発光効率は5.25cd/Aであった。
<比較例9:有機EL素子C9の製造と評価>
実施例8における組成物8に代えて、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体13の溶液を調製した以外は、実施例8と同様にして、有機EL素子C9を作製した。得られた有機EL素子C9に電圧を印加したところ、この素子から主に重合体13に由来する465nmにピークを有するEL発光が得られた。該素子は2.6Vから発光が開始し、最大発光効率は9.19cd/Aであった。
<比較例10:有機EL素子C10の製造と評価>
実施例8における組成物8に代えて、クロロベンゼン溶媒中に0.9質量%の濃度で溶解させた重合体24の溶液を調製した以外は、実施例8と同様にして、有機EL素子C10を作製した。得られた有機EL素子C10に電圧を印加したところ、この素子から主に重合体24に由来する460nmにピークを有するEL発光が得られた。該素子は2.6Vから発光が開始し、最大発光効率は9.46cd/Aであった。
Claims (24)
- 発光材料と、
下記一般式(1)で表される構成連鎖を主鎖に有する高分子化合物と、
を含む組成物。
-[-(Y)n-Z-]m- (1)
[式中、
Yは、下記一般式(Y-1)又は(Y-2)で表される構造から水素原子を2個除いた2価の基を示す。
Zは、下記一般式(Z-1)、(Z-2)、(Z-3)、(Z-4)、(Z-5)、(Z-6)、(Z-7)又は(Z-8)で表される構造から水素原子を2個除いた2価の基を示す。
mは4~10000の整数、nは1~3の整数を示す。
複数あるY、Z及びnは、各々、同一であっても異なっていてもよい。
なお、Y及びZが有する水素原子は、R’で置換されていてもよく、R’は、カルボキシル基、ニトロ基、シアノ基、アルキル基、アルコキシ基、アルキルチオ基、アリール基、アリールオキシ基、アリールチオ基、アルケニル基、アルキニル基、アミノ基、シリル基、アシル基、アシルオキシ基、イミン残基、アミド化合物残基、酸イミド残基、1価の複素環基及び1価の複素環チオ基からなる群より選ばれる官能基、又はハロゲン原子を示す。R’が複数ある場合、それらは同一であっても異なっていてもよく、複数のR’は互いに結合して環構造を形成していてもよい。前記官能基が有する水素原子は置換基で更に置換されていてもよい。]
Xは、-CH=又は-N=を示す。複数あるXは、同一であっても異なっていてもよい。但し、Xとしての-N=の数は、0~2である。
RXは、カルボキシル基、ニトロ基、シアノ基、アルキル基、アルコキシ基、アルキルチオ基、アリール基、アリールオキシ基、アリールチオ基、アルケニル基、アルキニル基、アミノ基、シリル基、アシル基、アシルオキシ基、イミン残基、アミド化合物残基、酸イミド残基、1価の複素環基及び1価の複素環チオ基からなる群より選ばれる官能基、又は水素原子若しくはハロゲン原子を示す。複数あるRXは、同一であっても異なっていてもよく、複数のRXは互いに結合して環構造を形成していてもよい。前記官能基が有する水素原子は置換基で更に置換されていてもよい。] - 前記発光材料が、高分子発光材料である請求項1に記載の組成物。
- 前記発光材料が、下記一般式(A)、(B)又は(C)で表される構成単位の少なくとも1種を有する高分子発光材料である、請求項2に記載の組成物。
Ar1及びAr5は、それぞれ独立に、アリーレン基、2価の複素環基又は金属錯体構造を有する2価の基を示す。Ar2、Ar3及びAr4は、それぞれ独立に、アリーレン基又は2価の複素環基を示す。
R1及びR2は、それぞれ独立に、水素原子、アルキル基、アリール基又は1価の複素環基を示す。X1は-CR3=CR4-又は-C≡C-を示す。R3及びR4は、それぞれ独立に、水素原子、カルボキシル基、置換カルボキシル基、シアノ基、アルキル基、アリール基又は1価の複素環基を示す。
aは、0又は1である。] - 前記発光材料が、前記一般式(B)で表される構成単位を有する請求項3に記載の組成物。
- 前記Zが、前記一般式(Z-11)、(Z-15)又は(Z-17)で表される2価の基である、請求項6に記載の組成物。
- 前記高分子化合物1質量部に対して、前記発光材料を0.1~100質量部含む、請求項1~7のいずれか一項に記載の組成物。
- 前記高分子化合物が、縮合重合で合成されるものであり、
高分子化合物には、前記Yで表される基及び前記Zで表される基が縮合重合により導入されており、
Yで表される基及びZで表される基とは相違する任意追加基が縮合重合により導入されていてもよく、
高分子化合物における、Y、Z及び任意追加基のモル数をそれぞれNY、NZ及びNMとしたときに、NY、NZ及びNMが下記式(2)を満たす、請求項1~8のいずれか一項に記載の組成物。
30≦NY×100/(NY+NZ+NM)≦75 (2) - 前記高分子化合物及び前記発光材料が、それぞれ縮合重合で合成されるものであり、
高分子化合物には、前記Yで表される基及び前記Zで表される基が縮合重合により導入されており、Yで表される基及びZで表される基とは相違する任意追加基が縮合重合により導入されていてもよく、
高分子化合物における、Y、Z及び任意追加基のモル数をそれぞれNY、NZ及びNMとし、発光材料における、縮合重合により導入される発光材料を構成する化学構造のモル数をNLとしたときに、NY、NZ、NM及びNLが下記式(3)を満たす、請求項1~9のいずれか一項に記載の組成物。
0.5≦NY×100/(NY+NZ+NM+NL)≦37.5 (3) - 前記高分子化合物の主鎖が前記一般式(1)で表される構成連鎖のみからなる、請求項1~10のいずれか一項に記載の組成物。
- 下記一般式(1)で表される構成連鎖を主鎖に有し、かつ、発光材料を構成する化学構造を主鎖又は側鎖に有する、ブロック型共重合体。
-[-(Y)n-Z-]m- (1)
[式中、
Yは、下記一般式(Y-1)又は(Y-2)で表される構造から水素原子を2個除いた2価の基を示す。
Zは、下記一般式(Z-1)、(Z-2)、(Z-3)、(Z-4)、(Z-5)、(Z-6)、(Z-7)又は(Z-8)で表される構造から水素原子を2個除いた2価の基を示す。
mは4~10000の整数、nは1~3の整数を示す。
複数あるY、Z及びnは、各々、同一であっても異なっていてもよい。
Y及びZが有する水素原子は、R’で置換されていてもよく、R’は、カルボキシル基、ニトロ基、シアノ基、アルキル基、アルコキシ基、アルキルチオ基、アリール基、アリールオキシ基、アリールチオ基、アルケニル基、アルキニル基、アミノ基、シリル基、アシル基、アシルオキシ基、イミン残基、アミド化合物残基、酸イミド残基、1価の複素環基及び1価の複素環チオ基からなる群より選ばれる官能基、又はハロゲン原子を示す。R’が複数ある場合、それらは同一であっても異なっていてもよく、複数のR’が互いに結合して環構造を形成していてもよい。前記官能基が有する水素原子は置換基で更に置換されていてもよい。]
RXは、カルボキシル基、ニトロ基、シアノ基、アルキル基、アルコキシ基、アルキルチオ基、アリール基、アリールオキシ基、アリールチオ基、アルケニル基、アルキニル基、アミノ基、シリル基、アシル基、アシルオキシ基、イミン残基、アミド化合物残基、酸イミド残基、1価の複素環基及び1価の複素環チオ基からなる群より選ばれる官能基、又は水素原子若しくはハロゲン原子を示す。複数あるRXは、同一であっても異なっていてもよく、複数のRXは互いに結合して環構造を形成していてもよい。前記官能基が有する水素原子は置換基で更に置換されていてもよい。] - 前記発光材料を構成する化学構造が、下記一般式(A)、(B)又は(C)で表される構成単位の少なくとも1種である、請求項12に記載のブロック型共重合体。
Ar1及びAr5は、それぞれ独立に、アリーレン基、2価の複素環基又は金属錯体構造を有する2価の基を示す。Ar2、Ar3及びAr4は、それぞれ独立に、アリーレン基又は2価の複素環基を示す。
R1及びR2は、それぞれ独立に、水素原子、アルキル基、アリール基又は1価の複素環基を示す。X1は、-CR3=CR4-又は-C≡C-を示す。R3及びR4は、それぞれ独立に、水素原子、カルボキシル基、置換カルボキシル基、シアノ基、アルキル基、アリール基又は1価の複素環基を示す。
aは、0又は1である。] - 前記発光材料を構成する化学構造が、前記一般式(B)で表される構成単位である、請求項13に記載のブロック型共重合体。
- 前記Zが、前記一般式(Z-11)、(Z-15)又は(Z-17)で表される2価の基である、請求項16に記載のブロック型共重合体。
- 前記一般式(1)で表される構成連鎖を1~30有する、請求項12~17のいずれか一項に記載のブロック型共重合体。
- 前記ブロック型共重合体は、縮合重合で合成されるものであり、
ブロック型共重合体には、前記Yで表される基、前記Zで表される基及び前記発光材料を構成する化学構造が、縮合重合により導入されており、
Yで表される基、Zで表される基及び発光材料を構成する化学構造とは相違する任意追加基が縮合重合により導入されていてもよく、
ブロック型共重合体における、Y、Z、任意追加基及び発光材料を構成する化学構造のモル数を、それぞれNY、NZ、NM及びNKしたときに、NY、NZ、NM及びNKが下記式(4)を満たす、請求項12~18のいずれか一項に記載のブロック型共重合体。
2≦NY×100/(NY+NZ+NK+NM)<40 (4) - 前記発光材料を構成する化学構造と前記一般式(1)で表される構成連鎖のみからなる、請求項12~19のいずれか一項に記載のブロック型共重合体。
- 一対の電極と、該一対の電極の間に設けられた有機層を有し、該有機層が、請求項1~11のいずれか一項に記載の組成物を用いてなる、有機エレクトロルミネッセンス素子。
- 一対の電極と、該一対の電極の間に設けられた有機層を有し、該有機層が、請求項12~20のいずれか一項に記載のブロック型共重合体を含む、有機エレクトロルミネッセンス素子。
- 請求項21又は22に記載の有機エレクトロルミネッセンス素子を有する面状光源。
- 請求項21又は22に記載の有機エレクトロルミネッセンス素子を有する表示装置。
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