JP2007182568A - 青色発光高分子およびこれを用いる有機電界発光素子 - Google Patents
青色発光高分子およびこれを用いる有機電界発光素子 Download PDFInfo
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- JP2007182568A JP2007182568A JP2006350446A JP2006350446A JP2007182568A JP 2007182568 A JP2007182568 A JP 2007182568A JP 2006350446 A JP2006350446 A JP 2006350446A JP 2006350446 A JP2006350446 A JP 2006350446A JP 2007182568 A JP2007182568 A JP 2007182568A
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- 229920000642 polymer Polymers 0.000 title claims abstract description 91
- 239000000126 substance Substances 0.000 claims abstract description 51
- 125000001424 substituent group Chemical group 0.000 claims description 55
- 125000000217 alkyl group Chemical group 0.000 claims description 31
- 125000003118 aryl group Chemical group 0.000 claims description 20
- 150000001875 compounds Chemical group 0.000 claims description 16
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 16
- 125000003545 alkoxy group Chemical group 0.000 claims description 14
- 125000005842 heteroatom Chemical group 0.000 claims description 13
- 125000000623 heterocyclic group Chemical group 0.000 claims description 10
- 230000005525 hole transport Effects 0.000 claims description 9
- 125000001072 heteroaryl group Chemical group 0.000 claims description 8
- 125000004185 ester group Chemical group 0.000 claims description 7
- 229920006395 saturated elastomer Polymers 0.000 claims description 6
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 5
- 125000006617 triphenylamine group Chemical group 0.000 claims description 5
- 125000006757 (C2-C30) heterocyclic group Chemical group 0.000 claims description 4
- 125000005678 ethenylene group Chemical group [H]C([*:1])=C([H])[*:2] 0.000 claims description 4
- -1 3-methylpentan-2-yl group Chemical group 0.000 description 281
- 239000010410 layer Substances 0.000 description 90
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 72
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 45
- 238000006243 chemical reaction Methods 0.000 description 42
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 30
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 28
- 239000000243 solution Substances 0.000 description 23
- 229910052757 nitrogen Inorganic materials 0.000 description 22
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- 238000003756 stirring Methods 0.000 description 15
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 14
- ROFVEXUMMXZLPA-UHFFFAOYSA-N Bipyridyl Chemical compound N1=CC=CC=C1C1=CC=CC=N1 ROFVEXUMMXZLPA-UHFFFAOYSA-N 0.000 description 13
- 239000010408 film Substances 0.000 description 13
- 239000000203 mixture Substances 0.000 description 13
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- 239000012299 nitrogen atmosphere Substances 0.000 description 11
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 10
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- 238000000034 method Methods 0.000 description 9
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- 238000003786 synthesis reaction Methods 0.000 description 8
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- VYXHVRARDIDEHS-UHFFFAOYSA-N 1,5-cyclooctadiene Chemical compound C1CC=CCCC=C1 VYXHVRARDIDEHS-UHFFFAOYSA-N 0.000 description 7
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- 239000007864 aqueous solution Substances 0.000 description 7
- 238000003808 methanol extraction Methods 0.000 description 7
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- 125000004430 oxygen atom Chemical group O* 0.000 description 7
- 125000004437 phosphorous atom Chemical group 0.000 description 7
- 229910052698 phosphorus Inorganic materials 0.000 description 7
- 238000004528 spin coating Methods 0.000 description 7
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- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 5
- PVCZQDBAXUBPAL-UHFFFAOYSA-N 2,7-dibromo-10-(4-butylphenyl)-4a,9a-dihydroacridin-9-one Chemical compound C1=CC(CCCC)=CC=C1N1C2=CC=C(Br)C=C2C(=O)C2C=C(Br)C=CC21 PVCZQDBAXUBPAL-UHFFFAOYSA-N 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- DZBUGLKDJFMEHC-UHFFFAOYSA-N acridine Chemical compound C1=CC=CC2=CC3=CC=CC=C3N=C21 DZBUGLKDJFMEHC-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 125000000753 cycloalkyl group Chemical group 0.000 description 4
- 238000000295 emission spectrum Methods 0.000 description 4
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- NIHNNTQXNPWCJQ-UHFFFAOYSA-N fluorene Chemical compound C1=CC=C2CC3=CC=CC=C3C2=C1 NIHNNTQXNPWCJQ-UHFFFAOYSA-N 0.000 description 4
- ICPSWZFVWAPUKF-UHFFFAOYSA-N 1,1'-spirobi[fluorene] Chemical group C1=CC=C2C=C3C4(C=5C(C6=CC=CC=C6C=5)=CC=C4)C=CC=C3C2=C1 ICPSWZFVWAPUKF-UHFFFAOYSA-N 0.000 description 3
- 229910010082 LiAlH Inorganic materials 0.000 description 3
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 3
- 125000000641 acridinyl group Chemical group C1(=CC=CC2=NC3=CC=CC=C3C=C12)* 0.000 description 3
- 239000012267 brine Substances 0.000 description 3
- 229940125782 compound 2 Drugs 0.000 description 3
- 229940126214 compound 3 Drugs 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 239000012043 crude product Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- MFRIHAYPQRLWNB-UHFFFAOYSA-N sodium tert-butoxide Chemical compound [Na+].CC(C)(C)[O-] MFRIHAYPQRLWNB-UHFFFAOYSA-N 0.000 description 3
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 3
- 238000004809 thin layer chromatography Methods 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- GEYOCULIXLDCMW-UHFFFAOYSA-N 1,2-phenylenediamine Chemical compound NC1=CC=CC=C1N GEYOCULIXLDCMW-UHFFFAOYSA-N 0.000 description 2
- BRGVKVZXDWGJBX-UHFFFAOYSA-N 1-bromo-4-butylbenzene Chemical compound CCCCC1=CC=C(Br)C=C1 BRGVKVZXDWGJBX-UHFFFAOYSA-N 0.000 description 2
- TZMSYXZUNZXBOL-UHFFFAOYSA-N 10H-phenoxazine Chemical compound C1=CC=C2NC3=CC=CC=C3OC2=C1 TZMSYXZUNZXBOL-UHFFFAOYSA-N 0.000 description 2
- FHMZRXAOGIFMFL-UHFFFAOYSA-N 3-methyl-n,n-diphenylaniline Chemical group CC1=CC=CC(N(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 FHMZRXAOGIFMFL-UHFFFAOYSA-N 0.000 description 2
- 125000003469 3-methylhexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 2
- YXYUIABODWXVIK-UHFFFAOYSA-N 4-methyl-n,n-bis(4-methylphenyl)aniline Chemical group C1=CC(C)=CC=C1N(C=1C=CC(C)=CC=1)C1=CC=C(C)C=C1 YXYUIABODWXVIK-UHFFFAOYSA-N 0.000 description 2
- IULUNTXBHHKFFR-UHFFFAOYSA-N 4-methyl-n,n-diphenylaniline Chemical group C1=CC(C)=CC=C1N(C=1C=CC=CC=1)C1=CC=CC=C1 IULUNTXBHHKFFR-UHFFFAOYSA-N 0.000 description 2
- KZMGYPLQYOPHEL-UHFFFAOYSA-N Boron trifluoride etherate Chemical compound FB(F)F.CCOCC KZMGYPLQYOPHEL-UHFFFAOYSA-N 0.000 description 2
- 241000284156 Clerodendrum quadriloculare Species 0.000 description 2
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical group OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 125000003342 alkenyl group Chemical group 0.000 description 2
- 125000000304 alkynyl group Chemical group 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 125000002490 anilino group Chemical group [H]N(*)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 2
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 2
- UFVXQDWNSAGPHN-UHFFFAOYSA-K bis[(2-methylquinolin-8-yl)oxy]-(4-phenylphenoxy)alumane Chemical compound [Al+3].C1=CC=C([O-])C2=NC(C)=CC=C21.C1=CC=C([O-])C2=NC(C)=CC=C21.C1=CC([O-])=CC=C1C1=CC=CC=C1 UFVXQDWNSAGPHN-UHFFFAOYSA-K 0.000 description 2
- 125000003739 carbamimidoyl group Chemical group C(N)(=N)* 0.000 description 2
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 description 2
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- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
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- 238000005859 coupling reaction Methods 0.000 description 2
- 125000000582 cycloheptyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
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- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 2
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- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
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- 238000001953 recrystallisation Methods 0.000 description 2
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
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- 125000001973 tert-pentyl group Chemical group [H]C([H])([H])C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- 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 2
- JRTIUDXYIUKIIE-KZUMESAESA-N (1z,5z)-cycloocta-1,5-diene;nickel Chemical compound [Ni].C\1C\C=C/CC\C=C/1.C\1C\C=C/CC\C=C/1 JRTIUDXYIUKIIE-KZUMESAESA-N 0.000 description 1
- 125000004400 (C1-C12) alkyl group Chemical group 0.000 description 1
- MHCVCKDNQYMGEX-UHFFFAOYSA-N 1,1'-biphenyl;phenoxybenzene Chemical group C1=CC=CC=C1C1=CC=CC=C1.C=1C=CC=CC=1OC1=CC=CC=C1 MHCVCKDNQYMGEX-UHFFFAOYSA-N 0.000 description 1
- 125000005923 1,2-dimethylpropyloxy group Chemical group 0.000 description 1
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- 125000001637 1-naphthyl group Chemical group [H]C1=C([H])C([H])=C2C(*)=C([H])C([H])=C([H])C2=C1[H] 0.000 description 1
- SQXSSCWWMNFMGD-UHFFFAOYSA-N 10-(4-butylphenyl)-4a,9a-dihydroacridin-9-one Chemical compound C1=CC(CCCC)=CC=C1N1C2=CC=CC=C2C(=O)C2C=CC=CC21 SQXSSCWWMNFMGD-UHFFFAOYSA-N 0.000 description 1
- LWRQCHMIAJSKAU-UHFFFAOYSA-N 10-(4-butylphenyl)-9,9a-dihydro-4ah-acridine Chemical compound C1=CC(CCCC)=CC=C1N1C2=CC=CC=C2CC2C=CC=CC21 LWRQCHMIAJSKAU-UHFFFAOYSA-N 0.000 description 1
- NIMWATABWXHMOZ-UHFFFAOYSA-N 2,3,4-trimethyl-N,N-diphenylaniline Chemical group CC1=C(C(=C(C=C1)N(C1=CC=CC=C1)C1=CC=CC=C1)C)C NIMWATABWXHMOZ-UHFFFAOYSA-N 0.000 description 1
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- YPIANBZIVBPMJS-UHFFFAOYSA-N 2-bromo-n,n-diphenylaniline Chemical group BrC1=CC=CC=C1N(C=1C=CC=CC=1)C1=CC=CC=C1 YPIANBZIVBPMJS-UHFFFAOYSA-N 0.000 description 1
- UENGBOCGGKLVJJ-UHFFFAOYSA-N 2-chloro-1-(2,4-difluorophenyl)ethanone Chemical group FC1=CC=C(C(=O)CCl)C(F)=C1 UENGBOCGGKLVJJ-UHFFFAOYSA-N 0.000 description 1
- 125000001622 2-naphthyl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C(*)C([H])=C([H])C2=C1[H] 0.000 description 1
- 125000006607 3,3-dimethylbutyloxy group Chemical group 0.000 description 1
- PLALNMFIFWIUFQ-UHFFFAOYSA-N 3-(n-phenylanilino)phenol Chemical group OC1=CC=CC(N(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 PLALNMFIFWIUFQ-UHFFFAOYSA-N 0.000 description 1
- YDXLVFKTOSKBKT-UHFFFAOYSA-N 3-bromo-n,n-diphenylaniline Chemical group BrC1=CC=CC(N(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 YDXLVFKTOSKBKT-UHFFFAOYSA-N 0.000 description 1
- VLRGXXKFHVJQOL-UHFFFAOYSA-N 3-chloropentane-2,4-dione Chemical group CC(=O)C(Cl)C(C)=O VLRGXXKFHVJQOL-UHFFFAOYSA-N 0.000 description 1
- BWGRDBSNKQABCB-UHFFFAOYSA-N 4,4-difluoro-N-[3-[3-(3-methyl-5-propan-2-yl-1,2,4-triazol-4-yl)-8-azabicyclo[3.2.1]octan-8-yl]-1-thiophen-2-ylpropyl]cyclohexane-1-carboxamide Chemical compound CC(C)C1=NN=C(C)N1C1CC2CCC(C1)N2CCC(NC(=O)C1CCC(F)(F)CC1)C1=CC=CS1 BWGRDBSNKQABCB-UHFFFAOYSA-N 0.000 description 1
- SQTLUXJWUCHKMT-UHFFFAOYSA-N 4-bromo-n,n-diphenylaniline Chemical group C1=CC(Br)=CC=C1N(C=1C=CC=CC=1)C1=CC=CC=C1 SQTLUXJWUCHKMT-UHFFFAOYSA-N 0.000 description 1
- UWDMKTDPDJCJOP-UHFFFAOYSA-N 4-hydroxy-2,2,6,6-tetramethylpiperidin-1-ium-4-carboxylate Chemical group CC1(C)CC(O)(C(O)=O)CC(C)(C)N1 UWDMKTDPDJCJOP-UHFFFAOYSA-N 0.000 description 1
- OWWVTWHBNAWUJO-UHFFFAOYSA-N 4-iodo-n,n-diphenylaniline Chemical group C1=CC(I)=CC=C1N(C=1C=CC=CC=1)C1=CC=CC=C1 OWWVTWHBNAWUJO-UHFFFAOYSA-N 0.000 description 1
- 125000000439 4-methylpentoxy group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- UQOKZDUUBVGFAK-UHFFFAOYSA-N 4-nitro-n,n-diphenylaniline Chemical group C1=CC([N+](=O)[O-])=CC=C1N(C=1C=CC=CC=1)C1=CC=CC=C1 UQOKZDUUBVGFAK-UHFFFAOYSA-N 0.000 description 1
- BDLZKUZKMVJHPX-UHFFFAOYSA-N 4a,9,9a,10-tetrahydroacridine Chemical compound N1C2=CC=CC=C2CC2C1C=CC=C2 BDLZKUZKMVJHPX-UHFFFAOYSA-N 0.000 description 1
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- 239000004793 Polystyrene Substances 0.000 description 1
- 238000006069 Suzuki reaction reaction Methods 0.000 description 1
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- 238000004587 chromatography analysis Methods 0.000 description 1
- 125000004230 chromenyl group Chemical group O1C(C=CC2=CC=CC=C12)* 0.000 description 1
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- 229940125898 compound 5 Drugs 0.000 description 1
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- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 125000001995 cyclobutyl group Chemical group [H]C1([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
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- SUAZRRTWDATHDK-UHFFFAOYSA-N cycloheptadecane Chemical group C1CCCCCCCCCCCCCCCC1 SUAZRRTWDATHDK-UHFFFAOYSA-N 0.000 description 1
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- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- KATXJJSCAPBIOB-UHFFFAOYSA-N cyclotetradecane Chemical group C1CCCCCCCCCCCCC1 KATXJJSCAPBIOB-UHFFFAOYSA-N 0.000 description 1
- UEVXKGPJXXDGCX-UHFFFAOYSA-N cyclotridecane Chemical group C1CCCCCCCCCCCC1 UEVXKGPJXXDGCX-UHFFFAOYSA-N 0.000 description 1
- KYTNZWVKKKJXFS-UHFFFAOYSA-N cycloundecane Chemical group C1CCCCCCCCCC1 KYTNZWVKKKJXFS-UHFFFAOYSA-N 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 1
- 125000003838 furazanyl group Chemical group 0.000 description 1
- 125000002541 furyl group Chemical group 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- RBTKNAXYKSUFRK-UHFFFAOYSA-N heliogen blue Chemical compound [Cu].[N-]1C2=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=NC([N-]1)=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=N2 RBTKNAXYKSUFRK-UHFFFAOYSA-N 0.000 description 1
- 125000004446 heteroarylalkyl group Chemical group 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
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- 125000002883 imidazolyl group Chemical group 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 125000003453 indazolyl group Chemical group N1N=C(C2=C1C=CC=C2)* 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
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- 125000001041 indolyl group Chemical group 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 125000001977 isobenzofuranyl group Chemical group C=1(OC=C2C=CC=CC12)* 0.000 description 1
- 125000002510 isobutoxy group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])O* 0.000 description 1
- 125000005929 isobutyloxycarbonyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])OC(*)=O 0.000 description 1
- 125000000904 isoindolyl group Chemical group C=1(NC=C2C=CC=CC12)* 0.000 description 1
- 125000005921 isopentoxy group Chemical group 0.000 description 1
- 125000005932 isopentyloxycarbonyl group Chemical group 0.000 description 1
- 125000002154 isophosphinolinyl group Chemical group C1(=PC=CC2=CC=CC=C12)* 0.000 description 1
- 125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 description 1
- 125000005928 isopropyloxycarbonyl group Chemical group [H]C([H])([H])C([H])(OC(*)=O)C([H])([H])[H] 0.000 description 1
- 125000004628 isothiazolidinyl group Chemical group S1N(CCC1)* 0.000 description 1
- 125000001786 isothiazolyl group Chemical group 0.000 description 1
- 125000003965 isoxazolidinyl group Chemical group 0.000 description 1
- 125000000842 isoxazolyl group Chemical group 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 125000001160 methoxycarbonyl group Chemical group [H]C([H])([H])OC(*)=O 0.000 description 1
- 125000002950 monocyclic group Chemical group 0.000 description 1
- 125000002757 morpholinyl group Chemical group 0.000 description 1
- VQLAUZQBHULEDZ-UHFFFAOYSA-N n-(2-sulfanylethyl)benzamide Chemical compound SCCNC(=O)C1=CC=CC=C1 VQLAUZQBHULEDZ-UHFFFAOYSA-N 0.000 description 1
- 125000006606 n-butoxy group Chemical group 0.000 description 1
- 125000006610 n-decyloxy group Chemical group 0.000 description 1
- 125000001298 n-hexoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- 125000006609 n-nonyloxy group Chemical group 0.000 description 1
- 125000006608 n-octyloxy group Chemical group 0.000 description 1
- 125000003935 n-pentoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- 125000003506 n-propoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- 125000005484 neopentoxy group Chemical group 0.000 description 1
- 125000005933 neopentyloxycarbonyl group Chemical group 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 125000003518 norbornenyl group Chemical group C12(C=CC(CC1)C2)* 0.000 description 1
- 125000005060 octahydroindolyl group Chemical group N1(CCC2CCCCC12)* 0.000 description 1
- 125000005061 octahydroisoindolyl group Chemical group C1(NCC2CCCCC12)* 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 125000000160 oxazolidinyl group Chemical group 0.000 description 1
- 125000002971 oxazolyl group Chemical group 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 1
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 1
- 125000005327 perimidinyl group Chemical group N1C(=NC2=CC=CC3=CC=CC1=C23)* 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
- 125000004934 phenanthridinyl group Chemical group C1(=CC=CC2=NC=C3C=CC=CC3=C12)* 0.000 description 1
- 125000004625 phenanthrolinyl group Chemical group N1=C(C=CC2=CC=C3C=CC=NC3=C12)* 0.000 description 1
- 125000005561 phenanthryl group Chemical group 0.000 description 1
- 125000001791 phenazinyl group Chemical group C1(=CC=CC2=NC3=CC=CC=C3N=C12)* 0.000 description 1
- 125000001484 phenothiazinyl group Chemical group C1(=CC=CC=2SC3=CC=CC=C3NC12)* 0.000 description 1
- 125000005954 phenoxathiinyl group Chemical group 0.000 description 1
- 125000001644 phenoxazinyl group Chemical group C1(=CC=CC=2OC3=CC=CC=C3NC12)* 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 1
- 125000004592 phthalazinyl group Chemical group C1(=NN=CC2=CC=CC=C12)* 0.000 description 1
- 125000004193 piperazinyl group Chemical group 0.000 description 1
- 125000003386 piperidinyl group Chemical group 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000553 poly(phenylenevinylene) Polymers 0.000 description 1
- 229920000327 poly(triphenylamine) polymer Polymers 0.000 description 1
- 229920001197 polyacetylene Polymers 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920000123 polythiophene Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 1
- 125000001042 pteridinyl group Chemical group N1=C(N=CC2=NC=CN=C12)* 0.000 description 1
- 125000000561 purinyl group Chemical group N1=C(N=C2N=CNC2=C1)* 0.000 description 1
- 125000004309 pyranyl group Chemical group O1C(C=CC=C1)* 0.000 description 1
- 125000003373 pyrazinyl group Chemical group 0.000 description 1
- 125000003072 pyrazolidinyl group Chemical group 0.000 description 1
- 125000003226 pyrazolyl group Chemical group 0.000 description 1
- 125000002098 pyridazinyl group Chemical group 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 150000003233 pyrroles Chemical class 0.000 description 1
- 125000000719 pyrrolidinyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 description 1
- 125000001567 quinoxalinyl group Chemical group N1=C(C=NC2=CC=CC=C12)* 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 125000005920 sec-butoxy group Chemical group 0.000 description 1
- 125000005930 sec-butyloxycarbonyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(OC(*)=O)C([H])([H])[H] 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- BEOOHQFXGBMRKU-UHFFFAOYSA-N sodium cyanoborohydride Chemical compound [Na+].[B-]C#N BEOOHQFXGBMRKU-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 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
- 125000004213 tert-butoxy group Chemical group [H]C([H])([H])C(O*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000005931 tert-butyloxycarbonyl group Chemical group [H]C([H])([H])C(OC(*)=O)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000003718 tetrahydrofuranyl group Chemical group 0.000 description 1
- 125000001712 tetrahydronaphthyl group Chemical group C1(CCCC2=CC=CC=C12)* 0.000 description 1
- 125000001412 tetrahydropyranyl group Chemical group 0.000 description 1
- 125000005958 tetrahydrothienyl group Chemical group 0.000 description 1
- 125000001984 thiazolidinyl group Chemical group 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- 125000004568 thiomorpholinyl group Chemical group 0.000 description 1
- 125000005033 thiopyranyl group Chemical group 0.000 description 1
- 125000004306 triazinyl group Chemical group 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H13/00—Monuments; Tombs; Burial vaults; Columbaria
- E04H13/006—Columbaria, mausoleum with frontal access to vaults
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- 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
- C08G61/02—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes
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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
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/14—Carrier transporting layers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
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- Chemical & Material Sciences (AREA)
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- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
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- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Electroluminescent Light Sources (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
Abstract
【解決手段】
下記化学式(1)で表示される青色発光高分子:
【選択図】なし
Description
前記化学式(1)で表される本発明の青色発光高分子を用いる有機EL素子と、その製造方法を説明すれば次の通りである。
下記反応式(1)〜(4)で表される反応によって、本発明による青色発光高分子を作製した。
1−1.アクリジンの還元
1Lの2口の丸底フラスコに、アクリジン45g(0.251mol)、シアノ水素化ホウ素ナトリウム(Na(CN)BH3)31.6g(0.502mol)を入れ、真空乾燥後窒素雰囲気とした。蒸留したテトラヒドロフラン(THF)450mlを加えて、三フッ化ホウ素エーテラート(BF3Etherate)63.6ml(0.502mol)を加えた後、温度を上げて還流して12時間反応させた。反応を薄膜クロマトグラフィで確認した後、氷浴で温度を下げ、28%アンモニア水150mlを徐々に加えて系内をアルカリ性とした後、炭酸ナトリウム水溶液100mlを入れて有機層を抽出した。その後、水層を酢酸エチル100mlで抽出し、有機層を集めて食塩水300mlで洗浄した。有機層をMgSO4で乾燥した後にろ過して濃縮して、さらに真空乾燥させて粗生成物49gを得た(収率:理論値を超えた、黄緑色結晶)。得られた粗生成物の1H−NMRスペクトルは下記表1の通りであった。
前記1−1.で作製した8a,9,10,10a−テトラヒドロアクリジン粗生成物49g(0.251mol)、1−ブロモ−4−ブチルベンゼン53.1ml(0.301mol)、ナトリウム−t−ブトキシド(NaOt−Bu)48.2g(0.502mol)、および酢酸パラジウム(II)(Pd(OAc)2)3g(0.013mol)を2口フラスコに入れて窒素で満たした後、トルエン500mlを入れ温度を60℃まで上げた。その後、トリ−tert−ブチルホスフィン(P(t−butyl)3)の濃度が50質量%であるトルエン溶液24.2ml(0.0502mol)を加え1時間還流して反応させた。反応を薄層クロマトグラフィで確認した後、室温まで温度を下げ、酢酸エチル50ml、および水50mlを加え攪拌した後、セライトパッドを通してろ過した。ろ液を水500mlで2回洗浄し、食塩水500mlで洗浄した後に、MgSO4で乾燥し、ろ過によりMgSO4を取り除いてろ液を濃縮した。濃縮された残留物に、エーテル800mlを入れて1時間懸濁攪拌し、ろ過して、生成物を結晶として58.1g得た(収率:73.8%、薄ピンク色結晶)。得られた生成物の1H−NMRは下記表2の通りであった。
1Lの2口の丸底フラスコに、前記1−2.で得られた10−(4−ブチルフェニル)−8a,9,10,10a−テトラヒドロアクリジン13g(0.0415mol)、および水250mlを入れ、さらに60%硝酸(HNO3)250mlを入れて、温度を上げ80℃で2時間反応させた。反応液を薄層クロマトグラフィで確認した後、室温まで温度を下げ、反応混合物に塩化メチレン500mlを加えて攪拌し抽出した。水層を塩化メチレン200mlおよび塩化メチレン100mlで抽出し、有機層を集めて炭酸ナトリウム水溶液500mlで系内をアルカリ性とし、洗浄した。その後、有機層を食塩水500mlで洗浄し、MgSO4で乾燥し、ろ過によりMgSO4を取り除いてろ液を濃縮した。濃縮された残留物に少量の塩化メチレンを加えて溶かし、n−へキサンで結晶化させて、1次再結晶4.41gを得た。ろ液を濃縮し、エーテルで懸濁攪拌して、2次再結晶5.43gを得た(生成物の総収量9.84g、収率:72.5%、黄緑色結晶)。得られた生成物の1H−NMRは下記表3の通りであった。
前記1−3.で得られた10−(4−ブチルフェニル)−10,10a−ジヒドロアクリジン−9(8aH)−オン9.8g(0.0314mol)、および塩化メチレン(MC)100mlを、250mlの1口の丸底フラスコに入れて攪拌した。N−ブロモスクシンイミド(NBS)11.2g(0.0628mol)を徐々に添加した後に常温で24時間攪拌して反応させた。薄層クロマトグラフィで反応を確認した後、溶媒を一部濃縮しメチルアルコール150mlを入れて懸濁攪拌した。生成した固体をろ過して、真空乾燥させて、生成物である2,7−ジブロモ−10−(4−ブチルフェニル)−10,10a−ジヒドロアクリジン−9(8aH)−オン10.39gを得た(収率:68.3%、黄色結晶)得られた生成物の1H−NMRは下記表4の通りであった。
1−5−1.化合物1の合成
1Lの2口の丸底フラスコを真空乾燥後に窒素雰囲気にした後、TiCl3懸濁液4g(20.1mmol)とLiAlH4 383mg(10.1mmol)とを入れて10分間攪拌した。その後、トリエチルアミン(Et3N)0.74ml(10.1mmol)を入れて1時間攪拌した後、2,7−ジブロモ−10−(4−ブチルフェニル)−10,10a−ジヒドロアクリジン−9(8aH)−オン0.1g(2.05mmol)と2−アダマンタン308mg(2.05mmol)とをTHF15mlに加えて15時間還流させた。その後、反応液を水で希釈し酢酸エチルで抽出した後、シリカゲルカラムで分離し、前記反応式(1)に示す化合物1を得た(生成物の収率:45%、薄黄色粉末)。得られた化合物1の1H−NMRは下記表5の通りであった。
1Lの2口の丸底フラスコを真空乾燥後に窒素雰囲気にした後、TiCl3懸濁液4g(20.1mmol)とLiAlH4 383mg(10.1mmol)とを入れて10分間攪拌した。その後、トリエチルアミン(Et3N)0.74ml(10.1mmol)を入れて1時間攪拌した後、2,7−ジブロモ−10−(4−ブチルフェニル)−10,10a−ジヒドロアクリジン−9(8aH)−オン0.1g(2.05mmol)とシクロヘキサノン201mg(2.05mmol)とをTHF15mlに加えて15時間還流させた。その後、反応液を水で希釈し酢酸エチルで抽出した後、シリカゲルカラムで分離し、前記反応式(1)に示す化合物2を得た(生成物の収率:40%、薄黄色粉末)。得られた化合物2の1H−NMRは下記表6の通りであった。
1Lの2口の丸底フラスコを真空乾燥後に窒素雰囲気にした後、TiCl3懸濁液4g(20.1mmol)とLiAlH4 383mg(10.1mmol)とを入れて10分間攪拌した。その後、トリエチルアミン(Et3N)0.74ml(10.1mmol)を入れて1時間攪拌した後、2,7−ジブロモ−10−(4−ブチルフェニル)−10,10a−ジヒドロアクリジン−9(8aH)−オン0.1g(2.05mmol)とベンズアルデヒド210mg(2.05mmol)とをTHF15mlに加えて15時間還流させた。その後、反応液を水で希釈し酢酸エチルで抽出した後、シリカゲルカラムで分離し、前記反応式(1)に示す化合物3を得た(生成物の収率:50%、薄黄色粉末)。得られた化合物3の1H−NMRは下記表7の通りであった。
1−6−1.青色発光高分子1の合成(実施例1−a)
下記反応式(6)で表される反応によって、従来の有機EL素子に用いられている高分子5を作製した。
下記反応式(7)で表される反応によって、従来の有機EL素子に用いられている高分子6を作製した。
下記反応式(8)で表される反応によって、従来の有機EL素子に用いられている高分子7を作製した。
前記実施例1−aによって作製した青色発光高分子1を用いて、次のように有機EL素子を作製した。
PEDOT層上に中間層としてPFB(フルオレンとフェニレンジアミンとの共重合体)層を10nmの厚さで積層し、その上に青色発光高分子1を含む発光層形成用の組成物をスピンコートし、発光層を形成させたこと以外は、実施例3と同様の方法によって有機EL素子を作製した。
青色発光高分子1の代わりに、実施例2によって作製した青色発光高分子4を用いたということ以外は、実施例3と同様の方法によって有機EL素子を作製した。
PEDOT層上に中間層としてH5(スピロビフルオレンとフェノキサジンとの共重合体)層を10nmの厚さで積層し、その上に青色発光高分子2を含む発光層形成用の組成物をスピンコートし、発光層を形成させたこと以外は、実施例5と同様の方法によって有機EL素子を作製した。
PEDOT層上に中間層としてBFE(ダウケミカル社製)層を10nmの厚さで積層し、その上に青色発光高分子2を含む発光層形成用の組成物をスピンコートし、発光層を形成させたこと以外は、実施例5と同様の方法によって有機EL素子を作製した。
青色発光高分子1の代わりに、比較例1で作製した高分子5を用いた以外は、実施例3と同じ方法によって有機EL素子を作製した。
青色発光高分子1の代りに、比較例2で作製した高分子6を用いた以外は、実施例3と同様の方法によって有機EL素子を作製した。
青色発光高分子1の代りに、比較例2で作製した高分子6を用いた以外は、実施例4と同様の方法によって有機EL素子を作製した。
青色発光高分子1の代りに、比較例3で作製した高分子7を用いた以外は、実施例3と同様の方法によって有機EL素子を作製した。
青色発光高分子1の代りに、比較例3で作製した高分子7を用いた以外は、実施例4と同様の方法によって有機EL素子を作製した。
11 正孔注入層、
12 発光層、
13 正孔ブロッキング層、
14 第2電極、
15 電子輸送層、
16 正孔輸送層。
Claims (7)
- 下記化学式(1)で表示される青色発光高分子:
xは、0.001〜0.99の実数であり;
nは、10〜150の整数であり;
Ar1は、置換基を有していてもよいC6〜C30の2価の芳香環含有化合物残基、置換基を有していてもよいC2〜C30の2価の複素環含有化合物残基、置換基を有していてもよいC2〜C30の2価のヘテロ原子を含む飽和環を含む化合物残基、および置換基を有していてもよいC2〜C30の2価のビニレン構造を含む基からなる群より選択される基であり;
R1およびR2は、互いに独立して、水素原子、置換基を有していてもよいC1〜C20の直鎖状もしくは分岐状のアルキル基、置換基を有していてもよいC1〜C20の直鎖状もしくは分岐状のアルコキシ基、置換基を有していてもよいC6〜C30のアリール基、置換基を有していてもよいC4〜C20のシクロアルキル基、またはR1およびR2は互いに連結されて炭素環を形成し;
R3は、水素原子、置換基を有していてもよいC1〜C20の直鎖状もしくは分岐状のアルキル基、置換基を有していてもよいC1〜C20の直鎖状もしくは分岐状のアルコキシ基、エステル基、シアノ基、置換基を有していてもよいC6〜C30のアリール基、置換基を有していてもよいC2〜C30のヘテロアリール基、置換基を有していてもよいC2〜C30のヘテロ環基、または置換基を有していてもよいC4〜C20のシクロアルキル基であり;
R4は、水素原子、置換基を有していてもよいC1〜C12の直鎖状または分岐状のアルキル基、置換基を有していてもよいC1〜C20の直鎖状または分岐状のアルコキシ基、エステル基、置換基を有していてもよいC6〜C30のアリール基、置換基を有していてもよいC2〜C30のヘテロアリール基、置換基を有していてもよいC2〜C30のヘテロ環基、および置換基を有していてもよいトリフェニルアミン基からなる群より選択される基である。 - 前記化学式(1)のAr1は、下記化学式(2)〜(19)で表される基からなる群より選択されるいずれか1つであることを特徴とする、請求項1に記載の青色発光高分子:
- 前記化学式(1)のAr1は、前記化学式(4)または前記化学式(18)で表される基であることを特徴とする、請求項2に記載の青色発光高分子。
- 前記化学式(1)において、R1およびR2が互いに連結されて炭素環を形成することを特徴とする、請求項1〜3のいずれか1項に記載の青色発光高分子。
- 前記炭素環がヘテロ原子を含むことを特徴とする、請求項4に記載の青色発光高分子。
- 1対の電極間に有機膜を備え、前記有機膜が請求項1〜5のいずれか1項に記載の青色発光高分子を含むことを特徴とする、有機電界発光素子。
- 前記有機膜は、発光層または正孔輸送層であることを特徴とする、請求項6に記載の有機電界発光素子。
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