WO2005118606A1 - フッ素置換イリジウム錯体およびこれを用いた発光材料 - Google Patents
フッ素置換イリジウム錯体およびこれを用いた発光材料 Download PDFInfo
- Publication number
- WO2005118606A1 WO2005118606A1 PCT/JP2005/010234 JP2005010234W WO2005118606A1 WO 2005118606 A1 WO2005118606 A1 WO 2005118606A1 JP 2005010234 W JP2005010234 W JP 2005010234W WO 2005118606 A1 WO2005118606 A1 WO 2005118606A1
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- WIPO (PCT)
- Prior art keywords
- general formula
- iridium complex
- ligand
- group
- formula
- Prior art date
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- 239000000463 material Substances 0.000 title claims abstract description 33
- -1 Fluorine-substituted iridium Chemical class 0.000 title description 45
- 229910052741 iridium Inorganic materials 0.000 claims abstract description 83
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims abstract description 83
- 239000003446 ligand Substances 0.000 claims abstract description 75
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 73
- 125000001153 fluoro group Chemical group F* 0.000 claims abstract description 73
- 125000001424 substituent group Chemical group 0.000 claims abstract description 31
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 4
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims abstract description 4
- 125000005594 diketone group Chemical group 0.000 claims abstract description 4
- 150000002367 halogens Chemical class 0.000 claims abstract description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 4
- 239000011574 phosphorus Substances 0.000 claims abstract description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 56
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 43
- 229910052757 nitrogen Inorganic materials 0.000 claims description 11
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 11
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 9
- NAWXUBYGYWOOIX-SFHVURJKSA-N (2s)-2-[[4-[2-(2,4-diaminoquinazolin-6-yl)ethyl]benzoyl]amino]-4-methylidenepentanedioic acid Chemical compound C1=CC2=NC(N)=NC(N)=C2C=C1CCC1=CC=C(C(=O)N[C@@H](CC(=C)C(O)=O)C(O)=O)C=C1 NAWXUBYGYWOOIX-SFHVURJKSA-N 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 125000005647 linker group Chemical group 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 abstract description 108
- 238000006243 chemical reaction Methods 0.000 abstract description 15
- 239000011737 fluorine Substances 0.000 abstract description 9
- 238000004020 luminiscence type Methods 0.000 abstract description 9
- 239000000975 dye Substances 0.000 abstract description 8
- 238000004891 communication Methods 0.000 abstract description 7
- 239000003504 photosensitizing agent Substances 0.000 abstract description 6
- 230000003287 optical effect Effects 0.000 abstract description 5
- 239000000990 laser dye Substances 0.000 abstract description 3
- 230000002165 photosensitisation Effects 0.000 abstract description 3
- 238000005286 illumination Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- BYSUYBCCLCSGPR-UHFFFAOYSA-N 1h-pyrazol-5-yloxyboronic acid Chemical compound OB(O)OC1=CC=NN1 BYSUYBCCLCSGPR-UHFFFAOYSA-N 0.000 abstract 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 54
- 238000003786 synthesis reaction Methods 0.000 description 32
- 230000015572 biosynthetic process Effects 0.000 description 31
- 238000005481 NMR spectroscopy Methods 0.000 description 29
- 229910052786 argon Inorganic materials 0.000 description 27
- 239000007789 gas Substances 0.000 description 27
- 239000000243 solution Substances 0.000 description 26
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 24
- 238000000295 emission spectrum Methods 0.000 description 23
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 21
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 20
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 20
- 238000010992 reflux Methods 0.000 description 18
- 239000002904 solvent Substances 0.000 description 18
- 238000005160 1H NMR spectroscopy Methods 0.000 description 17
- 150000005360 2-phenylpyridines Chemical class 0.000 description 17
- 235000002597 Solanum melongena Nutrition 0.000 description 17
- 125000000217 alkyl group Chemical group 0.000 description 15
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 15
- 238000000034 method Methods 0.000 description 14
- 239000007787 solid Substances 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 11
- 150000002503 iridium Chemical class 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 9
- 229940093475 2-ethoxyethanol Drugs 0.000 description 9
- 239000004809 Teflon Substances 0.000 description 9
- 229920006362 Teflon® Polymers 0.000 description 9
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 8
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 125000003545 alkoxy group Chemical group 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 230000002194 synthesizing effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 125000006575 electron-withdrawing group Chemical group 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 125000001624 naphthyl group Chemical group 0.000 description 5
- 125000003226 pyrazolyl group Chemical group 0.000 description 5
- 125000004076 pyridyl group Chemical group 0.000 description 5
- RLEBKHAOAHYZHT-UHFFFAOYSA-M sodium;pyridine-2-carboxylate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=N1 RLEBKHAOAHYZHT-UHFFFAOYSA-M 0.000 description 5
- NQKODLUQJOBDOG-UHFFFAOYSA-N 2-(2,4-difluorophenyl)-4-fluoropyridine Chemical compound FC1=CC=NC(C=2C(=CC(F)=CC=2)F)=C1 NQKODLUQJOBDOG-UHFFFAOYSA-N 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical group CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 4
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 4
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 4
- 125000003118 aryl group Chemical group 0.000 description 4
- 150000001768 cations Chemical class 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000002330 electrospray ionisation mass spectrometry Methods 0.000 description 4
- 238000001748 luminescence spectrum Methods 0.000 description 4
- 239000012046 mixed solvent Substances 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 229910052700 potassium Inorganic materials 0.000 description 4
- 239000011591 potassium Substances 0.000 description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 description 4
- QQLRSCZSKQTFGY-UHFFFAOYSA-N (2,4-difluorophenyl)boronic acid Chemical compound OB(O)C1=CC=C(F)C=C1F QQLRSCZSKQTFGY-UHFFFAOYSA-N 0.000 description 3
- SSABEFIRGJISFH-UHFFFAOYSA-N 2-(2,4-difluorophenyl)pyridine Chemical compound FC1=CC(F)=CC=C1C1=CC=CC=N1 SSABEFIRGJISFH-UHFFFAOYSA-N 0.000 description 3
- 229910021638 Iridium(III) chloride Inorganic materials 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical class CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 3
- 125000002252 acyl group Chemical group 0.000 description 3
- 125000003277 amino group Chemical group 0.000 description 3
- 239000012300 argon atmosphere Substances 0.000 description 3
- 125000004104 aryloxy group Chemical group 0.000 description 3
- 150000001721 carbon Chemical group 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000005281 excited state Effects 0.000 description 3
- 125000000623 heterocyclic group Chemical group 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- PTMHPRAIXMAOOB-UHFFFAOYSA-N phosphoramidic acid Chemical group NP(O)(O)=O PTMHPRAIXMAOOB-UHFFFAOYSA-N 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000006862 quantum yield reaction Methods 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 238000010898 silica gel chromatography Methods 0.000 description 3
- 125000001425 triazolyl group Chemical group 0.000 description 3
- DANYXEHCMQHDNX-UHFFFAOYSA-K trichloroiridium Chemical compound Cl[Ir](Cl)Cl DANYXEHCMQHDNX-UHFFFAOYSA-K 0.000 description 3
- CSCPPACGZOOCGX-MICDWDOJSA-N 1-deuteriopropan-2-one Chemical compound [2H]CC(C)=O CSCPPACGZOOCGX-MICDWDOJSA-N 0.000 description 2
- VQGHOUODWALEFC-UHFFFAOYSA-N 2-phenylpyridine Chemical compound C1=CC=CC=C1C1=CC=CC=N1 VQGHOUODWALEFC-UHFFFAOYSA-N 0.000 description 2
- BRARRAHGNDUELT-UHFFFAOYSA-N 3-hydroxypicolinic acid Chemical compound OC(=O)C1=NC=CC=C1O BRARRAHGNDUELT-UHFFFAOYSA-N 0.000 description 2
- ANQRMRPPTOTTMQ-UHFFFAOYSA-N 4-fluoro-2-(4-fluorophenyl)pyridine Chemical compound C1=CC(F)=CC=C1C1=CC(F)=CC=N1 ANQRMRPPTOTTMQ-UHFFFAOYSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 125000003342 alkenyl group Chemical group 0.000 description 2
- 125000000304 alkynyl group Chemical group 0.000 description 2
- 125000004397 aminosulfonyl group Chemical group NS(=O)(=O)* 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 125000004093 cyano group Chemical group *C#N 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000001815 facial effect Effects 0.000 description 2
- 125000005843 halogen group Chemical group 0.000 description 2
- 125000005842 heteroatom Chemical group 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 125000004170 methylsulfonyl group Chemical group [H]C([H])([H])S(*)(=O)=O 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000033116 oxidation-reduction process Effects 0.000 description 2
- 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 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229920000642 polymer Chemical group 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- VLRICFVOGGIMKK-UHFFFAOYSA-N pyrazol-1-yloxyboronic acid Chemical compound OB(O)ON1C=CC=N1 VLRICFVOGGIMKK-UHFFFAOYSA-N 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 238000000859 sublimation Methods 0.000 description 2
- 230000008022 sublimation Effects 0.000 description 2
- 125000005650 substituted phenylene group Chemical group 0.000 description 2
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 125000001889 triflyl group Chemical group FC(F)(F)S(*)(=O)=O 0.000 description 2
- 238000001771 vacuum deposition Methods 0.000 description 2
- NFRYVRNCDXULEX-UHFFFAOYSA-N (2-diphenylphosphanylphenyl)-diphenylphosphane Chemical compound C1=CC=CC=C1P(C=1C(=CC=CC=1)P(C=1C=CC=CC=1)C=1C=CC=CC=1)C1=CC=CC=C1 NFRYVRNCDXULEX-UHFFFAOYSA-N 0.000 description 1
- VAIFYHGFLAPCON-UHFFFAOYSA-N 1,3-Diacetylpropane Chemical compound CC(=O)CCCC(C)=O VAIFYHGFLAPCON-UHFFFAOYSA-N 0.000 description 1
- MBTGBRYMJKYYOE-UHFFFAOYSA-N 2,6-difluoropyridine Chemical compound FC1=CC=CC(F)=N1 MBTGBRYMJKYYOE-UHFFFAOYSA-N 0.000 description 1
- SFBKUOUGYBWAGF-UHFFFAOYSA-N 2-(2,4-difluorophenyl)-3-fluoropyridine Chemical compound C1(=CC=CN=C1C1=C(F)C=C(F)C=C1)F SFBKUOUGYBWAGF-UHFFFAOYSA-N 0.000 description 1
- OEYDSDFPOHPOIM-UHFFFAOYSA-N 2-(2,4-difluorophenyl)-6-fluoropyridine Chemical compound FC1=CC(F)=CC=C1C1=CC=CC(F)=N1 OEYDSDFPOHPOIM-UHFFFAOYSA-N 0.000 description 1
- LQWXEEDCMLEVHU-UHFFFAOYSA-N 2-(2h-tetrazol-5-yl)pyridine Chemical compound N1=CC=CC=C1C1=NNN=N1 LQWXEEDCMLEVHU-UHFFFAOYSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- ZIDIKYIZXMYHAW-UHFFFAOYSA-N 2-bromo-6-fluoropyridine Chemical compound FC1=CC=CC(Br)=N1 ZIDIKYIZXMYHAW-UHFFFAOYSA-N 0.000 description 1
- 125000004974 2-butenyl group Chemical group C(C=CC)* 0.000 description 1
- FGSAQRJRWCZLOB-UHFFFAOYSA-N 2-chloro-4-fluoropyridine Chemical compound FC1=CC=NC(Cl)=C1 FGSAQRJRWCZLOB-UHFFFAOYSA-N 0.000 description 1
- NEAQRZUHTPSBBM-UHFFFAOYSA-N 2-hydroxy-3,3-dimethyl-7-nitro-4h-isoquinolin-1-one Chemical compound C1=C([N+]([O-])=O)C=C2C(=O)N(O)C(C)(C)CC2=C1 NEAQRZUHTPSBBM-UHFFFAOYSA-N 0.000 description 1
- 125000001494 2-propynyl group Chemical group [H]C#CC([H])([H])* 0.000 description 1
- YNFBMDWHEHETJW-UHFFFAOYSA-N 2-pyridin-2-yl-1h-benzimidazole Chemical class N1=CC=CC=C1C1=NC2=CC=CC=C2N1 YNFBMDWHEHETJW-UHFFFAOYSA-N 0.000 description 1
- LMHIBYREWJHKNZ-UHFFFAOYSA-N 3-methylpyridine-2-carboxylic acid Chemical compound CC1=CC=CN=C1C(O)=O LMHIBYREWJHKNZ-UHFFFAOYSA-N 0.000 description 1
- LBUNNMJLXWQQBY-UHFFFAOYSA-N 4-fluorophenylboronic acid Chemical compound OB(O)C1=CC=C(F)C=C1 LBUNNMJLXWQQBY-UHFFFAOYSA-N 0.000 description 1
- 125000000590 4-methylphenyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 description 1
- CNGYZEMWVAWWOB-VAWYXSNFSA-N 5-[[4-anilino-6-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl]amino]-2-[(e)-2-[4-[[4-anilino-6-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]ethenyl]benzenesulfonic acid Chemical compound N=1C(NC=2C=C(C(\C=C\C=3C(=CC(NC=4N=C(N=C(NC=5C=CC=CC=5)N=4)N(CCO)CCO)=CC=3)S(O)(=O)=O)=CC=2)S(O)(=O)=O)=NC(N(CCO)CCO)=NC=1NC1=CC=CC=C1 CNGYZEMWVAWWOB-VAWYXSNFSA-N 0.000 description 1
- FQIUCPGDKPXSLL-UHFFFAOYSA-N 5-bromopyridine-3-carboxylic acid Chemical compound OC(=O)C1=CN=CC(Br)=C1 FQIUCPGDKPXSLL-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 101710134784 Agnoprotein Proteins 0.000 description 1
- ROFVEXUMMXZLPA-UHFFFAOYSA-N Bipyridyl Chemical group N1=CC=CC=C1C1=CC=CC=N1 ROFVEXUMMXZLPA-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- ZYSSNSIOLIJYRF-UHFFFAOYSA-H Cl[Ir](Cl)(Cl)(Cl)(Cl)Cl Chemical compound Cl[Ir](Cl)(Cl)(Cl)(Cl)Cl ZYSSNSIOLIJYRF-UHFFFAOYSA-H 0.000 description 1
- GSNUFIFRDBKVIE-UHFFFAOYSA-N DMF Natural products CC1=CC=C(C)O1 GSNUFIFRDBKVIE-UHFFFAOYSA-N 0.000 description 1
- 108700042658 GAP-43 Proteins 0.000 description 1
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 1
- JOZYBUSXAGFNKN-UHFFFAOYSA-N N-pyridin-2-ylpyridin-2-amine Chemical compound N(c1ccccn1)c1ccccn1.N(c1ccccn1)c1ccccn1 JOZYBUSXAGFNKN-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- NCKJIJSEWKIXAT-QURGRASLSA-N [(e)-2-diphenylphosphanylethenyl]-diphenylphosphane Chemical group C=1C=CC=CC=1P(C=1C=CC=CC=1)/C=C/P(C=1C=CC=CC=1)C1=CC=CC=C1 NCKJIJSEWKIXAT-QURGRASLSA-N 0.000 description 1
- KUHVVLFCTMTYGR-UHFFFAOYSA-N [2-fluoro-5-(trifluoromethyl)phenyl]boronic acid Chemical compound OB(O)C1=CC(C(F)(F)F)=CC=C1F KUHVVLFCTMTYGR-UHFFFAOYSA-N 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 125000000738 acetamido group Chemical group [H]C([H])([H])C(=O)N([H])[*] 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000005456 alcohol based solvent Substances 0.000 description 1
- 229910001413 alkali metal ion Inorganic materials 0.000 description 1
- 229910001420 alkaline earth metal ion Inorganic materials 0.000 description 1
- 125000004453 alkoxycarbonyl group Chemical group 0.000 description 1
- 125000004414 alkyl thio group Chemical group 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- XJDFBLQCLSBCGQ-UHFFFAOYSA-N anthracene-1-carbaldehyde Chemical compound C1=CC=C2C=C3C(C=O)=CC=CC3=CC2=C1 XJDFBLQCLSBCGQ-UHFFFAOYSA-N 0.000 description 1
- 239000000010 aprotic solvent Substances 0.000 description 1
- 125000005110 aryl thio group Chemical group 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 125000002785 azepinyl group Chemical group 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 125000000043 benzamido group Chemical group [H]N([*])C(=O)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 125000003785 benzimidazolyl group Chemical group N1=C(NC2=C1C=CC=C2)* 0.000 description 1
- 125000001164 benzothiazolyl group Chemical group S1C(=NC2=C1C=CC=C2)* 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 description 1
- 125000001951 carbamoylamino group Chemical group C(N)(=O)N* 0.000 description 1
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 description 1
- 239000007810 chemical reaction solvent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 125000002704 decyl 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])* 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- NZZIMKJIVMHWJC-UHFFFAOYSA-N dibenzoylmethane Chemical compound C=1C=CC=CC=1C(=O)CC(=O)C1=CC=CC=C1 NZZIMKJIVMHWJC-UHFFFAOYSA-N 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- 229960001760 dimethyl sulfoxide Drugs 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 description 1
- 125000002541 furyl group Chemical group 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 125000000717 hydrazino group Chemical group [H]N([*])N([H])[H] 0.000 description 1
- 125000002883 imidazolyl group Chemical group 0.000 description 1
- 125000001841 imino group Chemical group [H]N=* 0.000 description 1
- 230000009878 intermolecular interaction Effects 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 150000002504 iridium compounds Chemical class 0.000 description 1
- UEEXRMUCXBPYOV-UHFFFAOYSA-N iridium;2-phenylpyridine Chemical compound [Ir].C1=CC=CC=C1C1=CC=CC=N1.C1=CC=CC=C1C1=CC=CC=N1.C1=CC=CC=C1C1=CC=CC=N1 UEEXRMUCXBPYOV-UHFFFAOYSA-N 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 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
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 125000000913 palmityl 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])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
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical class OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 1
- 125000005009 perfluoropropyl group Chemical group FC(C(C(F)(F)F)(F)F)(F)* 0.000 description 1
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 1
- 150000005359 phenylpyridines Chemical class 0.000 description 1
- 125000003356 phenylsulfanyl group Chemical group [*]SC1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 125000003170 phenylsulfonyl group Chemical group C1(=CC=CC=C1)S(=O)(=O)* 0.000 description 1
- 150000003003 phosphines Chemical class 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical class OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- SIOXPEMLGUPBBT-UHFFFAOYSA-N picolinic acid Chemical class OC(=O)C1=CC=CC=N1 SIOXPEMLGUPBBT-UHFFFAOYSA-N 0.000 description 1
- 125000005936 piperidyl group Chemical group 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 239000003586 protic polar solvent Substances 0.000 description 1
- 150000005292 pyrazolylpyridines Chemical class 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 125000005554 pyridyloxy group Chemical group 0.000 description 1
- 125000005030 pyridylthio group Chemical group N1=C(C=CC=C1)S* 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 125000005493 quinolyl group Chemical group 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 125000004469 siloxy group Chemical group [SiH3]O* 0.000 description 1
- 229940100890 silver compound Drugs 0.000 description 1
- 150000003379 silver compounds Chemical class 0.000 description 1
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 description 1
- KFLRWGSAMLBHBV-UHFFFAOYSA-M sodium;pyridine-3-carboxylate Chemical compound [Na+].[O-]C(=O)C1=CC=CN=C1 KFLRWGSAMLBHBV-UHFFFAOYSA-M 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 125000003107 substituted aryl group Chemical group 0.000 description 1
- 125000000213 sulfino group Chemical group [H]OS(*)=O 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
- 125000003375 sulfoxide group Chemical group 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 239000003115 supporting electrolyte Substances 0.000 description 1
- 125000004149 thio group Chemical group *S* 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 125000002088 tosyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1C([H])([H])[H])S(*)(=O)=O 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- BDZBKCUKTQZUTL-UHFFFAOYSA-N triethyl phosphite Chemical compound CCOP(OCC)OCC BDZBKCUKTQZUTL-UHFFFAOYSA-N 0.000 description 1
- 125000004044 trifluoroacetyl group Chemical group FC(C(=O)*)(F)F 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
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/14—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F15/00—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
- C07F15/0006—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table compounds of the platinum group
- C07F15/0033—Iridium compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B57/00—Other synthetic dyes of known constitution
- C09B57/10—Metal complexes of organic compounds not being dyes in uncomplexed form
-
- 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
-
- 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
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/10—Non-macromolecular compounds
- C09K2211/1018—Heterocyclic compounds
- C09K2211/1025—Heterocyclic compounds characterised by ligands
- C09K2211/1029—Heterocyclic compounds characterised by ligands containing one nitrogen atom as the heteroatom
-
- 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
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/18—Metal complexes
- C09K2211/185—Metal complexes of the platinum group, i.e. Os, Ir, Pt, Ru, Rh or Pd
Definitions
- the present invention relates to a material for an organic electroluminescent (organic EL) device, a material for an electrochemiluminescence (ECL) device, a light-emitting sensor, a photosensitizer, a display, a fluorescent brightener, a photographic material, and a laser.
- the present invention relates to a novel iridium complex useful for a dye, a dye for a color filter, an optical communication, a color conversion filter, a backlight, a light, a photosensitizing dye, various light sources, and the like, and a blue light-emitting material comprising the compound.
- Organic electroluminescent (organic EL) elements are attracting attention as display elements for next-generation portable information terminals and the like, and in recent years, various organic materials used for light-emitting elements have been actively developed. It has become so.
- the light-emitting materials can be broadly classified into fluorescent materials using light emission from excited singlet and phosphorescent materials using light emission from excited triplet.
- the production ratio of singlet exciton to triplet exciton is 1: 3, so that the probability of generation of luminescent excited species is 25%, and light extraction efficiency Is about 20%, which limits the quantum efficiency to 5%.
- the upper limit of the internal quantum efficiency will be 100%, and the luminescence efficiency will be twice as high as that of the excited singlet.
- phosphorescent materials an ortho-metallated iridium complex represented by a tris (2-phenylpyridine) iridium complex is considered to be promising from the viewpoint of luminous efficiency, and is a light-emitting element material that has received particular attention.
- Patent Document 1 phosphorescent materials used as light-emitting element materials have been actively developed. However, among the three primary colors required for full-color display, particularly phosphorescent materials having blue and sufficient characteristics have been obtained. What,
- Phosphorescent iridium complexes exhibiting blue light emission properties include iridium in which a fluorine atom is introduced at a specific site (2- and 4-position) of a phenyl group of a 2-phenylpyridine derivative ligand. Complexes have been reported. For example, many phosphorescent iridium complexes having a 2- (2,4-difluorophenyl) pyridine ligand represented by the following formulas (A) to (P) have been disclosed.
- Patent Documents (12) to (15) relate to the present invention, and describe fluorine-substituted lithium complexes (for example, the following formulas (F-1) to (F-3)).
- fluorine-substituted lithium complexes for example, the following formulas (F-1) to (F-3).
- Patent Document 1 WO 00/70655 pamphlet
- Patent Document 2 WO 02/15645 pamphlet
- Patent Document 3 Patent Publication 2002-117978
- Patent Document 4 Patent Publication No. 2002-170684
- Patent Document 5 Patent Publication No. 2002-235076
- Patent Document 6 Patent Publication 2003-133074
- Patent Document 7 Patent Publication No. 2003-253128
- Patent Document 8 Patent Publication 2003-321546
- Patent Document 9 Patent Publication No. 2003-342325
- Patent Document 10 Patent Publication 2005-38847
- Patent Document 11 Patent Publication 2005-82598
- Patent Document 12 Patent Publication 2003-113161
- Patent Document 13 Patent Publication 2003-113163
- Patent Document 14 Patent Publication No. 2003-113164
- Patent Document 15 Patent Publication 2003-113190
- Non-Patent Document 1 Applied Physics Letters 2003 Vol. 83, p. 3818
- Non-Patent Document 2 Chemical Communication 2004 1774
- Non-Patent Document 3 Advanced Materials 2005 Volume 17 285
- Non-Patent Document 4 Inorganic Chemistry 2005 Volume 44 1713
- Non-Patent Document 5 Proceedings of the 51st JSAP Lecture Meeting on Applied Physics 30p— ZN— 5 Disclosure of the Invention
- An object of the present invention is to provide a light-emitting element capable of emitting light of high luminance and high efficiency and having excellent durability, and a material for an organic electroluminescent element, an electrochemiluminescence (ECL) element material which can be used for the light-emitting element.
- An object of the present invention is to provide a novel blue light-emitting iridium complex that can be applied.
- the present inventor has conducted intensive studies in view of the current situation that the above-mentioned known iridium complex having a 2-phenylpyridine derivative ligand still contains a large amount of green component in its emission.
- a fluorine atom is added to the pyridine ring of the ligand, 2-phenylpyridine derivative ligand, at the meta position (see the following formula) with respect to the substituted phenyl group.
- the method of introduction was extremely effective.
- R -R 8 represents a hydrogen atom or a substituent. However, at least one of R 1 or R 3 is a fluorine atom, and at least one of R 5 or R 7 is fluorine atom.
- n 1 represents an integer of 1 to 3
- n 2 represents an integer of 0 to 4.
- R 1 () ⁇ R 17 represents a hydrogen atom or a substituent. However, at least one of R 1Q and R 1 2 is a fluorine atom, further, R 14 or R 16 At least one is a fluorine atom.
- R 2Q to R 23 represent a hydrogen atom or a substituent.
- R 3 ° to R 32 represent a hydrogen atom or a substituent.
- R 4 ° to R 41 represent a hydrogen atom or a substituent.
- n 3 represents 0 or 1.
- X 1 represents a hydrogen atom or a substituent.
- R 50 to R 57 represent a hydrogen atom or a substituent.
- R 6Q to R 69 represent a hydrogen atom or a substituent.
- A represents a linking group.
- (11) The iridium complex according to any one of the above ( 1 ) to (4), wherein L 1 is a ligand represented by the following general formula (8).
- R 7 ° to R 75 represent a hydrogen atom or a substituent.
- Y and Z are a nitrogen atom or a carbon atom. However, when Y is a nitrogen atom, R 74 is present. No, when Z is a nitrogen atom, R 75 does not exist.
- R 8Q to R 84 represent a hydrogen atom or a substituent.
- R 9 ° represents a hydrogen atom or a substituent.
- a luminescent material which also has an iridium complex power according to any one of (1) to (13) above.
- R 1QQ to R 115 represent a hydrogen atom or a substituent, provided that at least one of R 1QQ or R 1Q 2 is a fluorine atom, and at least one of R 1Q8 or R u ° is Is a fluorine atom, at least one of R 1M or R 1Q6 is a fluorine atom, and at least one of R 112 and R 114 is a fluorine atom.
- a high-efficiency white light-emitting element can be manufactured by combining a red-orange light-emitting material and a red-orange light-emitting element based on the blue light-emitting element of the present invention.
- FIG. 1 is a luminescence spectrum in THF of a compound of the present invention (B-34) and a known compound represented by the above formula (C).
- the solid line represents the compound of the present invention, and the dotted line represents the known compound represented by the formula (C).
- FIG. 2 shows emission spectra of the compound of the present invention (B-106) and a known compound represented by the formula (S) in THF.
- the solid line represents the compound of the present invention, and the dotted line represents the known compound represented by the formula (S).
- FIG. 3 is a luminescence spectrum of the compound of the present invention (B-118) and a known compound represented by the formula (N) in THF.
- the solid line represents the compound of the present invention, and the dotted line represents the known compound represented by the formula (N).
- FIG. 4 is a luminescence spectrum of the compound of the present invention (B-136) and a known compound represented by the formula (D) in THF.
- the solid line represents the compound of the present invention, and the dotted line represents the known compound represented by the formula (D).
- the iridium complex represented by the general formula (1) according to the present invention is a novel conjugate, and has a substituted phenyl group on the pyridine ring of the ligand, which is a 2-phenylpyridine derivative ligand.
- the iridium complex obtained by introducing an electron-withdrawing fluorine atom at the meta position is compared with a known iridium complex in which the pyridine ring of the 2-phenylpyridine derivative ligand is unsubstituted.
- novel iridium complex of the present invention represented by the general formula (1) is contained in the light-emitting layer of the light-emitting element or a plurality of organic compound layers including the light-emitting layer, whereby light emission excellent in a blue region is achieved.
- a light-emitting element having a color can be obtained.
- the present invention by introducing a fluorine atom into the pyridine ring of the 2-phenylpyridine derivative ligand at the meta position with respect to the substituted phenyl group, it is possible to obtain an emission color with good blue purity, and furthermore,
- the fluorine substituent on the pyridine ring when forming a film by the vacuum deposition method, the sublimation temperature is lowered and deposition is easy, and decomposition during vacuum deposition during device fabrication is suppressed, and the iridium complex is further reduced. Interaction between molecules is reduced, and concentration quenching is suppressed.
- the iridium complex of the present invention stable light emission can be realized for a long time.
- the compound of the present invention may be a tautomer having a structure represented by the general formula (1).
- the emission quantum yield in a solution or in a solid state is preferably 0.01 or more, more preferably 0.1 or more 0 More preferably three or more.
- the emission maximum wavelength is preferably 500 nm or less, more preferably 350 nm or more and 500 nm or less, more preferably 400 nm or more and 490 nm or less, and even more preferably 410 nm or more and 480 nm or less.
- Examples of the substituents described in the general formulas (1) to (11) include, for example, an alkyl group (preferably having 1 to 20 carbon atoms, more preferably having 1 to 10 carbon atoms, for example, methyl, ethyl, isopropyl and tertiary).
- an alkyl group preferably having 1 to 20 carbon atoms, more preferably having 1 to 10 carbon atoms, for example, methyl, ethyl, isopropyl and tertiary.
- alkenyl group preferably having 2 to 20 carbon atoms, more preferably 2 to 2 carbon atoms: L0 And, for example, vinyl, aryl, 2-butenyl, 3-pentenyl, etc.
- alkynyl group preferably having 2 to 20 carbon atoms, more preferably having 2 to 10 carbon atoms, for example, propargyl, 3-pentyl- Ru And so on.
- Aryl groups preferably having 6 to 20 carbon atoms, more preferably having 6 to 12 carbon atoms, for example, phenyl, p-methylphenyl, naphthyl, anthral and the like
- amino A group preferably having 0 to 20 carbon atoms, more preferably having 0 to carbon atoms: LO, for example, amino, methylamino, dimethylami-containing diethylamidi-containing dibenzylami-containing diphenylamido-containing ditolylamino
- An alkoxy group preferably having 1 to 20 carbon atoms, more preferably 1 to 10 carbon atoms, for example, methoxy, ethoxy, butoxy, 2-ethylhexyloxy, etc.
- an aryloxy group preferably having 6 carbon atoms) -20, more preferably 6-12 carbon atoms, for example, phenyl, 1-naphthyloxy, 2-naphthyloxy, etc.
- a carboxy group preferably having 2 to 20 carbon atoms, more preferably having 2 to 2 carbon atoms: LO, for example, acetoxy, benzoyloxy and the like.
- An acylcarbamino group preferably having 2 to 20 carbon atoms, more preferably having 2 to 10 carbon atoms, for example, benzoylamino with acetylamino
- an alkoxycarbamino group preferably having 2 to 20 carbon atoms.
- a ruponylamino group preferably having 7 to 20 carbon atoms, It preferably has 7 to 12 carbon atoms, and examples thereof include phenoxycarbol-lamino and the like, and a sulfo-lamino group (preferably having 1 to 20 carbon atoms, more preferably having 1 to 12 carbon atoms.
- sulfamoyl group preferably having 0 to 20 carbon atoms, more preferably 0 to 12 carbon atoms, for example, sulfamoyl, methylsulfamoyl, dimethylsulfamoyl
- a carbamoyl group preferably having 1 to 20 carbon atoms, more preferably having 1 to 12 carbon atoms, and Moyl, methylcarbamoyl, getylcarbamoyl, phenylcarbamoyl and the like.
- An alkylthio group preferably having 1 to 20 carbon atoms, more preferably 1 to 12 carbon atoms, for example, methylthio, ethylthio, etc.
- an arylthio group preferably having 6 to 20 carbon atoms, more preferably Has 6 to 12 carbon atoms, for example, phenylthio and the like.
- a heterocyclic thio group preferably having 1 to 20 carbon atoms, more preferably having 1 to 12 carbon atoms, for example, pyridylthio, 2- Benzimizolylthio, 2-benzoxazolylthio, 2-benzothiazolylthio, etc.
- sulfonyl group preferably having 1 to 20 carbon atoms, more preferably having 1 to 12 carbon atoms
- mesyl, tosyl, etc. a sulfiel group (preferably having 1 to 20 carbon atoms, more preferably having 1 to 12 carbon atoms, for example, methane
- silyloxy groups preferably having 3 to 30 carbon atoms, more preferably having 3 to 24 carbon atoms, and include, for example, trimethylsilyloxy, triphenylsilyloxy and the like). These substituents may be further substituted.
- R 1 and R 3 are a fluorine atom
- at least one of R 5 and R 7 is a fluorine atom
- R 1 is more preferably a hydrogen atom or a fluorine atom, preferably a hydrogen atom, a fluorine atom, an alkyl group or an alkoxy group
- R 3 is a fluorine atom, preferably a hydrogen atom, a fluorine atom, an alkyl group or an alkoxy group. It is strongly preferred.
- R 2 and R 4 are each preferably a hydrogen atom, a fluorine atom, an alkyl group or an alkoxy group, and more preferably a hydrogen atom or an alkyl group.
- R 5 is preferably a hydrogen atom, an alkyl group or a fluorine atom, more preferably a hydrogen atom or a fluorine atom, and particularly preferably a fluorine atom.
- R 6 and R 8 are each preferably a hydrogen atom, a trifluoromethyl group, or a fluorine atom, and more preferably a hydrogen atom.
- R 7 is preferably a hydrogen atom, an alkyl group or a fluorine atom, and more preferably a fluorine atom. Among the above combinations, R 3 , R 5 and R 7 are most preferably a fluorine atom.
- a nitrogen-containing heterocyclic ligand for example, a phenylpyridine derivative, a pyrazolylpyridine derivative, a benzimidazolylpyridine derivative, a 2,2′-dipyridyl
- ligands described in Patent Publication 2003-133074 include ligands described in Patent Publication 2003-133074), and diketone ligands (eg, acetylacetone derivatives, and others described in Patent Publication 2005-35902) ), Carboxylic acid ligands (eg, acetic acid derivatives, picolinic acid derivatives, and the like, and the ligands described in Patent Publication No. 2004-349224), birazolyl porate Derivatives (e.g., Inorganic C hemistry
- phosphorus ligands for example, phosphine derivatives, phosphite derivatives, etc .; Patent Publication No. 2002-170684684Patent Publication 2005) -97263
- halogen ligands preferably chlorine ligands and fluorine ligands.
- n 1 represents an integer of 1-3. 2 or 3 is preferred.
- n 2 represents an integer of 0-4. 0 to 2 force is preferable, and 0 or 1 is more preferable.
- R 1C) to R 17 have the same meanings as above, and the preferable range is also the same.
- R 2 to R 23 are preferably an alkyl group, a hydrogen atom, or a hydroxyl group.
- R 3G to R 32 described in the general formula (4) an alkyl group, a hydrogen atom, Groups or substituted aryl groups are preferred.
- R 5 to R 53 have the same meanings as R 2 to R 23 , respectively, and the preferred range is also the same.
- R 54 to R 57 have the same meanings as R 2 ° to R 23 , respectively, and the preferred range is also the same.
- X 1 is preferably a hydrogen atom, a phenyl group, a substituted phenyl group, a pyridyl group, a substituted pyridyl group, a naphthyl group, or a substituted naphthyl group. More preferably, they are a hydrogen atom and a substituted phenyl group.
- n 3 represents an integer of 0 or 1, and 1 is preferable.
- R 6 ° to R 69 are preferably an alkyl group, a hydrogen atom, or a hydroxyl group.
- A represents a linking group.
- An alkylene group having 1 to 10 carbon atoms, a phenylene group, and a substituted phenylene group having 7 to 20 carbon atoms are preferred. Substituted phenylene groups are more preferred. It is also preferable that these linking groups contain silicon.
- Y and Z represent a nitrogen atom or a carbon atom.
- R TO to R 73 have the same meanings as R 2 to R 23 , respectively, and the preferred range is also the same.
- R 74 and R 75 when Y is a nitrogen atom, R 74 does not exist, and when Z is a nitrogen atom, R 75 does not exist.
- R 74 and R 75 are preferably a hydrogen atom, an alkyl group, an aryl group or an electron-withdrawing group.
- a fluorine atom, a trifluoromethyl group, an acetyl group, a methanesulfol group, a trifluoroacetyl group, a trifluoromethanesulfonyl group and a cyano group are preferred, and a fluorine atom, a trifluoromethyl group, Fluoroacetyl and trifluoromethanesulfonyl groups are more preferred, and fluorine atoms and trifluoromethyl groups are even more preferred.
- R 8 to R 83 have the same meanings as R 2 to R 23 , respectively, and the preferred range is also the same.
- R 84 is preferably an electron-withdrawing group, and more preferably a substituted carboyl group (such as an acetyl group, a dialkylaminocarboyl group, a methoxycarboyl group, or a perfluoropropyl carboyl group), or a substituted sulfo group.
- a sulfonic group such as a methanesulfonyl group or a benzenesulfonyl group
- a substituted sulfoxide group such as a methylsulfoxide group
- a trifluoromethyl group such as a methylsulfoxide group
- an acyl group an acetyl group, a trifluoromethyl group, or a perfluoro group.
- a benzoyl group) or a substituted sulfol group and particularly preferably a fluorine-substituted acyl group, a fluorine-substituted alkylsulfur group or a fluorine-substituted arylsulfol group.
- R 9 is preferably an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aryl group, an amino group, an alkoxy group, an aryloxy group.
- R 1CK) to R 1C) 7 have the same meanings as and the preferable ranges are also the same.
- R 1C) 8 to R 115 has the same meaning as that of, and the preferred range is also the same.
- ligand consisting of a nitrogen atom, a carbon atom, and a force
- those shown in Table 1 are preferably used.
- L 1 described in the general formula (1) examples of L 1 described in the general formula (1), those shown in Tables 1 and 2 are preferably used.
- the compound of the present invention is typically obtained by combining the ligands shown in Tables 1 and 2.
- the dimer described in the general formula (11) for example, those shown in Tables 3 and 4 are preferably used.
- the valence of the iridium atom in the iridium complex represented by the general formula (1) is not particularly limited, but is preferably trivalent.
- the iridium compound represented by the general formula (1) may be a neutral complex or an ionic complex.
- the counter ion of the ionic complex is not particularly limited, but is preferably Are alkali metal ions, alkaline earth metal ions, halogen ions, perchlorates, PF ions, ammodime ions, CF CF CF COO ions, borate ions or
- the iridium complex represented by the general formula (1) can be used as it is as a low-molecular compound, and includes a repeating unit having a partial structure represented by the general formula (1).
- so-called oligomer compounds and polymer compounds are preferably 1,000 to 5,000,000, more preferably ⁇ 2000 to 100,000,000, and still more preferably 3000 to 100000). Are also suitable.
- Emission spectral power of the iridium complex of the present invention A fluorine atom is introduced on the pyridine ring of the 2-phenylpyridine derivative ligand, and the fluorine atom is introduced into the ortho-position to the known iridium complex or the substituted phenyl group.
- the reason for the short wavelength shift compared to the iridium complex in which fluorine is introduced at the para-position is currently estimated as follows.
- the MLCT excited state is determined by the d orbital of the central metal iridium and the ligand Because of the transition to the ⁇ * orbit, the central metal iridium is one-electron oxidized in the excited state, while the ligand of the 2-phenylpyridine derivative can be approximated to the one-electron reduced state.
- MLCT Metal to Ligand Charge Transfer
- the emission energy of the iridium complex can be considered roughly by measuring the oxidation reduction potential in the ground state of the iridium complex, and the electrochemical measurement of these iridium complexes (solvent: MeCN, supporting electrolyte: NBu BF, working electrode
- the iridium dimer represented by the general formula (11) can be produced using all conventionally known methods.
- the ligands shown in Table 1 and a halide of iridium (for example, hydrate of iridium trichloride or iridium hexachloride) are allowed to coexist, and a conventional method (in the presence or absence of a solvent,
- the reaction may be performed at room temperature or by heating. It is also preferable to carry out the reaction under a nitrogen atmosphere or an argon atmosphere.
- the heating means is not particularly limited, but irradiation with microwaves is preferably used to facilitate the reaction.
- the microwave irradiation time is preferably 1 to 60 minutes, more preferably 5 to 45 minutes.
- the wavelength of the microwave it is 2000 to 3000 MHz, preferably 2400 to 2500 MHz.
- the microwave oscillating device all conventionally known oscillating devices that are commercially available can be applied.
- a heating means an oil bath, a mantle heater, or the like may be used.
- the reaction time in that case is preferably 0.5 to 24 hours, more preferably 1 to 15 hours.
- the symbol ligand with the general formula shown in L 1 coexist and iridium die mer represented by (11), the usual method (the presence or absence of a solvent in the presence of a base or The reaction may be carried out in the absence or presence of a silver compound as a dehalogenating agent, at normal temperature or under heating). It is also preferable to carry out the reaction under a nitrogen atmosphere or an argon atmosphere.
- the heating means is not particularly limited, but in order to facilitate the reaction, Irradiation with microwaves is also preferably used.
- the microwave irradiation time varies depending on the compound, but is preferably 1 to 90 minutes, more preferably 1 to 45 minutes.
- the wavelength of the microwave is particularly limited to a power of 2000 to 3000 MHz, preferably 2400 to 2500 MHz.
- the microwave oscillation device all conventionally known oscillation devices that are commercially available can be used. Further, an oil bath, a mantle heater, or the like may be used as the heating means.
- the reaction time in that case is preferably 0.5 to 24 hours, more preferably 0.5 to 15 hours.
- reaction solvent in order to further smoothly carry out the reaction.
- solvents are not particularly limited, but alcohol solvents, protic solvents, aprotic solvents, nitrile solvents, and the like are preferably used.
- Methoxyethanol, 2-ethoxyethanol, methanol, ethanol, water, acetonitrile, DMF, DMSO, ethylene glycol, glycerin and the like, or a mixed solvent thereof are preferred.
- reaction temperature, reaction pressure, and reaction time for producing the iridium complex represented by the general formula (1) vary depending on the used raw material, microwave output, solvent, and the like.
- the reaction temperature is 40 to 300 ° C, preferably 50 to 200 ° C, and the reaction pressure is 1 to 30 atm, preferably 1 to 5 atm.
- the iridium complex according to the present invention can be treated according to the usual post-treatment of a synthesis reaction, and then, if necessary, purified or provided without purification.
- a method of the post-treatment for example, extraction, cooling, crystallization by adding water or an organic solvent, an operation of distilling off the solvent from the reaction mixture, or the like can be performed alone or in combination.
- a purification method recrystallization, distillation, sublimation, column chromatography or the like can be performed alone or in combination.
- 6Fluoro-2- (2,4 difluorophenyl) pyridine was obtained by synthesizing in the same manner as in Example 1 except that 2-bromo-6-fluoropyridine was used in place of 2-fluoro-6-fluoropyridine.
- the compound was identified using NMR. ⁇ —NMR (in CDCL): ⁇ 8.05-8.10 (m, 1H), 7.83-7.88 (m, 1H), 7.
- (D-28) was synthesized in the same manner as in Example 1 using 6-fluoro-2- (2,4 difluorophenyl) pyridine synthesized by the above method.
- (D-13) was synthesized in the same manner as in Example 1 using 4fluoro-2- (4fluorophenyl) pyridin synthesized by the above method.
- the target compound was obtained by synthesis in the same manner as in Example 5 except that 1,3-diphenyl-1,3-propanedione was used instead of acetylacetone. Compound identification was performed using ' ⁇ - ⁇ MR.
- the target compound was obtained by synthesizing in the same manner as in Example 7 except that D-28 was used instead of D-1.
- the compound was identified using 1 NMR.
- the target compound was obtained by synthesis in the same manner as in Example 7, except that 3-hydroxypicolinic acid and sodium carbonate were used instead of sodium picolinate.
- the compounds were identified using 3 ⁇ 4-NMR.
- the target compound was obtained in the same manner as in Example 7, except that 3-methylpicolinic acid and sodium carbonate were used instead of sodium picolinate.
- the compound was identified using a J HN MR.
- Example 7 Same as Example 7 except that sodium nicotinate is used instead of sodium picolinate
- the target compound was obtained by synthesis.
- the compounds were identified using NMR 'H-NMR (in CDCL): ⁇ 10.82 (s, 1H), 9.22 (t, 1H), 8.21 (d, 1H), 8
- the target compound was obtained by synthesis in the same manner as in Example 7, except that 5-bromonicotinic acid and sodium carbonate were used instead of sodium picolinate.
- the compound was identified using NMR.
- 4-fluoro-2- (2,4 difluorophenyl) pyridine is replaced by potassium tetrakis (1-pyrazolyl) borate, and potassium hydrotris (1- Synthesized in the same manner as described in Polyhedron 2004 Vol. 23, page 419, except that pyrazolyl) borate was used.
- the compound was identified using NMR.
- 0.1 lg of (0-1), 0.033 g of 2,2, dipyridylamine and 12 mL of 2 ethoxyethanol were placed in an eggplant flask.
- This eggplant flask was placed in a microwave oscillator (manufactured by HITACHI, MR-250), and a reflux condenser was attached to the upper part of the reactor.
- Argon gas was passed through the solution through the Teflon (registered trademark) tube from the top of the reflux condenser for 20 minutes. Thereafter, irradiation with microwaves (2450 MHz) was performed for 5 minutes. After cooling the solution to room temperature, the argon gas was stopped, the solvent was concentrated under reduced pressure, a saturated aqueous solution of NHPF was added, and the
- a parent ion peak of 4 (corresponding to the cation portion of B-106) was observed.
- the target compound was obtained by synthesis in the same manner as in Example 18, except that bis (diphenylenophosphino) methane was used instead of 1,2-bis (diphenylenophosphino) benzene.
- the target compound was obtained by synthesizing in the same manner as in Example 18 except that cis 1,2-bis (diphenylphosphino) ethylene was used instead of 1,2-bis (diphenylphosphino) benzene.
- iridium trichloride n-hydrate 0.03 g of iridium trichloride n-hydrate, 0.813 g of 4-fluoro-2- (4 fluorophenyl) pyridin, and 12 mL of ethylene glycol were placed in an eggplant flask.
- the eggplant flask was placed in a microwave oscillator (HITACHI, MR-250), and a reflux condenser was attached to the upper part of the reactor.
- Argon gas was passed through the solution from the top of the reflux condenser through a Teflon (registered trademark) tube for 20 minutes. Thereafter, irradiation with microwave (2450 MHz) was performed for 90 minutes.
- the target compound was obtained in the same manner as in Example 7 except that (D-13) was used instead of (D-1).
- the compound was identified using NMR.
- the target compound was obtained in the same manner as in Example 7, except that (D-14) was used instead of (D-1).
- the compound was identified using NMR.
- the target compound was obtained by synthesizing in the same manner as in Example 22 except that 4-fluoro-2- (2,4 difluorophenyl) pyridine was used instead of 4-fluoro-1- (4fluorophenyl) pyridine.
- the compound was identified using NMR. The emission characteristics of the compound of the present invention are shown below.
- the emission spectrum at room temperature was measured using an RF-5300PC manufactured by Shimadzu Corporation.
- the maximum emission wavelength was 470 nm.
- the quantum yield of luminescence was 0.82, which was a very high value (based on the quantum yield of 0.546 in a 0.5 M sulfuric acid solution of kyun sulfate).
- the emission maximum wavelength was 474 nm.
- the maximum emission wavelength was 494 nm.
- the maximum emission wavelength was 481 nm.
- the emission spectrum was measured at room temperature using RF-5300PC manufactured by Shimadzu Corporation.
- the emission maximum wavelength was 439 nm and 468 nm. Met.
- the emission spectrum was measured at room temperature using RF-5300PC manufactured by Shimadzu Corporation.
- the emission maximum wavelength was 457 nm and 483 nm. Met.
- the emission spectrum at room temperature was measured using RF-5300PC manufactured by Shimadzu Corporation.
- the emission maximum wavelength was 466 nm and 489 nm. Met.
- the emission spectrum of the compound represented by the formula (N) in THF was measured. Large wavelengths were 469 nm and 496 nm.
- the emission spectrum at room temperature was measured using an RF-5300PC manufactured by Shimadzu Corporation.
- the emission maximum wavelength was 454 nm and 483 nm. Met.
- the emission maximum wavelength was 458 nm and 487 nm.
- the emission spectrum at room temperature was measured using an RF-5300PC manufactured by Shimadzu Corporation.
- the emission maximum wavelength was 455 nm and 478 nm. Met.
- the emission spectrum was measured at room temperature using RF-5300PC manufactured by Shimadzu Corporation.
- the emission maximum wavelength was 478 nm. Met.
- the emission maximum wavelength was 483 nm.
- FIGS. 1 to 4 show emission spectra (enlarged from 400 to 500 nm) of the compound of the present invention and a known compound in THF at room temperature.
- the compound of the present invention (B-118), and the compound of the present invention (B-136) are represented by the formula (C), the formula (S), the formula (N), and the formula (D) It can be seen that the emission spectrum is shifted by a short wavelength and the emission component in the blue region is relatively increased as compared with the comparative products represented by the formulas. That is, the compound of the present invention has excellent blue purity and can be suitably used as a blue light emitting material.
- the other iridium complexes of the present invention also have a luminescence spectrum of 2 to 5 nm, as compared with known iridium complexes, by introducing a fluorine atom into the pyridine ring of the 2-phenylpyridine derivative ligand. A short wavelength shift was observed.
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