WO2023273846A1 - 一种螺环化合物及其应用 - Google Patents
一种螺环化合物及其应用 Download PDFInfo
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- WO2023273846A1 WO2023273846A1 PCT/CN2022/098281 CN2022098281W WO2023273846A1 WO 2023273846 A1 WO2023273846 A1 WO 2023273846A1 CN 2022098281 W CN2022098281 W CN 2022098281W WO 2023273846 A1 WO2023273846 A1 WO 2023273846A1
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- Prior art keywords
- substituted
- unsubstituted
- compound
- synthesis
- alkyl
- Prior art date
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- 150000003413 spiro compounds Chemical class 0.000 title claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 37
- 238000002347 injection Methods 0.000 claims abstract description 11
- 239000007924 injection Substances 0.000 claims abstract description 11
- 150000001875 compounds Chemical class 0.000 claims description 217
- -1 cyano, hydroxyl Chemical group 0.000 claims description 33
- 238000006467 substitution reaction Methods 0.000 claims description 21
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims description 18
- 229910052805 deuterium Inorganic materials 0.000 claims description 18
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 claims description 13
- 229910052757 nitrogen Inorganic materials 0.000 claims description 13
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims description 12
- 125000003118 aryl group Chemical group 0.000 claims description 12
- 125000001072 heteroaryl group Chemical group 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 12
- 239000001257 hydrogen Substances 0.000 claims description 12
- 125000004404 heteroalkyl group Chemical group 0.000 claims description 11
- 150000002431 hydrogen Chemical class 0.000 claims description 11
- 125000005104 aryl silyl group Chemical group 0.000 claims description 10
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims description 10
- 229910052794 bromium Inorganic materials 0.000 claims description 7
- 229910052801 chlorine Inorganic materials 0.000 claims description 7
- 229910052731 fluorine Inorganic materials 0.000 claims description 7
- 229910052736 halogen Inorganic materials 0.000 claims description 7
- 150000002367 halogens Chemical class 0.000 claims description 7
- 230000005525 hole transport Effects 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 229910052717 sulfur Inorganic materials 0.000 claims description 7
- 125000005913 (C3-C6) cycloalkyl group Chemical group 0.000 claims description 6
- 125000006374 C2-C10 alkenyl group Chemical group 0.000 claims description 6
- 125000000041 C6-C10 aryl group Chemical group 0.000 claims description 6
- 125000005865 C2-C10alkynyl group Chemical group 0.000 claims description 5
- 125000005103 alkyl silyl group Chemical group 0.000 claims description 5
- 235000010290 biphenyl Nutrition 0.000 claims description 5
- 239000004305 biphenyl Substances 0.000 claims description 5
- FVZVCSNXTFCBQU-UHFFFAOYSA-N phosphanyl Chemical group [PH2] FVZVCSNXTFCBQU-UHFFFAOYSA-N 0.000 claims description 5
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 5
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 claims description 4
- NHFDIUPJVYYTLG-UHFFFAOYSA-N carbononitridic isocyanide Chemical group [C-]#[N+]C#N NHFDIUPJVYYTLG-UHFFFAOYSA-N 0.000 claims description 4
- 125000001624 naphthyl group Chemical group 0.000 claims description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 4
- 229910052702 rhenium Inorganic materials 0.000 claims description 4
- 125000001424 substituent group Chemical group 0.000 claims description 4
- 125000001931 aliphatic group Chemical group 0.000 claims description 3
- 125000000732 arylene group Chemical group 0.000 claims description 3
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 claims description 3
- 125000005549 heteroarylene group Chemical group 0.000 claims description 3
- 125000005842 heteroatom Chemical group 0.000 claims description 3
- 229910052703 rhodium Inorganic materials 0.000 claims description 2
- 238000003682 fluorination reaction Methods 0.000 claims 1
- 125000000592 heterocycloalkyl group Chemical group 0.000 claims 1
- 238000000859 sublimation Methods 0.000 abstract description 20
- 230000008022 sublimation Effects 0.000 abstract description 20
- 229920001621 AMOLED Polymers 0.000 abstract description 4
- 239000002800 charge carrier Substances 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 description 143
- 238000003786 synthesis reaction Methods 0.000 description 142
- 238000000746 purification Methods 0.000 description 75
- 238000001819 mass spectrum Methods 0.000 description 69
- 239000002994 raw material Substances 0.000 description 69
- 238000000034 method Methods 0.000 description 58
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 32
- 239000007787 solid Substances 0.000 description 28
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 27
- 230000008859 change Effects 0.000 description 23
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 22
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 21
- 238000005481 NMR spectroscopy Methods 0.000 description 16
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 16
- 238000006243 chemical reaction Methods 0.000 description 16
- 239000003208 petroleum Substances 0.000 description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 15
- 239000011734 sodium Substances 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 239000008367 deionised water Substances 0.000 description 13
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- 239000011799 hole material Substances 0.000 description 12
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- 239000010408 film Substances 0.000 description 11
- 239000000741 silica gel Substances 0.000 description 11
- 229910002027 silica gel Inorganic materials 0.000 description 11
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 10
- 238000003756 stirring Methods 0.000 description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- 239000003480 eluent Substances 0.000 description 8
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 8
- 101100457453 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) MNL1 gene Proteins 0.000 description 7
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- 239000000243 solution Substances 0.000 description 7
- 238000010828 elution Methods 0.000 description 6
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 125000000217 alkyl group Chemical group 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 4
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- 239000011521 glass Substances 0.000 description 4
- 238000010791 quenching Methods 0.000 description 4
- MFRIHAYPQRLWNB-UHFFFAOYSA-N sodium tert-butoxide Chemical compound [Na+].CC(C)(C)[O-] MFRIHAYPQRLWNB-UHFFFAOYSA-N 0.000 description 4
- 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 4
- HQJQYILBCQPYBI-UHFFFAOYSA-N 1-bromo-4-(4-bromophenyl)benzene Chemical group C1=CC(Br)=CC=C1C1=CC=C(Br)C=C1 HQJQYILBCQPYBI-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 101100451713 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) HTL1 gene Proteins 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 125000004987 dibenzofuryl group Chemical group C1(=CC=CC=2OC3=C(C21)C=CC=C3)* 0.000 description 3
- 239000012065 filter cake Substances 0.000 description 3
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 3
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 3
- 239000008204 material by function Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 3
- 239000002904 solvent 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
- CYPYTURSJDMMMP-WVCUSYJESA-N (1e,4e)-1,5-diphenylpenta-1,4-dien-3-one;palladium Chemical compound [Pd].[Pd].C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1 CYPYTURSJDMMMP-WVCUSYJESA-N 0.000 description 2
- QFUPJXCUNNWZJQ-UHFFFAOYSA-N 2-bromofluoren-1-one Chemical compound C1=CC=C2C3=CC=C(Br)C(=O)C3=CC2=C1 QFUPJXCUNNWZJQ-UHFFFAOYSA-N 0.000 description 2
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 2
- AZFABGHLDGJASW-UHFFFAOYSA-N 3-bromodibenzofuran Chemical compound C1=CC=C2C3=CC=C(Br)C=C3OC2=C1 AZFABGHLDGJASW-UHFFFAOYSA-N 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical class [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
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- 238000010549 co-Evaporation Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000012043 crude product Substances 0.000 description 2
- 125000000753 cycloalkyl group Chemical group 0.000 description 2
- 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 2
- BGTOWKSIORTVQH-UHFFFAOYSA-N cyclopentanone Chemical compound O=C1CCCC1 BGTOWKSIORTVQH-UHFFFAOYSA-N 0.000 description 2
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 2
- ZXHUJRZYLRVVNP-UHFFFAOYSA-N dibenzofuran-4-ylboronic acid Chemical compound C12=CC=CC=C2OC2=C1C=CC=C2B(O)O ZXHUJRZYLRVVNP-UHFFFAOYSA-N 0.000 description 2
- 125000004988 dibenzothienyl group Chemical group C1(=CC=CC=2SC3=C(C21)C=CC=C3)* 0.000 description 2
- 238000005401 electroluminescence Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 239000012074 organic phase Substances 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
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
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- 125000004076 pyridyl group Chemical group 0.000 description 2
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- 238000007738 vacuum evaporation Methods 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 description 1
- UCCUXODGPMAHRL-UHFFFAOYSA-N 1-bromo-4-iodobenzene Chemical compound BrC1=CC=C(I)C=C1 UCCUXODGPMAHRL-UHFFFAOYSA-N 0.000 description 1
- VQHPRVYDKRESCL-UHFFFAOYSA-N 1-bromoadamantane Chemical compound C1C(C2)CC3CC2CC1(Br)C3 VQHPRVYDKRESCL-UHFFFAOYSA-N 0.000 description 1
- 125000004134 1-norbornyl group Chemical group [H]C1([H])C([H])([H])C2(*)C([H])([H])C([H])([H])C1([H])C2([H])[H] 0.000 description 1
- 125000004135 2-norbornyl group Chemical group [H]C1([H])C([H])([H])C2([H])C([H])([H])C1([H])C([H])([H])C2([H])* 0.000 description 1
- TWBPWBPGNQWFSJ-UHFFFAOYSA-N 2-phenylaniline Chemical group NC1=CC=CC=C1C1=CC=CC=C1 TWBPWBPGNQWFSJ-UHFFFAOYSA-N 0.000 description 1
- IQTHEAQKKVAXGV-UHFFFAOYSA-N 4-ditert-butylphosphanyl-n,n-dimethylaniline Chemical compound CN(C)C1=CC=C(P(C(C)(C)C)C(C)(C)C)C=C1 IQTHEAQKKVAXGV-UHFFFAOYSA-N 0.000 description 1
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- 125000003670 adamantan-2-yl group Chemical group [H]C1([H])C(C2([H])[H])([H])C([H])([H])C3([H])C([*])([H])C1([H])C([H])([H])C2([H])C3([H])[H] 0.000 description 1
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- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
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- UKVIEHSSVKSQBA-UHFFFAOYSA-N methane;palladium Chemical compound C.[Pd] UKVIEHSSVKSQBA-UHFFFAOYSA-N 0.000 description 1
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- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
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- 150000002825 nitriles Chemical class 0.000 description 1
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- 238000004806 packaging method and process Methods 0.000 description 1
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 1
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- 125000004934 phenanthridinyl group Chemical group C1(=CC=CC2=NC=C3C=CC=CC3=C12)* 0.000 description 1
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- 125000001644 phenoxazinyl group Chemical group C1(=CC=CC=2OC3=CC=CC=C3NC12)* 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 1
- 125000003373 pyrazinyl group Chemical group 0.000 description 1
- 125000001725 pyrenyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 238000006862 quantum yield reaction Methods 0.000 description 1
- 125000002294 quinazolinyl group Chemical group N1=C(N=CC2=CC=CC=C12)* 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
- 230000005855 radiation Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical class [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- IFLREYGFSNHWGE-UHFFFAOYSA-N tetracene Chemical compound C1=CC=CC2=CC3=CC4=CC=CC=C4C=C3C=C21 IFLREYGFSNHWGE-UHFFFAOYSA-N 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- 238000007740 vapor deposition Methods 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
- 238000005406 washing Methods 0.000 description 1
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Definitions
- the invention relates to the technical field of organic electroluminescence, in particular to an organic luminescent material suitable for organic electroluminescence devices, in particular to a spiro compound and its application.
- OLEDs organic electroluminescent devices
- the basic structure of an OLED device is a thin film of organic functional materials with various functions mixed between metal electrodes, like a sandwich structure. Driven by current, holes and electrons are injected from the cathode and anode, holes and electrons respectively After moving for a certain distance, the light-emitting layer is recombined and released in the form of light or heat, thereby producing the light emission of the OLED.
- organic functional materials are the core components of organic electroluminescent devices, and their thermal stability, photochemical stability, electrochemical stability, quantum yield, film formation stability, crystallinity, color saturation, etc. major factor in device performance.
- the selection of materials is particularly important, which includes not only emitter materials that play a role in light emission, but also hole injection materials, hole injection materials, and hole materials that are mainly used for carrier injection and transport in the device
- Functional materials such as transport materials, host materials, electron transport materials, and electron injection materials, their selection and optimization can improve the transport efficiency of holes and electrons, and balance the holes and electrons in the device, thereby improving the device voltage, luminescence, etc. efficiency and longevity.
- Patent document 1 (CN103108859B) records The structure of spirofluorene aromatic amine is used as a hole transport material. This type of material provides better device performance, but the device life, especially the device life of blue light-emitting devices, needs to be further improved.
- Patent Document 2 (CN103641726B) records The structure of spirofluorene aromatic amine is used as the second hole transport material, and the device performance of this type of material needs to be greatly improved, especially the device efficiency;
- Patent Document 3 (CN111548278A) records The arylamine of spirofluorene arylamine contains substituents such as alkyl, deuterium, cycloalkyl and other structures used as hole transport materials. The device performance of this type of material also needs to be further improved, especially the device life; Jiu Yi Shen et al. Non-Patent Document 1 (J. Mater.
- Chem., 2005, 15, 2455–2463 discloses a class of blue light-emitting materials based on the spirofluorene structure, such as When this type of material is used as a blue light-emitting layer, the luminous efficiency and lifetime of the device need to be improved. In addition, when it is used as a hole transport material, there are also the same problems that need to be optimized and improved.
- the present invention provides a high-performance organic electroluminescent device and a spiro compound material capable of realizing such an organic electroluminescent device.
- the spiro compound of the present invention has a structure represented by formula (1).
- the spiro compound provided by the invention has the advantages of high optical and electrical stability, low sublimation temperature, low driving voltage, small carrier lateral mobility, high luminous efficiency, long device life, etc., and can be used in organic electroluminescent devices. Especially as a hole injection and transport material, it has the possibility of being applied to the AMOLED industry.
- a spiro compound has a structure shown in formula (1),
- R 1 -R 10 are independently selected from hydrogen, deuterium, halogen, cyano, hydroxyl, mercapto, amino, substituted or unsubstituted C1-C10 alkyl, substituted or unsubstituted C1-C10 heteroalkane substituted or unsubstituted C3-C20 cycloalkyl, substituted or unsubstituted C3-C20 heterocycloalkyl, substituted or unsubstituted C2-C10 alkenyl, substituted or unsubstituted C2-C10 alkynyl , substituted or unsubstituted C6-C30 aryl, substituted or unsubstituted C2-C30 heteroaryl, substituted or unsubstituted tri-C1-C10 alkylsilyl, substituted or unsubstituted tri-C6-C12 arylsilyl substituted or unsubstituted di-C1-C10 alkyl-C
- R 1 -R 8 are substituted or unsubstituted C3-C20 cycloalkyl, substituted or unsubstituted C3-C20 heterocycloalkyl;
- L is independently selected from single bond, substituted or unsubstituted C6-C30 arylene, substituted or unsubstituted C2-C30 heteroarylene;
- Ar1 and Ar2 are independently selected from substituted or unsubstituted C6-C30 aryl, substituted or unsubstituted C2-C30 heteroaryl;
- heteroalkyl and heteroaryl contain at least one O, N or S heteroatom;
- substitution is deuterium, F, Cl, Br, C6-C10 aryl, C1-C6 alkyl, C3-C6 cycloalkyl, C1-C6 alkyl substituted amino, cyano, isonitrile or phosphino Substituted, wherein the number of substitutions ranges from a single substitution to a maximum number of substitutions.
- R 2 , R 3 , R 4 , R 5 , R 6 , R 7 are substituted or unsubstituted C3-C20 cycloalkyl, substituted or unsubstituted C3-C20 heterocycloalkyl;
- R2 and R7 are the same or different, and Ar1 and Ar2 are the same or different.
- L in formula (2) to formula (9) is preferably a single bond.
- spiro compound is preferably a structure shown in formula (10)-formula (11):
- X is independently selected from C(R 0 ) 2 , O, S, NR 0 ;
- R, R 0 and Ra-Rh are independently selected from hydrogen, deuterium, halogen, cyano, hydroxyl, mercapto, amino, substituted or unsubstituted C1-C10 alkyl, substituted or unsubstituted C1- C10 heteroalkyl, substituted or unsubstituted C3-C20 cycloalkyl, substituted or unsubstituted C2-C10 alkenyl, substituted or unsubstituted C2-C10 alkynyl, substituted or unsubstituted C6-C30 aryl , substituted or unsubstituted C2-C30 heteroaryl, substituted or unsubstituted tri-C1-C10 alkylsilyl, substituted or unsubstituted tri-C6-C12 arylsilyl, substituted or unsubstituted di-C1-C10 Alkyl-C6-C30 aryl silyl, substituted or unsubsti
- substitution is deuterium, F, Cl, Br, C6-C10 aryl, C1-C6 alkyl, C3-C6 cycloalkyl, C1-C6 alkyl substituted amino, cyano, isonitrile or phosphino Substituted, wherein the number of substitutions ranges from a single substitution to a maximum number of substitutions.
- R is hydrogen, deuterium, substituted or unsubstituted C1-C10 alkyl, substituted or unsubstituted C1-C10 heteroalkyl;
- R and Ra -Rh are independently selected from hydrogen, deuterium, halogen, substituted or unsubstituted C1-C10 alkyl, substituted or unsubstituted C1-C10 heteroalkyl, substituted or unsubstituted C3-C20 Cycloalkyl, or Ra, Rb, Rc, Rd four and/or Re, Rf, Rg, Rh four and/or a plurality of R O are connected to each other to form a ring structure.
- R is preferably hydrogen, deuterium, substituted or unsubstituted C1-C10 alkyl, substituted or unsubstituted C1-C10 heteroalkyl.
- j is preferably a value greater than or equal to 2.
- spiro compound among the two or more Xs, at most one is O, S, Se, NR 0 .
- a preferred spiro compound among them, preferably a plurality of R 0 and/or R and R 0 are connected to each other to form a ring structure.
- R2 is the same as R7, Ar1 is different from Ar2, Ar1 and Ar2 are independently selected from substituted or unsubstituted phenyl, biphenyl, naphthyl, fluorenyl, dibenzofuranyl or carbazolyl, and the substituted Substituted by deuterium, F, Cl, Br, C6-C10 aryl, C1-C6 alkyl, C3-C6 cycloalkyl.
- spiro compound As a preferred spiro compound, it is preferably one of the following structural formulas, or the corresponding partially or fully deuterated or fluorinated,
- Another object of the present invention is the application of the above-mentioned spiro compound in organic electroluminescent devices.
- Another object of the present invention is that the above-mentioned spirocyclic compound is used as a hole injection layer and/or a hole transport layer of an organic electroluminescent device.
- the material of the invention has the advantages of high optical and electrical stability, low sublimation temperature, low driving voltage, small carrier lateral mobility, high luminous efficiency, long device life and the like, and can be used in organic electroluminescent devices. Especially as a hole injection and transport material, it has the possibility of being applied to the AMOLED industry.
- Fig. 1 is the 1 H NMR spectrum of compound CPD001.
- the compound of the present invention a spiro compound, has a structure shown in formula (1),
- R 1 -R 10 are independently selected from hydrogen, deuterium, halogen, cyano, hydroxyl, mercapto, amino, substituted or unsubstituted C1-C10 alkyl, substituted or unsubstituted C1-C10 heteroalkane substituted or unsubstituted C3-C20 cycloalkyl, substituted or unsubstituted C3-C20 heterocycloalkyl, substituted or unsubstituted C2-C10 alkenyl, substituted or unsubstituted C2-C10 alkynyl , substituted or unsubstituted C6-C30 aryl, substituted or unsubstituted C2-C30 heteroaryl, substituted or unsubstituted tri-C1-C10 alkylsilyl, substituted or unsubstituted tri-C6-C12 arylsilyl substituted or unsubstituted di-C1-C10 alkyl-C
- L is independently selected from single bond, substituted or unsubstituted C6-C30 arylene, substituted or unsubstituted C2-C30 heteroarylene;
- Ar1 and Ar2 are independently selected from substituted or unsubstituted C6-C30 aryl, substituted or unsubstituted C2-C30 heteroaryl;
- heteroalkyl and heteroaryl contain at least one O, N or S heteroatom;
- R 1 -R 8 are substituted or unsubstituted C3-C20 cycloalkyl, substituted or unsubstituted C3-C20 heterocycloalkyl;
- carbon number a to b in the expression “substituted or unsubstituted X group with carbon number a to b" represents the carbon number when the X group is unsubstituted, The carbon number of the substituent when the X group is substituted is not included.
- the C1-C10 alkyl group is a straight-chain or branched-chain alkyl group, specifically methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl, sec-butyl , tert-butyl, n-pentyl and its isomers, n-hexyl and its isomers, n-heptyl and its isomers, n-octyl and its isomers, n-nonyl and its isomers, n- Decyl and its isomers, etc., preferably methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, more preferably propyl, isopropyl, Isobutyl, sec-butyl, tert-butyl.
- C3-C20 cycloalkyl examples include cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, 1-adamantyl, 2-adamantyl, 1-norbornyl, 2-norbornyl
- An alkyl group and the like are preferably cyclopentyl and cyclohexyl.
- C2-C10 alkenyl examples include vinyl, propenyl, allyl, 1-butadienyl, 2-butadienyl, 1-hexatrienyl, 2-hexatrienyl, 3 -hexatrienyl, etc., preferably propenyl and allyl.
- the C1-C10 heteroalkyl group is a straight-chain or branched-chain alkyl group, cycloalkyl group, etc. containing atoms other than carbon and hydrogen, such as mercaptomethylmethane group, methoxymethane group, ethyl Oxymethyl group, tert-butoxymethane group, N,N-dimethylmethane group, epoxybutyl group, epoxypentyl group, epoxyhexyl group, etc., preferably methoxymethyl group, ring Oxypentyl.
- aryl group examples include phenyl, naphthyl, anthracenyl, phenanthryl, naphthacene, pyrenyl, chrysyl, benzo[c]phenanthryl, benzo[g]chryl, fluorenyl, Benzofluorenyl, dibenzofluorenyl, biphenyl, terphenyl, quaterphenyl, fluoranthenyl, etc., preferably phenyl and naphthyl.
- heteroaryl examples include pyrrolyl, pyrazinyl, pyridyl, pyrimidinyl, triazinyl, indolyl, isoindolyl, imidazolyl, furyl, benzofuryl, isophenyl Dibenzofuryl, dibenzofuryl, dibenzothienyl, azadibenzofuryl, azadibenzothienyl, diazadibenzofuryl, diazadibenzothienyl, Quinolinyl, isoquinolinyl, quinoxalinyl, carbazolyl, phenanthridinyl, acridinyl, phenanthrolinyl, phenazinyl, phenothiazinyl, phenoxazinyl, oxazolinyl, Oxadiazolyl, furazanyl, thienyl, benzothienyl, dihydroacridinyl, azacar
- reaction solution was directly filtered through 200-300 mesh silica gel, and the silica gel was washed with dichloromethane until the filter cake had no obvious fluorescence, and then silica gel column chromatography (200-300 mesh silica gel, petroleum ether as eluent), concentrated to obtain a white solid after elution It is compound CPD001-2 (27.42 g, purity: 99.99%, yield: 95.77%), mass spectrum: 291.37 (M+H).
- TLC toluene:petroleum
- CPD001-2 50g, 172.14mmol
- deuterated dimethyl sulfoxide 250ml
- potassium tert-butoxide 57.95g, 516.44mmol
- a 50mm*50mm*1.0mm glass substrate with an ITO (100nm) transparent electrode was ultrasonically cleaned in ethanol for 10 minutes, dried at 150 degrees and then treated with N2Plasma for 30 minutes. Install the washed glass substrate on the substrate holder of the vacuum evaporation device. First, the compound HATCN is evaporated on the side of the transparent electrode line to cover the transparent electrode to form a thin film with a film thickness of 5nm.
- vapor-deposit HBL 5nm
- ETL 30nm
- vapor-deposit LiQ 1nm
- Mg/Ag 100nm, 1:9
- the device performance test was carried out on the above-mentioned device, and the compound of the embodiment in the present invention and Comparative Examples 1-3 were respectively used as the HTL layer for comparison, using a constant current power supply (Keithley 2400), using a fixed current density to flow through the light-emitting element, and using a spectroscopic Radiation is both (CS 2000) to test the luminescence spectrum. Simultaneously measure the voltage value and the time when the test brightness is 90% of the initial brightness (LT90). The results are shown in Table 1 below:
- the sublimation temperature is defined as the temperature corresponding to an evaporation rate of 1 angstrom per second at a vacuum degree of 10 -7 Torr.
- the test results are as follows:
- the hole transport material of the present invention has a lower sublimation temperature, which is beneficial to industrial application.
- the glass substrate after washing is installed on the substrate support of vacuum evaporation device, at first on the face that has transparent electrode one side according to the mode of covering transparent electrode vapor deposition film thickness is the HTL1 layer of 10nm (3% HATCN is doped respectively CPD001, comparison 1-3 compounds, HTM1), and then vapor-deposit a layer of HTL2 layer with a film thickness of 100nm (respectively CPD001, comparison 1-3 compounds, HTM1), after packaging, test its voltage-current curve, and obtain the lateral permeability overcurrent data.
- HTL1 HTL2 Through current/mA 3% HATCN: 97% CPD001 CPD001 2.96 ⁇ 10 -5 3% HATCN: 97% vs. 1 Contrast 1 3.77 ⁇ 10 -4 3% HATCN: 97% vs 2 Contrast 2 6.79 ⁇ 10 -4 3% HATCN: 97% vs. 3 Contrast 3 9.36 ⁇ 10 -4 3% HATCN: 97% HTM1 HTM1 3.01 ⁇ 10 -3
- the material of the invention has the advantages of high optical and electrical stability, low sublimation temperature, low driving voltage, small carrier lateral mobility, high luminous efficiency, long device life and the like, and can be used in organic electroluminescent devices. Especially as a hole injection and transport material, it has the possibility of being applied to the AMOLED industry.
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Abstract
Description
材料 | 升华温度/℃ |
CPD001 | 261 |
CPD003 | 262 |
CPD005 | 265 |
对比化合物1 | 268 |
对比化合物2 | 270 |
对比化合物3 | 281 |
HTM1 | 380 |
HTM2 | 275 |
HTL1 | HTL2 | 透过电流/mA |
3%HATCN:97%CPD001 | CPD001 | 2.96×10 -5 |
3%HATCN:97%对比1 | 对比1 | 3.77×10 -4 |
3%HATCN:97%对比2 | 对比2 | 6.79×10 -4 |
3%HATCN:97%对比3 | 对比3 | 9.36×10 -4 |
3%HATCN:97%HTM1 | HTM1 | 3.01×10 -3 |
Claims (14)
- 一种螺环化合物,具有式(1)所示的结构,其中,R 1-R 10独立地选自氢、氘、卤素、氰基、羟基、巯基、胺基、取代的或未取代的C1-C10烷基、取代的或未取代的C1-C10杂烷基、取代的或未取代的C3-C20环烷基、取代的或未取代的C3-C20杂环烷基、取代或未取代的C2-C10烯基、取代或未取代的C2-C10炔基、取代或未取代的C6-C30芳基、取代或未取代的C2-C30杂芳基、取代或未取代的三C1-C10烷基硅基、取代或未取代的三C6-C12芳基硅基、取代或未取代的二C1-C10烷基一C6-C30芳基硅基、取代或未取代的一C1-C10烷基二C6-C30芳基硅基,或者R 1-R 8、R 9、R 10两个相邻的基团之间可以相互连接形成脂肪族环或芳香族环状结构;其中,所述R 1-R 8中至少之二为取代的或未取代的C3-C20环烷基、取代的或未取代的C3-C20杂环烷基;其中,L独立地选自单键、取代或未取代的C6-C30亚芳基、取代或未取代的C2-C30亚杂芳基;其中,Ar1和Ar2独立地选自取代或未取代的C6-C30芳基、取代或未取代的C2-C30杂芳基;其中,m、n、h、p独立地选自0或1-4的整数,且m+n=4,p+k=4;且m、p不同时为0;其中,所述杂烷基、杂环烷基和杂芳基中至少含有一个O、N或S杂原子;所述取代为被氘、F、Cl、Br、C6-C10芳基、C1-C6烷基、C3-C6环烷基、C1-C6烷基取代的胺基、氰基、异腈或膦基所取代,其中取代数目为单取代到最大数目取代。
- 根据权利要求1所述的螺环化合物,其中m+p=1。
- 根据权利要求3所述的螺环化合物,其为式(2)或式(6)所示的结构,R2与R7相同或不同,Ar1与Ar2相同或不同。
- 根据权利要求4所述的螺环化合物,其中,式(2)-式(9)中所述L为单键。
- 根据权利要求5所述的螺环化合物,其为式(10)-式(11)所示的结构:其中,X独立地选自C(R 0) 2、O、S、NR 0;其中,j独立地为0或1-7的整数,当j=0时,形成的环是三元环,当j≥2时,各个X相同或不同;其中,R、R 0和Ra-Rh独立地选自氢、氘、卤素、氰基、羟基、巯基、胺基、取代的或未取代的C1-C10烷基、取代的或未取代的C1-C10杂烷基、取代的或未取代的C3-C20环烷基、取代或未取代的C2-C10烯基、取代或未取代的C2-C10炔基、取代或未取代的C6-C30芳基、取代或未取代的C2-C30杂芳基、取代或未取代的三C1-C10烷基硅基、取代或未取代的三C6-C12芳基硅基、取代或未取代的二C1-C10烷基一C6-C30芳基硅基、取代或未取代的一C1-C10烷基二C6-C30芳基硅基、或者Ra、Rb、Rc、Rd四者之间和/或Re、Rf、Rg、Rh四者之间和/或多个R 0之间和/或R与其他取代基之间相互连接形成环状结构;所述取代为被氘、F、Cl、Br、C6-C10芳基、C1-C6烷基、C3-C6环烷基、C1-C6烷基取 代的胺基、氰基、异腈或膦基所取代,其中取代数目为单取代到最大数目取代。
- 根据权利要求6所述的螺环化合物,其中R为氢、氘、取代的或未取代的C1-C10烷基、取代的或未取代的C1-C10杂烷基;R 0和Ra-Rh独立地选自氢、氘、卤素、取代的或未取代的C1-C10烷基、取代的或未取代的C1-C10杂烷基、取代的或未取代的C3-C20环烷基、或者Ra、Rb、Rc、Rd四者之间和/或Re、Rf、Rg、Rh四者之间和/或多个R 0之间相互连接形成环状结构。
- 根据权利要求7所述的螺环化合物,其中j为大于等于2的数值。
- 根据权利要求8所述的螺环化合物,其中2个或多个X中,至多一个为O、S、NR 0中的一个。
- 根据权利要求5-9任一所述的螺环化合物,其中,多个R 0之间和/或R与R 0之间相互连接形成环状结构。
- 根据权利要求10所述的螺环化合物,其中,R2与R7相同,Ar1与Ar2不同,Ar1与Ar2独立地选自取代或未取代的苯基、联苯基、萘基、芴基、二苯并呋喃基或咔唑基,所述取代为被氘、F、Cl、Br、C6-C10芳基、C1-C6烷基、C3-C6环烷基所取代。
- 权利要求1-12任一所述的螺环化合物在有机电致发光器件中的应用。
- 权利要求13所述的应用,为权利要求1-12任一所述的螺环化合物作为有机电致发光器件的空穴注入层和/或空穴传输层的材料。
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