JP6216571B2 - フェニルイミダゾール配位子を有するリン光エミッター - Google Patents
フェニルイミダゾール配位子を有するリン光エミッター Download PDFInfo
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- JP6216571B2 JP6216571B2 JP2013173015A JP2013173015A JP6216571B2 JP 6216571 B2 JP6216571 B2 JP 6216571B2 JP 2013173015 A JP2013173015 A JP 2013173015A JP 2013173015 A JP2013173015 A JP 2013173015A JP 6216571 B2 JP6216571 B2 JP 6216571B2
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- 239000003446 ligand Substances 0.000 title claims description 47
- SEULWJSKCVACTH-UHFFFAOYSA-N 1-phenylimidazole Chemical compound C1=NC=CN1C1=CC=CC=C1 SEULWJSKCVACTH-UHFFFAOYSA-N 0.000 title claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 76
- 125000003118 aryl group Chemical group 0.000 claims description 32
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims description 31
- -1 amino, silyl Chemical group 0.000 claims description 29
- 125000000217 alkyl group Chemical group 0.000 claims description 27
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 25
- 229910052751 metal Inorganic materials 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 23
- 239000012044 organic layer Substances 0.000 claims description 22
- 125000001072 heteroaryl group Chemical group 0.000 claims description 20
- 229910052760 oxygen Inorganic materials 0.000 claims description 20
- 125000001424 substituent group Chemical group 0.000 claims description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims description 15
- 229910052717 sulfur Inorganic materials 0.000 claims description 15
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 10
- 239000001257 hydrogen Substances 0.000 claims description 10
- 125000003342 alkenyl group Chemical group 0.000 claims description 9
- 125000000304 alkynyl group Chemical group 0.000 claims description 9
- 125000003107 substituted aryl group Chemical group 0.000 claims description 9
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims description 8
- 125000002252 acyl group Chemical group 0.000 claims description 8
- 125000003545 alkoxy group Chemical group 0.000 claims description 8
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 8
- 125000004104 aryloxy group Chemical group 0.000 claims description 8
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 8
- 125000000392 cycloalkenyl group Chemical group 0.000 claims description 8
- 229910052805 deuterium Inorganic materials 0.000 claims description 8
- 150000002148 esters Chemical class 0.000 claims description 8
- 125000004404 heteroalkyl group Chemical group 0.000 claims description 8
- 150000002431 hydrogen Chemical class 0.000 claims description 8
- 150000002527 isonitriles Chemical class 0.000 claims description 8
- 150000002825 nitriles Chemical class 0.000 claims description 8
- FVZVCSNXTFCBQU-UHFFFAOYSA-N phosphanyl Chemical group [PH2] FVZVCSNXTFCBQU-UHFFFAOYSA-N 0.000 claims description 8
- 125000000475 sulfinyl group Chemical group [*:2]S([*:1])=O 0.000 claims description 8
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 claims description 8
- 125000003396 thiol group Chemical group [H]S* 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 6
- 125000004493 2-methylbut-1-yl group Chemical group CC(C*)CC 0.000 claims description 5
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 5
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 claims description 5
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 claims description 5
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 5
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims description 5
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 claims description 5
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 5
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 5
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 claims description 5
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 5
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 5
- 125000003548 sec-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 5
- 125000001973 tert-pentyl group Chemical group [H]C([H])([H])C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 5
- ZCUJYXPAKHMBAZ-UHFFFAOYSA-N 2-phenyl-1h-imidazole Chemical compound C1=CNC(C=2C=CC=CC=2)=N1 ZCUJYXPAKHMBAZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 150000002367 halogens Chemical class 0.000 claims description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims 2
- 125000005842 heteroatom Chemical group 0.000 claims 2
- 239000010410 layer Substances 0.000 description 91
- 239000000463 material Substances 0.000 description 74
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 37
- 235000019439 ethyl acetate Nutrition 0.000 description 18
- 238000004768 lowest unoccupied molecular orbital Methods 0.000 description 18
- TXCDCPKCNAJMEE-UHFFFAOYSA-N dibenzofuran Chemical compound C1=CC=C2C3=CC=CC=C3OC2=C1 TXCDCPKCNAJMEE-UHFFFAOYSA-N 0.000 description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 15
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 15
- 239000000047 product Substances 0.000 description 14
- WIUZHVZUGQDRHZ-UHFFFAOYSA-N [1]benzothiolo[3,2-b]pyridine Chemical compound C1=CN=C2C3=CC=CC=C3SC2=C1 WIUZHVZUGQDRHZ-UHFFFAOYSA-N 0.000 description 13
- IYYZUPMFVPLQIF-UHFFFAOYSA-N dibenzothiophene Chemical compound C1=CC=C2C3=CC=CC=C3SC2=C1 IYYZUPMFVPLQIF-UHFFFAOYSA-N 0.000 description 13
- UJOBWOGCFQCDNV-UHFFFAOYSA-N 9H-carbazole Chemical compound C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 description 12
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 12
- 239000002019 doping agent Substances 0.000 description 12
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 12
- 150000003384 small molecules Chemical class 0.000 description 12
- 230000032258 transport Effects 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 230000004888 barrier function Effects 0.000 description 11
- 230000000903 blocking effect Effects 0.000 description 11
- 239000007924 injection Substances 0.000 description 11
- 238000002347 injection Methods 0.000 description 11
- 239000000203 mixture Substances 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 10
- 238000004770 highest occupied molecular orbital Methods 0.000 description 10
- 239000000758 substrate Substances 0.000 description 10
- 238000003786 synthesis reaction Methods 0.000 description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 150000004696 coordination complex Chemical class 0.000 description 9
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 8
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 8
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 8
- 230000005525 hole transport Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000011541 reaction mixture Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 238000000151 deposition Methods 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 6
- SLGBZMMZGDRARJ-UHFFFAOYSA-N Triphenylene Natural products C1=CC=C2C3=CC=CC=C3C3=CC=CC=C3C2=C1 SLGBZMMZGDRARJ-UHFFFAOYSA-N 0.000 description 6
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 6
- 239000013058 crude material Substances 0.000 description 6
- 150000004820 halides Chemical class 0.000 description 6
- 239000011368 organic material Substances 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- XSCHRSMBECNVNS-UHFFFAOYSA-N quinoxaline Chemical compound N1=CC=NC2=CC=CC=C21 XSCHRSMBECNVNS-UHFFFAOYSA-N 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 125000005580 triphenylene group Chemical group 0.000 description 6
- 239000000412 dendrimer Substances 0.000 description 5
- 229920000736 dendritic polymer Polymers 0.000 description 5
- 230000005693 optoelectronics Effects 0.000 description 5
- 150000002894 organic compounds Chemical class 0.000 description 5
- 239000000741 silica gel Substances 0.000 description 5
- 229910002027 silica gel Inorganic materials 0.000 description 5
- FCEHBMOGCRZNNI-UHFFFAOYSA-N 1-benzothiophene Chemical compound C1=CC=C2SC=CC2=C1 FCEHBMOGCRZNNI-UHFFFAOYSA-N 0.000 description 4
- 125000003542 3-methylbutan-2-yl group Chemical group [H]C([H])([H])C([H])(*)C([H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 4
- 229940126062 Compound A Drugs 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- PCNDJXKNXGMECE-UHFFFAOYSA-N Phenazine Natural products C1=CC=CC2=NC3=CC=CC=C3N=C21 PCNDJXKNXGMECE-UHFFFAOYSA-N 0.000 description 4
- KYQCOXFCLRTKLS-UHFFFAOYSA-N Pyrazine Chemical compound C1=CN=CC=N1 KYQCOXFCLRTKLS-UHFFFAOYSA-N 0.000 description 4
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 4
- DZBUGLKDJFMEHC-UHFFFAOYSA-N acridine Chemical compound C1=CC=CC2=CC3=CC=CC=C3N=C21 DZBUGLKDJFMEHC-UHFFFAOYSA-N 0.000 description 4
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 4
- 125000006615 aromatic heterocyclic group Chemical group 0.000 description 4
- CUFNKYGDVFVPHO-UHFFFAOYSA-N azulene Chemical compound C1=CC=CC2=CC=CC2=C1 CUFNKYGDVFVPHO-UHFFFAOYSA-N 0.000 description 4
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 4
- 235000010290 biphenyl Nutrition 0.000 description 4
- 239000004305 biphenyl Substances 0.000 description 4
- WDECIBYCCFPHNR-UHFFFAOYSA-N chrysene Chemical compound C1=CC=CC2=CC=C3C4=CC=CC=C4C=CC3=C21 WDECIBYCCFPHNR-UHFFFAOYSA-N 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 4
- DHFABSXGNHDNCO-UHFFFAOYSA-N dibenzoselenophene Chemical compound C1=CC=C2C3=CC=CC=C3[se]C2=C1 DHFABSXGNHDNCO-UHFFFAOYSA-N 0.000 description 4
- AWJUIBRHMBBTKR-UHFFFAOYSA-N isoquinoline Chemical compound C1=NC=CC2=CC=CC=C21 AWJUIBRHMBBTKR-UHFFFAOYSA-N 0.000 description 4
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- BBEAQIROQSPTKN-UHFFFAOYSA-N pyrene Chemical compound C1=CC=C2C=CC3=CC=CC4=CC=C1C2=C43 BBEAQIROQSPTKN-UHFFFAOYSA-N 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 229930192474 thiophene Natural products 0.000 description 4
- LEKJDJUISWICSE-UHFFFAOYSA-N 7-(2-phenylimidazol-1-yl)-6,8-di(propan-2-yl)-[1]benzofuro[2,3-b]pyridine Chemical compound CC(C)C1=CC=2C3=CC=CN=C3OC=2C(C(C)C)=C1N1C=CN=C1C1=CC=CC=C1 LEKJDJUISWICSE-UHFFFAOYSA-N 0.000 description 3
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Chemical compound N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 125000000623 heterocyclic group Chemical group 0.000 description 3
- VVVPGLRKXQSQSZ-UHFFFAOYSA-N indolo[3,2-c]carbazole Chemical class C1=CC=CC2=NC3=C4C5=CC=CC=C5N=C4C=CC3=C21 VVVPGLRKXQSQSZ-UHFFFAOYSA-N 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 125000004433 nitrogen atom Chemical group N* 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 description 3
- 235000011152 sodium sulphate Nutrition 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 2
- KTZQTRPPVKQPFO-UHFFFAOYSA-N 1,2-benzoxazole Chemical compound C1=CC=C2C=NOC2=C1 KTZQTRPPVKQPFO-UHFFFAOYSA-N 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 2
- BCMCBBGGLRIHSE-UHFFFAOYSA-N 1,3-benzoxazole Chemical compound C1=CC=C2OC=NC2=C1 BCMCBBGGLRIHSE-UHFFFAOYSA-N 0.000 description 2
- FLBAYUMRQUHISI-UHFFFAOYSA-N 1,8-naphthyridine Chemical compound N1=CC=CC2=CC=CN=C21 FLBAYUMRQUHISI-UHFFFAOYSA-N 0.000 description 2
- BNRDGHFESOHOBF-UHFFFAOYSA-N 1-benzoselenophene Chemical compound C1=CC=C2[se]C=CC2=C1 BNRDGHFESOHOBF-UHFFFAOYSA-N 0.000 description 2
- WJFKNYWRSNBZNX-UHFFFAOYSA-N 10H-phenothiazine Chemical compound C1=CC=C2NC3=CC=CC=C3SC2=C1 WJFKNYWRSNBZNX-UHFFFAOYSA-N 0.000 description 2
- TZMSYXZUNZXBOL-UHFFFAOYSA-N 10H-phenoxazine Chemical compound C1=CC=C2NC3=CC=CC=C3OC2=C1 TZMSYXZUNZXBOL-UHFFFAOYSA-N 0.000 description 2
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 description 2
- BAXOFTOLAUCFNW-UHFFFAOYSA-N 1H-indazole Chemical compound C1=CC=C2C=NNC2=C1 BAXOFTOLAUCFNW-UHFFFAOYSA-N 0.000 description 2
- VEPOHXYIFQMVHW-XOZOLZJESA-N 2,3-dihydroxybutanedioic acid (2S,3S)-3,4-dimethyl-2-phenylmorpholine Chemical compound OC(C(O)C(O)=O)C(O)=O.C[C@H]1[C@@H](OCCN1C)c1ccccc1 VEPOHXYIFQMVHW-XOZOLZJESA-N 0.000 description 2
- OLGGLCIDAMICTA-UHFFFAOYSA-N 2-pyridin-2-yl-1h-indole Chemical compound N1C2=CC=CC=C2C=C1C1=CC=CC=N1 OLGGLCIDAMICTA-UHFFFAOYSA-N 0.000 description 2
- BCHZICNRHXRCHY-UHFFFAOYSA-N 2h-oxazine Chemical compound N1OC=CC=C1 BCHZICNRHXRCHY-UHFFFAOYSA-N 0.000 description 2
- BWCDLEQTELFBAW-UHFFFAOYSA-N 3h-dioxazole Chemical compound N1OOC=C1 BWCDLEQTELFBAW-UHFFFAOYSA-N 0.000 description 2
- 125000001054 5 membered carbocyclic group Chemical group 0.000 description 2
- 125000004008 6 membered carbocyclic group Chemical group 0.000 description 2
- VTLBZDJPXUZNEA-UHFFFAOYSA-N 7-nitro-[1]benzofuro[2,3-b]pyridine Chemical compound C1=CC=C2C3=CC=C([N+](=O)[O-])C=C3OC2=N1 VTLBZDJPXUZNEA-UHFFFAOYSA-N 0.000 description 2
- BPMFPOGUJAAYHL-UHFFFAOYSA-N 9H-Pyrido[2,3-b]indole Chemical compound C1=CC=C2C3=CC=CC=C3NC2=N1 BPMFPOGUJAAYHL-UHFFFAOYSA-N 0.000 description 2
- GJCOSYZMQJWQCA-UHFFFAOYSA-N 9H-xanthene Chemical compound C1=CC=C2CC3=CC=CC=C3OC2=C1 GJCOSYZMQJWQCA-UHFFFAOYSA-N 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- SIKJAQJRHWYJAI-UHFFFAOYSA-N Indole Chemical compound C1=CC=C2NC=CC2=C1 SIKJAQJRHWYJAI-UHFFFAOYSA-N 0.000 description 2
- PCLIMKBDDGJMGD-UHFFFAOYSA-N N-bromosuccinimide Chemical compound BrN1C(=O)CCC1=O PCLIMKBDDGJMGD-UHFFFAOYSA-N 0.000 description 2
- ZCQWOFVYLHDMMC-UHFFFAOYSA-N Oxazole Chemical compound C1=COC=N1 ZCQWOFVYLHDMMC-UHFFFAOYSA-N 0.000 description 2
- WTKZEGDFNFYCGP-UHFFFAOYSA-N Pyrazole Chemical compound C=1C=NNC=1 WTKZEGDFNFYCGP-UHFFFAOYSA-N 0.000 description 2
- CZPWVGJYEJSRLH-UHFFFAOYSA-N Pyrimidine Chemical compound C1=CN=CN=C1 CZPWVGJYEJSRLH-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
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 2
- KPKCOZYIDOSMPX-UHFFFAOYSA-N [1]benzofuro[2,3-b]pyridin-7-amine Chemical compound C1=CC=C2C3=CC=C(N)C=C3OC2=N1 KPKCOZYIDOSMPX-UHFFFAOYSA-N 0.000 description 2
- QZLAKPGRUFFNRD-UHFFFAOYSA-N [1]benzoselenolo[3,2-b]pyridine Chemical compound C1=CN=C2C3=CC=CC=C3[se]C2=C1 QZLAKPGRUFFNRD-UHFFFAOYSA-N 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 150000004982 aromatic amines Chemical class 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- PXXJHWLDUBFPOL-UHFFFAOYSA-N benzamidine Chemical compound NC(=N)C1=CC=CC=C1 PXXJHWLDUBFPOL-UHFFFAOYSA-N 0.000 description 2
- RFRXIWQYSOIBDI-UHFFFAOYSA-N benzarone Chemical compound CCC=1OC2=CC=CC=C2C=1C(=O)C1=CC=C(O)C=C1 RFRXIWQYSOIBDI-UHFFFAOYSA-N 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- WCZVZNOTHYJIEI-UHFFFAOYSA-N cinnoline Chemical compound N1=NC=CC2=CC=CC=C21 WCZVZNOTHYJIEI-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000021615 conjugation Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
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- FBVBNCGJVKIEHH-UHFFFAOYSA-N [1]benzofuro[3,2-b]pyridine Chemical compound C1=CN=C2C3=CC=CC=C3OC2=C1 FBVBNCGJVKIEHH-UHFFFAOYSA-N 0.000 description 1
- DSVGQVZAZSZEEX-UHFFFAOYSA-N [C].[Pt] Chemical compound [C].[Pt] DSVGQVZAZSZEEX-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
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- AKYIWGFQFIESOZ-UHFFFAOYSA-N dicyclohexyl-[3-(2,6-dimethoxyphenyl)phenyl]phosphane Chemical compound COC1=CC=CC(OC)=C1C1=CC=CC(P(C2CCCCC2)C2CCCCC2)=C1 AKYIWGFQFIESOZ-UHFFFAOYSA-N 0.000 description 1
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- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- PZOUSPYUWWUPPK-UHFFFAOYSA-N indole Natural products CC1=CC=CC2=C1C=CN2 PZOUSPYUWWUPPK-UHFFFAOYSA-N 0.000 description 1
- RKJUIXBNRJVNHR-UHFFFAOYSA-N indolenine Natural products C1=CC=C2CC=NC2=C1 RKJUIXBNRJVNHR-UHFFFAOYSA-N 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 150000002503 iridium Chemical class 0.000 description 1
- HLYTZTFNIRBLNA-LNTINUHCSA-K iridium(3+);(z)-4-oxopent-2-en-2-olate Chemical compound [Ir+3].C\C([O-])=C\C(C)=O.C\C([O-])=C\C(C)=O.C\C([O-])=C\C(C)=O HLYTZTFNIRBLNA-LNTINUHCSA-K 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 150000002829 nitrogen Chemical class 0.000 description 1
- 238000013086 organic photovoltaic Methods 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 1
- YJVFFLUZDVXJQI-UHFFFAOYSA-L palladium(ii) acetate Chemical compound [Pd+2].CC([O-])=O.CC([O-])=O YJVFFLUZDVXJQI-UHFFFAOYSA-L 0.000 description 1
- KBBSSGXNXGXONI-UHFFFAOYSA-N phenanthro[9,10-b]pyrazine Chemical compound C1=CN=C2C3=CC=CC=C3C3=CC=CC=C3C2=N1 KBBSSGXNXGXONI-UHFFFAOYSA-N 0.000 description 1
- RIYPENPUNLHEBK-UHFFFAOYSA-N phenanthro[9,10-b]pyridine Chemical compound C1=CC=C2C3=CC=CC=C3C3=CC=CC=C3C2=N1 RIYPENPUNLHEBK-UHFFFAOYSA-N 0.000 description 1
- 125000004437 phosphorous atom Chemical group 0.000 description 1
- 238000005424 photoluminescence Methods 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical class N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 150000004033 porphyrin derivatives Chemical class 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 230000003335 steric effect Effects 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- IOGXOCVLYRDXLW-UHFFFAOYSA-N tert-butyl nitrite Chemical compound CC(C)(C)ON=O IOGXOCVLYRDXLW-UHFFFAOYSA-N 0.000 description 1
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 1
- RMNIZOOYFMNEJJ-UHFFFAOYSA-K tripotassium;phosphate;hydrate Chemical compound O.[K+].[K+].[K+].[O-]P([O-])([O-])=O RMNIZOOYFMNEJJ-UHFFFAOYSA-K 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/04—Ortho-condensed systems
- C07D491/044—Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring
- C07D491/048—Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring the oxygen-containing ring being five-membered
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D495/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
- C07D495/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D495/04—Ortho-condensed systems
-
- 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
- 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
-
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/30—Coordination compounds
- H10K85/341—Transition metal complexes, e.g. Ru(II)polypyridine complexes
- H10K85/342—Transition metal complexes, e.g. Ru(II)polypyridine complexes comprising iridium
-
- 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
- C09K2211/1003—Carbocyclic compounds
- C09K2211/1007—Non-condensed systems
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- 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
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- 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
- C09K2211/1044—Heterocyclic compounds characterised by ligands containing two nitrogen atoms as heteroatoms
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Description
本出願は、参照によりその内容全体が本明細書に組み込まれる、2012年8月24日に出願された米国仮出願第61/692、987号の優先権を主張する。
特許請求されている発明は、大学・企業の共同研究契約の下記の当事者:University of Michigan、Princeton University、University of Southern California、及びUniversal Display Corporationの理事らの1又は複数によって、その利益になるように、且つ/又は関連して為されたものである。該契約は、特許請求されている発明が為された日付以前に発効したものであり、特許請求されている発明は、該契約の範囲内で行われる活動の結果として為されたものである。
有機発光デバイス中の特定の層に有用として本明細書において記述されている材料は、デバイス中に存在する多種多様な他の材料と組み合わせて使用され得る。例えば、本明細書において開示されている発光ドーパントは、多種多様なホスト、輸送層、ブロッキング層、注入層、電極、及び存在し得る他の層と併せて使用され得る。以下で記述又は参照される材料は、本明細書において開示されている化合物と組み合わせて有用となり得る材料の非限定的な例であり、当業者であれば、組み合わせて有用となり得る他の材料を特定するための文献を容易に閲覧することができる。
HIL/HTL:
ホスト:
Z100及びZ200はNR1、O又はSから選択される。
HBL:
ETL:
化合物5−O−1の合成
3−(4,4,5,5−テトラメチル−1,3,2−ジオキサボロラン−2−イル)ピリジン−2−アミン(20g、91mmol)、1−ヨード−2−メトキシ−4−ニトロベンゼン(23g、83mmol)、Pd(PPh3)4(1g、0.83mmol)及び炭酸ナトリウム(26g、248mmol)をDME(300mL)及び水(200mL)に添加し、反応混合物を充分に脱気した後、16時間加熱還流した。反応物を室温まで冷却し、EtOAcと水とで分配した。層を分離し、水層をEtOAcで2回抽出した。合わせた有機層を硫酸ナトリウムで乾燥させ、濾過し、ロータリーエバポレーターにかけた。粗物質をEtOAcで洗い出して、5.0gの生成物を得た。濾液をシリカゲルでクロマトグラフィー(1/1 ヘキサン/EtOAcからEtOAc)にかけて、更に4.4gの生成物を得た。3−(2−メトキシ−4−ニトロフェニル)ピリジン−2−アミンの合計収量は、9.4g(46%)であった。生成物をNMRによって確認した。
3−(2−メトキシ−4−ニトロフェニル)ピリジン−2−アミン(9.4g、38.3mmol)を酢酸(60mL)及びTHF(20mL)に溶解させ、反応混合物を塩/氷/水浴中で−10℃まで冷却した。亜硝酸t−ブチル(9.1mL、77.0mmol)を滴下したところ、反応物の粘度が上昇した。反応混合物を一晩かけてゆっくりと室温まで放温し、EtOAcと水とで分配した。水層をEtOAcで2回洗浄し、合わせた有機層を水で2回洗浄した。有機層を硫酸ナトリウムで乾燥させ、除去して、黄色の固体を9.2g得た。粗物質をシリカゲルでクロマトグラフィー(99/1から99/5 DCM/EtOAc)にかけて、オフホワイトの固体として7−ニトロベンゾフロ[2,3−b]ピリジンを5.0g(61%)得た。生成物をNMRによって確認した。
エタノール(200mL)中7−ニトロベンゾフロ[2,3−b]ピリジン(5g、23.4mmol)にパラジウム炭素(1.2g)を添加し、2時間Parr水添器を用いて水素で還元した。GC/MSが反応の完了を示したので、内容物をCelite(登録商標)のプラグで濾過し、DCMで洗浄した。溶媒を蒸発させた後、粗物質をシリカでクロマトグラフィー(0%から10% DCM中酢酸エチル)にかけて、3.9g(91%)のベンゾフロ[2,3−b]ピリジン−7−アミンを得た。生成物をNMRによって確認した。
ベンゾフロ[2,3−b]ピリジン−7−アミン(6.6g、35.8mmol)をDMF(35mL)に懸濁させ、0℃まで冷却した。N−ブロモスクシンイミド(12.8g、71.7mmol)をDMF(35mL)に溶解させ、アミン混合物に滴下し、反応溶液を一晩かけてゆっくりと室温まで放温した。反応混合物を250mLのNaHCO3水溶液に注ぎ、10分間撹拌し、内容物を濾過し、多量の水で洗浄した。濾過した固体をヘキサン/EtOAcと共に粉砕し、乾燥させて、黄褐色の固体として6,8−ジブロモベンゾフロ[2,3−b]ピリジン−7−アミン12g(98%)を得た。生成物をNMRによって確認した。
6,8−ジブロモベンゾフロ[2,3−b]ピリジン−7−アミン(11g、32.2mmol)、4,4,5,5−テトラメチル−2−(プロパ−1−エン−2−イル)−1,3,2−ジオキサボロラン(25.3mL、149mmol)、酢酸パラジウム(II)(1.1g、4.8mmol)、ジシクロヘキシル(2’,6’−ジメトキシ−[1,1’−ビフェニル]−3−イル)ホスフィン(4.0g、9.7mmol)、及び第三リン酸カリウム一水和物(37.0g、161mmol)をトルエン(120mL)及び水(120mL)に添加し、混合物を充分に脱気した後、一晩加熱還流した。冷却した後、反応混合物をEtOAcと水とで分配した。水層をEtOAcで2回洗浄し、合わせた有機層を水で2回洗浄した。有機層を硫酸ナトリウムで乾燥させ、除去し、粗物質をシリカゲルでクロマトグラフィーにかけて7.1g(84%)の6,8−ジ(プロパ−1−エン−2−イル)ベンゾフロ[2,3−b]ピリジン−7−アミンを得た。生成物をGC/MS及びNMRによって確認した。
パラジウム炭素(1.4g)及び白金炭素(2.6g)を、エタノール(150mL)及び酢酸(2mL)中6,8−ジ(プロパ−1−エン−2−イル)ベンゾフロ[2,3−b]ピリジン−7−アミン(7.1g、26.9mmol)に添加し、16時間Parr水添器を用いて水素で還元した。GC/MSが反応の完了を示したので、内容物をCelite(登録商標)のプラグで濾過し、DCMで洗浄した。溶媒を蒸発させた後、粗物質をシリカでクロマトグラフィー(80:10:10 ヘキサン:EtOAc:DCM)にかけて、4.8g(67%)の6,8−ジイソプロピルベンゾフロ[2,3−b]ピリジン−7−アミンを得た。生成物をGC/MS及びNMRによって確認した。
6,8−ジイソプロピルベンゾフロ[2,3−b]ピリジン−7−アミン(4.7g、17.5mmol)をトルエン(100mL)に溶解させ、0℃まで冷却した。トリメチルアルミニウム(17.5mL、35.0mmol)(トルエン中2.0M)を滴下し、反応混合物を室温まで放温し、2時間撹拌した。次いで、トルエン(60mL)中ベンゾニトリル(2.3mL、22.8mmol)を滴下し、反応物を一晩かけて90℃まで加熱した。反応物を冷却し、シリカ(100g)、DCM(200mL)、及びMeOH(100mL)の入ったビーカーに少しずつ注いだところ、若干気体が発生し、僅かに発熱した。混合物を1時間撹拌し、Celite(登録商標)で濾過し、溶出液がTLCで発光を示さなくなるまで約9:1のDCM:MeOHで洗浄した(総体積 約1L)。溶出液を除去して黄色の固体7.2gを得、これをヘキサンで洗い出して、オフホワイトの固体としてN’−(6,8−ジイソプロピルベンゾフロ[2,3−b]ピリジン−7−イル)ベンズイミドアミド6.3g(97%)を得た。生成物をGC/MS及びNMRによって確認した。
N’−(6,8−ジイソプロピルベンゾフロ[2,3−b]ピリジン−7−イル)ベンズイミドアミド(6.3g、16.9mmol)を2−プロパノール(200mL)に添加し、2−クロロアセトアルデヒド(5.3g、33.9mmol)(水中50%)及び重炭酸ナトリウム(4.3g、50.9mmol)を添加した。反応混合物を一晩加熱還流し、室温まで冷却し、EtOAcと水とで分配した。分離後、水層をEtOAcで2回洗浄し、合わせた有機層を10%LiCl(水溶液)で2回洗浄した。合わせた有機層を乾燥させ、ロータリーエバポレーターにかけ、粗物質を100mLのトルエンに溶解させ、25mLの無水酢酸を添加した。溶液を一晩加熱還流し、室温まで冷却し、MeOHでクエンチした。全ての溶媒を減圧下で除去し、得られた残渣をシリカゲルでクロマトグラフィー(9/1 ヘキサン/EtOAcから9/1 ヘキサン/EtOAcの勾配)にかけて、5.7g(85%)の6,8−ジイソプロピル−7−(2−フェニル−1H−イミダゾール−1−イル)ベンゾフロ[2,3−b]ピリジンを得た。生成物をGC/MS及びNMRによって確認した。
6,8−ジイソプロピル−7−(2−フェニル−1H−イミダゾール−1−イル)ベンゾフロ[2,3−b]ピリジン(4.0g、10.1mmol)、Ir(acac)3(0.99g、2.0mmol)及び20滴のトリデカンをシュレンク管に添加し、充分に脱気した。反応物を砂浴中で60分間かけて255℃(浴温度)まで加熱した後、室温まで冷却した。反応混合物をDCMに取り、シリカゲルでクロマトグラフィー(DCMから95/5 DCM/EtOAcの勾配)にかけた。この物質をDCMに溶解させ、iPrOHで沈殿させて、1.2g(43%)のBD649を得た。生成物をLC/MS及びNMRによって確認した。
表2は、室温における化合物5−O−1及び化合物Aの酸化還元電位(電解質として0.1MのNBu4PF6を含む乾燥DMF中で測定)及びフォトルミネッセンス発光波長を示す。化合物Aに比べて本発明の化合物は、遥かに還元しやすいが、略同じ色を維持することができる(λmaxの差は僅か2nm)ことが予想外に見出された。化合物5−O−1の還元電位は、化合物Aよりも0.27V低く、これは、同じ青色発光を維持しながら遥かに安定なデバイスを得るために非常に望ましい。
110 基板
115 アノード
120 正孔注入層
125 正孔輸送層
130 電子ブロッキング層
135 放出層
140 正孔ブロッキング層
145 電子輸送層
150 電子注入層
155 保護層
160 カソード
170 障壁層
162 第一の導電層
164 第二の導電層
200 反転させたOLED、デバイス
210 基板
215 カソード
220 放出層
225 正孔輸送層
230 アノード
Claims (13)
- 下記式(I)を有する配位子L3を含むことを特徴とする化合物。
環Bはフェニルであり;
RA、RB、RC、及びRDは、それぞれモノ、ジ、トリ、テトラ置換又は無置換であることを表し;
Z1、Z2、Z3、Z4、Z5、Z6、Z7、及びZ8は、それぞれN又はCから選択され;
Z1、Z2、Z3、Z4、Z5、Z6、Z7、及びZ8の少なくとも1つは、Nであり;
Z1、Z2、Z3、及びZ4のうちの1つは、AのNに結合するCであり;
Zは、BR、PR、O、S、Se、C=O、S=O、SO2、CRR’、SiRR’、及びGeRR’からなる群から選択され;
R、R’、RA、RB、RC、及びRDは、水素、重水素、ハロゲン、アルキル、シクロアルキル、ヘテロアルキル、アリールアルキル、アルコキシ、アリールオキシ、アミノ、シリル、アルケニル、シクロアルケニル、ヘテロアルケニル、アルキニル、アリール、ヘテロアリール、アシル、カルボニル、カルボキシル、エステル、ニトリル、イソニトリル、スルファニル、スルフィニル、スルホニル、ホスフィノ、及びそれらの組合せからなる群からそれぞれ独立に選択され;
任意の2個の隣接するR、R’、RA、RB、RC、及びRDは、互いに結合して環を形成してもよく、前記環は更に置換されていてもよく;
L3は、金属M1に配位しており前記金属M1はIrであり;
L3は、他の配位子と結合して、三座、四座、五座又は六座配位子を形成していてもよい) - ホモレプティックである請求項1に記載の化合物。
- ヘテロレプティックである請求項1に記載の化合物。
- Z1、Z2、Z3、Z4、Z5、Z6、Z7、及びZ8のうちの1つだけがNである請求項1に記載の化合物。
- ZがO又はSである請求項1に記載の化合物。
- Z1が環AのNに結合している場合には、Z2がCR”であり;
Z2が環AのNに結合している場合には、Z1及びZ3の両方がCR”であり;
Z3が環AのNに結合している場合には、Z2及びZ4の両方がCR”であり;又は
Z4が環AのNに結合している場合には、Z3がCR”であり;
R”はアルキル、シクロアルキル、アリール、又は置換アリールである請求項1に記載の化合物。 - R”が、メチル、エチル、プロピル、1−メチルエチル、ブチル、1−メチルプロピル、2−メチルプロピル、ペンチル、1−メチルブチル、2−メチルブチル、3−メチルブチル、1,1−ジメチルプロピル、1,2−ジメチルプロピル、2,2−ジメチルプロピル、シクロペンチル、シクロヘキシル、フェニル、及びこれらの組み合わせからなる群から選択される請求項6に記載の化合物。
- 配位子L3が下記式(II)を有する配位子である請求項1に記載の化合物。
- 下記式(III)を有する請求項1に記載の化合物。
- Z9−Z10が、2−フェニルイミダゾール、1−フェニルイミダゾール、2−フェニルピリジル、1−(4−ジベンゾフラン)イミダゾール、又は1−(4−ジベンゾチオフェン)イミダゾールであり、これらはそれぞれ、アルキル、シクロアルキル、アリール、ヘテロアリール、及びこれらの組み合わせからなる群から独立に選択される置換基によって1回以上置換されていてもよい請求項9に記載の化合物。
- 下記の化合物からなる群から選択される請求項1に記載の化合物。
- 下記の化合物からなる群から選択される請求項1に記載の化合物。
- 第一の有機発光デバイスを含み、
アノードと、
カソードと、
前記アノード及び前記カソードの間に配置された、下記式(I)の配位子L3を有する化合物を含む有機層を含む第一のデバイス。
環Bはフェニルであり;
RA、RB、RC、及びRDは、それぞれモノ、ジ、トリ、テトラ置換又は無置換であることを表し;
Z1、Z2、Z3、Z4、Z5、Z6、Z7、及びZ8は、それぞれN又はCから選択され;
Z1、Z2、Z3、Z4、Z5、Z6、Z7、及びZ8の少なくとも1つは、Nであり;
Z1、Z2、Z3、及びZ4のうちの1つは、AのNに結合するCであり;
Zは、BR、PR、O、S、Se、C=O、S=O、SO2、CRR’、SiRR’、及びGeRR’からなる群から選択され;
R、R’、RA、RB、RC、及びRDは、水素、重水素、ハロゲン、アルキル、シクロアルキル、ヘテロアルキル、アリールアルキル、アルコキシ、アリールオキシ、アミノ、シリル、アルケニル、シクロアルケニル、ヘテロアルケニル、アルキニル、アリール、ヘテロアリール、アシル、カルボニル、カルボキシル、エステル、ニトリル、イソニトリル、スルファニル、スルフィニル、スルホニル、ホスフィノ、及びそれらの組合せからなる群からそれぞれ独立に選択され;
任意の2個の隣接するR、R’、RA、RB、RC、及びRDは、互いに結合して環を形成してもよく、前記環は更に置換されていてもよく;
L3は、金属M1に配位しており前記金属M1はIrであり;
L3は、他の配位子と結合して、三座、四座、五座又は六座配位子を形成していてもよい)
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JP5849853B2 (ja) | 2012-05-10 | 2016-02-03 | コニカミノルタ株式会社 | 有機エレクトロルミネッセンス素子、表示装置及び照明装置 |
WO2014038456A1 (ja) * | 2012-09-04 | 2014-03-13 | コニカミノルタ株式会社 | 有機エレクトロルミネッセンス素子、照明装置及び表示装置 |
US8692241B1 (en) * | 2012-11-08 | 2014-04-08 | Universal Display Corporation | Transition metal complexes containing triazole and tetrazole carbene ligands |
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CN108676010A (zh) | 2018-10-19 |
KR102034902B1 (ko) | 2019-10-21 |
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US9978958B2 (en) | 2018-05-22 |
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