KR102321311B1 - Novel compound and organic light emitting device comprising the same - Google Patents
Novel compound and organic light emitting device comprising the same Download PDFInfo
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- KR102321311B1 KR102321311B1 KR1020190140606A KR20190140606A KR102321311B1 KR 102321311 B1 KR102321311 B1 KR 102321311B1 KR 1020190140606 A KR1020190140606 A KR 1020190140606A KR 20190140606 A KR20190140606 A KR 20190140606A KR 102321311 B1 KR102321311 B1 KR 102321311B1
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 112
- 239000011368 organic material Substances 0.000 claims description 35
- 125000003118 aryl group Chemical group 0.000 claims description 24
- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- 229910052717 sulfur Inorganic materials 0.000 claims description 8
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 7
- 125000001072 heteroaryl group Chemical group 0.000 claims description 6
- 125000005842 heteroatom Chemical group 0.000 claims description 6
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims description 4
- 125000001624 naphthyl group Chemical group 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 229910052727 yttrium Inorganic materials 0.000 claims description 3
- 235000010290 biphenyl Nutrition 0.000 claims description 2
- 239000004305 biphenyl Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 151
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 88
- 239000012044 organic layer Substances 0.000 description 69
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- -1 hole transport Substances 0.000 description 59
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 51
- 238000002347 injection Methods 0.000 description 41
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- 230000032258 transport Effects 0.000 description 26
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 25
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- 229910000027 potassium carbonate Inorganic materials 0.000 description 16
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- APSBXTVYXVQYAB-UHFFFAOYSA-M sodium docusate Chemical compound [Na+].CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC APSBXTVYXVQYAB-UHFFFAOYSA-M 0.000 description 5
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
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- TXCDCPKCNAJMEE-UHFFFAOYSA-N dibenzofuran Chemical group C1=CC=C2C3=CC=CC=C3OC2=C1 TXCDCPKCNAJMEE-UHFFFAOYSA-N 0.000 description 3
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- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
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- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
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- 229910052791 calcium Inorganic materials 0.000 description 2
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- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 2
- WDECIBYCCFPHNR-UHFFFAOYSA-N chrysene Chemical compound C1=CC=CC2=CC=C3C4=CC=CC=C4C=CC3=C21 WDECIBYCCFPHNR-UHFFFAOYSA-N 0.000 description 2
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- 239000011734 sodium Substances 0.000 description 2
- 125000001973 tert-pentyl group Chemical group [H]C([H])([H])C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
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- UWRZIZXBOLBCON-VOTSOKGWSA-N (e)-2-phenylethenamine Chemical compound N\C=C\C1=CC=CC=C1 UWRZIZXBOLBCON-VOTSOKGWSA-N 0.000 description 1
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- 125000006176 2-ethylbutyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(C([H])([H])*)C([H])([H])C([H])([H])[H] 0.000 description 1
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- TVIVIEFSHFOWTE-UHFFFAOYSA-K tri(quinolin-8-yloxy)alumane Chemical compound [Al+3].C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1 TVIVIEFSHFOWTE-UHFFFAOYSA-K 0.000 description 1
- KWQNQSDKCINQQP-UHFFFAOYSA-K tri(quinolin-8-yloxy)gallane Chemical compound C1=CN=C2C(O[Ga](OC=3C4=NC=CC=C4C=CC=3)OC=3C4=NC=CC=C4C=CC=3)=CC=CC2=C1 KWQNQSDKCINQQP-UHFFFAOYSA-K 0.000 description 1
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- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
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- NHDIQVFFNDKAQU-UHFFFAOYSA-N tripropan-2-yl borate Chemical compound CC(C)OB(OC(C)C)OC(C)C NHDIQVFFNDKAQU-UHFFFAOYSA-N 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
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- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
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- 229920002554 vinyl polymer Polymers 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
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- HTPBWAPZAJWXKY-UHFFFAOYSA-L zinc;quinolin-8-olate Chemical compound [Zn+2].C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1 HTPBWAPZAJWXKY-UHFFFAOYSA-L 0.000 description 1
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- C07—ORGANIC CHEMISTRY
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- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/14—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
- C07D409/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/649—Aromatic compounds comprising a hetero atom
- H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
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Abstract
본 발명은 신규한 화합물 및 이를 이용한 유기 발광 소자를 제공한다.The present invention provides a novel compound and an organic light emitting device using the same.
Description
본 발명은 신규한 화합물 및 이를 포함하는 유기 발광 소자에 관한 것이다. The present invention relates to a novel compound and an organic light emitting device comprising the same.
일반적으로 유기 발광 현상이란 유기 물질을 이용하여 전기에너지를 빛에너지로 전환시켜주는 현상을 말한다. 유기 발광 현상을 이용하는 유기 발광 소자는 넓은 시야각, 우수한 콘트라스트, 빠른 응답 시간을 가지며, 휘도, 구동 전압 및 응답 속도 특성이 우수하여 많은 연구가 진행되고 있다. In general, the organic light emitting phenomenon refers to a phenomenon in which electric energy is converted into light energy using an organic material. The organic light emitting device using the organic light emitting phenomenon has a wide viewing angle, excellent contrast, fast response time, and excellent luminance, driving voltage, and response speed characteristics, and thus many studies are being conducted.
유기 발광 소자는 일반적으로 양극과 음극 및 상기 양극과 음극 사이에 유기물층을 포함하는 구조를 가진다. 상기 유기물층은 유기 발광 소자의 효율과 안정성을 높이기 위하여 각기 다른 물질로 구성된 다층의 구조로 이루어진 경우가 많으며, 예컨대 정공주입층, 정공수송층, 발광층, 전자수송층, 전자주입층 등으로 이루어질 수 있다. 이러한 유기 발광 소자의 구조에서 두 전극 사이에 전압을 걸어주게 되면 양극에서는 정공이, 음극에서는 전자가 유기물층에 주입되게 되고, 주입된 정공과 전자가 만났을 때 엑시톤(exciton)이 형성되며, 이 엑시톤이 다시 바닥상태로 떨어질 때 빛이 나게 된다. An organic light emitting device generally has a structure including an anode and a cathode and an organic material layer between the anode and the cathode. The organic material layer is often made of a multi-layered structure composed of different materials in order to increase the efficiency and stability of the organic light emitting device, and for example, a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, an electron injection layer, and the like. In the structure of the organic light emitting device, when a voltage is applied between the two electrodes, holes are injected into the organic material layer from the anode and electrons from the cathode are injected into the organic material layer. When the injected holes and electrons meet, excitons are formed, and the excitons When it falls back to the ground state, it lights up.
상기와 같은 유기 발광 소자에 사용되는 유기물에 대하여 새로운 재료의 개발이 지속적으로 요구되고 있다.The development of new materials for organic materials used in organic light emitting devices as described above is continuously required.
본 발명은 신규한 화합물 및 이를 포함하는 유기 발광 소자에 관한 것이다. The present invention relates to a novel compound and an organic light emitting device comprising the same.
본 발명은 하기 화학식 1로 표시되는 화합물을 제공한다:The present invention provides a compound represented by the following formula (1):
[화학식 1][Formula 1]
상기 화학식 1에서,In Formula 1,
Y는 O 또는 S이고,Y is O or S;
X는 각각 독립적으로 N 또는 CH이고, 단 이들 중 1 이상은 N이고,each X is independently N or CH, provided that at least one of them is N,
Ar1은 치환 또는 비치환된 N, O 및 S로 구성되는 군으로부터 선택되는 어느 하나 이상의 헤테로원자를 포함하는 C5-60 헤테로아릴이고,Ar 1 is C 5-60 heteroaryl including any one or more heteroatoms selected from the group consisting of substituted or unsubstituted N, O and S,
Ar2는 치환 또는 비치환된 C6-60 아릴; 또는 치환 또는 비치환된 N, O 및 S로 구성되는 군으로부터 선택되는 어느 하나 이상의 헤테로원자를 포함하는 C5-60 헤테로아릴이고,Ar 2 is substituted or unsubstituted C 6-60 aryl; Or substituted or unsubstituted C 5-60 heteroaryl containing any one or more heteroatoms selected from the group consisting of N, O and S,
n은 0 내지 4의 정수이고,n is an integer from 0 to 4,
R은 수소; 치환 또는 비치환된 C6-60 아릴; 또는 치환 또는 비치환된 N, O 및 S로 구성되는 군으로부터 선택되는 어느 하나 이상의 헤테로원자를 포함하는 C5-60 헤테로아릴이다.R is hydrogen; substituted or unsubstituted C 6-60 aryl; or C 5-60 heteroaryl including any one or more heteroatoms selected from the group consisting of substituted or unsubstituted N, O and S.
또한, 본 발명은 제1 전극; 상기 제1 전극과 대향하여 구비된 제2 전극; 및 상기 제1 전극과 상기 제2 전극 사이에 구비된 1층 이상의 유기물층을 포함하는 유기 발광 소자로서, 상기 유기물층 중 1층 이상은 상기 화학식 1로 표시되는 화합물을 포함하는 유기 발광 소자를 제공한다.In addition, the present invention is a first electrode; a second electrode provided to face the first electrode; and at least one organic material layer provided between the first electrode and the second electrode, wherein at least one of the organic material layers includes the compound represented by Formula 1 above.
상술한 화학식 1로 표시되는 화합물은 유기 발광 소자의 유기물층의 재료로서 사용될 수 있으며, 유기 발광 소자에서 효율의 향상, 낮은 구동전압 및/또는 수명 특성을 향상시킬 수 있다. 특히, 상술한 화학식 1로 표시되는 화합물은 정공주입, 정공수송, 정공주입 및 수송, 발광, 전자수송, 또는 전자주입 재료로 사용될 수 있다.The compound represented by Chemical Formula 1 described above may be used as a material for the organic material layer of the organic light emitting device, and may improve efficiency, low driving voltage, and/or lifespan characteristics in the organic light emitting device. In particular, the compound represented by the above formula (1) may be used as a material for hole injection, hole transport, hole injection and transport, light emission, electron transport, or electron injection.
도 1은 기판(1), 양극(2), 발광층(3), 음극(4)으로 이루어진 유기 발광 소자의 예를 도시한 것이다.
도 2는 기판 (1), 양극(2), 정공주입층(5), 정공수송층(6), 전자차단층(7), 발광층(3), 전자수송층(8) 전자주입층(9) 및 음극(4)로 이루어진 유기 발광 소자의 예를 도시한 것이다.1 shows an example of an organic light emitting device including a
2 is a substrate (1), an anode (2), a hole injection layer (5), a hole transport layer (6), an electron blocking layer (7), a light emitting layer (3), an electron transport layer (8) an electron injection layer (9) and An example of an organic light emitting device including the
이하, 본 발명의 이해를 돕기 위하여 보다 상세히 설명한다.Hereinafter, it will be described in more detail to help the understanding of the present invention.
본 발명은 상기 화학식 1로 표시되는 화합물을 제공한다. The present invention provides a compound represented by the above formula (1).
본 명세서에서, 
본 명세서에서 "치환 또는 비치환된" 이라는 용어는 중수소; 할로겐기; 니트릴기; 니트로기; 히드록시기; 카보닐기; 에스테르기; 이미드기; 아미노기; 포스핀옥사이드기; 알콕시기; 아릴옥시기; 알킬티옥시기; 아릴티옥시기; 알킬술폭시기; 아릴술폭시기; 실릴기; 붕소기; 알킬기; 사이클로알킬기; 알케닐기; 아릴기; 아르알킬기; 아르알케닐기; 알킬아릴기; 알킬아민기; 아랄킬아민기; 헤테로아릴아민기; 아릴아민기; 아릴포스핀기; 또는 N, O 및 S 원자 중 1개 이상을 포함하는 헤테로고리기로 이루어진 군에서 선택된 1개 이상의 치환기로 치환 또는 비치환되거나, 상기 예시된 치환기 중 2 이상의 치환기가 연결된 치환 또는 비치환된 것을 의미한다. 예컨대, "2 이상의 치환기가 연결된 치환기"는 비페닐기일 수 있다. 즉, 비페닐기는 아릴기일 수도 있고, 2개의 페닐기가 연결된 치환기로 해석될 수 있다.As used herein, the term "substituted or unsubstituted" refers to deuterium; halogen group; nitrile group; nitro group; hydroxyl group; carbonyl group; ester group; imid; amino group; phosphine oxide group; alkoxy group; aryloxy group; alkyl thiooxy group; arylthioxy group; an alkyl sulfoxy group; arylsulfoxy group; silyl group; boron group; an alkyl group; cycloalkyl group; alkenyl group; aryl group; aralkyl group; aralkenyl group; an alkylaryl group; an alkylamine group; an aralkylamine group; heteroarylamine group; arylamine group; an arylphosphine group; or N, O, and S atom means that it is substituted or unsubstituted with one or more substituents selected from the group consisting of a heterocyclic group containing one or more atoms, or substituted or unsubstituted with two or more substituents connected among the above-exemplified substituents . For example, "a substituent in which two or more substituents are connected" may be a biphenyl group. That is, the biphenyl group may be an aryl group, and may be interpreted as a substituent in which two phenyl groups are connected.
본 명세서에서 카보닐기의 탄소수는 특별히 한정되지 않으나, 탄소수 1 내지 40인 것이 바람직하다. 구체적으로 하기와 같은 구조의 화합물이 될 수 있으나, 이에 한정되는 것은 아니다.In the present specification, the number of carbon atoms in the carbonyl group is not particularly limited, but preferably 1 to 40 carbon atoms. Specifically, it may be a compound having the following structure, but is not limited thereto.
본 명세서에 있어서, 에스테르기는 에스테르기의 산소가 탄소수 1 내지 25의 직쇄, 분지쇄 또는 고리쇄 알킬기 또는 탄소수 6 내지 25의 아릴기로 치환될 수 있다. 구체적으로, 하기 구조식의 화합물이 될 수 있으나, 이에 한정되는 것은 아니다.In the present specification, in the ester group, the oxygen of the ester group may be substituted with a linear, branched or cyclic alkyl group having 1 to 25 carbon atoms or an aryl group having 6 to 25 carbon atoms. Specifically, it may be a compound of the following structural formula, but is not limited thereto.
본 명세서에 있어서, 이미드기의 탄소수는 특별히 한정되지 않으나, 탄소수 1 내지 25인 것이 바람직하다. 구체적으로 하기와 같은 구조의 화합물이 될 수 있으나, 이에 한정되는 것은 아니다.In the present specification, the number of carbon atoms of the imide group is not particularly limited, but it is preferably from 1 to 25 carbon atoms. Specifically, it may be a compound having the following structure, but is not limited thereto.
본 명세서에 있어서, 실릴기는 구체적으로 트리메틸실릴기, 트리에틸실릴기, t-부틸디메틸실릴기, 비닐디메틸실릴기, 프로필디메틸실릴기, 트리페닐실릴기, 디페닐실릴기, 페닐실릴기 등이 있으나 이에 한정되지 않는다. In the present specification, the silyl group specifically includes a trimethylsilyl group, a triethylsilyl group, a t-butyldimethylsilyl group, a vinyldimethylsilyl group, a propyldimethylsilyl group, a triphenylsilyl group, a diphenylsilyl group, a phenylsilyl group, and the like. However, the present invention is not limited thereto.
본 명세서에 있어서, 붕소기는 구체적으로 트리메틸붕소기, 트리에틸붕소기, t-부틸디메틸붕소기, 트리페닐붕소기, 페닐붕소기 등이 있으나 이에 한정되지 않는다.In the present specification, the boron group specifically includes, but is not limited to, a trimethylboron group, a triethylboron group, a t-butyldimethylboron group, a triphenylboron group, a phenylboron group, and the like.
본 명세서에 있어서, 할로겐기의 예로는 불소, 염소, 브롬 또는 요오드가 있다.In the present specification, examples of the halogen group include fluorine, chlorine, bromine or iodine.
본 명세서에 있어서, 상기 알킬기는 직쇄 또는 분지쇄일 수 있고, 탄소수는 특별히 한정되지 않으나 1 내지 40인 것이 바람직하다. 일 실시상태에 따르면, 상기 알킬기의 탄소수는 1 내지 20이다. 또 하나의 실시상태에 따르면, 상기 알킬기의 탄소수는 1 내지 10이다. 또 하나의 실시상태에 따르면, 상기 알킬기의 탄소수는 1 내지 6이다. 알킬기의 구체적인 예로는 메틸, 에틸, 프로필, n-프로필, 이소프로필, 부틸, n-부틸, 이소부틸, tert-부틸, sec-부틸, 1-메틸-부틸, 1-에틸-부틸, 펜틸, n-펜틸, 이소펜틸, 네오펜틸, tert-펜틸, 헥실, n-헥실, 1-메틸펜틸, 2-메틸펜틸, 4-메틸-2-펜틸, 3,3-디메틸부틸, 2-에틸부틸, 헵틸, n-헵틸, 1-메틸헥실, 사이클로펜틸메틸,사이클로헥틸메틸, 옥틸, n-옥틸, tert-옥틸, 1-메틸헵틸, 2-에틸헥실, 2-프로필펜틸, n-노닐, 2,2-디메틸헵틸, 1-에틸-프로필, 1,1-디메틸-프로필, 이소헥실, 2-메틸펜틸, 4-메틸헥실, 5-메틸헥실 등이 있으나, 이들에 한정되지 않는다.In the present specification, the alkyl group may be linear or branched, and the number of carbon atoms is not particularly limited, but is preferably 1 to 40. According to an exemplary embodiment, the number of carbon atoms in the alkyl group is 1 to 20. According to another exemplary embodiment, the alkyl group has 1 to 10 carbon atoms. According to another exemplary embodiment, the alkyl group has 1 to 6 carbon atoms. Specific examples of the alkyl group include methyl, ethyl, propyl, n-propyl, isopropyl, butyl, n-butyl, isobutyl, tert-butyl, sec-butyl, 1-methyl-butyl, 1-ethyl-butyl, pentyl, n -pentyl, isopentyl, neopentyl, tert-pentyl, hexyl, n-hexyl, 1-methylpentyl, 2-methylpentyl, 4-methyl-2-pentyl, 3,3-dimethylbutyl, 2-ethylbutyl, heptyl , n-heptyl, 1-methylhexyl, cyclopentylmethyl, cyclohexylmethyl, octyl, n-octyl, tert-octyl, 1-methylheptyl, 2-ethylhexyl, 2-propylpentyl, n-nonyl, 2,2 -Dimethylheptyl, 1-ethyl-propyl, 1,1-dimethyl-propyl, isohexyl, 2-methylpentyl, 4-methylhexyl, 5-methylhexyl and the like, but are not limited thereto.
본 명세서에 있어서, 상기 알케닐기는 직쇄 또는 분지쇄일 수 있고, 탄소수는 특별히 한정되지 않으나, 2 내지 40인 것이 바람직하다. 일 실시상태에 따르면, 상기 알케닐기의 탄소수는 2 내지 20이다. 또 하나의 실시상태에 따르면, 상기 알케닐기의 탄소수는 2 내지 10이다. 또 하나의 실시상태에 따르면, 상기 알케닐기의 탄소수는 2 내지 6이다. 구체적인 예로는 비닐, 1-프로페닐, 이소프로페닐, 1-부테닐, 2-부테닐, 3-부테닐, 1-펜테닐, 2-펜테닐, 3-펜테닐, 3-메틸-1-부테닐, 1,3-부타디에닐, 알릴, 1-페닐비닐-1-일, 2-페닐비닐-1-일, 2,2-디페닐비닐-1-일, 2-페닐-2-(나프틸-1-일)비닐-1-일, 2,2-비스(디페닐-1-일)비닐-1-일, 스틸베닐기, 스티레닐기 등이 있으나 이들에 한정되지 않는다.In the present specification, the alkenyl group may be linear or branched, and the number of carbon atoms is not particularly limited, but is preferably 2 to 40. According to an exemplary embodiment, the carbon number of the alkenyl group is 2 to 20. According to another exemplary embodiment, the carbon number of the alkenyl group is 2 to 10. According to another exemplary embodiment, the alkenyl group has 2 to 6 carbon atoms. Specific examples include vinyl, 1-propenyl, isopropenyl, 1-butenyl, 2-butenyl, 3-butenyl, 1-pentenyl, 2-pentenyl, 3-pentenyl, 3-methyl-1- Butenyl, 1,3-butadienyl, allyl, 1-phenylvinyl-1-yl, 2-phenylvinyl-1-yl, 2,2-diphenylvinyl-1-yl, 2-phenyl-2-( Naphthyl-1-yl)vinyl-1-yl, 2,2-bis(diphenyl-1-yl)vinyl-1-yl, stilbenyl group, styrenyl group, and the like, but are not limited thereto.
본 명세서에 있어서, 사이클로알킬기는 특별히 한정되지 않으나, 탄소수 3 내지 60인 것이 바람직하며, 일 실시상태에 따르면, 상기 사이클로알킬기의 탄소수는 3 내지 30이다. 또 하나의 실시상태에 따르면, 상기 사이클로알킬기의 탄소수는 3 내지 20이다. 또 하나의 실시상태에 따르면, 상기 사이클로알킬기의 탄소수는 3 내지 6이다. 구체적으로 사이클로프로필, 사이클로부틸, 사이클로펜틸, 3-메틸사이클로펜틸, 2,3-디메틸사이클로펜틸, 사이클로헥실, 3-메틸사이클로헥실, 4-메틸사이클로헥실, 2,3-디메틸사이클로헥실, 3,4,5-트리메틸사이클로헥실, 4-tert-부틸사이클로헥실, 사이클로헵틸, 사이클로옥틸 등이 있으나, 이에 한정되지 않는다.In the present specification, the cycloalkyl group is not particularly limited, but preferably has 3 to 60 carbon atoms, and according to an exemplary embodiment, the cycloalkyl group has 3 to 30 carbon atoms. According to another exemplary embodiment, the carbon number of the cycloalkyl group is 3 to 20. According to another exemplary embodiment, the cycloalkyl group has 3 to 6 carbon atoms. Specifically, cyclopropyl, cyclobutyl, cyclopentyl, 3-methylcyclopentyl, 2,3-dimethylcyclopentyl, cyclohexyl, 3-methylcyclohexyl, 4-methylcyclohexyl, 2,3-dimethylcyclohexyl, 3, 4,5-trimethylcyclohexyl, 4-tert-butylcyclohexyl, cycloheptyl, cyclooctyl, and the like, but is not limited thereto.
본 명세서에 있어서, 아릴기는 특별히 한정되지 않으나 탄소수 6 내지 60인 것이 바람직하며, 단환식 아릴기 또는 다환식 아릴기일 수 있다. 일 실시상태에 따르면, 상기 아릴기의 탄소수는 6 내지 30이다. 일 실시상태에 따르면, 상기 아릴기의 탄소수는 6 내지 20이다. 상기 아릴기가 단환식 아릴기로는 페닐기, 바이페닐기, 터페닐기 등이 될 수 있으나, 이에 한정되는 것은 아니다. 상기 다환식 아릴기로는 나프틸기, 안트라세닐기, 페난트릴기, 파이레닐기, 페릴레닐기, 크라이세닐기, 플루오레닐기 등이 될 수 있으나, 이에 한정되는 것은 아니다.In the present specification, the aryl group is not particularly limited, but preferably has 6 to 60 carbon atoms, and may be a monocyclic aryl group or a polycyclic aryl group. According to an exemplary embodiment, the carbon number of the aryl group is 6 to 30. According to an exemplary embodiment, the carbon number of the aryl group is 6 to 20. The aryl group may be a monocyclic aryl group such as a phenyl group, a biphenyl group, or a terphenyl group, but is not limited thereto. The polycyclic aryl group may be a naphthyl group, an anthracenyl group, a phenanthryl group, a pyrenyl group, a perylenyl group, a chrysenyl group, a fluorenyl group, and the like, but is not limited thereto.
본 명세서에 있어서, 플루오레닐기는 치환될 수 있고, 치환기 2개가 서로 결합하여 스피로 구조를 형성할 수 있다. 상기 플루오레닐기가 치환되는 경우, 
본 명세서에 있어서, 헤테로고리기는 이종 원소로 O, N, Si 및 S 중 1개 이상을 포함하는 헤테로고리기로서, 탄소수는 특별히 한정되지 않으나, 탄소수 2 내지 60인 것이 바람직하다. 헤테로고리기의 예로는 티오펜기, 퓨란기, 피롤기, 이미다졸기, 티아졸기, 옥사졸기, 옥사디아졸기, 트리아졸기, 피리딜기, 비피리딜기, 피리미딜기, 트리아진기, 트리아졸기, 아크리딜기, 피리다진기, 피라지닐기, 퀴놀리닐기, 퀴나졸린기, 퀴녹살리닐기, 프탈라지닐기, 피리도 피리미디닐기, 피리도 피라지닐기, 피라지노 피라지닐기, 이소퀴놀린기, 인돌기, 카바졸기, 벤조옥사졸기, 벤조이미다졸기, 벤조티아졸기, 벤조카바졸기, 벤조티오펜기, 디벤조티오펜기, 벤조퓨라닐기, 페난쓰롤린기(phenanthroline), 티아졸릴기, 이소옥사졸릴기, 옥사디아졸릴기, 티아디아졸릴기, 벤조티아졸릴기, 페노티아지닐기 및 디벤조퓨라닐기 등이 있으나, 이들에만 한정되는 것은 아니다.In the present specification, the heterocyclic group is a heterocyclic group including at least one of O, N, Si and S as a heterogeneous element, and the number of carbon atoms is not particularly limited, but it is preferably from 2 to 60 carbon atoms. Examples of the heterocyclic group include a thiophene group, a furan group, a pyrrole group, an imidazole group, a thiazole group, an oxazole group, an oxadiazole group, a triazole group, a pyridyl group, a bipyridyl group, a pyrimidyl group, a triazine group, a triazole group, Acridyl group, pyridazine group, pyrazinyl group, quinolinyl group, quinazoline group, quinoxalinyl group, phthalazinyl group, pyrido pyrimidinyl group, pyrido pyrazinyl group, pyrazino pyrazinyl group, isoquinoline group , indole group, carbazole group, benzooxazole group, benzoimidazole group, benzothiazole group, benzocarbazole group, benzothiophene group, dibenzothiophene group, benzofuranyl group, phenanthroline group, thiazolyl group, an isoxazolyl group, an oxadiazolyl group, a thiadiazolyl group, a benzothiazolyl group, a phenothiazinyl group, and a dibenzofuranyl group, but are not limited thereto.
본 명세서에 있어서, 아르알킬기, 아르알케닐기, 알킬아릴기, 아릴아민기 중의 아릴기는 전술한 아릴기의 예시와 같다. 본 명세서에 있어서, 아르알킬기, 알킬아릴기, 알킬아민기 중 알킬기는 전술한 알킬기의 예시와 같다. 본 명세서에 있어서, 헤테로아릴아민 중 헤테로아릴은 전술한 헤테로고리기에 관한 설명이 적용될 수 있다. 본 명세서에 있어서, 아르알케닐기 중 알케닐기는 전술한 알케닐기의 예시와 같다. 본 명세서에 있어서, 아릴렌은 2가기인 것을 제외하고는 전술한 아릴기에 관한 설명이 적용될 수 있다. 본 명세서에 있어서, 헤테로아릴렌은 2가기인 것을 제외하고는 전술한 헤테로고리기에 관한 설명이 적용될 수 있다. 본 명세서에 있어서, 탄화수소 고리는 1가기가 아니고, 2개의 치환기가 결합하여 형성한 것을 제외하고는 전술한 아릴기 또는 사이클로알킬기에 관한 설명이 적용될 수 있다. 본 명세서에 있어서, 헤테로고리는 1가기가 아니고, 2개의 치환기가 결합하여 형성한 것을 제외하고는 전술한 헤테로고리기에 관한 설명이 적용될 수 있다.In the present specification, the aryl group in the aralkyl group, the aralkenyl group, the alkylaryl group, and the arylamine group is the same as the example of the aryl group described above. In the present specification, the alkyl group among the aralkyl group, the alkylaryl group, and the alkylamine group is the same as the example of the above-described alkyl group. In the present specification, as for heteroaryl among heteroarylamines, the description of the above-described heterocyclic group may be applied. In the present specification, the alkenyl group among the aralkenyl groups is the same as the above-described examples of the alkenyl group. In the present specification, the description of the above-described aryl group may be applied except that arylene is a divalent group. In the present specification, the description of the above-described heterocyclic group may be applied, except that heteroarylene is a divalent group. In the present specification, the hydrocarbon ring is not a monovalent group, and the description of the above-described aryl group or cycloalkyl group may be applied, except that it is formed by combining two substituents. In the present specification, the heterocyclic group is not a monovalent group, and the description of the above-described heterocyclic group may be applied, except that it is formed by combining two substituents.
바람직하게는, 상기 화학식 1은 하기 화학식 1-1 내지 1-4로 표시되는 화합물 중에서 선택되는 어느 하나일 수 있다:Preferably,
[화학식 1-1][Formula 1-1]
[화학식 1-2][Formula 1-2]
[화학식 1-3][Formula 1-3]
[화학식 1-4][Formula 1-4]
상기 화학식 1-1 내지 1-4에서, In Formulas 1-1 to 1-4,
X, Y, n, R, Ar1 및 Ar2에 대한 설명은 앞서 정의한 바와 같다. Descriptions of X, Y, n, R, Ar 1 and Ar 2 are as defined above.
바람직하게는, Ar1은 하기로 구성되는 군으로부터 선택되는 어느 하나일 수 있다:Preferably, Ar 1 may be any one selected from the group consisting of:
바람직하게는, Ar2는, 페닐, 비페닐 또는 나프틸일수 있으며, 보다 바람직하게는 페닐일 수 있다.Preferably, Ar 2 may be phenyl, biphenyl or naphthyl, more preferably phenyl.
바람직하게는, n은 0 내지 2일 수 있다.Preferably, n may be 0 to 2.
또한 바람직하게는, R은 치환 또는 비치환된 C6-30 아릴일 수 있으며, 보다 바람직하게는 페닐일 수 있다.Also preferably, R may be a substituted or unsubstituted C 6-30 aryl, more preferably phenyl.
바람직하게는, X는 모두 N일 수 있다.Preferably, all X can be N.
예를 들어, 상기 화합물은, 하기 화합물로 구성되는 군으로부터 선택될 수 있다:For example, the compound may be selected from the group consisting of:
한편, 상기 화학식 1로 표시되는 화합물은 하기 반응식 1과 같은 제조 방법으로 제조할 수 있다. Meanwhile, the compound represented by
[반응식 1][Scheme 1]
상기 반응식 1에서, 치환기에 대한 정의는 앞서 설명한 바와 같고, 상기 제조 방법은 후술할 제조예에서 보다 구체화될 수 있다.In
또한, 본 발명은 상기 화학식 1로 표시되는 화합물을 포함하는 유기 발광 소자를 제공한다. 일례로, 본 발명은 제1 전극; 상기 제1 전극과 대향하여 구비된 제2 전극; 및 상기 제1 전극과 상기 제2 전극 사이에 구비된 1층 이상의 유기물 층을 포함하는 유기 발광 소자로서, 상기 유기물층 중 1층 이상은 상기 화학식 1로 표시되는 화합물을 포함하는, 유기 발광 소자를 제공한다. In addition, the present invention provides an organic light emitting device including the compound represented by the formula (1). In one example, the present invention provides a first electrode; a second electrode provided to face the first electrode; and at least one organic material layer provided between the first electrode and the second electrode, wherein at least one of the organic material layers includes the compound represented by
본 발명의 유기 발광 소자의 유기물 층은 단층 구조로 이루어질 수도 있으나, 2층 이상의 유기물층이 적층된 다층 구조로 이루어질 수 있다. 예컨대, 본 발명의 유기 발광 소자는 유기물 층으로서 정공주입층, 정공수송층, 전자차단층, 발광층, 전자수송층, 전자주입층 등을 포함하는 구조를 가질 수 있다. 그러나 유기 발광 소자의 구조는 이에 한정되지 않고 더 적은 수의 유기층을 포함할 수 있다.The organic material layer of the organic light emitting device of the present invention may have a single-layer structure, but may have a multi-layer structure in which two or more organic material layers are stacked. For example, the organic light emitting device of the present invention may have a structure including a hole injection layer, a hole transport layer, an electron blocking layer, a light emitting layer, an electron transport layer, an electron injection layer, etc. as an organic layer. However, the structure of the organic light emitting device is not limited thereto and may include a smaller number of organic layers.
또한, 상기 유기물 층은 정공주입층, 정공수송층, 또는 정공 주입과 수송을 동시에 하는 층을 포함할 수 있고, 상기 정공주입층, 정공수송층, 또는 정공 주입과 수송을 동시에 하는 층은 상기 화학식 1 로 표시되는 화합물을 포함할 수 있다. In addition, the organic layer may include a hole injection layer, a hole transport layer, or a layer that injects and transports holes at the same time, and the hole injection layer, the hole transport layer, or a layer that simultaneously injects and transports holes is represented by
또한, 상기 유기물 층은 발광층을 포함할 수 있고, 상기 발광층은 상기 화학식 1로 표시되는 화합물을 포함할 수 있다. 이때, 상기 화학식 1로 표시되는 화합물은 발광층에서 호스트 물질로 사용될 수 있다.In addition, the organic layer may include an emission layer, and the emission layer may include a compound represented by
또한, 상기 발광층은 2종 이상의 호스트를 포함할 수 있으며, 상기 발광층이 2종 이상의 호스트를 포함한 경우, 상기 호스트 중 1종 이상은 상기 화학식 1로 표시되는 화합물일 수 있다.In addition, the emission layer may include two or more types of hosts, and when the emission layer includes two or more types of hosts, at least one of the hosts may be a compound represented by
또한, 상기 유기물 층은 전자수송층, 또는 전자주입층을 포함할 수 있고, 상기 전자수송층, 또는 전자주입층은 상기 화학식 1로 표시되는 화합물을 포함할 수 있다. In addition, the organic layer may include an electron transport layer or an electron injection layer, and the electron transport layer or the electron injection layer may include the compound represented by
또한, 상기 전자수송층, 전자주입층, 또는 전자수송 및 전자주입을 동시에 하는 층은 상기 화학식 1로 표시되는 화합물을 포함할 수 있다. In addition, the electron transport layer, the electron injection layer, or the layer that simultaneously transports and injects electrons may include the compound represented by
또한, 상기 유기물 층은 발광층 및 전자수송층을 포함하고, 상기 전자수송층은 상기 화학식 1로 표시되는 화합물을 포함할 수 있다. In addition, the organic layer may include a light emitting layer and an electron transport layer, and the electron transport layer may include a compound represented by
또한, 본 발명에 따른 유기 발광 소자는, 기판 상에 양극, 1층 이상의 유기물 층 및 음극이 순차적으로 적층된 구조(normal type)의 유기 발광 소자일 수 있다. 또한, 본 발명에 따른 유기 발광 소자는 기판 상에 음극, 1층 이상의 유기물 층 및 양극이 순차적으로 적층된 역방향 구조(inverted type)의 유기 발광 소자일 수 있다. 예컨대, 본 발명의 일실시예에 따른 유기 발광 소자의 구조는 도 1 및 2에 예시되어 있다.Also, the organic light emitting device according to the present invention may be a normal type organic light emitting device in which an anode, one or more organic material layers, and a cathode are sequentially stacked on a substrate. Also, the organic light emitting device according to the present invention may be an inverted type organic light emitting device in which a cathode, one or more organic material layers, and an anode are sequentially stacked on a substrate. For example, the structure of the organic light emitting device according to an embodiment of the present invention is illustrated in FIGS. 1 and 2 .
도 1은 기판(1), 양극(2), 발광층(3), 음극(4)으로 이루어진 유기 발광 소자의 예를 도시한 것이다. 이와 같은 구조에 있어서, 상기 화학식 1로 표시되는 화합물은 상기 발광층에 포함될 수 있다. 1 shows an example of an organic light emitting device including a
도 2는 기판 (1), 양극(2), 정공주입층(5), 정공수송층(6), 전자차단층(7), 발광층(3), 전자수송층(8) 전자주입층(9) 및 음극(4)로 이루어진 유기 발광 소자의 예를 도시한 것이다. 이와 같은 구조에 있어서, 상기 화학식 1로 표시되는 화합물은 상기 정공주입층, 정공수송층, 전자차단층, 발광층, 전자수송층 및 전자주입층 중 1층 이상에 포함될 수 있으며, 바람직하게는 발광층에 포함될 수 있다. 2 is a substrate (1), an anode (2), a hole injection layer (5), a hole transport layer (6), an electron blocking layer (7), a light emitting layer (3), an electron transport layer (8) an electron injection layer (9) and An example of an organic light emitting device including the
본 발명에 따른 유기 발광 소자는, 상기 유기물 층 중 1층 이상이 상기 화학식 1로 표시되는 화합물을 포함하는 것을 제외하고는 당 기술분야에 알려져 있는 재료와 방법으로 제조될 수 있다. 또한, 상기 유기 발광 소자가 복수개의 유기물층을 포함하는 경우, 상기 유기물층은 동일한 물질 또는 다른 물질로 형성될 수 있다. The organic light emitting device according to the present invention may be manufactured using materials and methods known in the art, except that at least one layer of the organic material layer includes the compound represented by
예컨대, 본 발명에 따른 유기 발광 소자는 기판 상에 제1 전극, 유기물층 및 제2 전극을 순차적으로 적층시켜 제조할 수 있다. 이때, 스퍼터링법(sputtering)이나 전자빔 증발법(e-beam evaporation)과 같은 PVD(physical Vapor Deposition)방법을 이용하여, 기판 상에 금속 또는 전도성을 가지는 금속 산화물 또는 이들의 합금을 증착시켜 양극을 형성하고, 그 위에 정공 주입층, 정공 수송층, 발광층 및 전자 수송층을 포함하는 유기물 층을 형성한 후, 그 위에 음극으로 사용할 수 있는 물질을 증착시켜 제조할 수 있다. 이와 같은 방법 외에도, 기판 상에 음극 물질부터 유기물층, 양극 물질을 차례로 증착시켜 유기 발광 소자를 만들 수 있다. For example, the organic light emitting device according to the present invention may be manufactured by sequentially stacking a first electrode, an organic material layer, and a second electrode on a substrate. At this time, by using a PVD (physical vapor deposition) method such as sputtering or e-beam evaporation, a metal or conductive metal oxide or an alloy thereof is deposited on a substrate to form an anode. and forming an organic material layer including a hole injection layer, a hole transport layer, a light emitting layer and an electron transport layer thereon, and then depositing a material that can be used as a cathode thereon. In addition to this method, an organic light emitting device may be manufactured by sequentially depositing a cathode material, an organic material layer, and an anode material on a substrate.
또한, 상기 화학식 1로 표시되는 화합물은 유기 발광 소자의 제조시 진공 증착법 뿐만 아니라 용액 도포법에 의하여 유기물 층으로 형성될 수 있다. 여기서, 용액 도포법이라 함은 스핀 코팅, 딥코팅, 닥터 블레이딩, 잉크젯 프린팅, 스크린 프린팅, 스프레이법, 롤 코팅 등을 의미하지만, 이들만으로 한정되는 것은 아니다.In addition, the compound represented by
이와 같은 방법 외에도, 기판 상에 음극 물질로부터 유기물층, 양극 물질을 차례로 증착시켜 유기 발광 소자를 제조할 수 있다(WO 2003/012890). 다만, 제조 방법이 이에 한정되는 것은 아니다. In addition to this method, an organic light emitting device may be manufactured by sequentially depositing an organic material layer and an anode material from a cathode material on a substrate (WO 2003/012890). However, the manufacturing method is not limited thereto.
일례로, 상기 제1 전극은 양극이고, 상기 제2 전극은 음극이거나, 또는 상기 제1 전극은 음극이고, 상기 제2 전극은 양극이다.In one example, the first electrode is an anode, the second electrode is a cathode, or the first electrode is a cathode and the second electrode is an anode.
상기 양극 물질로는 통상 유기물 층으로 정공 주입이 원활할 수 있도록 일함수가 큰 물질이 바람직하다. 상기 양극 물질의 구체적인 예로는 바나듐, 크롬, 구리, 아연, 금과 같은 금속 또는 이들의 합금; 아연 산화물, 인듐 산화물, 인듐주석 산화물(ITO), 인듐아연 산화물(IZO)과 같은 금속 산화물; ZnO:Al 또는 SNO2:Sb와 같은 금속과 산화물의 조합; 폴리(3-메틸티오펜), 폴리[3,4-(에틸렌-1,2-디옥시)티오펜](PEDOT), 폴리피롤 및 폴리아닐린과 같은 전도성 고분자 등이 있으나, 이들에만 한정되는 것은 아니다. As the anode material, a material having a large work function is generally preferred so that holes can be smoothly injected into the organic material layer. Specific examples of the anode material include metals such as vanadium, chromium, copper, zinc, gold, or alloys thereof; metal oxides such as zinc oxide, indium oxide, indium tin oxide (ITO), and indium zinc oxide (IZO); combinations of metals and oxides such as ZnO:Al or SNO 2 :Sb; conductive polymers such as poly(3-methylthiophene), poly[3,4-(ethylene-1,2-dioxy)thiophene](PEDOT), polypyrrole, and polyaniline, but are not limited thereto.
상기 음극 물질로는 통상 유기물층으로 전자 주입이 용이하도록 일함수가 작은 물질인 것이 바람직하다. 상기 음극 물질의 구체적인 예로는 마그네슘, 칼슘, 나트륨, 칼륨, 티타늄, 인듐, 이트륨, 리튬, 가돌리늄, 알루미늄, 은, 주석 및 납과 같은 금속 또는 이들의 합금; LiF/Al 또는 LiO2/Al과 같은 다층 구조 물질 등이 있으나, 이들에만 한정되는 것은 아니다. The cathode material is preferably a material having a small work function to facilitate electron injection into the organic material layer. Specific examples of the anode material include metals such as magnesium, calcium, sodium, potassium, titanium, indium, yttrium, lithium, gadolinium, aluminum, silver, tin and lead, or alloys thereof; and a multilayer structure material such as LiF/Al or LiO 2 /Al, but is not limited thereto.
상기 정공주입층은 전극으로부터 정공을 주입하는 층으로, 정공 주입 물질로는 정공을 수송하는 능력을 가져 양극에서의 정공 주입효과, 발광층 또는 발광재료에 대하여 우수한 정공 주입 효과를 갖고, 발광층에서 생성된 여기자의 전자주입층 또는 전자주입재료에의 이동을 방지하며, 또한, 박막 형성 능력이 우수한 화합물이 바람직하다. 정공 주입 물질의 HOMO(highest occupied molecular orbital)가 양극 물질의 일함수와 주변 유기물 층의 HOMO 사이인 것이 바람직하다. 정공 주입 물질의 구체적인 예로는 금속 포피린(porphyrin), 올리고티오펜, 아릴아민 계열의 유기물, 헥사니트릴헥사아자트리페닐렌 계열의 유기물, 퀴나크리돈(quinacridone)계열의 유기물, 페릴렌(perylene) 계열의 유기물, 안트라퀴논 및 폴리아닐린과 폴리티오펜 계열의 전도성 고분자 등이 있으나, 이들에만 한정 되는 것은 아니다. The hole injection layer is a layer for injecting holes from the electrode, and as a hole injection material, it has the ability to transport holes, so it has a hole injection effect at the anode, an excellent hole injection effect with respect to the light emitting layer or the light emitting material, and is produced in the light emitting layer A compound which prevents the movement of excitons to the electron injection layer or the electron injection material and is excellent in the ability to form a thin film is preferable. Preferably, the highest occupied molecular orbital (HOMO) of the hole injection material is between the work function of the positive electrode material and the HOMO of the surrounding organic material layer. Specific examples of the hole injection material include metal porphyrin, oligothiophene, arylamine-based organic material, hexanitrile hexaazatriphenylene-based organic material, quinacridone-based organic material, and perylene-based organic material. of organic substances, anthraquinones, polyaniline and polythiophene-based conductive polymers, and the like, but are not limited thereto.
상기 정공수송층은 정공주입층으로부터 정공을 수취하여 발광층까지 정공을 수송하는 층으로, 정공 수송 물질로 양극이나 정공 주입층으로부터 정공을 수송받아 발광층으로 옮겨줄 수 있는 물질로 정공에 대한 이동성이 큰 물질이 적합하다. 구체적인 예로는 아릴아민 계열의 유기물, 전도성 고분자, 및 공액 부분과 비공액 부분이 함께 있는 블록 공중합체 등이 있으나, 이들에만 한정되는 것은 아니다. The hole transport layer is a layer that receives holes from the hole injection layer and transports them to the light emitting layer. A material capable of transporting holes from the anode or hole injection layer to the light emitting layer as a hole transport material. This is suitable. Specific examples include, but are not limited to, an arylamine-based organic material, a conductive polymer, and a block copolymer having a conjugated portion and a non-conjugated portion together.
상기 전자차단층은 상기 정공수송층 상에 형성되어, 바람직하게는 발광층에 접하여 구비되어, 정공 이동도를 조절하고, 전자의 과다한 이동을 방지하여 정공-전자간 결합 확률을 높여줌으로써 유기 발광 소자의 효율을 개선하는 역할을 한다. 상기 전자차단층은 전자 차단 물질을 포함하고, 이러한 전자 차단 물질로는 발광층에서 전자가 흘러나오지 않을 수 있는 안정된 구조를 갖는 물질이 적합하다. 구체적인 예로는 아릴아민 계열의 유기물 등을 사용할 수 있으나, 이에 한정되는 것은 아니다.The electron blocking layer is formed on the hole transport layer, preferably provided in contact with the light emitting layer, to control hole mobility and prevent excessive movement of electrons to increase the hole-electron coupling probability, thereby increasing the efficiency of the organic light emitting device plays a role in improving The electron blocking layer includes an electron blocking material, and as the electron blocking material, a material having a stable structure that prevents electrons from flowing out of the light emitting layer is suitable. As a specific example, an arylamine-based organic material may be used, but is not limited thereto.
상기 발광 물질로는 정공 수송층과 전자 수송층으로부터 정공과 전자를 각각 수송받아 결합시킴으로써 가시광선 영역의 빛을 낼 수 있는 물질로서, 형광이나 인광에 대한 양자 효율이 좋은 물질이 바람직하다. 구체적인 예로 8-히드록시-퀴놀린 알루미늄 착물(Alq3); 카르바졸 계열 화합물; 이량체화 스티릴(dimerized styryl) 화합물; BAlq; 10-히드록시벤조 퀴놀린-금속 화합물; 벤족사졸, 벤즈티아졸 및 벤즈이미다졸 계열의 화합물; 폴리(p-페닐렌비닐렌)(PPV) 계열의 고분자; 스피로(spiro) 화합물; 폴리플루오렌, 루브렌 등이 있으나, 이들에만 한정되는 것은 아니다. The light emitting material is a material capable of emitting light in the visible ray region by receiving and combining holes and electrons from the hole transport layer and the electron transport layer, respectively, and a material having good quantum efficiency for fluorescence or phosphorescence is preferable. Specific examples include 8-hydroxy-quinoline aluminum complex (Alq 3 ); carbazole-based compounds; dimerized styryl compounds; BAlq; 10-hydroxybenzo quinoline-metal compounds; compounds of the benzoxazole, benzthiazole and benzimidazole series; Poly(p-phenylenevinylene) (PPV)-based polymers; spiro compounds; polyfluorene, rubrene, and the like, but is not limited thereto.
상기 발광층은 호스트 재료 및 도펀트 재료를 포함할 수 있다. 호스트 재료는 축합 방향족환 유도체 또는 헤테로환 함유 화합물 등이 있다. 구체적으로 축합 방향족환 유도체로는 안트라센 유도체, 피렌 유도체, 나프탈렌 유도체, 펜타센 유도체, 페난트렌 화합물, 플루오란텐 화합물 등이 있고, 헤테로환 함유 화합물로는 카바졸 유도체, 디벤조퓨란 유도체, 래더형 퓨란 화합물, 피리미딘 유도체 등이 있으나, 이에 한정되지 않는다. The emission layer may include a host material and a dopant material. The host material includes a condensed aromatic ring derivative or a compound containing a hetero ring. Specifically, condensed aromatic ring derivatives include anthracene derivatives, pyrene derivatives, naphthalene derivatives, pentacene derivatives, phenanthrene compounds, fluoranthene compounds, and the like, and heterocyclic-containing compounds include carbazole derivatives, dibenzofuran derivatives, ladder type Furan compounds, pyrimidine derivatives, and the like, but are not limited thereto.
도펀트 재료로는 방향족 아민 유도체, 스트릴아민 화합물, 붕소 착체, 플루오란텐 화합물, 금속 착체 등이 있다. 구체적으로 방향족 아민 유도체로는 치환 또는 비치환된 아릴아미노기를 갖는 축합 방향족환 유도체로서, 아릴아미노기를 갖는 피렌, 안트라센, 크리센, 페리플란텐 등이 있으며, 스티릴아민 화합물로는 치환 또는 비치환된 아릴아민에 적어도 1개의 아릴비닐기가 치환되어 있는 화합물로, 아릴기, 실릴기, 알킬기, 사이클로알킬기 및 아릴아미노기로 이루어진 군에서 1 또는 2 이상 선택되는 치환기가 치환 또는 비치환된다. 구체적으로 스티릴아민, 스티릴디아민, 스티릴트리아민, 스티릴테트라아민 등이 있으나, 이에 한정되지 않는다. 또한, 금속 착체로는 이리듐 착체, 백금 착체 등이 있으나, 이에 한정되지 않는다.Examples of the dopant material include an aromatic amine derivative, a strylamine compound, a boron complex, a fluoranthene compound, and a metal complex. Specifically, the aromatic amine derivative is a condensed aromatic ring derivative having a substituted or unsubstituted arylamino group, and includes pyrene, anthracene, chrysene, and periflanthene having an arylamino group, and the styrylamine compound is a substituted or unsubstituted derivative. It is a compound in which at least one arylvinyl group is substituted in the arylamine, and one or two or more substituents selected from the group consisting of an aryl group, a silyl group, an alkyl group, a cycloalkyl group and an arylamino group are substituted or unsubstituted. Specifically, there are styrylamine, styryldiamine, styryltriamine, styryltetraamine, and the like, but is not limited thereto. In addition, the metal complex includes, but is not limited to, an iridium complex, a platinum complex, and the like.
상기 전자수송층은 전자주입층으로부터 전자를 수취하여 발광층까지 전자를 수송하는 층으로 전자 수송 물질로는 음극으로부터 전자를 잘 주입 받아 발광층으로 옮겨줄 수 있는 물질로서, 전자에 대한 이동성이 큰 물질이 적합하다. 구체적인 예로는 8-히드록시퀴놀린의 Al 착물; Alq3를 포함한 착물; 유기 라디칼 화합물; 히드록시플라본-금속 착물 등이 있으나, 이들에만 한정되는 것은 아니다. 전자 수송층은 종래기술에 따라 사용된 바와 같이 임의의 원하는 캐소드 물질과 함께 사용할 수 있다. 특히, 적절한 캐소드 물질의 예는 낮은 일함수를 가지고 알루미늄층 또는 실버층이 뒤따르는 통상적인 물질이다. 구체적으로 세슘, 바륨, 칼슘, 이테르븀 및 사마륨이고, 각 경우 알루미늄 층 또는 실버층이 뒤따른다.The electron transport layer is a layer that receives electrons from the electron injection layer and transports electrons to the light emitting layer. do. Specific examples include Al complex of 8-hydroxyquinoline; complexes containing Alq 3 ; organic radical compounds; hydroxyflavone-metal complexes, and the like, but are not limited thereto. The electron transport layer may be used with any desired cathode material as used in accordance with the prior art. In particular, examples of suitable cathode materials are conventional materials having a low work function and followed by a layer of aluminum or silver. Specifically cesium, barium, calcium, ytterbium and samarium, followed in each case by an aluminum layer or a silver layer.
상기 전자주입층은 전극으로부터 전자를 주입하는 층으로, 전자를 수송하는 능력을 갖고, 음극으로부터의 전자 주입 효과, 발광층 또는 발광 재료에 대하여 우수한 전자주입 효과를 가지며, 발광층에서 생성된 여기자의 정공주입층에의 이동을 방지하고, 또한, 박막형성능력이 우수한 화합물이 바람직하다. 구체적으로는 플루오레논, 안트라퀴노다이메탄, 다이페노퀴논, 티오피란 다이옥사이드, 옥사졸, 옥사다이아졸, 트리아졸, 이미다졸, 페릴렌테트라카복실산, 프레오레닐리덴 메탄, 안트론 등과 그들의 유도체, 금속 착체 화합물 및 질소 함유 5원환 유도체 등이 있으나, 이에 한정되지 않는다. The electron injection layer is a layer that injects electrons from the electrode, has the ability to transport electrons, has an electron injection effect from the cathode, an excellent electron injection effect on the light emitting layer or the light emitting material, and hole injection of excitons generated in the light emitting layer. A compound which prevents movement to a layer and is excellent in the ability to form a thin film is preferable. Specifically, fluorenone, anthraquinodimethane, diphenoquinone, thiopyran dioxide, oxazole, oxadiazole, triazole, imidazole, perylenetetracarboxylic acid, preorenylidene methane, anthrone, etc., derivatives thereof, metals complex compounds and nitrogen-containing 5-membered ring derivatives, but are not limited thereto.
상기 금속 착체 화합물로서는 8-하이드록시퀴놀리나토 리튬, 비스(8-하이드록시퀴놀리나토)아연, 비스(8-하이드록시퀴놀리나토)구리, 비스(8-하이드록시퀴놀리나토)망간, 트리스(8-하이드록시퀴놀리나토)알루미늄, 트리스(2-메틸-8-하이드록시퀴놀리나토)알루미늄, 트리스(8-하이드록시퀴놀리나토)갈륨, 비스(10-하이드록시벤조[h]퀴놀리나토)베릴륨, 비스(10-하이드록시벤조[h]퀴놀리나토)아연, 비스(2-메틸-8-퀴놀리나토)클로로갈륨, 비스(2-메틸-8-퀴놀리나토)(o-크레졸라토)갈륨, 비스(2-메틸-8-퀴놀리나토)(1-나프톨라토)알루미늄, 비스(2-메틸-8-퀴놀리나토)(2-나프톨라토)갈륨 등이 있으나, 이에 한정되지 않는다.Examples of the metal complex compound include 8-hydroxyquinolinato lithium, bis(8-hydroxyquinolinato)zinc, bis(8-hydroxyquinolinato)copper, bis(8-hydroxyquinolinato)manganese, Tris(8-hydroxyquinolinato)aluminum, tris(2-methyl-8-hydroxyquinolinato)aluminum, tris(8-hydroxyquinolinato)gallium, bis(10-hydroxybenzo[h] Quinolinato) beryllium, bis (10-hydroxybenzo [h] quinolinato) zinc, bis (2-methyl-8-quinolinato) chlorogallium, bis (2-methyl-8-quinolinato) ( o-crezolato)gallium, bis(2-methyl-8-quinolinato)(1-naphtolato)aluminum, bis(2-methyl-8-quinolinato)(2-naphtolato)gallium, etc. However, the present invention is not limited thereto.
본 발명에 따른 유기 발광 소자는 사용되는 재료에 따라 전면 발광형, 후면 발광형 또는 양면 발광형일 수 있다.The organic light emitting device according to the present invention may be a top emission type, a back emission type, or a double side emission type depending on the material used.
또한, 상기 화학식 1로 표시되는 화합물은 유기 발광 소자 외에도 유기 태양 전지 또는 유기 트랜지스터에 포함될 수 있다.In addition, the compound represented by
상기 화학식 1로 표시되는 화합물 및 이를 포함하는 유기 발광 소자의 제조는 이하 실시예에서 구체적으로 설명한다. 그러나 하기 실시예는 본 발명을 예시하기 위한 것이며, 본 발명의 범위가 이들에 의하여 한정되는 것은 아니다.The compound represented by
합성예 1: 중간체 화합물 R-4의 제조 Synthesis Example 1: Preparation of intermediate compound R-4
브로모-4-플루오로-3-요오드벤젠(1-bromo-4-fluoro-3-iodobenzene)(50 g, 166.6 mmol), (5-chloro-2-methoxyphenyl)boronic (31.1 g, 166.6 mmol)를 테트라하이드로퓨란(THF)800 ml에 녹였다. 여기에 탄산나트륨(Na2CO3) 2 M 용액(250 mL), 테트라키스(트리페닐포스핀)팔라듐(0) [Pd(PPh3)4](3.8 g, 3 mol%)을 넣고 12 시간 환류시켰다. 반응이 끝난 후 상온으로 냉각시키고, 생성된 혼합물을 물과 톨루엔으로 3회 추출하였다. 톨루엔층을 분리한 뒤 황산마그네슘(magnesium sulfate)으로 건조하여 여과한 여액을 감압증류하여 얻은 혼합물을 클로로폼, 에탄올을 이용해 3회 재결정 하여 화합물 R-1(27.5 g, 수율 51 %;MS:[M+H]+=314)을 얻었다.Bromo-4-fluoro-3-iodobenzene (1-bromo-4-fluoro-3-iodobenzene) (50 g, 166.6 mmol), (5-chloro-2-methoxyphenyl) boronic (31.1 g, 166.6 mmol) was dissolved in 800 ml of tetrahydrofuran (THF). Sodium carbonate (Na 2 CO 3 ) 2 M solution (250 mL), tetrakis (triphenylphosphine) palladium (0) [Pd(PPh 3 ) 4 ] (3.8 g, 3 mol%) was added thereto, and refluxed for 12 hours. did it After the reaction was completed, the mixture was cooled to room temperature, and the resulting mixture was extracted three times with water and toluene. The toluene layer was separated, dried over magnesium sulfate, and the filtered filtrate was distilled under reduced pressure. The resulting mixture was recrystallized three times using chloroform and ethanol to obtain compound R-1 (27.5 g, yield 51%; MS:[ M+H] + =314).
화합물 R-1(25.0 g, 150 mmol)을 디클로로메탄(Dichlorometahne)(300 ml)에 녹인 뒤 0 ℃ 로 냉각시킨다. 보론트리브로마이드(boron tribromide)(7.9 ml, 83.2 mmol)를 천천히 적가한 뒤 12시간동안 교반하였다. 반응이 종료된 후 물로 3회 세척하고, 황산마그네슘(magnesium sulfate)으로 건조하여 여과한 여액을 감압증류하고 컬럼크로마토크래피로 정제하여 화합물 R-2(23.7 g, 수율 99 %;MS:[M+H]+=300)을 얻었다.Compound R-1 (25.0 g, 150 mmol) was dissolved in dichloromethane (300 ml) and then cooled to 0 °C. Boron tribromide (7.9 ml, 83.2 mmol) was slowly added dropwise, followed by stirring for 12 hours. After the reaction was completed, the reaction was washed three times with water, dried over magnesium sulfate, and the filtered filtrate was distilled under reduced pressure and purified by column chromatography to obtain compound R-2 (23.7 g, yield 99%; MS: [M). +H] + =300).
화합물 R-2(20.0 g, 66.4 mmol)을 증류된 다이메틸포름아마이드(DMF)(200ml)에 녹인다. 이를 0 ℃ 로 냉각시키고, 여기에 나트륨 하이드리드(sodium hydride)(1.8 g, 72.9 mmol) 를 천천히 적가하였다. 20분동안 교반한 뒤 100℃에서 1시간동안 교반하였다. 반응이 종료된 후 상온으로 냉각하고, 에탄올(Ethanol) 100 ml을 천천히 넣었다. 위 혼합물을 감압증류 하여 얻은 혼합물을 클로로포름, 에틸아세테이트로 재결정하여 화합물 R-3(15.2 g, 수율 81 %;MS:[M+H]+=280)을 얻었다.Compound R-2 (20.0 g, 66.4 mmol) was dissolved in distilled dimethylformamide (DMF) (200 ml). It was cooled to 0 °C, and sodium hydride (1.8 g, 72.9 mmol) was slowly added dropwise thereto. After stirring for 20 minutes, the mixture was stirred at 100° C. for 1 hour. After the reaction was completed, it was cooled to room temperature, and 100 ml of ethanol was slowly added thereto. The mixture obtained by distillation under reduced pressure was recrystallized from chloroform and ethyl acetate to obtain compound R-3 (15.2 g, yield 81%; MS:[M+H] + =280).
화합물 R-3(15.0 g, 53.3 mmol)을 테트라하이드로퓨란(150 ml)에 녹인 후, -78 ℃로 온도를 낮추고 1.7 M 터셔리-부틸리튬(t-BuLi)(31.8 ml, 53.3 mmol)을 천천히 가하였다. 동일 온도에서 한 시간 동안 교반한 후 트리아이소프로필보레이트(B(OiPr)3)(14.2 ml, 107.0 mmol)을 가하고, 상온으로 온도를 서서히 올리면서 3시간동안 교반하였다. 반응 혼합물에 2 N 염산수용액(100 ml)을 가하고 1.5 시간 동안 상온에서 교반하였다. 생성된 침전물을 거르고 물과 에틸에테르(ethyl ether)로 차례로 씻은 후 진공 건조하였다. 건조후 에틸에테르에 분산시켜 두 시간 동안 교반한 후 여과하고 건조하여 화합물 R-4(12.2 g, 수율 93 %; MS:[M+H]+=247)을 제조하였다.Compound R-3 (15.0 g, 53.3 mmol) was dissolved in tetrahydrofuran (150 ml), the temperature was lowered to -78 ° C, and 1.7 M tert-butyllithium (t-BuLi) (31.8 ml, 53.3 mmol) was added. was added slowly. After stirring at the same temperature for 1 hour, triisopropyl borate (B(OiPr) 3 ) (14.2 ml, 107.0 mmol) was added, and the mixture was stirred for 3 hours while slowly raising the temperature to room temperature. 2 N aqueous hydrochloric acid solution (100 ml) was added to the reaction mixture and stirred at room temperature for 1.5 hours. The resulting precipitate was filtered, washed sequentially with water and ethyl ether, and then vacuum dried. After drying, it was dispersed in ethyl ether, stirred for two hours, filtered and dried to prepare compound R-4 (12.2 g, yield 93%; MS: [M+H] + =247).
합성예 2: 중간체 화합물 sub 1-2의 제조Synthesis Example 2: Preparation of intermediate compound sub 1-2
질소 분위기에서 R-4(20 g, 81.3 mmol)와 4-bromodibenzo[b,d]furan(20 g, 81.3mmol)를 테트라하이드로퓨란 400ml에 넣고 교반 및 환류하였다. 이 후 포타슘카보네이트(33.7 g, 243.9mmol)를 물34 ml에 녹여 투입하고 충분히 교반한 후 테트라키스트리페닐-포스피노팔라듐(2.8 g, 2.4mmol)을 투입하였다. 3시간 반응 후 상온으로 식인 후 유기층과 물층을 분리 후 유기층을 증류하였다. 이를 다시클로로포름 598 mL에 투입하여 녹이고, 물로 2회 세척 후에 유기층을 분리하여, 무수황산마그네슘을 넣고 교반한 후 여과하여 여액을 감압 증류하였다. 농축한 화합물을 클로로포름과 에틸아세테이트재결정을 통해 흰색의 고체 화합물 Sub 1-1(19.4g, 65%, MS: [M+H]+ = 369.1)을 제조하였다.In a nitrogen atmosphere, R-4 (20 g, 81.3 mmol) and 4-bromodibenzo[b,d]furan (20 g, 81.3 mmol) were placed in 400 ml of tetrahydrofuran, stirred and refluxed. After that, potassium carbonate (33.7 g, 243.9 mmol) was dissolved in 34 ml of water and thoroughly stirred, and then tetrakistriphenyl-phosphinopalladium (2.8 g, 2.4 mmol) was added. After the reaction for 3 hours, after cooling to room temperature, the organic layer and the water layer were separated, and the organic layer was distilled. This was added to 598 mL of chloroform to dissolve, washed twice with water, the organic layer was separated, anhydrous magnesium sulfate was added, stirred, filtered, and the filtrate was distilled under reduced pressure. The concentrated compound was recrystallized from chloroform and ethyl acetate to prepare a white solid compound Sub 1-1 (19.4 g, 65%, MS: [M+H] + = 369.1).
질소 분위기에서 Sub 1-1(15 g, 40.8 mmol)와 비스(피나콜라토)디보론(20.7 g, 81.5mmol)를 Diox 300ml에 넣고 교반 및 환류하였다. 이 후 포타슘아세테이트(11.8 g, 122.3mmol)를 투입하고 충분히 교반한 후 팔라듐디벤질리덴아세톤팔라듐(0.7 g, 1.2mmol) 및 트리시클로헥실포스핀 (0.7 g, 2.4mmol) 을 투입하였다. 5시간 반응 후 상온으로 식인 후 유기층을 필터처리하여 염을 제거 한 후 걸러진 유기층을 증류하였다. 이를 다시 클로로포름 188 mL에 투입하여 녹이고, 물로 2회 세척 후에 유기층을 분리하여, 무수황산마그네슘을 넣고 교반한 후 여과하여 여액을 감압 증류하였다. 농축한 화합물을 클로로포름과 에탄올재결정을 통해 흰색의 고체 화합물 Sub 1-2(12.2g, 65%, MS: [M+H]+ = 461.2)을 제조하였다.In a nitrogen atmosphere, Sub 1-1 (15 g, 40.8 mmol) and bis (pinacolato) diboron (20.7 g, 81.5 mmol) were added to 300 ml of Diox, and stirred and refluxed. After that, potassium acetate (11.8 g, 122.3 mmol) was added and sufficiently stirred, palladium dibenzylideneacetone palladium (0.7 g, 1.2 mmol) and tricyclohexylphosphine (0.7 g, 2.4 mmol) were added. After reaction for 5 hours, after cooling to room temperature, the organic layer was filtered to remove salt, and the filtered organic layer was distilled. This was again added to 188 mL of chloroform to dissolve, washed twice with water, the organic layer was separated, anhydrous magnesium sulfate was added, stirred, filtered, and the filtrate was distilled under reduced pressure. The concentrated compound was recrystallized from chloroform and ethanol to prepare a white solid compound Sub 1-2 (12.2 g, 65%, MS: [M+H] + = 461.2).
합성예 3: 중간체 화합물 sub 2-2의 제조Synthesis Example 3: Preparation of intermediate compound sub 2-2
질소 분위기에서 R-4(20 g, 81.3 mmol)와 3-bromodibenzo[b,d]furan(20 g, 81.3mmol)를 테트라하이드로퓨란 400ml에 넣고 교반 및 환류하였다. 이 후 포타슘카보네이트(33.7 g, 243.9mmol)를 물34 ml에 녹여 투입하고 충분히 교반한 후 테트라키스트리페닐-포스피노팔라듐(2.8 g, 2.4mmol)을 투입하였다. 3시간 반응 후 상온으로 식인 후 유기층과 물층을 분리 후 유기층을 증류하였다. 이를 다시클로로포름 598 mL에 투입하여 녹이고, 물로 2회 세척 후에 유기층을 분리하여, 무수황산마그네슘을 넣고 교반한 후 여과하여 여액을 감압 증류하였다. 농축한 화합물을 클로로포름과 에틸아세테이트재결정을 통해 흰색의 고체 화합물 Sub 2-1(18g, 60%, MS: [M+H]+ = 369.1)을 제조하였다.In a nitrogen atmosphere, R-4 (20 g, 81.3 mmol) and 3-bromodibenzo[b,d]furan (20 g, 81.3 mmol) were added to 400 ml of tetrahydrofuran, stirred and refluxed. After that, potassium carbonate (33.7 g, 243.9 mmol) was dissolved in 34 ml of water and thoroughly stirred, and then tetrakistriphenyl-phosphinopalladium (2.8 g, 2.4 mmol) was added. After the reaction for 3 hours, after cooling to room temperature, the organic layer and the water layer were separated, and the organic layer was distilled. This was added to 598 mL of chloroform to dissolve, washed twice with water, the organic layer was separated, anhydrous magnesium sulfate was added, stirred, filtered, and the filtrate was distilled under reduced pressure. The concentrated compound was recrystallized from chloroform and ethyl acetate to prepare a white solid compound Sub 2-1 (18 g, 60%, MS: [M+H] + = 369.1).
질소 분위기에서 Sub 2-1(15 g, 28.2 mmol)와 비스(피나콜라토)디보론(14.4 g, 56.5mmol)를 Diox 300ml에 넣고 교반 및 환류하였다. 이 후 포타슘아세테이트(8.1 g, 84.7mmol)를 투입하고 충분히 교반한 후 팔라듐디벤질리덴아세톤팔라듐(0.5 g, 0.8mmol) 및 트리시클로헥실포스핀 (0.5 g, 1.7mmol) 을 투입하였다. 5시간 반응 후 상온으로 식인 후 유기층을 필터처리하여 염을 제거 한 후 걸러진 유기층을 증류하였다. 이를 다시 클로로포름 130 mL에 투입하여 녹이고, 물로 2회 세척 후에 유기층을 분리하여, 무수황산마그네슘을 넣고 교반한 후 여과하여 여액을 감압 증류하였다. 농축한 화합물을 클로로포름과 에탄올재결정을 통해 흰색의 고체 화합물 Sub 2-2(7.5g, 58%, MS: [M+H]+ = 461.2)을 제조하였다.In a nitrogen atmosphere, Sub 2-1 (15 g, 28.2 mmol) and bis (pinacolato) diboron (14.4 g, 56.5 mmol) were added to 300 ml of Diox, and stirred and refluxed. After that, potassium acetate (8.1 g, 84.7 mmol) was added and sufficiently stirred, palladium dibenzylideneacetone palladium (0.5 g, 0.8 mmol) and tricyclohexylphosphine (0.5 g, 1.7 mmol) were added. After reaction for 5 hours, after cooling to room temperature, the organic layer was filtered to remove salt, and the filtered organic layer was distilled. This was again added to 130 mL of chloroform to dissolve, washed twice with water, the organic layer was separated, anhydrous magnesium sulfate was added, stirred, filtered, and the filtrate was distilled under reduced pressure. The concentrated compound was recrystallized from chloroform and ethanol to prepare a white solid compound Sub 2-2 (7.5 g, 58%, MS: [M+H] + = 461.2).
합성예 4: 중간체 화합물 sub 3-2의 제조Synthesis Example 4: Preparation of intermediate compound sub 3-2
질소 분위기에서 R-4(20 g, 81.3 mmol)와 2-bromodibenzo[b,d]furan(20 g, 81.3mmol)를 테트라하이드로퓨란 400ml에 넣고 교반 및 환류하였다. 이 후 포타슘카보네이트(33.7 g, 243.9mmol)를 물34 ml에 녹여 투입하고 충분히 교반한 후 테트라키스트리페닐-포스피노팔라듐(2.8 g, 2.4mmol)을 투입하였다. 2시간 반응 후 상온으로 식인 후 유기층과 물층을 분리 후 유기층을 증류하였다. 이를 다시클로로포름 598 mL에 투입하여 녹이고, 물로 2회 세척 후에 유기층을 분리하여, 무수황산마그네슘을 넣고 교반한 후 여과하여 여액을 감압 증류하였다. 농축한 화합물을 클로로포름과 에틸아세테이트재결정을 통해 흰색의 고체 화합물 Sub 3-1(15.3g, 51%, MS: [M+H]+ = 369.1)을 제조하였다.In a nitrogen atmosphere, R-4 (20 g, 81.3 mmol) and 2-bromodibenzo[b,d]furan (20 g, 81.3 mmol) were placed in 400 ml of tetrahydrofuran, stirred and refluxed. After that, potassium carbonate (33.7 g, 243.9 mmol) was dissolved in 34 ml of water and thoroughly stirred, and then tetrakistriphenyl-phosphinopalladium (2.8 g, 2.4 mmol) was added. After the reaction for 2 hours, after cooling to room temperature, the organic layer and the water layer were separated, and the organic layer was distilled. This was added to 598 mL of chloroform to dissolve, washed twice with water, the organic layer was separated, anhydrous magnesium sulfate was added, stirred, filtered, and the filtrate was distilled under reduced pressure. The concentrated compound was recrystallized from chloroform and ethyl acetate to prepare a white solid compound Sub 3-1 (15.3 g, 51%, MS: [M+H] + = 369.1).
질소 분위기에서 Sub 3-1(15 g, 37.5 mmol)와 비스(피나콜라토)디보론(19.1 g, 75mmol)를 Diox 300ml에 넣고 교반 및 환류하였다. 이 후 포타슘아세테이트(10.8 g, 112.5mmol)를 투입하고 충분히 교반한 후 팔라듐디벤질리덴아세톤팔라듐(0.6 g, 1.1mmol) 및 트리시클로헥실포스핀 (0.6 g, 2.3mmol) 을 투입하였다. 7시간 반응 후 상온으로 식인 후 유기층을 필터처리하여 염을 제거 한 후 걸러진 유기층을 증류하였다. 이를 다시 클로로포름 173 mL에 투입하여 녹이고, 물로 2회 세척 후에 유기층을 분리하여, 무수황산마그네슘을 넣고 교반한 후 여과하여 여액을 감압 증류하였다. 농축한 화합물을 클로로포름과 에탄올재결정을 통해 흰색의 고체 화합물 Sub 3-2(10.4g, 60%, MS: [M+H]+ = 461.2)을 제조하였다.In a nitrogen atmosphere, Sub 3-1 (15 g, 37.5 mmol) and bis (pinacolato) diboron (19.1 g, 75 mmol) were added to 300 ml of Diox, stirred and refluxed. After that, potassium acetate (10.8 g, 112.5 mmol) was added, and after sufficient stirring, palladium dibenzylideneacetone palladium (0.6 g, 1.1 mmol) and tricyclohexylphosphine (0.6 g, 2.3 mmol) were added. After reaction for 7 hours, after cooling to room temperature, the organic layer was filtered to remove salt, and the filtered organic layer was distilled. This was again added to 173 mL of chloroform to dissolve, washed twice with water, the organic layer was separated, anhydrous magnesium sulfate was added, stirred, filtered, and the filtrate was distilled under reduced pressure. The concentrated compound was recrystallized from chloroform and ethanol to prepare a white solid compound Sub 3-2 (10.4 g, 60%, MS: [M+H] + = 461.2).
합성예 5: 중간체 화합물 sub 4-2의 제조Synthesis Example 5: Preparation of intermediate compound sub 4-2
질소 분위기에서 R-4(20 g, 81.3 mmol)와 1-bromodibenzo[b,d]furan(20 g, 81.3mmol)를 테트라하이드로퓨란 400ml에 넣고 교반 및 환류하였다. 이 후 포타슘카보네이트(33.7 g, 243.9mmol)를 물34 ml에 녹여 투입하고 충분히 교반한 후 테트라키스트리페닐-포스피노팔라듐(2.8 g, 2.4mmol)을 투입하였다. 2시간 반응 후 상온으로 식인 후 유기층과 물층을 분리 후 유기층을 증류하였다. 이를 다시클로로포름 598 mL에 투입하여 녹이고, 물로 2회 세척 후에 유기층을 분리하여, 무수황산마그네슘을 넣고 교반한 후 여과하여 여액을 감압 증류하였다. 농축한 화합물을 클로로포름과 에틸아세테이트재결정을 통해 흰색의 고체 화합물 Sub 4-1(22.4g, 75%, MS: [M+H]+ = 369.1)을 제조하였다.In a nitrogen atmosphere, R-4 (20 g, 81.3 mmol) and 1-bromodibenzo[b,d]furan (20 g, 81.3 mmol) were added to 400 ml of tetrahydrofuran, and stirred and refluxed. After that, potassium carbonate (33.7 g, 243.9 mmol) was dissolved in 34 ml of water and thoroughly stirred, and then tetrakistriphenyl-phosphinopalladium (2.8 g, 2.4 mmol) was added. After the reaction for 2 hours, after cooling to room temperature, the organic layer and the water layer were separated, and the organic layer was distilled. This was added to 598 mL of chloroform to dissolve, washed twice with water, the organic layer was separated, anhydrous magnesium sulfate was added, stirred, filtered, and the filtrate was distilled under reduced pressure. The concentrated compound was recrystallized from chloroform and ethyl acetate to prepare a white solid compound Sub 4-1 (22.4 g, 75%, MS: [M+H] + = 369.1).
질소 분위기에서 Sub 4-1(15 g, 30 mmol)와 비스(피나콜라토)디보론(15.3 g, 60mmol)를 Diox 300ml에 넣고 교반 및 환류하였다. 이 후 포타슘아세테이트(8.7 g, 90mmol)를 투입하고 충분히 교반한 후 팔라듐디벤질리덴아세톤팔라듐(0.5 g, 0.9mmol) 및 트리시클로헥실포스핀 (0.5 g, 1.8mmol) 을 투입하였다. 6시간 반응 후 상온으로 식인 후 유기층을 필터처리하여 염을 제거 한 후 걸러진 유기층을 증류하였다. 이를 다시 클로로포름 138 mL에 투입하여 녹이고, 물로 2회 세척 후에 유기층을 분리하여, 무수황산마그네슘을 넣고 교반한 후 여과하여 여액을 감압 증류하였다. 농축한 화합물을 클로로포름과 에탄올재결정을 통해 흰색의 고체 화합물 Sub 4-2(9.5g, 69%, MS: [M+H]+ = 461.2)을 제조하였다.In a nitrogen atmosphere, Sub 4-1 (15 g, 30 mmol) and bis (pinacolato) diboron (15.3 g, 60 mmol) were added to 300 ml of Diox, stirred and refluxed. After that, potassium acetate (8.7 g, 90 mmol) was added and sufficiently stirred, palladium dibenzylideneacetone palladium (0.5 g, 0.9 mmol) and tricyclohexylphosphine (0.5 g, 1.8 mmol) were added. After the reaction for 6 hours, after cooling to room temperature, the organic layer was filtered to remove salt, and the filtered organic layer was distilled. This was added to 138 mL of chloroform to dissolve, washed twice with water, the organic layer was separated, anhydrous magnesium sulfate was added, stirred, filtered, and the filtrate was distilled under reduced pressure. The concentrated compound was recrystallized from chloroform and ethanol to prepare a white solid compound Sub 4-2 (9.5 g, 69%, MS: [M+H] + = 461.2).
합성예 6: 중간체 화합물 sub 5-2의 제조Synthesis Example 6: Preparation of intermediate compound sub 5-2
질소 분위기에서 R-4(20 g, 81.3 mmol)와 4-bromodibenzo[b,d]thiophene(21.3 g, 81.3mmol)를 테트라하이드로퓨란 400ml에 넣고 교반 및 환류하였다. 이 후 포타슘카보네이트(33.7 g, 243.9mmol)를 물34 ml에 녹여 투입하고 충분히 교반한 후 테트라키스트리페닐-포스피노팔라듐(2.8 g, 2.4mmol)을 투입하였다. 1시간 반응 후 상온으로 식인 후 유기층과 물층을 분리 후 유기층을 증류하였다. 이를 다시클로로포름 624 mL에 투입하여 녹이고, 물로 2회 세척 후에 유기층을 분리하여, 무수황산마그네슘을 넣고 교반한 후 여과하여 여액을 감압 증류하였다. 농축한 화합물을 클로로포름과 에틸아세테이트재결정을 통해 노랑의 고체 화합물 Sub 5-1(17.5g, 56%, MS: [M+H]+ = 385)을 제조하였다.R-4 (20 g, 81.3 mmol) and 4-bromodibenzo[b,d]thiophene (21.3 g, 81.3 mmol) were added to 400 ml of tetrahydrofuran in a nitrogen atmosphere, and stirred and refluxed. After that, potassium carbonate (33.7 g, 243.9 mmol) was dissolved in 34 ml of water and thoroughly stirred, and then tetrakistriphenyl-phosphinopalladium (2.8 g, 2.4 mmol) was added. After reaction for 1 hour, after cooling to room temperature, the organic layer and the water layer were separated, and the organic layer was distilled. This was added to 624 mL of chloroform to dissolve it, washed twice with water, the organic layer was separated, anhydrous magnesium sulfate was added, stirred, filtered, and the filtrate was distilled under reduced pressure. The concentrated compound was recrystallized from chloroform and ethyl acetate to prepare a yellow solid compound Sub 5-1 (17.5 g, 56%, MS: [M+H] + =385).
질소 분위기에서 Sub 5-1(15 g, 25 mmol)와 비스(피나콜라토)디보론(12.7 g, 50mmol)를 Diox 300ml에 넣고 교반 및 환류하였다. 이 후 포타슘아세테이트(7.2 g, 75mmol)를 투입하고 충분히 교반한 후 팔라듐디벤질리덴아세톤팔라듐(0.4 g, 0.8mmol) 및 트리시클로헥실포스핀 (0.4 g, 1.5mmol) 을 투입하였다. 5시간 반응 후 상온으로 식인 후 유기층을 필터처리하여 염을 제거 한 후 걸러진 유기층을 증류하였다. 이를 다시 클로로포름 120 mL에 투입하여 녹이고, 물로 2회 세척 후에 유기층을 분리하여, 무수황산마그네슘을 넣고 교반한 후 여과하여 여액을 감압 증류하였다. 농축한 화합물을 클로로포름과 에탄올재결정을 통해 흰색의 고체 화합물 Sub 5-2(6.5g, 54%, MS: [M+H]+ = 479.2)을 제조하였다.In a nitrogen atmosphere, Sub 5-1 (15 g, 25 mmol) and bis (pinacolato) diboron (12.7 g, 50 mmol) were added to 300 ml of Diox, stirred and refluxed. After that, potassium acetate (7.2 g, 75 mmol) was added, and after sufficient stirring, palladium dibenzylideneacetone palladium (0.4 g, 0.8 mmol) and tricyclohexylphosphine (0.4 g, 1.5 mmol) were added. After reaction for 5 hours, after cooling to room temperature, the organic layer was filtered to remove salt, and the filtered organic layer was distilled. This was again added to 120 mL of chloroform to dissolve, washed twice with water, the organic layer was separated, anhydrous magnesium sulfate was added, stirred, filtered, and the filtrate was distilled under reduced pressure. The concentrated compound was recrystallized from chloroform and ethanol to prepare a white solid compound Sub 5-2 (6.5 g, 54%, MS: [M+H] + = 479.2).
제조예 1: 화합물 1의 제조Preparation Example 1: Preparation of
질소 분위기에서 Sub 1-2(10 g, 21.7 mmol)와 2-chloro-4-(dibenzo[b,d]furan-4-yl)-6-phenyl-1,3,5-triazine(7.8 g, 21.7mmol)를 테트라하이드로퓨란 200ml에 넣고 교반 및 환류하였다. 이 후 포타슘카보네이트(9 g, 65.2mmol)를 물9 ml에 녹여 투입하고 충분히 교반한 후 테트라키스트리페닐-포스피노팔라듐(0.8 g, 0.7mmol)을 투입하였다. 3시간 반응 후 상온으로 식인 후 유기층과 물층을 분리 후 유기층을 증류하였다. 이를 다시클로로포름 285 mL에 투입하여 녹이고, 물로 2회 세척 후에 유기층을 분리하여, 무수황산마그네슘을 넣고 교반한 후 여과하여 여액을 감압 증류하였다. 농축한 화합물을 클로로포름과 에틸아세테이트재결정을 통해 흰색의 고체 화합물 Compound 1(10.4g, 73%, MS: [M+H]+ = 656.2)을 제조하였다.Sub 1-2 (10 g, 21.7 mmol) and 2-chloro-4-(dibenzo[b,d]furan-4-yl)-6-phenyl-1,3,5-triazine (7.8 g, 21.7 mmol) was added to 200 ml of tetrahydrofuran, stirred and refluxed. After that, potassium carbonate (9 g, 65.2 mmol) was dissolved in 9 ml of water, and after stirring sufficiently, tetrakistriphenyl-phosphinopalladium (0.8 g, 0.7 mmol) was added. After the reaction for 3 hours, after cooling to room temperature, the organic layer and the water layer were separated, and the organic layer was distilled. This was again added to 285 mL of chloroform to dissolve, washed twice with water, the organic layer was separated, anhydrous magnesium sulfate was added, stirred, filtered, and the filtrate was distilled under reduced pressure. The concentrated compound was recrystallized from chloroform and ethyl acetate to prepare a white solid compound Compound 1 (10.4 g, 73%, MS: [M+H] + = 656.2).
제조예 2: 화합물 2의 제조Preparation Example 2: Preparation of
질소 분위기에서 Sub 2-2(10 g, 21.7 mmol)와 2-chloro-4-(dibenzo[b,d]furan-4-yl)-6-phenyl-1,3,5-triazine(7.8 g, 21.7mmol)를 테트라하이드로퓨란 200ml에 넣고 교반 및 환류하였다. 이 후 포타슘카보네이트(9 g, 65.2mmol)를 물9 ml에 녹여 투입하고 충분히 교반한 후 테트라키스트리페닐-포스피노팔라듐(0.8 g, 0.7mmol)을 투입하였다. 1시간 반응 후 상온으로 식인 후 유기층과 물층을 분리 후 유기층을 증류하였다. 이를 다시클로로포름 285 mL에 투입하여 녹이고, 물로 2회 세척 후에 유기층을 분리하여, 무수황산마그네슘을 넣고 교반한 후 여과하여 여액을 감압 증류하였다. 농축한 화합물을 클로로포름과 에틸아세테이트재결정을 통해 흰색의 고체 화합물 Compound 2(8.1g, 57%, MS: [M+H]+ = 656.2)을 제조하였다.Sub 2-2 (10 g, 21.7 mmol) and 2-chloro-4-(dibenzo[b,d]furan-4-yl)-6-phenyl-1,3,5-triazine (7.8 g, 21.7 mmol) was added to 200 ml of tetrahydrofuran, stirred and refluxed. After that, potassium carbonate (9 g, 65.2 mmol) was dissolved in 9 ml of water, and after stirring sufficiently, tetrakistriphenyl-phosphinopalladium (0.8 g, 0.7 mmol) was added. After reaction for 1 hour, after cooling to room temperature, the organic layer and the water layer were separated, and the organic layer was distilled. This was again added to 285 mL of chloroform to dissolve, washed twice with water, the organic layer was separated, anhydrous magnesium sulfate was added, stirred, filtered, and the filtrate was distilled under reduced pressure. The concentrated compound was recrystallized from chloroform and ethyl acetate to prepare a white solid compound Compound 2 (8.1 g, 57%, MS: [M+H] + = 656.2).
제조예 3: 화합물 3의 제조Preparation Example 3: Preparation of
제조예 4: 화합물 4의 제조Preparation Example 4: Preparation of
질소 분위기에서 Sub 4-2(10 g, 21.7 mmol)와 2-chloro-4-(dibenzo[b,d]furan-4-yl)-6-phenyl-1,3,5-triazine(7.8 g, 21.7mmol)를 테트라하이드로퓨란 200ml에 넣고 교반 및 환류하였다. 이 후 포타슘카보네이트(9 g, 65.2mmol)를 물9 ml에 녹여 투입하고 충분히 교반한 후 테트라키스트리페닐-포스피노팔라듐(0.8 g, 0.7mmol)을 투입하였다. 3시간 반응 후 상온으로 식인 후 유기층과 물층을 분리 후 유기층을 증류하였다. 이를 다시클로로포름 285 mL에 투입하여 녹이고, 물로 2회 세척 후에 유기층을 분리하여, 무수황산마그네슘을 넣고 교반한 후 여과하여 여액을 감압 증류하였다. 농축한 화합물을 클로로포름과 에틸아세테이트재결정을 통해 흰색의 고체 화합물 Compound 4(7.3g, 51%, MS: [M+H]+ = 656.2)을 제조하였다.Sub 4-2 (10 g, 21.7 mmol) and 2-chloro-4-(dibenzo[b,d]furan-4-yl)-6-phenyl-1,3,5-triazine (7.8 g, 21.7 mmol) was added to 200 ml of tetrahydrofuran, stirred and refluxed. After that, potassium carbonate (9 g, 65.2 mmol) was dissolved in 9 ml of water, and after stirring sufficiently, tetrakistriphenyl-phosphinopalladium (0.8 g, 0.7 mmol) was added. After the reaction for 3 hours, after cooling to room temperature, the organic layer and the water layer were separated, and the organic layer was distilled. This was again added to 285 mL of chloroform to dissolve, washed twice with water, the organic layer was separated, anhydrous magnesium sulfate was added, stirred, filtered, and the filtrate was distilled under reduced pressure. The concentrated compound was recrystallized from chloroform and ethyl acetate to prepare a white solid compound Compound 4 (7.3g, 51%, MS: [M+H]+ = 656.2).
제조예 5: 화합물 5의 제조Preparation Example 5: Preparation of
질소 분위기에서 Sub 5-2(10 g, 21.7 mmol)와 2-chloro-4-(dibenzo[b,d]furan-4-yl)-6-phenyl-1,3,5-triazine(7.8 g, 21.7mmol)를 테트라하이드로퓨란 200ml에 넣고 교반 및 환류하였다. 이 후 포타슘카보네이트(9 g, 65.2mmol)를 물9 ml에 녹여 투입하고 충분히 교반한 후 테트라키스트리페닐-포스피노팔라듐(0.8 g, 0.7mmol)을 투입하였다. 3시간 반응 후 상온으로 식인 후 유기층과 물층을 분리 후 유기층을 증류하였다. 이를 다시클로로포름 292 mL에 투입하여 녹이고, 물로 2회 세척 후에 유기층을 분리하여, 무수황산마그네슘을 넣고 교반한 후 여과하여 여액을 감압 증류하였다. 농축한 화합물을 클로로포름과 에틸아세테이트재결정을 통해 노랑의 고체 화합물 Compound 5(10.8g, 74%, MS: [M+H]+ = 672.2)을 제조하였다.Sub 5-2 (10 g, 21.7 mmol) and 2-chloro-4-(dibenzo[b,d]furan-4-yl)-6-phenyl-1,3,5-triazine (7.8 g, 21.7 mmol) was added to 200 ml of tetrahydrofuran, stirred and refluxed. After that, potassium carbonate (9 g, 65.2 mmol) was dissolved in 9 ml of water, and after stirring sufficiently, tetrakistriphenyl-phosphinopalladium (0.8 g, 0.7 mmol) was added. After the reaction for 3 hours, after cooling to room temperature, the organic layer and the water layer were separated, and the organic layer was distilled. This was again put in 292 mL of chloroform to dissolve, washed twice with water, the organic layer was separated, anhydrous magnesium sulfate was added, stirred, filtered, and the filtrate was distilled under reduced pressure. The concentrated compound was recrystallized from chloroform and ethyl acetate to prepare a yellow solid compound Compound 5 (10.8 g, 74%, MS: [M+H] + = 672.2).
제조예 6: 화합물 6의 제조Preparation Example 6: Preparation of
질소 분위기에서 Sub 5-2(10 g, 21.7 mmol)와 2-(4-chloro-6-phenyl-1,3,5-triazin-2-yl)-9-phenyl-9H-carbazole(9.4 g, 21.7mmol)를 테트라하이드로퓨란 200ml에 넣고 교반 및 환류하였다. 이 후 포타슘카보네이트(9 g, 65.2mmol)를 물9 ml에 녹여 투입하고 충분히 교반한 후 테트라키스트리페닐-포스피노팔라듐(0.8 g, 0.7mmol)을 투입하였다. 3시간 반응 후 상온으로 식인 후 유기층과 물층을 분리 후 유기층을 증류하였다. 이를 다시클로로포름 324 mL에 투입하여 녹이고, 물로 2회 세척 후에 유기층을 분리하여, 무수황산마그네슘을 넣고 교반한 후 여과하여 여액을 감압 증류하였다. 농축한 화합물을 클로로포름과 에틸아세테이트재결정을 통해 노랑의 고체 화합물 Compound 6(11.8g, 73%, MS: [M+H]+ = 747.2)을 제조하였다.Sub 5-2 (10 g, 21.7 mmol) and 2-(4-chloro-6-phenyl-1,3,5-triazin-2-yl)-9-phenyl-9H-carbazole (9.4 g, 21.7 mmol) was added to 200 ml of tetrahydrofuran, stirred and refluxed. After that, potassium carbonate (9 g, 65.2 mmol) was dissolved in 9 ml of water, and after stirring sufficiently, tetrakistriphenyl-phosphinopalladium (0.8 g, 0.7 mmol) was added. After the reaction for 3 hours, after cooling to room temperature, the organic layer and the water layer were separated, and the organic layer was distilled. This was again added to 324 mL of chloroform to dissolve, washed twice with water, the organic layer was separated, anhydrous magnesium sulfate was added, stirred, filtered, and the filtrate was distilled under reduced pressure. The concentrated compound was recrystallized from chloroform and ethyl acetate to prepare a yellow solid compound Compound 6 (11.8 g, 73%, MS: [M+H] + = 747.2).
제조예 7: 화합물 7의 제조Preparation Example 7: Preparation of compound 7
질소 분위기에서 Sub 5-2(10 g, 21.7 mmol)와 4-(4-chloro-6-phenyl-1,3,5-triazin-2-yl)-9-phenyl-9H-carbazole(9.4 g, 21.7mmol)를 테트라하이드로퓨란 200ml에 넣고 교반 및 환류하였다. 이 후 포타슘카보네이트(9 g, 65.2mmol)를 물9 ml에 녹여 투입하고 충분히 교반한 후 테트라키스트리페닐-포스피노팔라듐(0.8 g, 0.7mmol)을 투입하였다. 2시간 반응 후 상온으로 식인 후 유기층과 물층을 분리 후 유기층을 증류하였다. 이를 다시클로로포름 285 mL에 투입하여 녹이고, 물로 2회 세척 후에 유기층을 분리하여, 무수황산마그네슘을 넣고 교반한 후 여과하여 여액을 감압 증류하였다. 농축한 화합물을 클로로포름과 에틸아세테이트재결정을 통해 노랑의 고체 화합물 Compound 7(10.8g, 76%, MS: [M+H]+ = 656.2)을 제조하였다.Sub 5-2 (10 g, 21.7 mmol) and 4-(4-chloro-6-phenyl-1,3,5-triazin-2-yl)-9-phenyl-9H-carbazole (9.4 g, 21.7 mmol) was added to 200 ml of tetrahydrofuran, stirred and refluxed. After that, potassium carbonate (9 g, 65.2 mmol) was dissolved in 9 ml of water, and after stirring sufficiently, tetrakistriphenyl-phosphinopalladium (0.8 g, 0.7 mmol) was added. After the reaction for 2 hours, after cooling to room temperature, the organic layer and the water layer were separated, and the organic layer was distilled. This was again added to 285 mL of chloroform to dissolve, washed twice with water, the organic layer was separated, anhydrous magnesium sulfate was added, stirred, filtered, and the filtrate was distilled under reduced pressure. The concentrated compound was recrystallized from chloroform and ethyl acetate to prepare a yellow solid compound Compound 7 (10.8 g, 76%, MS: [M+H] + = 656.2).
제조예 8: 화합물 8의 제조Preparation 8: Preparation of compound 8
질소 분위기에서 Sub 5-2(10 g, 21.7 mmol)와 9-(4-chloro-6-phenyl-1,3,5-triazin-2-yl)-9H-carbazole(7.7 g, 21.7mmol)를 테트라하이드로퓨란 200ml에 넣고 교반 및 환류하였다. 이 후 포타슘카보네이트(9 g, 65.2mmol)를 물9 ml에 녹여 투입하고 충분히 교반한 후 테트라키스트리페닐-포스피노팔라듐(0.8 g, 0.7mmol)을 투입하였다. 3시간 반응 후 상온으로 식인 후 유기층과 물층을 분리 후 유기층을 증류하였다. 이를 다시클로로포름 291 mL에 투입하여 녹이고, 물로 2회 세척 후에 유기층을 분리하여, 무수황산마그네슘을 넣고 교반한 후 여과하여 여액을 감압 증류하였다. 농축한 화합물을 클로로포름과 에틸아세테이트재결정을 통해 흰색의 고체 화합물 Compound 8(8.9g, 61%, MS: [M+H]+ = 671.2)을 제조하였다.Sub 5-2 (10 g, 21.7 mmol) and 9- (4-chloro-6-phenyl-1,3,5-triazin-2-yl) -9H-carbazole (7.7 g, 21.7 mmol) in nitrogen atmosphere It was put into 200ml of tetrahydrofuran, stirred and refluxed. After that, potassium carbonate (9 g, 65.2 mmol) was dissolved in 9 ml of water, and after stirring sufficiently, tetrakistriphenyl-phosphinopalladium (0.8 g, 0.7 mmol) was added. After the reaction for 3 hours, after cooling to room temperature, the organic layer and the water layer were separated, and the organic layer was distilled. This was again added to 291 mL of chloroform to dissolve, washed twice with water, the organic layer was separated, anhydrous magnesium sulfate was added, stirred, filtered, and the filtrate was distilled under reduced pressure. The concentrated compound was recrystallized from chloroform and ethyl acetate to prepare a white solid compound Compound 8 (8.9 g, 61%, MS: [M+H] + = 671.2).
제조예 9: 화합물 9의 제조Preparation Example 9: Preparation of compound 9
질소 분위기에서 Sub 1-2(10 g, 21.7 mmol)와 2-chloro-3-(dibenzo[b,d]furan-4-yl)-6-phenyl-1,3,5-triazine(7.8 g, 21.7mmol)를 테트라하이드로퓨란 200ml에 넣고 교반 및 환류하였다. 이 후 포타슘카보네이트(9 g, 65.2mmol)를 물9 ml에 녹여 투입하고 충분히 교반한 후 테트라키스트리페닐-포스피노팔라듐(0.8 g, 0.7mmol)을 투입하였다. 1시간 반응 후 상온으로 식인 후 유기층과 물층을 분리 후 유기층을 증류하였다. 이를 다시클로로포름 285 mL에 투입하여 녹이고, 물로 2회 세척 후에 유기층을 분리하여, 무수황산마그네슘을 넣고 교반한 후 여과하여 여액을 감압 증류하였다. 농축한 화합물을 클로로포름과 에틸아세테이트재결정을 통해 흰색의 고체 화합물 Compound 9(11.2g, 79%, MS: [M+H]+ = 656.2)을 제조하였다.Sub 1-2 (10 g, 21.7 mmol) and 2-chloro-3-(dibenzo[b,d]furan-4-yl)-6-phenyl-1,3,5-triazine (7.8 g, 21.7 mmol) was added to 200 ml of tetrahydrofuran, stirred and refluxed. After that, potassium carbonate (9 g, 65.2 mmol) was dissolved in 9 ml of water, and after stirring sufficiently, tetrakistriphenyl-phosphinopalladium (0.8 g, 0.7 mmol) was added. After reaction for 1 hour, after cooling to room temperature, the organic layer and the water layer were separated, and the organic layer was distilled. This was again added to 285 mL of chloroform to dissolve, washed twice with water, the organic layer was separated, anhydrous magnesium sulfate was added, stirred, filtered, and the filtrate was distilled under reduced pressure. The concentrated compound was recrystallized from chloroform and ethyl acetate to prepare a white solid compound Compound 9 (11.2 g, 79%, MS: [M+H] + = 656.2).
제조예 10: 화합물 10의 제조Preparation 10: Preparation of compound 10
질소 분위기에서 Sub 1-2(10 g, 21.7 mmol)와 2-chloro-2-(dibenzo[b,d]furan-4-yl)-6-phenyl-1,3,5-triazine(7.8 g, 21.7mmol)를 테트라하이드로퓨란 200ml에 넣고 교반 및 환류하였다. 이 후 포타슘카보네이트(9 g, 65.2mmol)를 물9 ml에 녹여 투입하고 충분히 교반한 후 테트라키스트리페닐-포스피노팔라듐(0.8 g, 0.7mmol)을 투입하였다. 2시간 반응 후 상온으로 식인 후 유기층과 물층을 분리 후 유기층을 증류하였다. 이를 다시클로로포름 285 mL에 투입하여 녹이고, 물로 2회 세척 후에 유기층을 분리하여, 무수황산마그네슘을 넣고 교반한 후 여과하여 여액을 감압 증류하였다. 농축한 화합물을 클로로포름과 에틸아세테이트재결정을 통해 흰색의 고체 화합물 Compound 10(7.3g, 51%, MS: [M+H]+ = 656.2)을 제조하였다.Sub 1-2 (10 g, 21.7 mmol) and 2-chloro-2-(dibenzo[b,d]furan-4-yl)-6-phenyl-1,3,5-triazine (7.8 g, 21.7 mmol) was added to 200 ml of tetrahydrofuran, stirred and refluxed. After that, potassium carbonate (9 g, 65.2 mmol) was dissolved in 9 ml of water, and after stirring sufficiently, tetrakistriphenyl-phosphinopalladium (0.8 g, 0.7 mmol) was added. After the reaction for 2 hours, after cooling to room temperature, the organic layer and the water layer were separated, and the organic layer was distilled. This was again added to 285 mL of chloroform to dissolve, washed twice with water, the organic layer was separated, anhydrous magnesium sulfate was added, stirred, filtered, and the filtrate was distilled under reduced pressure. The concentrated compound was recrystallized from chloroform and ethyl acetate to prepare a white solid compound Compound 10 (7.3g, 51%, MS: [M+H]+ = 656.2).
제조예 11: 화합물 11의 제조Preparation Example 11: Preparation of compound 11
질소 분위기에서 Sub 1-2(10 g, 21.7 mmol)와 2-chloro-1-(dibenzo[b,d]furan-4-yl)-6-phenyl-1,3,5-triazine(7.8 g, 21.7mmol)를 테트라하이드로퓨란 200ml에 넣고 교반 및 환류하였다. 이 후 포타슘카보네이트(9 g, 65.2mmol)를 물9 ml에 녹여 투입하고 충분히 교반한 후 테트라키스트리페닐-포스피노팔라듐(0.8 g, 0.7mmol)을 투입하였다. 2시간 반응 후 상온으로 식인 후 유기층과 물층을 분리 후 유기층을 증류하였다. 이를 다시클로로포름 285 mL에 투입하여 녹이고, 물로 2회 세척 후에 유기층을 분리하여, 무수황산마그네슘을 넣고 교반한 후 여과하여 여액을 감압 증류하였다. 농축한 화합물을 클로로포름과 에틸아세테이트재결정을 통해 흰색의 고체 화합물 Compound 11(8.1g, 57%, MS: [M+H]+ = 656.2)을 제조하였다.Sub 1-2 (10 g, 21.7 mmol) and 2-chloro-1-(dibenzo[b,d]furan-4-yl)-6-phenyl-1,3,5-triazine (7.8 g, 21.7 mmol) was added to 200 ml of tetrahydrofuran, stirred and refluxed. After that, potassium carbonate (9 g, 65.2 mmol) was dissolved in 9 ml of water, and after stirring sufficiently, tetrakistriphenyl-phosphinopalladium (0.8 g, 0.7 mmol) was added. After the reaction for 2 hours, after cooling to room temperature, the organic layer and the water layer were separated, and the organic layer was distilled. This was again added to 285 mL of chloroform to dissolve, washed twice with water, the organic layer was separated, anhydrous magnesium sulfate was added, stirred, filtered, and the filtrate was distilled under reduced pressure. The concentrated compound was recrystallized from chloroform and ethyl acetate to prepare a white solid compound Compound 11 (8.1 g, 57%, MS: [M+H] + = 656.2).
[실험예][Experimental example]
<실험예 1><Experimental Example 1>
ITO(indium tin oxide)가 1,300Å의 두께로 박막 코팅된 유리 기판을 세제를 녹인 증류수에 넣고 초음파로 세척하였다. 이때, 세제로는 피셔사(Fischer Co.) 제품을 사용하였으며, 증류수로는 밀리포어사(Millipore Co.) 제품의 필터(Filter)로 2차로 걸러진 증류수를 사용하였다. ITO를 30분간 세척한 후 증류수로 2회 반복하여 초음파 세척을 10분간 진행하였다. 증류수 세척이 끝난 후, 이소프로필알콜, 아세톤, 메탄올의 용제로 초음파 세척을 하고 건조시킨 후 플라즈마 세정기로 수송시켰다. 또한, 산소 플라즈마를 이용하여 상기 기판을 5분간 세정한 후 진공 증착기로 기판을 수송시켰다.A glass substrate coated with indium tin oxide (ITO) to a thickness of 1,300 Å was placed in distilled water in which detergent was dissolved and washed with ultrasonic waves. In this case, a product manufactured by Fischer Co. was used as the detergent, and distilled water that was secondarily filtered with a filter manufactured by Millipore Co. was used as the distilled water. After washing ITO for 30 minutes, ultrasonic cleaning was performed for 10 minutes by repeating twice with distilled water. After washing with distilled water, ultrasonic washing was performed with a solvent of isopropyl alcohol, acetone, and methanol, dried, and then transported to a plasma cleaner. In addition, after cleaning the substrate for 5 minutes using oxygen plasma, the substrate was transported to a vacuum evaporator.
상기와 같이 준비된 ITO 투명 전극 위에 하기 HI-1 화합물을 50Å의 두께로 열 진공 증착하여 정공주입층을 형성하였다. 상기 정공주입층 위에 하기 HT-1 화합물을 250Å의 두께로 열 진공 증착하여 정공수송층을 형성하고, HT-1 증착막 위에 하기 HT-2 화합물을 50Å 두께로 진공 증착하여 전자차단층을 형성하였다. 상기 HT-2 증착막 위에 발광층으로서 앞서 제조예 1에서 제조한 화합물 1, 하기 YGH-1 화합물, 및 인광도펀트 YGD-1을 44:44:12의 중량비로 공증착하여 400Å 두께의 발광층을 형성하였다. 상기 발광층 위에 하기 ET-1 화합물을 250Å의 두께로 진공 증착하여 전자수송층을 형성하고, 상기 전자수송층 위에 하기 ET-2 화합물 및 Li를 98:2의 중량비로 진공 증착하여 100Å 두께의 전자주입층을 형성하였다. 상기 전자주입층 위에 1000Å 두께로 알루미늄을 증착하여 음극을 형성하였다. A hole injection layer was formed by thermal vacuum deposition of the following HI-1 compound to a thickness of 50 Å on the ITO transparent electrode prepared as described above. On the hole injection layer, the following HT-1 compound was thermally vacuum deposited to a thickness of 250 Å to form a hole transport layer, and the following HT-2 compound was vacuum deposited to a thickness of 50 Å on the HT-1 deposited film to form an electron blocking layer.
상기의 과정에서 유기물의 증착속도는 0.4 ~ 0.7 Å/sec를 유지하였고, 알루미늄은 2 Å/sec의 증착 속도를 유지하였으며, 증착시 진공도는 1 × 10-7 ~ 5 × 10-8 torr를 유지하였다.In the above process, the deposition rate of the organic material was maintained at 0.4 ~ 0.7 Å/sec, the deposition rate of aluminum was maintained at 2 Å/sec, and the vacuum degree during deposition was maintained at 1 × 10 -7 ~ 5 × 10 -8 torr did.
<실험예 2 내지 11><Experimental Examples 2 to 11>
상기 실험예 1에서 제조예 1의 화합물 1 대신 하기 표 1에 기재된 화합물을 사용하는 것을 제외하고는, 상기 실험예 1과 동일한 방법으로 유기 발광 소자를 제조하였다. An organic light emitting diode was manufactured in the same manner as in Experimental Example 1, except that the compound shown in Table 1 was used instead of
<비교 실험예 1 내지 5><Comparative Experimental Examples 1 to 5>
상기 실험예 1에서 제조예 1의 화합물 1 대신 하기 표 1에 기재된 화합물을 사용하는 것을 제외하고는, 상기 실험예 1과 동일한 방법으로 유기 발광 소자를 제조하였다. 하기 표 1의 CE1 내지 CE5의 화합물은 하기와 같다.An organic light emitting diode was manufactured in the same manner as in Experimental Example 1, except that the compound shown in Table 1 was used instead of
상기 실험예 및 비교실험예에서 유기 발광 소자를 10mA/cm2의 전류 밀도에서 전압과 효율을 측정하였고, 50mA/cm2의 전류 밀도에서 수명을 측정하여 그 결과를 하기 표 1에 나타내었다. 이때, LT95는 초기 휘도 대비 95%가 되는 시간을 의미한다 In the Experimental Examples and Comparative Experimental Examples, voltage and efficiency were measured for the organic light emitting device at a current density of 10 mA/cm 2 , and lifetimes were measured at a current density of 50 mA/cm 2 The results are shown in Table 1 below. At this time, LT 95 means the time at which 95% of the initial luminance is obtained.
(@10mA/cm2)Voltage (V)
(@10mA/cm 2 )
(@10mA/cm2)Efficiency (Cd/A)
(@10mA/cm 2 )
(x,y)color coordinates
(x,y)
(LT95 at 50mA/cm2)Life (h)
(LT 95 at 50mA/cm 2 )
상기 표 1에서 나타난 바와 같이, 본 발명의 화합물을 발광층 물질로 사용할 경우, 비교 실험예에 비하여 효율 및 수명이 우수한 특성을 나타내는 것을 확인할 수 있었다. As shown in Table 1, when the compound of the present invention was used as a material for the light emitting layer, it was confirmed that the efficiency and lifespan were superior to those of Comparative Experimental Examples.
이는 트라이진과 디벤조퓨란 치환기들의 연속적인 결합시 디벤조퓨란기의 2,7 결합 및 디벤조퓨란기 혹은 디벤조티오펜기가 치환됨에 따라 전기안정성이 증가 되었기 때문인 것으로 보인다.This seems to be because the electrical stability is increased as the 2,7 bonds of the dibenzofuran group and the dibenzofuran group or dibenzothiophene group are substituted during successive bonding of the trizine and dibenzofuran substituents.
1: 기판 2: 양극
3: 발광층 4: 음극
5: 정공주입층 6: 정공수송층
7: 전자차단층 8: 전자수송층
9: 전자주입층1: Substrate 2: Anode
3: light emitting layer 4: cathode
5: hole injection layer 6: hole transport layer
7: electron blocking layer 8: electron transport layer
9: electron injection layer
Claims (10)
[화학식 1]
상기 화학식 1에서,
Y는 O 또는 S이고,
X는 각각 독립적으로 N 또는 CH이고, 단 이들 중 1 이상은 N이고,
Ar1은 하기로 구성되는 군으로부터 선택되는 어느 하나이고,
Ar2는 치환 또는 비치환된 C6-60 아릴; 또는 치환 또는 비치환된 N, O 및 S로 구성되는 군으로부터 선택되는 어느 하나 이상의 헤테로원자를 포함하는 C5-60 헤테로아릴이고,
n은 0 내지 4의 정수이고,
R은 수소; 치환 또는 비치환된 C6-60 아릴; 또는 치환 또는 비치환된 N, O 및 S로 구성되는 군으로부터 선택되는 어느 하나 이상의 헤테로원자를 포함하는 C5-60 헤테로아릴이다.
A compound represented by the following formula (1):
[Formula 1]
In Formula 1,
Y is O or S;
each X is independently N or CH, provided that at least one of them is N,
Ar 1 is any one selected from the group consisting of
Ar 2 is substituted or unsubstituted C 6-60 aryl; Or substituted or unsubstituted C 5-60 heteroaryl containing any one or more heteroatoms selected from the group consisting of N, O and S,
n is an integer from 0 to 4,
R is hydrogen; substituted or unsubstituted C 6-60 aryl; or C 5-60 heteroaryl including any one or more heteroatoms selected from the group consisting of substituted or unsubstituted N, O and S.
상기 화학식 1은 하기 화학식 1-1 내지 1-4로 표시되는, 화합물:
[화학식 1-1]
[화학식 1-2]
[화학식 1-3]
[화학식 1-4]
상기 화학식 1-1 내지 1-4에서,
X, Y, n, R, Ar1 및 Ar2에 대한 설명은 제1항에서 정의한 바와 같다.
According to claim 1,
Formula 1 is a compound represented by the following Formulas 1-1 to 1-4:
[Formula 1-1]
[Formula 1-2]
[Formula 1-3]
[Formula 1-4]
In Formulas 1-1 to 1-4,
Descriptions of X, Y, n, R, Ar 1 and Ar 2 are as defined in claim 1.
Ar2는, 페닐, 비페닐 또는 나프틸인, 화합물.
According to claim 1,
Ar 2 is phenyl, biphenyl or naphthyl.
n은 0 내지 2인, 화합물.
According to claim 1,
n is 0-2.
R은 페닐인, 화합물.
According to claim 1,
R is phenyl.
X는 모두 N인, 화합물.
According to claim 1,
X is all N;
상기 화학식 1로 표시되는 화합물은, 하기로 구성되는 군으로부터 선택되는 어느 하나인, 화합물:
According to claim 1,
The compound represented by Formula 1 is any one selected from the group consisting of:
Any one compound selected from the group consisting of:
a first electrode; a second electrode provided to face the first electrode; and at least one organic material layer provided between the first electrode and the second electrode, wherein at least one of the organic material layers is any one of claims 1, 2, and 4 to 9. An organic light emitting device comprising the compound according to one of the claims.
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