CN108948095A - Four ring gear metal platinum complexes and its application based on phenyl carbazole - Google Patents

Four ring gear metal platinum complexes and its application based on phenyl carbazole Download PDF

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CN108948095A
CN108948095A CN201810872326.1A CN201810872326A CN108948095A CN 108948095 A CN108948095 A CN 108948095A CN 201810872326 A CN201810872326 A CN 201810872326A CN 108948095 A CN108948095 A CN 108948095A
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base
amino
alkyl
present
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CN108948095B (en
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李贵杰
佘远斌
赵向东
陈少海
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Zhejiang University of Technology ZJUT
AAC Optoelectronic Changzhou Co Ltd
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Zhejiang University of Technology ZJUT
AAC Optoelectronic Changzhou Co Ltd
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    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F15/00Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
    • C07F15/0006Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table compounds of the platinum group
    • C07F15/0086Platinum compounds
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/06Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00Organic light-emitting devices
    • H10K50/10OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/11OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/30Coordination compounds
    • H10K85/341Transition metal complexes, e.g. Ru(II)polypyridine complexes
    • H10K85/346Transition metal complexes, e.g. Ru(II)polypyridine complexes comprising platinum
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2211/00Chemical nature of organic luminescent or tenebrescent compounds
    • C09K2211/18Metal complexes
    • C09K2211/185Metal complexes of the platinum group, i.e. Os, Ir, Pt, Ru, Rh or Pd

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Abstract

The present invention relates to technical field of organic luminescence materials, a kind of four ring gear metal platinum complex luminescent materials based on phenyl carbazole and its field are provided.The four ring gears metal platinum complex has structure shown in logical formula (I).Luminescent material provided by the present invention regulates and controls the photophysics property of four ring gear metal platinum complexes by adjusting the structure of the ligand around metal center and regulating and controlling the structure of substituent group on ligand, has the advantages that emission spectrum is narrow, stability is high and high-efficient;It the numerous areas such as shows and illuminates in OLED and has broad application prospects.

Description

Four ring gear metal platinum complexes and its application based on phenyl carbazole
[technical field]
The present invention relates to technical field of organic luminescence materials, and in particular to a kind of four ring gears with improved emission spectrum Metal platinum complex luminescent material and its application.
[background technique]
The compound that can absorb and/or emit light is applicable to various optics and electroluminescent device, comprising: light absorption Device, solar energy Sensitive Apparatus and light-sensitive device, Organic Light Emitting Diode (OLED), light emitting devices, or light can either be carried out It absorbs and is able to carry out light emitting and the device as the marker (marker) for biologic applications again.It is many research oneself be dedicated to It was found that and optimizing for the organic material used in optics and electroluminescent device and organo metallic material.In general, the field In research aim at many targets, including absorb and the improvement of emission effciency and the improvement of working ability.
Although the research of electrooptical material has made marked progress, such as red green phosphorescent organometallic material has been commercialized And be applied in organic electroluminescent device OLEDs, lighting apparatus and advanced display, but currently available material is still There are many disadvantages, including not good enough machining property, inefficient transmitting or absorption efficiency and not satisfactory stability.
In addition, good blue light emitting material is very rare, blue-light device is stablized not good enough, and the selection of material of main part is to device Stability and efficiency have an important influence.Relatively red green phosphor material, blue emitting phosphor material lowest triplet state energy level is higher, meaning Taste in blue-light device material of main part triplet need it is higher.Therefore, ideal material of main part is more scarce in blue-light device It is weary.
In general, the variation of chemical structure will affect the electronic structure of compound, its optical property is thus influenced (for example, hair Penetrate and absorption spectrum), therefore, changing chemical structure can make compound have specific transmitting or absorption characteristic.In addition, changing The optical property for closing object can also be adjusted by changing the ligand of structure centre.For example, with electron substituent group or inhaling electricity The compound of the ligand of sub- substituent group usually shows different optical properties, including different transmittings and absorption spectrum.
Since the multiple tooth type platinum metal complex of phosphorescence can utilize the singlet and triplet excitons of electroexcitation simultaneously, obtain The internal quantum for obtaining 100%, so that these complexs can be used as the alternative luminescent material of OLEDs.In general, multiple tooth type platinum The ligand of metal complex includes luminophore and auxiliary group.If introducing conjugation group, such as by aromatic ring substituents or miscellaneous original Sub- substituent group etc. is introduced into luminous component, highest molecule occupied orbital (the Highest Occupied of luminescent material Molecular, HOMO) and minimum molecule unoccupied orbital (Lowest Unoccupied Molecular, LUMO) energy grade meeting quilt Change, meanwhile, further adjust the energy gaps between HOMO track and LUMO track, the adjustable multiple tooth type platinum of phosphorescence Complex emission spectrum property, it is wider or narrower such as to make its, or keeps its red shift dynamic or blue shift.Thus can meet in light emitting and Absorb the demand of performance improvement in application.
[summary of the invention]
The purpose of the present invention is to provide a kind of four ring gear metal platinum complexes with improved emission spectrum shine material Material and its application.
In a first aspect, embodiments of the present invention provide a kind of four ring gear metal platinum complexes based on phenyl carbazole, The four ring gears metal platinum complex has structure shown in general formula I:
Wherein:
V1、V2、V3And V4It is the atom being connect with Pt, is each independently selected from N atom or C atom, and V1、V2、V3、V4In Including at least 2 N atoms;
Y1、Y2、Y3、Y4、Y5、Y6、Y7、Y8、Y9、Y10、Y11And Y12It is each independently selected from N atom or CH base;
X1And X2Expression N, B, CH, CD, CR independenta、SiH、SiD、SiRa、GeH、GeD、GeRd, P, P=O, As, As=O, Bi or Bi=O;
Ra、Rb、RcAnd RdIt is each independently hydrogen, deuterium, aryl, naphthenic base, cycloalkenyl, heterocycle, heteroaryl, alkyl, alkene Base, alkynyl, halogen, hydroxyl, sulfydryl, nitro, cyano, amino, list or dialkyl amido, list or ammonia diaryl base, alkoxy, virtue Oxygroup, halogenated alkyl, ester group, itrile group, isonitrile base, heteroaryl, alkoxy carbonyl, acylamino-, alkoxycarbonyl amino, aryloxy group Carbonylamino, sulfuryl amino, sulfamoyl, carbamoyl, alkylthio group, sulfinyl, urea groups, phosphinylidyne amido, imido grpup, Sulfo group, carboxyl, diazanyl, substituted silicyl, polymerization group, or combinations thereof;
R1、R2、R3、R4、R5And R6Each independently represent single base replace, it is biradical replace, three bases replace, four bases replace or It is unsubstituted, and R1、R2、R3、R4、R5And R6Be each independently hydrogen, deuterium, aryl, naphthenic base, cycloalkenyl, heterocycle, heteroaryl, Alkyl, alkenyl, alkynyl, halogen, hydroxyl, sulfydryl, nitro, cyano, amino, list or dialkyl amido, list or ammonia diaryl base, alkane Oxygroup, aryloxy group, halogenated alkyl, ester group, itrile group, isonitrile base, heteroaryl, alkoxy carbonyl, acylamino-, alkoxy carbonyl ammonia Base, aryloxycarbonylamino, sulfuryl amino, sulfamoyl, carbamoyl, alkylthio group, sulfinyl, urea groups, phosphamide Base, imido grpup, sulfo group, carboxyl, diazanyl, substituted silicyl, polymerization group, or combinations thereof;And two or more are adjacent Close R1、R2、R3、R4、R5And R6Respectively independence or selective connection it can form condensed ring.
Optionally, the four ring gear metal platinum complexes based on phenyl carbazole provided by embodiments of the present invention have such as One of lower structure:
The above-mentioned four ring gear metal platinum complexes based on phenyl carbazole provided by embodiments of the present invention have neutrality Charge.
Embodiments of the present invention also provide the above-mentioned four ring gear metal platinum complexes based on phenyl carbazole in electroluminescent Application in device.
In addition, embodiments of the present invention also provide a kind of device, including four teeth described above based on phenyl carbazole Cyclometalated platinum complexes.
Optionally, the device includes full-color display.
Optionally, the device is photovoltaic device.
Optionally, the device is light-emitting display device.
Optionally, the device includes Organic Light Emitting Diode.
Optionally, the device includes phosphorescence Organic Light Emitting Diode.
Optionally, it is to have 100% Internal Quantum effect in device environment that the four ring gears metal platinum complex is chosen Rate.
Optionally, in the device provided by embodiments of the present invention, including at least one cathode, at least one anode With at least one layer of luminescent layer, at least one layer in luminescent layer includes that the four ring gear metal platinums described above based on phenyl carbazole are matched Close object.
The beneficial effects of the present invention are: the present invention is by changing ligand structure and regulation ligand around metal center On substituent structure adjust the photophysics property of metal platinum complex so that provided by the present invention be based on phenyl carbazole Four ring gear metal platinum complexes can shine in the range of about 400nm to about 700nm, and have emission spectrum it is narrow, steady Qualitative high and high-efficient advantage;The metal platinum complex is applied in luminescent device, luminous efficiency and device can be improved Operating time, the numerous areas such as show and illuminate in OLED and have broad application prospects.
[Detailed description of the invention]
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing, in which:
Fig. 1 is Room temperature emission spectra of the platinum complex Pt 1 in dichloromethane solution in specific embodiment;
Fig. 2 is Room temperature emission spectra of the platinum complex Pt 3 in dichloromethane solution in specific embodiment;
Fig. 3 is Room temperature emission spectra of the platinum complex Pt 28 in dichloromethane solution in specific embodiment;
Fig. 4 is Room temperature emission spectra of the platinum complex Pt 29 in dichloromethane solution in specific embodiment.
The other aspects of picture are also described in picture description after picture.Advantage is by claim In the element that particularly points out and combination and realize and obtain.It should be pointed out that general remark above and following detailed Illustrate all to be exemplary and explanatory, not have limited.
[specific embodiment]
The disclosure can be more easily to understand by reference to following specific embodiments and embodiment wherein included.
Before disclosing and describing the compound of the present invention, device and/or method, it should be appreciated that they are not limited to specifically Synthetic method (otherwise can also point out), or specific reagent (otherwise can also point out), because this can certainly change 's.It should also be appreciated that term used in the present invention is only for the purpose of description specific aspect, and it is not intended to be limitation.Although It can be used in the practice or test with those of present invention description similar or of equal value any method and material, be described below Illustrative method and material.
Term " optional " used in the present invention or " optionally " mean the event then described or situation can with or Do not occur, and the description include the case where the event or happen and it not there is a situation where.
Disclose the component that can be used for preparing composition of the present invention, and the method to be used to disclose in the present invention In composition itself.These and other substance is disclosed in the present invention, and be should be understood that work as and disclosed the group of these substances Conjunction, subset, interaction, group, etc., and cannot specifically disclose that each of these compounds are various individually and total combination and to be set When the specific ginseng reference changed, each is specifically expected in the present invention and describes.For example, if being disclosed and discussed specific Compound, and many modifications that can be carried out to many molecules comprising the compound are discussed, then specifically expected should The various and every kind of combination and displacement of compound, and the modification can be can be carried out, otherwise can in addition specifically it point out on the contrary. Therefore, if the example of molecule A, B and C and molecule D, E and F and combination molecule A-D are disclosed, then being Make each not record individually, it is also considered that disclose it is each individually and generally expected meaning combination, A-E, A-F, B-D, B-E, B-F, C-D, C-E and C-F.Similarly, any subset or these combination are also disclosed.Thus, for example, it should it examines Worry discloses group A-E, B-F and C-E.These ideas are suitable for the invention all aspects, including but not limited to prepare and make In the step of the method for the composition.Therefore, it is able to carry out if there is various other steps, it should be appreciated that these are another The combination that outer step is respectively capable of specific embodiment in this way or embodiment carries out.
The connection atom that the present invention uses can connect two groups, for example, N and C group.The connection atom can be optional Ground (if valence link permission) has the chemical part of other attachments.For example, on the one hand, oxygen will not have any other chemistry Group attachment, has been satisfied because being once bonded to two atoms (for example, N or C) valence link.On the contrary, when carbon is connection atom When, two other chemical parts can be attached to the carbon atom.Suitable chemical part includes but is not limited to hydrogen, hydroxyl, alkane Base, alkoxy ,=0, halogen, nitro, amine, amide, mercapto, aryl, heteroaryl, naphthenic base and heterocycle.
Terminology used in the present invention " cyclic structure " or similar terms refer to any cyclic annular chemical structure comprising but it is unlimited In aryl, heteroaryl, naphthenic base, cycloalkenyl, heterocycle, Cabbeen and N- heterocycle carbine.
The substituent group of " substituted " the expected all permissions comprising organic compound of terminology used in the present invention.In wide side Face, the substituent group of permission include acyclic and cyclic annular, branching and non-branching, carbocyclic ring the and heterocycle of organic compound, and Aromatics and non-aromatic substituents.Those of illustrative substituent group includes, for example, be described below.For suitable organic compound For object, the substituent group of permission can be one or more, same or different.For the purposes of the present invention, hetero atom (example Such as nitrogen) can have hydrogen substituent group and/or organic compound of the present invention any permission substituent group, it is miscellaneous to meet this The valence link of atom.The disclosure is not intended to carry out any restrictions with the substituent group that organic compound allows in any way.Equally, Term " substitution " or " substitution has " include the valences that Implicit Conditions are the permission that this substitution meets substituted atom He the substituent group Key and the substitution cause stable compound (for example, (such as by rearrangement, cyclisation, cancellation etc.) will not be converted spontaneously Compound).It is also contemplated that in some aspects, unless clearly pointing out on the contrary, otherwise, individual substituent group can be further It is optionally to replace (that is, being further substituted or unsubstituted).
When defining various terms, " R1”、“R2”、“R3" and " R4" it is used as total symbol in the present invention to indicate various Specific substituent group.These symbols can be any substituent group, be not limited to those of present disclosure, and work as them in one kind In the case of when being limited to certain substituent groups, they can be limited to some other substituent groups in other cases.
Terminology used in the present invention " alkyl " is the alkyl of the saturation of branching or nonbranched 1 to 24 carbon atom, example Such as methyl, ethyl, n-propyl, isopropyl, normal-butyl, isobutyl group, sec-butyl, tert-butyl, n-pentyl, isopentyl, sec-amyl, newly Amyl, hexyl, heptyl, half base, nonyl, decyl, dodecyl, myristyl, cetyl, eicosyl, tetracosyl Deng.The alkyl can be cyclic annular or acyclic.The alkyl can be branching or non-branching.The alkyl can also be substituted or unsubstituted 's.For example, the alkyl may replace one or more groups, the alkyl including but not limited to of the present invention optionally replaced, Naphthenic base, alkoxy, amino, ether, halogen, hydroxyl, nitro, silicyl, sulphur-oxo (Sulfo-OXO) or mercapto.It is " low Grade alkyl " group is the alkyl containing 1 to 6 (such as 1 to 4) carbon atom.
Throughout the specification, " alkyl " is commonly used in while referring to unsubstituted alkyl and replace alkyl;But replace alkane Base is also specifically referred to by determining the specific substituent group on alkyl in the present invention.For example, term " alkyl of halogenation " Or " halogenated alkyl " specifically refers to replace one or more halogens (for example, fluorine, chlorine, bromine or iodine) alkyl.Term " alkoxyalkyl " specifically refers to replace the alkyl for having one or more alkoxies, as described below.Term " alkyl amino " tool Refer to body that substitution has the alkyl of one or more amino, as described below, etc..When in oneainstance use " alkyl " and another When in one situation using specific nomenclature such as " alkylol ", it is not intended to imply that the term " alkyl " does not refer to specific art simultaneously Language such as " alkylol ".
This practice is also used for other groups of the present invention.That is, when term such as " naphthenic base " while referring to unsubstituted When with substituted cycloalkyl moiety, in addition which can specifically determine in the present invention;For example, the ring specifically replaced Alkyl can be described as such as " alkyl-cycloalkyl ".Similar, substituted alkoxy can be particularly referred to as such as " alkoxy of halogenation ", Specific substituted alkenyl can be such as " enol " etc..Similarly, using total term such as " naphthenic base " and specific nomenclature such as " alkane The practice of basic ring alkyl " is not intended to imply total term not simultaneously comprising the concrete term.
Terminology used in the present invention " naphthenic base " is the non-aromatic ring based on carbon being made of at least three carbon atoms.Cycloalkanes The example of base includes but is not limited to cyclopropyl, cyclobutyl, cyclopenta, cyclohexyl, cyclononyl, etc..Term " Heterocyclylalkyl " is one Class naphthenic base as defined above, and be included in the meaning of term " naphthenic base ", wherein at least one ring carbon atom is by miscellaneous original Son is such as, but not limited to nitrogen, oxygen, and sulphur or phosphorus replace.The naphthenic base and Heterocyclylalkyl can be substituted or unsubstituted.The naphthenic base It may replace one or more groups with Heterocyclylalkyl, alkyl including but not limited to as described in the present invention, naphthenic base, alcoxyl Base, amino, ether, halogen, hydroxyl, nitro, silicyl, sulphur-oxo (sulfo-oxo) or mercapto.
Term " polyolefin group " its used for this invention be used to refer to generation containing two or more CH2It group and is connected to Other same part." polyolefin group " can be expressed as-(CH2)a, wherein " a " is integer 2 to 500.
Term " alkoxy " and " alkoxy base ", it is used for this invention to be used to refer to for the alkane being bonded by ether linker Base or naphthenic base;That is, " alkoxy " may be defined as-OR1, wherein R1It is alkyl or cycloalkyl as defined above." alkoxy " Polymer comprising the alkoxy just described;That is, alkoxy can be polyethers such as-OR1-OR2Or-OR1-(OR2)a-OR3, Wherein " a " is integer 1 to 200, and R1、R2And R3It is each independently alkyl, naphthenic base or combinations thereof.
Terminology used in the present invention " alkenyl " is the alkyl of 2 to 24 carbon atoms, and structural formula contains at least one carbon-to-carbon Double bond.Dissymmetrical structure such as (R1R2) C=C (R3R4) it is intended to encompass E and Z isomers.This can be estimated in structural formula of the invention In, wherein there are unsymmetrical alkenes or it can be explicitly indicated that by keysym C=C.The alkenyl may replace one or more Group, alkyl including but not limited to of the present invention, naphthenic base, alkoxy, alkenyl, cycloalkenyl, alkynyl, cycloalkynyl radical, aryl, Heteroaryl, aldehyde, amino, carboxylic acid, ester, ether, halogen, hydroxyl, ketone, azido, nitro, silicyl, sulfenyl-oxo (sulfo- ) or mercapto oxo.
Terminology used in the present invention " cycloalkenyl " is the non-aromatic ring based on carbon, is made of at least three carbon atom, and And contain at least one carbon-carbon double bond, that is, C=C.The example of cycloalkenyl includes but is not limited to cyclopropanyl, cyclobutane base, ring penta Alkenyl, cyclopentadienyl group, cyclohexenyl group, cyclohexadienyl, norbornene (norbornenyl), etc..Term " heterocycloalkenyl " It is a kind of cycloalkenyl as defined above, and is included in the meaning of term " cycloalkenyl ", wherein at least one carbon of the ring is former Son is such as, but not limited to nitrogen, oxygen, sulphur or phosphorus with hetero atom and replaces.Cycloalkenyl and heterocycloalkenyl can be substituted or unsubstituted.It should Cycloalkenyl and heterocycloalkenyl may replace one or more groups, alkyl including but not limited to of the present invention, naphthenic base, alkane Oxygroup, alkenyl, cycloalkenyl, alkynyl, cycloalkynyl radical, aryl, heteroaryl, aldehyde, amino, carboxylic acid, ester, ether, halogen, hydroxyl, ketone, nitrine Base, nitro, silicyl, sulfenyl-oxo (sulfo-oxo) or mercapto.
Terminology used in the present invention " alkynyl " is the alkyl with 2 to 24 carbon atoms, has and contains at least one carbon- The structural formula of three key of carbon.Alkynyl can be it is unsubstituted or replace and have one or more group, the group includes but unlimited In alkyl of the present invention, naphthenic base, alkoxy, alkenyl, cycloalkenyl, alkynyl, cycloalkynyl radical, aryl, heteroaryl, aldehyde, amino, Carboxylic acid, ester, ether, halogen, hydroxyl, ketone, azido, nitro, silicyl, sulfenyl-oxo (sulfo-oxo) or mercapto.
Terminology used in the present invention " cycloalkynyl radical " is the non-aromatic ring based on carbon, it includes at least seven carbon atoms and is contained There is at least one carbon-carbon triple bond.The example of cycloalkynyl radical includes but is not limited to cycloheptyl alkynyl, cyclooctyne base, cyclonoyne base etc..Term " heterocycle alkynyl " is a type of cycloalkenyl as defined above, and is included in the meaning of term " cycloalkynyl radical ", wherein At least one of the carbon atom of the ring is substituted by hetero atom, and the hetero atom is such as, but not limited to nitrogen, oxygen, sulphur or phosphorus. Cycloalkynyl radical and heterocycle alkynyl can be substituted or unsubstituted.Cycloalkynyl radical and heterocycle alkynyl may replace one or more group, The group includes but is not limited to alkyl of the present invention, naphthenic base, alkoxy, alkenyl, cycloalkenyl, alkynyl, cycloalkynyl radical, virtue Base, heteroaryl, aldehyde, amino, carboxylic acid, ester, ether, halogen, hydroxyl, ketone, azido, nitro, silicyl, sulfenyl-oxo (sulfo-oxo) or mercapto.
Terminology used in the present invention " aryl " is the group containing any aromatic group based on carbon, the virtue based on carbon Race's group includes but is not limited to benzene, naphthalene, phenyl, biphenyl, phenoxy group benzene etc..Term " aryl " also includes " heteroaryl ", is determined Justice is the group containing aromatic group, and there is the aromatic group at least one to introduce the hetero atom in the ring of aromatic group.It is miscellaneous The example of atom includes but is not limited to nitrogen, oxygen, sulphur and phosphorus.Equally, (it is also included within term " aryl " to term " non-heteroaryl " In) group containing aromatic group is defined, the aromatic group is free of hetero atom.Aryl can be substituted or unsubstituted.Virtue Base may replace one or more group, and the group includes but is not limited to alkyl of the present invention, naphthenic base, alcoxyl Base, alkenyl, cycloalkenyl, alkynyl, cycloalkynyl radical, aryl, heteroaryl, aldehyde group, amino, carboxylic acid group, ester group, ether group, halogen Element, hydroxyl, ketone groups, azido, nitro, silicyl, sulphur-oxo group or sulfydryl.Term " biaryl (biaryl) " It is certain types of aryl and is included in the definition of " aryl ".Biaryl refers to combined through condensed ring structure Two aryl, as in naphthalene, or two aryl being keyed through one or more carbon-to-carbon, as in biphenyl.
Terminology used in the present invention " aldehyde " is indicated by formula-C (O) H.Throughout the specification, " C (O) " is carbonyl (that is, C =O) shorthand.
Terminology used in the present invention " amine " or " amino " pass through formula-NR1R2It indicates, wherein R1And R2Can it is independent from hydrogen, It is selected in alkyl, naphthenic base, alkenyl, cycloalkenyl, alkynyl, cycloalkynyl radical, aryl or heteroaryl.
Terminology used in the present invention " alkyl amino " indicates that wherein alkyl is as described herein by formula-NH (- alkyl). Representative example includes but is not limited to methylamino, ethylamino, propylcarbamic, isopropylamino, butylamino, isobutyl group ammonia Base, (sec-butyl) amino, (tert-butyl) amino, pentyl amino, isoamylamino, (tertiary pentyl) amino, hexylamino etc..
Terminology used in the present invention " dialkyl amido " passes through formula-N (_ alkyl)2It indicates, wherein alkyl such as institute of the present invention It states.Representative example includes but is not limited to dimethylamino, diethylamino, dipropylamino, diisopropylaminoethyl, dibutyl Amino, diisobutylamino, two (sec-butyl) amino, two (tert-butyl) amino, dipentylamino, diisoamyl amino, two (uncles Amyl) amino, dihexyl amino, N- ethyl-N-methylamino, N- methyl-N-propylamino, N- ethyl-N- propylcarbamic etc..
Terminology used in the present invention " carboxylic acid " is indicated by formula-C (O) OH.
Terminology used in the present invention " ester " passes through formula-OC (O) R1Or-C (O) OR1It indicates, wherein R1 can be institute of the present invention Alkyl, naphthenic base, alkenyl, cycloalkenyl, alkynyl, cycloalkynyl radical, aryl or the heteroaryl stated.Terminology used in the present invention is " poly- Ester " passes through formula-(R1O(O)C-R2-C(O)O)aOr-(R1O(O)C-R2-OC(O))aIt indicates, wherein R1And R2It can independently be Alkyl, naphthenic base, alkenyl, cycloalkenyl, alkynyl, cycloalkynyl radical, aryl or heteroaryl of the present invention and " a " be 1 to 500 integer.The compound and there are at least two hydroxyls that term " polyester " is used to describe by at least two carboxyls The group that reaction between compound generates.
Terminology used in the present invention " ether " passes through formula R1OR2It indicates, wherein R1And R2Alkane of the present invention can independently be Base, naphthenic base, alkenyl, cycloalkenyl, alkynyl, cycloalkynyl radical, aryl or heteroaryl.Terminology used in the present invention " polyethers " passes through Formula-(R1O-R2O)aIt indicates, wherein R1And R2Alkyl of the present invention, naphthenic base, alkenyl, cycloalkenyl, alkynes can independently be The integer that base, cycloalkynyl radical, aryl or heteroaryl and " a " are 1 to 500.The example of polyether group include polyethylene glycol oxide, Polypropylene oxide and polyoxybutylene.
Terminology used in the present invention " halogen " refers to halogens fluorine, chlorine, bromine and iodine.
Terminology used in the present invention " heterocycle " refers to monocycle and polycyclic non-aromatic ring system, and the present invention uses " heteroaryl " refers to monocycle and polycyclic aromatics ring system: at least one of its ring members are not carbon.The term includes nitrogen Azetidinyl, dioxanes base, furyl, imidazole radicals, isothiazolyl, isoxazolyl, morpholinyl, oxazolyl including 1,2,3- Oxadiazoles base, 1,2,5- oxadiazoles bases and 1, the oxazolyls of 3,4- oxadiazoles bases, piperazinyl, piperidyl, pyrazinyl, pyrazolyl, Pyridazinyl, pyridyl group, pyrimidine radicals, pyrrole radicals, pyrrolidinyl, tetrahydrofuran base, THP trtrahydropyranyl including 1,2,4,5- tetrazine bases Tetrazine base including 1,2,3,4- tetrazole radicals and 1, the tetrazole radical of 2,4,5- tetrazole radicals including 1,2,3- thiadiazolyl groups, 1,2,5- Thiadiazolyl group and 1, thiadiazolyl group, thiazolyl, thienyl including the 1,3,5-triazines base and 1 of 3,4- thiadiazolyl groups, 2,4- triazines The triazine radical including 1,2,3-triazoles base and 1 of base, the triazolyl etc. of 3,4- triazolyls.
Terminology used in the present invention " hydroxyl " is indicated by formula-OH.
Terminology used in the present invention " ketone " passes through formula R1C(O)R2It indicates, wherein R1And R2It can independently be of the present invention Alkyl, naphthenic base, alkenyl, cycloalkenyl, alkynyl, cycloalkynyl radical, aryl or heteroaryl.
Terminology used in the present invention " azido " passes through formula-N3It indicates.
Terminology used in the present invention " nitro " passes through formula-NO2It indicates.
Terminology used in the present invention " nitrile " is indicated by formula-CN.
Terminology used in the present invention " silicyl " passes through formula-SiR1R2R3It indicates, wherein R1、R2And R3It can independently be Hydrogen perhaps alkyl of the present invention, naphthenic base, alkoxy, alkenyl, cycloalkenyl, alkynyl, cycloalkynyl radical, aryl or heteroaryl.
Terminology used in the present invention " sulphur-oxo group " passes through formula-S (O) R1、-S(O)2R1、-OS(O)2R1Or-OS (O )2OR1It indicates, wherein R1It can be hydrogen or alkyl of the present invention, naphthenic base, alkenyl, cycloalkenyl, alkynyl, cycloalkynyl radical, virtue Base or heteroaryl.Throughout the specification, " S (O) " is the shorthand of S=O.Terminology used in the present invention " sulfonyl " Refer to through formula-S (O)2R1Sulphur-oxo group of expression, wherein R1It can be alkyl, naphthenic base, alkenyl, cycloalkenyl, alkynyl, ring Alkynyl, aryl or heteroaryl.Terminology used in the present invention " sulfone " passes through formula R1S(O)2R2It indicates, wherein R1And R2It can be independently For alkyl of the present invention, naphthenic base, alkenyl, cycloalkenyl, alkynyl, cycloalkynyl radical, aryl or heteroaryl.The present invention uses Term " sulfoxide " pass through formula R1S(O)R2It indicates, wherein R1And R2Alkyl of the present invention, naphthenic base, alkene can independently be Base, cycloalkenyl, alkynyl, cycloalkynyl radical, aryl or heteroaryl.
Terminology used in the present invention " sulfydryl " is indicated by formula-SH
" the R that the present invention uses1”、“R2”、“R3”、“Rn" (wherein n be integer) can independently have above-named group In one or more.For example, if R1For straight chained alkyl, then a hydrogen atom of alkyl can be optionally substituted with hydroxyl, Alkoxy, alkyl, halogen etc..Depending on the group of selection, the first group be may be incorporated in the second group, or selectively, First group, which can be hung, is connected to the second group.For example, amino may be incorporated in alkyl for phrase " wrapping amino-containing alkyl " Main chain in.Selectively, amino can be connected to the main chain of alkyl.The property of selected group may determine whether that the first group is embedded in Or it is connected to the second group.
Compound of the present invention contains " optionally replacing " part.In general, term " substituted " (no matter be in front It is no that there are term " optional ") mean the substituent group substitution that one or more hydrogen for the part pointed out is suitble to.Unless separately making Illustrate, otherwise " optionally replacing " group that can may replace position in each of group has suitable substituent group, and when in office When more than one position may replace the substituent group for having more than one selected from specified group in the structure what is provided, in each position Substituent group can be same or different.It is contemplated by the invention that substituent group combination preferably form stable or chemically feasibleization Close those of object.In some aspects, unless clearly opposite instruction, otherwise also covers, each substituent group can further appoint Choosing is substituted (that is, be further substituted with or unsubstituted).
The structure of compound can be indicated by following formula:
It is understood to be equal to following formula:
Wherein n is usually integer.That is, RnIt is understood to mean five individual substituent Rsn(a)、Rn(b)、Rn(c)、Rn(d)、Rn (e)." individual substituent group " refers to that each R substituent can be limited independently.For example, if in a situation Rn(a)For halogen, So in this case Rn(b)It is not necessarily halogen.
R is referred to for several times in disclosed by the invention and description chemical structure and part1、R2、R3、R4、R5、R6Deng.It is saying R in bright book1、R2、R3、R4、R5、R6Deng any description be respectively suitable for reference R1、R2、R3、R4、R5、R6Deng any structure or Person part, unless otherwise mentioned.
Due to many reasons, become more more and more urgent using the opto-electronic device of organic material.For manufacturing this device Many materials it is relatively cheap, therefore organic photoelectric device have inorganic device cost advantage potentiality.In addition, organic material Inherent characteristic, such as their flexibility, the special applications such as manufacture that them can be made to be very suitable on a flexible substrate. The example of organic optoelectronic device includes organic luminescent device (OLED), organic photoelectric transistor, organic photovoltaic battery and organic Photodetector.For OLED, organic material may have the feature performance benefit better than conventional material.For example, organic luminous layer is sent out The wavelength of light can usually be tuned with dopant appropriate.
Exciton decays to ground state from singlet excited to generate and shine immediately, is fluorescence.If exciton is from triple excitations It is luminous to generate that state decays to ground state, this is phosphorescence.Since heavy metal atom is strong between singlet and triplet excited states Quantum geometrical phase, effectively enhance be between pass through (ISC), so phosphorescent metal complex (such as platinum complex) is rendered Its potentiality for utilizing singlet and triplet excitons simultaneously out, realize 100% internal quantum.Therefore, phosphorescent metal cooperates Object is the good selection of the dopant in the emission layer of organic luminescent device (OLED), and in academic and industrial circle Obtain great concern.In the past decade, many achievements are had been achieved for, so as to cause the profitable of the technology Commercialization, for example, OLED has been used for smart phone, the sophisticated display of TV and digital camera.
However, so far, blue electroluminescent devices are still field most challenging in the technology, blue device Stability be the big problem of one.It has been proved that the selection of material of main part is extremely important to the stability of blue device.But Triplet excited state (T1) minimum energy of blue emitting material is very high, it means that the triple of the material of main part of blue device swash Sending out state (T1) minimum energy should be higher.This causes the exploitation difficulty of the material of main part of blue equipment to increase.
Metal complex of the invention can be customized or be tuned to be desired to have the specific of particular transmission or absorption characteristic Using.It can be adjusted by changing the structure of the ligand around metal center or changing the structure of the fluorescent illuminant on ligand The optical property of metal complex disclosed by the invention.For example, in transmitting and absorption spectrum, matching with electron substituent group The metal complex or electron-withdrawing substituent of body can usually show different optical properties.It can be by modifying fluorescence radiation Conjugation group on body and ligand adjusts the color of metal complex.
The transmitting of complex of the invention can be adjusted for example by changing ligand or fluorescent illuminant structure, such as from Ultraviolet light is to near-infrared.Fluorescent illuminant is one group of atom in organic molecule, and energy can be absorbed to generate singlet state and swash State is sent out, substance exciton decays rapidly to generate and shine immediately.On the one hand, complex of the invention can provide most of visible spectrum Transmitting.In specific example, complex of the invention can shine in the range of about 400nm to about 700nm.Another party Face, complex of the invention have improved stability and efficiency relative to traditional transmitting complex.In addition, of the invention matches Closing object can be used as such as biologic applications, anticancer agent, the luminous mark of emitter in Organic Light Emitting Diode (OLED) or combinations thereof Note.On the other hand, complex of the invention can be used for luminescent device, such as compact fluorescent lamp (CFL), light emitting diode (LED), incandescent lamp and combinations thereof.
Disclosed herein is compounds or compound complex comprising platinum.Term compound or complex are interchangeable in the present invention It uses.In addition, compound disclosed herein has neutral charge.
Compound disclosed herein can show desired property and have can be by selecting suitable ligand tune The transmitting of section and/or absorption spectrum.On the other hand, the present invention can exclude any one or more ofization specifically described herein Close object, structure or part thereof.
Compound disclosed herein is suitable for various optics and electro-optical device, and including but not limited to light absorption fills It sets, such as solar energy and photosensitive device, Organic Light Emitting Diode (OLEDs), light emitting devices or light absorption and hair can be compatible with The device penetrated and the marker as biologic applications.
As described above, disclosed compound is platinum complex.Meanwhile compound disclosed herein can be used as OLED application Material of main part, such as full-color display.
Compound disclosed herein can be used for various applications.As luminescent material, which can be used for organic light emission two Pole pipe (OLED), light emitting device and display and other luminescent devices.
In addition, the compound in the present invention is for can be improved in luminescent device (such as OLEDs) relative to traditional material The operating time of luminous efficiency and device.
A variety of method preparations can be used in the compound of the present invention, described in embodiment including but not limited to provided herein Those of.
Compound disclosed herein can be the fluorescence and/or phosphorescent emitters of delay.On the one hand, chemical combination disclosed herein Object can be the fluorescent emitter of delay.On the one hand, compound disclosed herein can be phosphorescent emitters.On the other hand, originally Compound disclosed in text can be delayed fluorescence emitter and phosphorescent emitters.
The present invention is related to luminous organic material, includes four flute profile metals of phenyl ring-carbazole and its derivative in the patent Platinum complex, the type complex can be used as phosphorescent light-emitting materials in OLED device, for improving efficiency and the service life of device.
Four ring gear metal platinum complexes disclosed in the embodiment of the present invention based on phenyl carbazole have shown in logical formula (I) Structure:
Wherein: V1、V2、V3And V4It is the atom being connect with Pt, is each independently selected from N atom or C atom, and V1、V2、 V3、V4In include at least 2 N atoms;
Y1、Y2、Y3、Y4、Y5、Y6、Y7、Y8、Y9、Y10、Y11And Y12It is each independently selected from N atom or CH base;
X1And X2Each independently represent N, B, CH, CD, CRa、SiH、SiD、SiRa、GeH、GeD、GeRd, P, P=O, As, As=O, Bi or Bi=O;
Ra、Rb、RcAnd RdIt is each independently hydrogen, deuterium, aryl, naphthenic base, cycloalkenyl, heterocycle, heteroaryl, alkyl, alkene Base, alkynyl, halogen, hydroxyl, sulfydryl, nitro, cyano, amino, list or dialkyl amido, list or ammonia diaryl base, alkoxy, virtue Oxygroup, halogenated alkyl, ester group, itrile group, isonitrile base, heteroaryl, alkoxy carbonyl, acylamino-, alkoxycarbonyl amino, aryloxy group Carbonylamino, sulfuryl amino, sulfamoyl, carbamoyl, alkylthio group, sulfinyl, urea groups, phosphinylidyne amido, imido grpup, Sulfo group, carboxyl, diazanyl, substituted silicyl, polymerization group, or combinations thereof;
R1、R2、R3、R4、R5And R6Each independently represent single base replace, it is biradical replace, three bases replace, four bases replace or It is unsubstituted, and R1、R2、R3、R4、R5And R6Be each independently hydrogen, deuterium, aryl, naphthenic base, cycloalkenyl, heterocycle, heteroaryl, Alkyl, alkenyl, alkynyl, halogen, hydroxyl, sulfydryl, nitro, cyano, amino, list or dialkyl amido, list or ammonia diaryl base, alkane Oxygroup, aryloxy group, halogenated alkyl, ester group, itrile group, isonitrile base, heteroaryl, alkoxy carbonyl, acylamino-, alkoxy carbonyl ammonia Base, aryloxycarbonylamino, sulfuryl amino, sulfamoyl, carbamoyl, alkylthio group, sulfinyl, urea groups, phosphamide Base, imido grpup, sulfo group, carboxyl, diazanyl, substituted silicyl, polymerization group, or combinations thereof;And two or more are adjacent Close R1、R2、R3、R4、R5And R6Respective independence or the property of can choose connect to form condensed ring.
For molecular formula I described in the present invention, its realm may be defined in the following description.
1) V group
Wherein V1、V2、V3、V4It is the atom being connect with Pt, it is respectively independent, it can be N or C, wherein V1、V2、V3、V4In extremely It less include 2 N;
On the one hand, V1And V4For N, V2And V3For C;
On the other hand, V1And V3For N, V2And V4For C;
Furthermore V1And V2For N, V3And V4For C;
2) Y group
Wherein Y1、Y2、Y3、Y4、Y5、Y6、Y7、Y8、Y9、Y10、Y11And Y12It is each independently selected from N and CH base;
Wherein Y1、Y2、Y3、Y4、Y5、Y6、Y7、Y8、Y9、Y10、Y11And Y12It is respectively independent, it can be N;
Wherein Y1、Y2、Y3、Y4、Y5、Y6、Y7、Y8、Y9、Y10、Y11And Y12It is respectively independent, it can be CH base;
4) X group
Wherein X1And X2It can be from N, B, CH, CD, CRa、SiH、SiD、SiRa、GeH、GeD、GeRd, P, P=O, As, As= O, it is selected in Bi Bi=O group;
On the other hand, X1For N, X2For N;
On the other hand, X1For N, X2For B;
On the other hand, X1For B, X2For B;
On the other hand, X1For N, X2For CH;
On the other hand, X1For N, X2For P=O;
On the other hand, X1For N, X2For Bi=O;
On the other hand, X1For N, X2For As=O;
On the other hand, X1For CH, X2For CH;
On the other hand, X1For N, X2For CRa
On the other hand, X1For N, X2For SiRa
5) R group
Wherein, R1In the presence of another aspect R1It is not present.
On the one hand, R1It is monosubstituted, another aspect, R1It is disubstituted;On the other hand, R1It is three substitutions;Furthermore R1It is four Replace;
R simultaneously1From hydrogen, deuterium, aryl, naphthenic base, cycloalkenyl, heterocycle, heteroaryl, alkyl, alkenyl, alkynyl, halogen, hydroxyl Base, sulfydryl, nitro, cyano, amino, list or dialkyl amido, list or ammonia diaryl base, alkoxy, aryloxy group, halogenated alkyl, Ester group, itrile group, isonitrile base, heteroaryl, alkoxy carbonyl, acylamino-, alkoxycarbonyl amino, aryloxycarbonylamino, sulphonyl Base amino, sulfamoyl, carbamoyl, alkylthio group, sulfinyl, urea groups, phosphinylidyne amido, imido grpup, sulfo group, carboxyl, hydrazine Base, substituted silicyl, polymerization group, or combinations thereof in select.
Wherein, R2In the presence of another aspect R2It is not present.
On the one hand, R2It is monosubstituted, another aspect, R2It is disubstituted;On the other hand, R2It is three substitutions;Furthermore R2It is four Replace;
R simultaneously2From hydrogen, deuterium, aryl, naphthenic base, cycloalkenyl, heterocycle, heteroaryl, alkyl, alkenyl, alkynyl, halogen, hydroxyl Base, sulfydryl, nitro, cyano, amino, list or dialkyl amido, list or ammonia diaryl base, alkoxy, aryloxy group, halogenated alkyl, Ester group, itrile group, isonitrile base, heteroaryl, alkoxy carbonyl, acylamino-, alkoxycarbonyl amino, aryloxycarbonylamino, sulphonyl Base amino, sulfamoyl, carbamoyl, alkylthio group, sulfinyl, urea groups, phosphinylidyne amido, imido grpup, sulfo group, carboxyl, hydrazine Base, substituted silicyl, polymerization group, or combinations thereof in select.
Wherein, R3In the presence of another aspect R3It is not present.
On the one hand, R3It is monosubstituted, another aspect, R3It is disubstituted;On the other hand, R3It is three substitutions;Furthermore R3It is four Replace;
R simultaneously3From hydrogen, deuterium, aryl, naphthenic base, cycloalkenyl, heterocycle, heteroaryl, alkyl, alkenyl, alkynyl, halogen, hydroxyl Base, sulfydryl, nitro, cyano, amino, list or dialkyl amido, list or ammonia diaryl base, alkoxy, aryloxy group, halogenated alkyl, Ester group, itrile group, isonitrile base, heteroaryl, alkoxy carbonyl, acylamino-, alkoxycarbonyl amino, aryloxycarbonylamino, sulphonyl Base amino, sulfamoyl, carbamoyl, alkylthio group, sulfinyl, urea groups, phosphinylidyne amido, imido grpup, sulfo group, carboxyl, hydrazine Base, substituted silicyl, polymerization group, or combinations thereof in select.
Wherein, R4In the presence of another aspect R4It is not present.
On the one hand, R4It is monosubstituted, another aspect, R4It is disubstituted;
R4 is from hydrogen, deuterium, aryl, naphthenic base, cycloalkenyl, heterocycle, heteroaryl, alkyl, alkenyl, alkynyl, halogen, hydroxyl simultaneously Base, sulfydryl, nitro, cyano, amino, list or dialkyl amido, list or ammonia diaryl base, alkoxy, aryloxy group, halogenated alkyl, Ester group, itrile group, isonitrile base, heteroaryl, alkoxy carbonyl, acylamino-, alkoxycarbonyl amino, aryloxycarbonylamino, sulphonyl Base amino, sulfamoyl, carbamoyl, alkylthio group, sulfinyl, urea groups, phosphinylidyne amido, imido grpup, sulfo group, carboxyl, hydrazine Base, substituted silicyl, polymerization group, or combinations thereof in select.
Wherein, R5In the presence of another aspect R5It is not present..
On the one hand, R5It is monosubstituted, another aspect, R5It is disubstituted;
R simultaneously5From hydrogen, deuterium, aryl, naphthenic base, cycloalkenyl, heterocycle, heteroaryl, alkyl, alkenyl, alkynyl, halogen, hydroxyl Base, sulfydryl, nitro, cyano, amino, list or dialkyl amido, list or ammonia diaryl base, alkoxy, aryloxy group, halogenated alkyl, Ester group, itrile group, isonitrile base, heteroaryl, alkoxy carbonyl, acylamino-, alkoxycarbonyl amino, aryloxycarbonylamino, sulphonyl Base amino, sulfamoyl, carbamoyl, alkylthio group, sulfinyl, urea groups, phosphinylidyne amido, imido grpup, sulfo group, carboxyl, hydrazine Base, substituted silicyl, polymerization group, or combinations thereof in select.
On the one hand, R6It is monosubstituted, another aspect, R5It is disubstituted;
R simultaneously6From hydrogen, deuterium, aryl, naphthenic base, cycloalkenyl, heterocycle, heteroaryl, alkyl, alkenyl, alkynyl, halogen, hydroxyl Base, sulfydryl, nitro, cyano, amino, list or dialkyl amido, list or ammonia diaryl base, alkoxy, aryloxy group, halogenated alkyl, Ester group, itrile group, isonitrile base, heteroaryl, alkoxy carbonyl, acylamino-, alkoxycarbonyl amino, aryloxycarbonylamino, sulphonyl Base amino, sulfamoyl, carbamoyl, alkylthio group, sulfinyl, urea groups, phosphinylidyne amido, imido grpup, sulfo group, carboxyl, hydrazine Base, substituted silicyl, polymerization group, or combinations thereof in select.
Exemplary compounds
On the one hand, any four ring gears metal platinum complex reported for the present invention may include under one or more State structure.In addition, metal platinum complex also may include other structures or part, no longer specifically specially enumerate herein, meanwhile, The protection scope of present invention is not limited to that structure and part cited in patent.
In an embodiment of the present invention, the provided four ring gear metal platinum complexes based on phenyl carbazole have neutral electricity Lotus.
In an embodiment of the present invention, the four ring gear metal platinum complexes based on phenyl carbazole are additionally provided in electroluminescent Application in device.It is also disclosed in the embodiment of the present invention including the device of one or more in compound disclosed herein, Including full-color display, photovoltaic device, light-emitting display device, Organic Light Emitting Diode, phosphorescence Organic Light Emitting Diode etc..In device In part environment, the four ring gear metal platinum complexes based on phenyl carbazole have 100% internal quantum.
Compound disclosed in embodiments of the present invention is suitable for various optics and electro-optical device, including but not It is limited to light absorption device as solar energy and photo sensitive device, Organic Light Emitting Diode (OLEDs), light emitting devices or existing Light absorption has the device of photoemissivity and the marker as biologic applications again.
Compound provided by embodiments of the present invention can be in the luminescent device of one kind such as OLED etc, device Including at least one cathode, at least one anode and at least one layer of luminescent layer, at least one layer in the luminescent layer includes above-mentioned The four ring gear metal platinum complexes based on phenyl carbazole.Specifically, luminescent device may include being sequentially depositing the sun to be formed Pole, hole transmission layer, luminescent layer, electron transfer layer and cathode.Its hole-transporting layer, luminescent layer, electron transfer layer are to have Machine layer, anode and cathode be electrically connected.
Synthetic example
Example below in relation to compound synthesis, ingredient, article, device or method is to provide to the sector field One general method is not meant to limit the protection scope of the patent for data (quantity, the temperature mentioned in patent Deng) guarantee as far as possible accurately, it is also possible to can have some errors and mistake.It unless otherwise indicated, is otherwise all to separate title Weight, temperature is DEG C or room temperature, pressure are close to normal pressure.
The preparation method of noval chemical compound is provided in following examples, but the preparation of such compound is not only restricted to this side Method.In the professional skill field, since the compound protected in this patent is easy to modify preparation, preparation can To use following cited method or adopt with other methods.Following example is only used as embodiment, is not limited to The protection scope of the patent.Temperature, catalyst, concentration, reactant and reaction process can change, for different anti- Object is answered, different condition is selected to prepare the compound.
1H NMR(500MHz)、13C NMR (126MHz) spectrum is surveyed on ANANCE III (500M) type nuclear magnetic resonance chemical analyser It is fixed;Unless otherwise instructed, nuclear-magnetism uses DMSO-d6Or the CDCl containing 0.1%TMS3Solvent is made, wherein1If H H NMR spectroscopy with CDCl3When making solvent, using TMS (δ=0.00ppm) as internal standard;With DMSO-d6When making solvent, with TMS (δ=0.00ppm) or The residual peak DMSO (δ=2.50ppm) or residual water peak (δ=3.33ppm) do internal standard.13In C H NMR spectroscopy, with CDCl3(δ= 77.00ppm) or DMSO-d6(δ=39.52ppm) is used as internal standard.HPLC-MSAgilent 6210TOF LC/MS type mass spectrum It is measured on instrument;HRMS spectrum measures on Agilent 6210TOF LC/MS type sewage sludge instrument.1H NMR In spectral data: s=singlet, d=doublet, t=triplet, q=quartet, p=quintet, m= Multiplet, br=broad.
Synthetic route
General synthetic procedure is as follows:
Embodiment 1
Pt 1 can be prepared according to following methods
The synthesis of 1-Br: 2- bromine carbazole is sequentially added into the drying there-necked flask with reflux condensing tube and magnetic rotor (14.77g, 60.00mmol, 1.0eq), stannous chloride (60.0mg, 0.60mmol, 0.01eq), tert-butyl alcohol lithium (7.21g, 90.00mmol, 1.5eq), it substitutes nitrogen three times, 2- bromopyridine (8.58mL, 90.00mmol, 1.5eq) then is added, 1- methyl Imidazoles (95.1 μ L, 1.20mmol, 0.02eq) and toluene (240mL).Reaction mixture is stirred at reflux 5.0 hours at 130 DEG C. Saturated sodium bisulfite solution 100mL is quenched, and filtering, ethyl acetate sufficiently washs insoluble matter, separates the organic phase in mother liquor, water phase It is extracted 3 times using 100mL ethyl acetate, merges organic phase, 50mL washing, filtering, anhydrous sodium sulfate is dry, and vacuum distillation removes Solvent.Gained crude product is isolated and purified into (petroleum ether: methylene chloride=40mL:5mL) by recrystallization, obtains white solid 16.77g yield 87%.1H NMR(500MHz,CDCl3): δ 7.31-7.34 (m, 2H), 7.42 (dd, J=8.0,1.5Hz, 1H), 7.44-7.47 (m, 1H), 7.61 (d, J=8.5Hz, 1H), 7.77 (d, J=8.0Hz, 1H), 7.93-7.96 (m, 2H), 8.01 (d, J=1.5Hz, 1H), 8.08 (d, J=7.5Hz, 1H), 8.73 (d, J=5.0,1.5Hz, 1H)
1-B(OR)2Synthesis: to magnetic rotor dry reaction bottle in sequentially add the bromo- 9- of 2- (2- pyridine)- 9H- carbazole 1-Br (3.20g, 10.0mmol, 1.0eq), connection boric acid pinacol ester (2.60g, 11.0mmol, 1.1eq), PdCl2 (dppf).CH2Cl2(245.0mg, 0.30mmol, 0.03eq), potassium acetate (2.94g, 30.0mmol, 3.0eq).Substitute nitrogen three It is secondary, dimethyl sulfoxide (20mL) then is added.It is subsequently placed in 80 DEG C of oil baths and reacts 3 days.It is cooled to room temperature, 200mL second is added Acetoacetic ester dilution, filters, and 50mL water, liquid separation is added, and ethyl acetate aqueous phase extracted three times, merges organic phase, and anhydrous sodium sulfate is dry Dry organic phase, filtering, vacuum distillation remove solvent, and gained crude product is passed through silica gel column chromatogram separating purification, eluent (petroleum Ether/ethyl acetate=10:1-4:1), white solid is obtained, 1.0mL ethyl acetate, 20mL petroleum ether room temperature mashing 24 is then added Hour, filter to obtain white solid 1-B (OR)2, 2.46g, yield 68%.1H NMR(500MHz,DMSO-d6):δ1.31(s, 12H), 7.33-7.36 (m, 1H), 7.49-7.54 (m, 2H), 7.65 (dd, J=8.0,1.0Hz, 1H), 7.74 (d, J= 8.0Hz, 1H), 7.79 (d, J=8.0Hz, 1H), 8.05 (s, 1H), 8.17 (td, J=8.0,2.0Hz, 1H), 8.26 (dd, J= 7.5,0.5Hz, 1H), 8.29 (d, J=7.5Hz, 1H), 8.78 (ddd, J=4.5,1.5,0.5Hz, 1H)
The synthesis of 2-Br: 9H- pyrido [2,3b] indoles is sequentially added into the dry reaction pipe with magnetic rotor (2.52g, 15.0mmol, 1.0eq), CuI (285.7mg, 1.5mmol, 0.01eq), L-Proline (345.4mg, 3.0mmol, 0.02eq) and K2CO3(4.15g,30.0mmol,2.0eq).Substitute nitrogen three times, then be added the bromo- iodobenzene of 3- (2.40mL, 18.0mmol, 1.2eq) and solvent dimethyl sulfoxide (15mL).Reaction mixture is placed in 120 DEG C of oil baths and reacts 3.5 days.It is cooled to Room temperature is added the dilution of 100mL ethyl acetate, suction filtered through kieselguhr, and is sufficiently cleaned with ethyl acetate, and 50mL water, liquid separation, second is added Acetoacetic ester aqueous phase extracted three times, merges organic phase, the dry organic phase of anhydrous sodium sulfate, filtering, vacuum distillation removes solvent, by institute Crude product is obtained by silica gel column chromatogram separating purification, eluent (petroleum ether/methylene chloride=1:1-1:2) obtains white solid 2-Br 2.78g, yield 57%.Product is directly used in the synthesis of next step.
The synthesis of L1: 9- (3- bromophenyl) -9H- pyrido [2,3b] is sequentially added to having in magnetic rotor dry reaction Indoles 2-Br (168.9mg, 0.52mmol, 1.0eq), 2- (2- (4,4,5,5- tetramethyls -1,3,2- dioxy boron pentyl)) -9- (2- pyridyl group) -9H- carbazole 1-B (OR)2(212.8mg, 0.57mmol, 1.1eq), Pd (PPh3)4(18.0mg,0.02mmol, 0.03eq),K2CO3(107.6mg, 0.78mmol, 1.5eq).It substitutes nitrogen three times, toluene (4.0mL) then is added, ethyl alcohol (1.0mL) and water (1.0mL).Then drum nitrogen 15 minutes, mixture are placed in 100 DEG C of oil baths and react 3 days.It is cooled to room temperature, subtracts Solvent is distilled off in pressure, and gained crude product is passed through silica gel column chromatogram separating purification, eluent (petrol ether/ethyl acetate=10:1- 5:1), white solid 261.2mg (ligand L 1), yield 75% are obtained.
The synthesis of Pt1: to sequentially add in magnetic rotor dry reaction pipe ligand L 1 (97.2mg, 0.20mmol, 1.0eq), K2PtCl4(91.4mg, 0.22mmol, 1.1eq),nBu4NBr (6.4mg, 0.02mmol, 0.1eq).Substitute nitrogen three It is secondary, acetic acid (12.0mL) and water (0.4mL) is then added.After stirring 12h under room temperature, it is placed in 120 DEG C of oil baths and reacts 3 days.It is cooling To room temperature, vacuum distillation removes solvent, and gained crude product is passed through silica gel column chromatogram separating purification, eluent (petroleum ether/dichloromethane Alkane=3:1-1:1), obtain yellow solid 20.8mg, yield 31%.1H NMR(500MHz,DMSO-d6):δ7.08-7.11(m, 1H), 7.24-7.27 (m, 1H), 7.32-7.33 (m, 1H), 7.36-7.39 (m, 1H), 7.42 (d, J=8.0Hz, 1H), 7.47- 7.51 (m, 1H), 7.53 (dd, J=8.0,1.0Hz, 1H), 7.63-7.66 (m, 3H), 7.70-7.73 (m, 1H), 8.06 (d, J =8.5Hz, 1H), 8.13 (dd, J=8.0,0.5Hz, 1H), 8.16-8.19 (m, 1H), 8.30 (t, J=9.0Hz, 2H), 8.48 (dd, J=7.5,0.5Hz, 1H), 8.56 (dd, J=6.0,1.5Hz, 1H), 8.89 (dd, J=6.0,1.0Hz, 1H), 9.06 (dd, J=7.5,1.5Hz, 1H) .HRMS (ESI): theoretical value C34H21N4Pt[M+H]+680.1408 experiment value 680.1411.
Embodiment 2
Pt 3 can be prepared according to following methods
1-B(OR)2The synthesis of-Me: the bromo- 9- of 2- (2- (4- picoline is sequentially added to having in magnetic rotor reaction tube Base)) -9H- carbazole 1-Br-Me (2.0g, 5.9mmol, 1.0eq), connection boric acid pinacol ester (1.65g, 6.5mmol, 1.1eq), PdCl2(dppf).CH2Cl2(144.5mg, 0.18mmol, 0.03eq), potassium acetate (1.74g, 17.7mmol, 3.0eq).It substitutes Three times, dimethyl sulfoxide (10mL) then is added in nitrogen.80 DEG C of oil baths are subsequently placed to react 3 days.It is cooled to room temperature, is added The dilution of 100mL ethyl acetate, filters, and 50mL water, liquid separation is added, and ethyl acetate aqueous phase extracted three times, merges organic phase, anhydrous sulphur The dry organic phase of sour sodium, filtering, vacuum distillation remove solvent, and gained crude product is passed through silica gel column chromatogram separating purification, eluent (petrol ether/ethyl acetate=10:1-5:1) obtains white solid 2.06g, yield 91%.
The synthesis of L3: to sequentially add in magnetic rotor dry reaction pipe 2- (2- (tetramethyl -1,3 4,4,5,5-, 2- dioxy boron pentyl)) -9- (2- (4- picolyl)) -9H- carbazole 1-B (OR)2-Me(192.1mg,0.50mmol, 1.0eq), 9- (3- bromophenyl) -9H- pyrido [2,3b] indoles 2-Br (177.8mg, 0.55mmol, 1.1eq), Pd (PPh3)4 (17.3mg,0.02mmol,0.03eq),K2CO3(103.5mg, 0.75mmol, 1.5eq).It substitutes nitrogen three times, first is then added Benzene (4.0mL), ethyl alcohol (1.0mL) and water (1.0mL).Then drum nitrogen 15 minutes, mixture are placed in 100 DEG C of oil baths and react 3 days. It is cooled to room temperature, vacuum distillation removes solvent, and gained crude product is passed through silica gel column chromatogram separating purification, eluent (petroleum ether/second Acetoacetic ester=5:1), obtain white solid 190.2mg, yield 76%.1H NMR(500MHz,DMSO-d6):δ2.46(s.3H), 7.32-7.40 (m, 4H), 7.46-7.50 (m, 1H), 7.53 (td, J=7.0,1.0Hz, 1H), 7.59 (d, J=8.0Hz, 1H), 7.67-7.73 (m, 3H), 7.75 (t, J=8.0Hz, 1H), 7.79 (d, J=8.0Hz, 1H), 7.86 (d, J=7.5Hz, 1H), 8.01 (t, J=2.0Hz, 1H), 8.10 (d, J=1.0Hz, 1H), 8.28 (d, J=7.5Hz, 1H), 8.33 (d, J=8.0Hz, 1H), 8.35 (d, J=8.5Hz, 1H), 8.44 (dd, J=5.0,1.5Hz, 1H), 8.58 (d, J=5.0Hz, 1H), 8.67 (dd, J=7.5,1.5Hz, 1H)
The synthesis of Pt3: to sequentially add in magnetic rotor dry reaction pipe L3 (90.0mg, 0.18mmol, 1.0eq), K2PtCl4(82.1mg, 0.20mmol, 1.1eq),nBu4NBr (6.4mg, 0.02mmol, 0.1eq).Substitute nitrogen three It is secondary, acetic acid (10.0mL) and water (0.3mL) is then added.After stirring 10h under room temperature, it is placed in 120 DEG C of oil baths and reacts 1 day.It is cooling To room temperature, vacuum distillation removes solvent, and gained crude product is passed through silica gel column chromatogram separating purification, eluent (petroleum ether/dichloromethane Alkane=3:1-1:1), obtain yellow solid 29.5mg, yield 24%.HRMS (ESI): theoretical value C35H23N4Pt[M+H]+ 694.1565 experiment value 680.1573.
Embodiment 3
Pt 28 can be prepared according to following methods
The synthesis of 2-Br-F: 9H- pyrido [2,3b] indoles is sequentially added into the dry reaction pipe with magnetic rotor (5.04g, 30.00mmol, 1.0eq), CuI (571.4mg, 3.00mmol, 0.01eq), L-Proline (690.0mg, 6.00mmol, 0.02eq) and K2CO3(8.29g,60.00mmol,2.0eq).It substitutes nitrogen three times, it is bromo- that 1,3- bis- is then added 5- fluorobenzene (9.14g, 36.0mmol, 1.2eq) and solvent dimethyl sulfoxide (30mL).It is anti-that reaction mixture is placed in 120 DEG C of oil baths It answers 1.5 days.It is cooled to room temperature, the dilution of 100mL ethyl acetate, suction filtered through kieselguhr is added, and sufficiently cleaned with ethyl acetate, is added 50mL water, liquid separation, ethyl acetate aqueous phase extracted three times, merge organic phase, the dry organic phase of anhydrous sodium sulfate, filtering, decompression steaming Solvent is removed in distillation, by gained crude product by silica gel column chromatogram separating purification, eluent (petroleum ether/methylene chloride=4:1-2:1), Obtain white solid 2-Br-F 3.22g, yield 31%.Product is directly used in the synthesis of next step.
The synthesis of L28: 2- (2- (4,4,5,5- tetramethyl -1,3,2- is sequentially added to having in magnetic rotor dry reaction Dioxy boron pentyl)) -9- (2- pyridyl group) -9H- carbazole 1-B (OR)2(370.3mg, 1.00mmol, 1.0eq), (3- is bromo- by 9- 5- fluorophenyl) -9H- pyrido [2,3b] indoles 2-Br-F (374.2mg, 1.10mmol, 1.1eq), Pd (PPh3)4(57.8mg, 0.05mmol,0.05eq),K2CO3(207.0mg, 1.50mmol, 1.5eq).It substitutes nitrogen three times, toluene (8mL) then is added, Ethyl alcohol (2.0mL) and water (2.0mL).Then drum nitrogen 15 minutes, mixture are placed in 100 DEG C of oil baths and react 3 days.It is cooled to room Temperature, vacuum distillation remove solvent, by gained crude product by silica gel column chromatogram separating purification, eluent (petrol ether/ethyl acetate= 10:1-4:1), white solid 344.2mg (L28), yield 68% are obtained.
The synthesis of Pt28: to sequentially add in magnetic rotor dry reaction pipe ligand L 28 (50mg, 0.10mmol, 1.0eq), K2PtCl4(45.7mg, 0.11mmol, 1.1eq),nBu4NBr (3.2mg, 0.01mmol, 0.1eq).Substitute nitrogen three It is secondary, acetic acid (6.0mL) and water (0.2mL) is then added.After being stirred for 24 hours under room temperature, it is placed in 120 DEG C of oil baths and reacts 3 days.It is cooled to Room temperature, vacuum distillation remove solvent, and gained crude product is passed through silica gel column chromatogram separating purification, eluent (petroleum ether/methylene chloride =3:1-0:1), obtain yellow solid 2.0mg, yield 3%.MS (ESI): theoretical value C34H21N4Pt[M-F+2H]+680.1, experiment Value 680.5.
Embodiment 4
Pt 29 can be prepared according to following methods
2-Br-CF3Synthesis: to magnetic rotor dry reaction pipe in sequentially add 9H- pyrido [2,3b] Yin Diindyl (5.04g, 30.00mmol, 1.0eq), CuI (571.4mg, 3.00mmol, 0.01eq), L-Proline (690.0mg, 6.00mmol, 0.02eq) and K2CO3(8.29g,60.00mmol,2.0eq).It substitutes nitrogen three times, it is bromo- that 1,3- bis- is then added 5- trifluoromethylbenzene (10.94g, 36.0mmol, 1.2eq) and solvent dimethyl sulfoxide (30mL).Reaction mixture is placed in 120 DEG C Oil bath is reacted 1.5 days.It is cooled to room temperature, 100mL ethyl acetate is added and dilutes, suction filtered through kieselguhr, and it is sufficiently clear with ethyl acetate It washes, 50mL water, liquid separation is added, ethyl acetate aqueous phase extracted three times, merges organic phase, and the dry organic phase of anhydrous sodium sulfate filters, Vacuum distillation removes solvent, by gained crude product by silica gel column chromatogram separating purification, eluent (petroleum ether/methylene chloride=4: 1-2:1), white solid 2-Br-CF is obtained35.15g, yield 43%.Product is directly used in the synthesis of next step.
The synthesis of L29: 2- (2- (4,4,5,5- tetramethyl -1,3,2- is sequentially added to having in magnetic rotor dry reaction Dioxy boron pentyl)) -9- (2- pyridyl group) -9H- carbazole 1-B (OR)2(370.3mg, 1.00mmol, 1.0eq), (3- is bromo- by 9- 5- trifluoromethyl) -9H- pyrido [2,3b] indoles 2-Br-CF3(564.0mg, 1.40mmol, 1.4eq), Pd (PPh3)4 (57.8mg,0.05mmol,0.05eq),K2CO3(207.0mg, 1.50mmol, 1.5eq).It substitutes nitrogen three times, first is then added Benzene (8mL), ethyl alcohol (2.0mL) and water (2.0mL).Then drum nitrogen 15 minutes, mixture are placed in 100 DEG C of oil baths and react 3 days.It is cold But to room temperature, vacuum distillation removes solvent, and gained crude product is passed through silica gel column chromatogram separating purification, eluent (petroleum ether/acetic acid Ethyl ester=10:1-1:1), obtain white solid 345.2mg (L29), yield 62%.
The synthesis of Pt29: to sequentially add in magnetic rotor dry reaction pipe ligand L 29 (55.0mg, 0.10mmol, 1.0eq), K2PtCl4(45.7mg, 0.11mmol, 1.1eq),nBu4NBr (3.2mg, 0.01mmol, 0.1eq).Substitute nitrogen three It is secondary, acetic acid (6.0mL) and water (0.2mL) is then added.After stirring 12h under room temperature, it is placed in 120 DEG C of oil baths and reacts 3 days.It is cooled to Room temperature, vacuum distillation remove solvent, and gained crude product is passed through silica gel column chromatogram separating purification, eluent (petroleum ether/methylene chloride =3:1-1:1), obtain yellow solid 54.4mg, yield 73%.MS (ESI): theoretical value C34H21N4Pt[M-CF3+2H]+680.1, Experiment value 680.5.
Above-described is only embodiments of the present invention, it should be noted here that for those of ordinary skill in the art For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to protection model of the invention It encloses.

Claims (8)

1. a kind of four ring gear metal platinum complexes based on phenyl carbazole, which is characterized in that the four ring gears metal platinum complex With structure shown in logical formula (I):
Wherein:
V1、V2、V3And V4It is each independently selected from N atom or C atom, and V1、V2、V3、V4In include at least 2 N atoms;
Y1、Y2、Y3、Y4、Y5、Y6、Y7、Y8、Y9、Y10、Y11And Y12It is each independently selected from N atom or CH base;
X1And X2Each independently represent N, B, CH, CD, CRa、SiH、SiD、SiRa、GeH、GeD、GeRd, P, P=O, As, As= O, Bi or Bi=O;
Ra、Rb、RcAnd RdIt is each independently hydrogen, deuterium, aryl, naphthenic base, cycloalkenyl, heterocycle, heteroaryl, alkyl, alkenyl, alkynes Base, halogen, hydroxyl, sulfydryl, nitro, cyano, amino, list or dialkyl amido, list or ammonia diaryl base, alkoxy, aryloxy group, Halogenated alkyl, ester group, itrile group, isonitrile base, heteroaryl, alkoxy carbonyl, acylamino-, alkoxycarbonyl amino, aryloxycarbonyl Amino, sulfuryl amino, sulfamoyl, carbamoyl, alkylthio group, sulfinyl, urea groups, phosphinylidyne amido, imido grpup, sulphur Base, carboxyl, diazanyl, substituted silicyl, polymerization group, or combinations thereof;
R1、R2、R3、R4、R5And R6Single base substitution, biradical substitution, the substitution of three bases, the substitution of four bases or nothing is each independently represented to take Generation, and R1、R2、R3、R4、R5And R6Be each independently hydrogen, deuterium, aryl, naphthenic base, cycloalkenyl, heterocycle, heteroaryl, alkyl, Alkenyl, alkynyl, halogen, hydroxyl, sulfydryl, nitro, cyano, amino, list or dialkyl amido, list or ammonia diaryl base, alkoxy, Aryloxy group, halogenated alkyl, ester group, itrile group, isonitrile base, heteroaryl, alkoxy carbonyl, acylamino-, alkoxycarbonyl amino, fragrant oxygen Base carbonylamino, sulfuryl amino, sulfamoyl, carbamoyl, alkylthio group, sulfinyl, urea groups, phosphinylidyne amido, imines Base, sulfo group, carboxyl, diazanyl, substituted silicyl, polymerization group, or combinations thereof;And two or more neighbouring R1、 R2、R3、R4、R5And R6Respective independence or selective connection form condensed ring.
2. the four ring gear metal platinum complexes according to claim 1 based on phenyl carbazole, which is characterized in that the platinum is matched Closing object has one of following structure:
3. the four ring gear metal platinum complexes according to claim 1 or 2 based on phenyl carbazole, which is characterized in that described Platinum complex has neutral charge.
4. four ring gear metal platinum complex the answering in electroluminescent device of any of claims 1 or 2 based on phenyl carbazole With.
5. a kind of device, which is characterized in that the device includes four teeth based on phenyl carbazole as claimed in claim 1 or 2 Cyclometalated platinum complexes.
6. device according to claim 5, which is characterized in that the device includes full-color display, photovoltaic device, shines Display device, Organic Light Emitting Diode or phosphorescence Organic Light Emitting Diode.
7. device according to claim 5, which is characterized in that the four ring gear metal platinum complexes based on phenyl carbazole There is 100% internal quantum in the device environment.
8. device according to claim 5, including at least one cathode, at least one anode and at least one layer of luminescent layer, It is characterized in that, at least one layer in the luminescent layer includes the four ring gears gold of any of claims 1 or 2 based on phenyl carbazole Belong to platinum complex.
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