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CN107827808A - A kind of derivative and its organic luminescent device containing carbazole class formation - Google Patents

A kind of derivative and its organic luminescent device containing carbazole class formation Download PDF

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Publication number
CN107827808A
CN107827808A CN201711201376.9A CN201711201376A CN107827808A CN 107827808 A CN107827808 A CN 107827808A CN 201711201376 A CN201711201376 A CN 201711201376A CN 107827808 A CN107827808 A CN 107827808A
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unsubstituted
substituted
derivative
class formation
aryl
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刘喜庆
蔡辉
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Changchun Haipurunsi Technology Co Ltd
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Changchun Haipurunsi Technology Co Ltd
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Abstract

The invention discloses a kind of derivative and its organic luminescent device containing carbazole class formation, it is related to organic optoelectronic materials technology.On the one hand, carbazole molecules are modified in compound structure of the invention, two phenyl ring is upgraded into Sanya benzene ring structure, adds the rigidity of structure, so as to not only increase the heat endurance of derivative, also reduce the possibility of molecule reunion;On the other hand, tri-arylamine group structure is introduced into carbazole condensed cyclic structure, its rigidity and also improves the stability of derivative the characteristics of non-co-planar simultaneously and reduce the possibility that molecule is reunited.Also, the glass transition temperature of carbazole derivates is improved greatly in the symmetrically or non-symmetrically structure using condensed ring carbazole as core.It is applied in organic luminescent device, material of main part can be used as, show the advantages of driving voltage is low, luminous efficiency is high, better than existing conventional OLED.

Description

A kind of derivative and its organic luminescent device containing carbazole class formation
Technical field
The present invention relates to organic photoelectrical material technical field, more particularly to a kind of derivative containing carbazole class formation and its Organic luminescent device.
Background technology
Organic electroluminescent LED (Organic Light Emitting Diode, OLED) has pure flat display (Cathode Ray Tube, CRT) and the overall merit of liquid crystal display (Liquid Crystal Display, LCD), is described as The FPD of 21 century and third generation Display Technique.
In general organic luminescent device (OLED) is the organic matter layer structure by being inserted between negative electrode, anode and negative electrode and anode Into, the composition of device is transparent ITO anode, hole injection layer (TIL), hole transmission layer (HTL), luminescent layer (EL), hole The negative electrodes such as barrier layer (HBL), electron transfer layer (ETL), electron injecting layer (EIL), LiAl are formed.
Luminescent material is divided into fluorescent material and phosphor material, and the forming method of luminescent layer is that phosphorus is adulterated in fluorescent host material The method of method and fluorescent host material doping fluorescent (organic matter for including nitrogen) dopant of luminescent material (organic metal).It is conventional Material of main part can generally be divided into several, such as hole transport material of main part, electric transmission material of main part, bipolar material of main part, lazy Property material of main part, fluorescence complex material of main part and phosphorescent complexes material of main part.Wherein, carbazole and its derivative are because its is peculiar Electric property, chemical property and Photophysics and be widely studied.
At present, the research of electroluminescent organic material is carried out extensively in academia and industrial quarters, a large amount of function admirables Electroluminescent organic material be developed successively, but the technological industrialization process still faces many key issues how The luminescent material for designing the more preferable carbazole class formation of new performance is adjusted, and is always that those skilled in the art are urgently to be resolved hurrily Problem.
The content of the invention
It is an object of the invention to provide a kind of derivative and its organic luminescent device containing carbazole class formation.The present invention carries The height of the derivative thermal stability containing carbazole class formation, the glass transition temperature height supplied, using the compound as in luminescent layer Material of main part uses and manufactured organic luminescent device, shows the advantages of driving voltage is low, luminous efficiency is high, is function admirable Luminous organic material.
The invention provides a kind of derivative containing carbazole class formation, its general formula of molecular structure is as shown in I:
Wherein, L is selected from substituted or unsubstituted C6~C50Aryl, substituted or unsubstituted C3~C50Heteroaryl, take Generation or unsubstituted C2~C50Amino in one kind;R is selected from substituted or unsubstituted C1~C10Alkyl, substitution or unsubstituted C6~C50Aryl, substituted or unsubstituted C3~C50Heteroaryl in one kind.
Preferably, a kind of molecular structure I for example following II of derivative containing carbazole class formation provided by the present invention or Any one representation in III:
Wherein, L is selected from substituted or unsubstituted C6~C30Aryl, substituted or unsubstituted C3~C30Heteroaryl, take Generation or unsubstituted C10~C30Aryl amine in one kind;R is selected from substituted or unsubstituted C1~C10Alkyl, substitution or not Substituted C6~C30Aryl, substituted or unsubstituted C3~C30Heteroaryl in one kind.
Preferably, the one kind of the L in following structure:
Wherein, R1Selected from hydrogen, substituted or unsubstituted C1~C10Alkyl, substituted or unsubstituted C1~C10Alcoxyl Base, substituted or unsubstituted C6~C30Aryl, substituted or unsubstituted C3~C30Heteroaryl, substituted or unsubstituted C2~ C30Amino in one kind;R2~R7Independently selected from substituted or unsubstituted C1~C10Alkyl, substituted or unsubstituted C1~ C10Alkoxy, substituted or unsubstituted C6~C30Aryl, substituted or unsubstituted C3~C30Heteroaryl in one kind.
Further preferably, a kind of derivative containing carbazole class formation of the present invention is in chemical constitution as follows Any one:
Present invention also offers a kind of organic luminescent device, including first electrode, second electrode and it is placed in two electrode Between one or more organic compound layers, one kind that described organic compound layer contains described in any one contains carbazoles The derivative of structure.
Preferably, organic compound layer includes luminescent layer, contains carbazoles containing one kind described in any one in luminescent layer The derivative of structure.
Beneficial effects of the present invention:
The invention provides a kind of derivative containing carbazole class formation, have the effect that:
On the one hand, carbazole ring be easily formed metastable cation, intramolecular with larger conjugated system and The advantages of strong cyclic voltammetry method, generally there is higher heat endurance.But its carbazole small molecule is due to the limitation of structure, Reunion is easily formed during solid phase, so as to cause to be quenched.The present invention compound structure in carbazole molecules are modified, by its two Individual phenyl ring upgrades to Sanya benzene ring structure, adds the rigidity of structure, so as to not only increase the heat endurance of derivative, also drops The possibility that low molecule is reunited;
On the other hand, rigid radical is introduced into carbazole condensed cyclic structure, makes its division center that there is rigidity and non-co-planar The characteristics of, this feature also improves the stability of derivative and reduces the possibility of molecule reunion simultaneously.Also, with condensed ring click The glass transition temperature of carbazole derivates is improved greatly for the symmetrically or non-symmetrically structure of core for azoles.
Derivative diffraction containing carbazole class formation is prepared into device, especially as material of main part, device is shown The advantages of driving voltage is low, luminous efficiency is high, better than existing conventional OLED.What is shown in OLED luminescent devices is good Application effect, this point shows that it has good industrialization prospect.
The derivative of the present invention is prepared by raw material of carbazole, because carbazole itself is one of coai-tar product, is easy to get, so The preparation cost of the derivative of the present invention is small, is easy to industrialized production.
Embodiment:
It is clearly and completely described below in conjunction with the technical scheme of the embodiment of the present invention, it is clear that described implementation Example only part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, art technology The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to protection scope of the present invention.
Alkyl of the present invention refers to minus the alkyl that a hydrogen atom forms in alkane molecule, and it can be straight chain alkane Base, branched alkyl, cycloalkyl, example may include methyl, ethyl, propyl group, isopropyl, normal-butyl, isobutyl group, sec-butyl, tertiary fourth Base, amyl group, isopentyl, cyclopenta, cyclohexyl etc., but not limited to this.
Aryl of the present invention refers to after removing a hydrogen atom on the aromatic core carbon of aromatic hydrocarbon molecule, is left the total of univalent perssad Claiming, it can be monocyclic aryl or fused ring aryl, and example may include phenyl, xenyl, naphthyl, anthryl, phenanthryl or pyrenyl etc., but Not limited to this.
Heteroaryl of the present invention refers to the group that one or more of aryl aromatic core carbon substitutes to obtain by hetero atom General name, the hetero atom include but is not limited to oxygen, sulphur or nitrogen-atoms, and the heteroaryl can be bicyclic heteroaryl or condensed ring heteroaryl Base, example may include pyridine radicals, pyrrole radicals, pyridine radicals, thienyl, furyl, indyl, quinolyl, isoquinolyl, benzo thiophene Fen base, benzofuranyl, dibenzofuran group, dibenzothiophenes base, carbazyl etc., but not limited to this.
Aryl amine of the present invention refers to the amine with armaticity substituent, i.e.-NH2,-NH- or nitrogen-containing group be connected to On aromatic hydrocarbon, example may include following structure, but not limited to this
The invention provides a kind of derivative containing carbazole class formation, its general formula of molecular structure is as shown in I:
Wherein, L is selected from substituted or unsubstituted C6~C50Aryl, substituted or unsubstituted C3~C50Heteroaryl, take Generation or unsubstituted C2~C50Amino in one kind;R is selected from substituted or unsubstituted C1~C10Alkyl, substitution or unsubstituted C6~C50Aryl, substituted or unsubstituted C3~C50Heteroaryl in one kind.
According to the present invention, the substituted alkyl, the aryl of substitution, the heterocyclic radical of substitution, the choosing of the substituent independence From methyl, ethyl, isopropyl, the tert-butyl group, phenyl, naphthyl, anthryl, phenanthryl, benzo phenanthryl, base, pyrenyl, benzyl, methoxy Base, methyl mercapto, phenoxy group, thiophenyl, fluorenyl, 9,9- dimethyl fluorenyl, hexichol amido, dimethylamino, carbazyl, 9- phenyl clicks Oxazolyl, furyl, thienyl, cyano group, fluorine-based, deuterium base, triphenyl silicon substrate, trimethyl silicon substrate, phenothiazinyl, phenoxazine group, a word used for translation Piperidinyl, piperidyl, pyridine radicals, pyrimidine radicals, xenyl, terphenyl, nitro etc., but not limited to this.
Preferably, a kind of general formula of molecular structure I such as II of derivative containing carbazole class formation provided by the present invention or Any one representation in III:
Wherein, L is selected from substituted or unsubstituted C6~C30Aryl, substituted or unsubstituted C3~C30Heteroaryl, take Generation or unsubstituted C10~C30Aryl amine in one kind;R is selected from substituted or unsubstituted C1~C10Alkyl, substitution or not Substituted C6~C30Aryl, substituted or unsubstituted C3~C30Heteroaryl in one kind.
Preferably, the one kind of L in following structure:
Wherein, R1Selected from hydrogen, substituted or unsubstituted C1~C10Alkyl, substituted or unsubstituted C1~C10Alcoxyl Base, substituted or unsubstituted C6~C30Aryl, substituted or unsubstituted C3~C30Heteroaryl, substituted or unsubstituted C2~ C30Amino in one kind;R2~R7Independently selected from substituted or unsubstituted C1~C10Alkyl, substituted or unsubstituted C1~ C10Alkoxy, substituted or unsubstituted C6~C30Aryl, substituted or unsubstituted C3~C30Heteroaryl in one kind.
Further preferably, a kind of derivative containing carbazole class formation of the present invention, in chemical constitution as follows Any one:
A kind of derivative containing carbazole class formation of the present invention, its syntheti c route is as shown in following two situation:First Kind syntheti c route (L is now arylamine base class)
According to the present invention, compound a is prepared according to method as follows:
After the reaction of 2,7- bis- bromo- 9H- carbazoles and iodo thing, protected in nitrogen, tetra-triphenylphosphine palladium is catalyst, potassium carbonate Under conditions of alkali, compound a is obtained by Suzuki coupling reactions with boronic acid compounds.
According to the present invention, target product I is prepared according to method as follows:
Compound a obtains compound c via annulation, reduction reaction.Nitrogen is protected, and tri-butyl phosphine is with palladium Catalyst, sodium tert-butoxide be alkali under conditions of, compound c is obtained into target product by Buchwald-Hartwig coupling reactions I。
Second of syntheti c route (L is now aryl, heteroaryl base class)
According to the present invention, compound d is prepared according to method as follows:
After the reaction of 2,7- bis- bromo- 9H- carbazoles and iodo thing, protected in nitrogen, tetra-triphenylphosphine palladium is catalyst, potassium carbonate Under conditions of alkali, compound d is obtained by Suzuki coupling reactions with boronic acid compounds.
According to the present invention, target product I is prepared according to method as follows:
Compound d obtains compound e via annulation.Protected in nitrogen, tetra-triphenylphosphine palladium is catalyst, potassium carbonate Under conditions of alkali, target product I is obtained by Suzuki coupling reactions with boronic acid compounds.
The present invention special limitation no to above-mentioned reaction, it is using popular response well-known to those skilled in the art Can, the preparation method is simple to operate, is readily produced.
Present invention also offers a kind of organic luminescent device, including first electrode, second electrode and it is placed in two electrode Between one or more organic compound layers, organic compound layer include hole injection layer, hole transmission layer, electronic blocking Layer, luminescent layer, hole blocking layer, electron transfer layer, at least one layer of electron injecting layer;At least one in the organic compound layer Layer includes a kind of derivative containing carbazole class formation of the present invention.
Preferably, a kind of derivative containing carbazole class formation of the present invention can be as the master in organic luminescent device Body material.The device architecture of use is preferably specially:Described derivative/Ir (PPy) containing carbazole class formation3As luminous Layer material, Alq3As electron-transporting material, NPB is used as hole transmission layer material, to manufacture having for construction same as below Machine luminescent device:The derivative containing carbazole class formation described in ITO/NPB/:Ir(PPy)3/Alq3/LiF/Al.It is described organic Electroluminescent device can be used for the application fields such as flat-panel monitor, lighting source, direction board, signal lamp.
The synthesis of [embodiment 1] compound 1
Intermediate a-1 synthesis
By the bromo- 9H- carbazoles (3.0g, 9.32mmol) of 2,7- bis-, iodomethane (1.5g, 10.25mmol), copper powder (1.8g, 27.95mmol) it is added to potassium carbonate (4.1g, 29.81mmol) in the 60mL of stirring o-dichlorohenzene, system is at 140 DEG C Backflow 12 hours.At the end of reaction, 20mL distilled water is added thereto, makes to be extracted with ethyl acetate afterwards, merge organic phase, nothing Water magnesium sulfate is concentrated after drying, and the bromo- 9- methyl-carbazoles of 2,7- bis- (1.9g, yield 60%) are obtained via column chromatography.
Weigh successively the bromo- 9- methyl-carbazoles (33.7g, 0.1mol) of 2,7- bis-, 4 '-nitro -2- biphenylboronic acids (50g, 0.2mol), potassium carbonate (69g, 0.5mol), 300mL water, 1L toluene are in 2L there-necked flasks, nitrogen protection, stirring at normal temperature, system For white opacity, 1g tetra-triphenylphosphine palladiums are added after 20min, are heated to reflux 12 hours, system produces a large amount of solids, and suction filtration obtains Solid product intermediate a-1 (51,7g, yield 90%).Mass spectrum m/z:575.64 (calculated values:575.61).Theoretical elemental contains Measure (%) C37H25N3O4:C,77.20;H,4.38;N,7.30;O, 11.12 actual measurement constituent contents (%):C,77.22;H,4.36; N,7.31;O,11.11.The above results confirm that it is target product to obtain product.
Intermediate b-1 synthesis
Intermediate a-1 (287g, 0.5mol), ferric trichloride (162g, 1mol), 700mL dichloromethane are weighed successively in 1L In there-necked flask, normal-temperature reaction filters after 24 hours, and filtrate washes two twice, then with saturated common salt with 300mL 10% salt pickling It is secondary, merge organic phase after extraction, concentrated acid after anhydrous sodium sulfate drying, intermediate b-1 (yield 87%) is obtained via column chromatography. Mass spectrum m/z:571.19 (calculated values:571.15).Theoretical elemental content (%) C37H21N3O4:C,77.75;H,3.70;N,7.35; O, 11.20 actual measurement constituent contents (%):C,77.75;H,3.73;N,7.32;O,11.20.The above results confirm that obtaining product is Target product.
Intermediate c-1 synthesis
Intermediate b-1 (57.1g, 0.1mol), 7.2g palladium carbons, 1200mL tetrahydrofurans are weighed successively in 2L autoclaves, Hydrogen Vapor Pressure is 10 atmospheric pressure, is reacted 24 hours at 40 DEG C, and reaction is filtered after terminating and removes palladium carbon, and filtrate is spin-dried for obtaining solid production Thing intermediate c-1 (48.5g, yield 95%).Mass spectrum m/z:511.19 (calculated values:511.20).Theoretical elemental content (%) C37H25N3:C,86.86;H,4.93;N, 8.21 actual measurement constituent contents (%):C,86.87;H,4.92;N,8.21.The above results are demonstrate,proved The real product that obtains is target product.
The synthesis of compound 1
By tri-butyl phosphine (3mL 1.0M toluene solution, 7.32mmol), palladium (0.4g, 1.83mmol) and uncle Sodium butoxide (22.8g, 238mmol) exists added to equal bromobenzene (119.8g, 768mmol) and intermediate c-1 (93.5g, 183mmol) Solution in degassed toluene (2L), and the mixture is heated 2 hours under reflux.The reactant mixture is cooled to room Temperature, filtered with dilution with toluene and via diatomite.The filtrate water is diluted, and extracted with toluene, and merges organic phase, It is evaporated under vacuo.The residue is filtered via silica gel, is recrystallized to give compound 1 (111.8g, yield For 75%).Mass spectrum m/z:815.34 (calculated values:815.33).Theoretical elemental content (%) C61H41N3:C,89.79;H,5.06; N, 5.15 actual measurement constituent contents (%):C,89.78;H,5.07;N,5.15.The above results confirm that it is target product to obtain product.
The synthesis of [embodiment 2] compound 4
Change the bromobenzene in the synthesis of the compound 1 of embodiment 1 into the equimolar 1- tert-butyl groups -4- bromobenzenes, other steps It is identical with the synthesis of embodiment 1, obtain target product compound 4.Mass spectrum m/z:1040.37 (calculated value:1040.42).Reason Argument cellulose content (%) C77H73N3:C,88.89;H,7.07;N, 4.04 actual measurement constituent contents (%):C,88.87;H,7.07;N, 4.06.The above results confirm that it is target product to obtain product.
The synthesis of [embodiment 3] compound 15
Change the bromobenzene in the synthesis of the compound 1 of embodiment 1 into equimolar 2- bromothiophenes, other steps with implementation The synthesis of example 1 is identical, obtains target product compound 15.Mass spectrum m/z:840.17 (calculated values:840.11).Theoretical elemental content (%) C53H33N3S4:C,75.77;H,3.96;N,5.00;S, 15.27 actual measurement constituent contents (%):C,75.75;H,3.96;N, 5.02;S,15.27.The above results confirm that it is target product to obtain product.
The synthesis of [embodiment 4] compound 16
Intermediate a-2 synthesis
By the bromo- 9H- carbazoles (3.0g, 9.32mmol) of 2,7- bis-, iodobenzene (2.1g, 10.25mmol), copper powder (1.8g, 27.95mmol) it is added to potassium carbonate (4.1g, 29.81mmol) in the 60mL of stirring o-dichlorohenzene, system is at 140 DEG C Backflow 12 hours.At the end of reaction, 20mL distilled water is added thereto, makes to be extracted with ethyl acetate afterwards, merge organic phase, nothing Water magnesium sulfate is concentrated after drying, and the bromo- 9- phenyl-carbazoles (2.4g, yield 70%) of 2,7- bis- are obtained via column chromatography.
Weigh successively the bromo- 9- phenyl of 2,7- bis--carbazole (39.9g, 0.1mol), 4 '-nitro -2- biphenylboronic acids (50g, 0.2mol), potassium carbonate (69g, 0.5mol), 300mL water, 1L toluene are in 2L there-necked flasks, nitrogen protection, stirring at normal temperature, system For white opacity, 1g tetra-triphenylphosphine palladiums are added after 20min, are heated to reflux 12 hours, system produces a large amount of solids, and suction filtration obtains Solid product intermediate a-2 (51,7g, yield 90%).Mass spectrum m/z:637.64 (calculated values:637.68).Theoretical elemental contains Measure (%) C42H27N3O4:C,79.11;H,4.27;N,6.59;O, 10.04 actual measurement constituent contents (%):C,79.12;H,4.25; N,6.59;O,10.04.The above results confirm that it is target product to obtain product.
Intermediate b-2 synthesis
Intermediate a-2 (331g, 0.5mol), ferric trichloride (162g, 1mol), 700mL dichloromethane are weighed successively in 1L In there-necked flask, normal-temperature reaction filters after 24 hours, and filtrate washes two twice, then with saturated common salt with 300mL 10% salt pickling It is secondary, merge organic phase after extraction, concentrated acid after anhydrous sodium sulfate drying, intermediate b-2 (yield 87%) is obtained via column chromatography. Mass spectrum m/z:633.69 (calculated values:633.65).Theoretical elemental content (%) C42H23N3O4:C,79.61;H,3.66;N,6.63; O, 10.10 actual measurement constituent contents (%):C,79.61;H,3.65;N,6.63;O,10.11.The above results confirm that obtaining product is Target product.
Intermediate c-2 synthesis
Intermediate b-2 (63.3g, 0.1mol), 7.2g palladium carbons, 1200mL tetrahydrofurans are weighed successively in 2L autoclaves, Hydrogen Vapor Pressure is 10 atmospheric pressure, is reacted 24 hours at 40 DEG C, and reaction is filtered after terminating and removes palladium carbon, and filtrate is spin-dried for obtaining solid production Thing intermediate c-2 (48.5g, yield 95%).Mass spectrum m/z:573.69 (calculated values:573.68).Theoretical elemental content (%) C42H27N3:C,87.93;H,4.74;N, 7.32 actual measurement constituent contents (%):C,87.93;H,4.73;N,7.34.The above results are demonstrate,proved The real product that obtains is target product.
The synthesis of compound 16
By tri-butyl phosphine (3mL 1.0M toluene solution, 7.32mmol), palladium (0.4g, 1.83mmol) and uncle Sodium butoxide (22.8g, 238mmol) is added to equal bromobenzene (119.8g, 768mmol) and intermediate c-2 (104.8g, 183mmol) Solution in degassed toluene (2L), and the mixture is heated 2 hours under reflux.The reactant mixture is cooled to room Temperature, filtered with dilution with toluene and via diatomite.The filtrate water is diluted, and extracted with toluene, and merges organic phase, It is evaporated under vacuo.The residue is filtered via silica gel, is recrystallized to give compound 16 (111.8g, production 75%) rate is.Mass spectrum m/z:878.12 (calculated values:878.07).Theoretical elemental content (%) C66H43N3:C,90.28;H, 4.94;N, 4.79 actual measurement constituent contents (%):C,90.28;H,4.95;N,4.77.The above results confirm that it is target to obtain product Product.
The synthesis of [embodiment 5] compound 24
Change the iodomethane in the synthesis of the compound 1 of embodiment 1 into equimolar 6- bromoquinolines, other steps with implementation The synthesis of example 1 is identical, obtains target product compound 24.Mass spectrum m/z:929.13 (calculated values:929.11).Theoretical elemental content (%) C69H44N4:C,89.20;H,4.77;N, 6.03 actual measurement constituent contents (%):C,89.22;H,4.75;N,6.03.Above-mentioned knot Fruit confirms that it is target product to obtain product.
The synthesis of [embodiment 6] compound 29
Intermediate a-3 synthesis
By the bromo- 9H- carbazoles (3.0g, 9.32mmol) of 2,7- bis-, iodobenzene (2.1g, 10.25mmol), copper powder (1.8g, 27.95mmol) it is added to potassium carbonate (4.1g, 29.81mmol) in the 60mL of stirring o-dichlorohenzene, system is at 140 DEG C Backflow 12 hours.At the end of reaction, 20mL distilled water is added thereto, makes to be extracted with ethyl acetate afterwards, merge organic phase, nothing Water magnesium sulfate is concentrated after drying, and the bromo- 9- phenyl-carbazoles (2.4g, yield 70%) of 2,7- bis- are obtained via column chromatography.
Weigh successively the bromo- 9- phenyl of 2,7- bis--carbazole (39.9g, 0.1mol), 2 '-nitro -2- biphenylboronic acids (50g, 0.2mol), potassium carbonate (69g, 0.5mol), 300mL water, 1L toluene are in 2L there-necked flasks, nitrogen protection, stirring at normal temperature, system For white opacity, 1g tetra-triphenylphosphine palladiums are added after 20min, are heated to reflux 12 hours, system produces a large amount of solids, and suction filtration obtains Solid product intermediate a-3 (51,7g, yield 90%).Mass spectrum m/z:637.64 (calculated values:637.68).Theoretical elemental contains Measure (%) C42H27N3O4:C,79.11;H,4.27;N,6.59;O, 10.04 actual measurement constituent contents (%):C,79.12;H,4.25; N,6.57;O,10.06.The above results confirm that it is target product to obtain product.
Intermediate b-3 synthesis
Intermediate a-3 (331g, 0.5mol), ferric trichloride (162g, 1mol), 700mL dichloromethane are weighed successively in 1L In there-necked flask, normal-temperature reaction filters after 24 hours, and filtrate washes two twice, then with saturated common salt with 300mL 10% salt pickling It is secondary, merge organic phase after extraction, concentrated acid after anhydrous sodium sulfate drying, intermediate b-3 (yield 87%) is obtained via column chromatography. Mass spectrum m/z:633.69 (calculated values:633.65).Theoretical elemental content (%) C42H23N3O4:C,79.61;H,3.66;N,6.63; O, 10.10 actual measurement constituent contents (%):C,79.61;H,3.64;N,6.63;O,10.12.The above results confirm that obtaining product is Target product.
Intermediate c-3 synthesis
Intermediate b-3 (63.3g, 0.1mol), 7.2g palladium carbons, 1200mL tetrahydrofurans are weighed successively in 2L autoclaves, Hydrogen Vapor Pressure is 10 atmospheric pressure, is reacted 24 hours at 40 DEG C, and reaction is filtered after terminating and removes palladium carbon, and filtrate is spin-dried for obtaining solid production Thing intermediate c-3 (48.5g, yield 95%).Mass spectrum m/z:573.69 (calculated values:573.68).Theoretical elemental content (%) C42H27N3:C,87.93;H,4.74;N, 7.32 actual measurement constituent contents (%):C,87.91;H,4.75;N,7.34.The above results are demonstrate,proved The real product that obtains is target product.
The synthesis of compound 29
By tri-butyl phosphine (3mL 1.0M toluene solution, 7.32mmol), palladium (0.4g, 1.83mmol) and uncle Sodium butoxide (22.8g, 238mmol) is added to equal bromobenzene (119.8g, 768mmol) and intermediate c-3 (104.8g, 183mmol) Solution in degassed toluene (2L), and the mixture is heated 2 hours under reflux.The reactant mixture is cooled to room Temperature, filtered with dilution with toluene and via diatomite.The filtrate water is diluted, and extracted with toluene, and merges organic phase, It is evaporated under vacuo.The residue is filtered via silica gel, is recrystallized to give compound 29 (111.8g, production 75%) rate is.Mass spectrum m/z:878.12 (calculated values:878.07).Theoretical elemental content (%) C66H43N3:C,90.28;H, 4.94;N, 4.79 actual measurement constituent contents (%):C,90.27;H,4.96;N,4.77.The above results confirm that it is target to obtain product Product.
The synthesis of [embodiment 7] compound 36
Intermediate d-1 synthesis
Weigh successively the bromo- 9- phenyl of 2,7- bis--carbazole (39.9g, 0.1mol), 2 '-fluoro- 2- biphenylboronic acids (43g, 0.2mol), potassium carbonate (69g, 0.5mol), 300mL water, 1L toluene are in 2L there-necked flasks, nitrogen protection, stirring at normal temperature, system For white opacity, 1g tetra-triphenylphosphine palladiums are added after 20min, are heated to reflux 12 hours, system produces a large amount of solids, and suction filtration obtains Solid product intermediate d-1 (52.4g, yield 90%).Mass spectrum m/z:583.64 (calculated values:583.67).Theoretical elemental contains Measure (%) C42H27NF2:C,86.43;H,4.66;N,2.40;F, 6.51 actual measurement constituent contents (%):C,86.43;H,4.64;N, 2.41;F,6.52.The above results confirm that it is target product to obtain product.
Intermediate e-1 synthesis
Weigh successively intermediate d-1 (291.8g, 0.5mol), ferric trichloride (162g, 1mol), 700mL dichloromethane in In 1L there-necked flasks, normal-temperature reaction is filtered after 24 hours, and filtrate is washed twice, then with saturated common salt with 300mL 10% salt pickling Twice, organic phase is merged after extraction, concentrated acid after anhydrous sodium sulfate drying, obtaining intermediate e-1 via column chromatography, (yield is 87%).Mass spectrum m/z:633.69 (calculated values:633.65).Theoretical elemental content (%) C42H23NF2:C,87.03;H,4.00;N, 2.42;F, 6.56 actual measurement constituent contents (%):C,87.03;H,4.01;N,2.42;F,6.54.The above results confirm to obtain product For target product.
The synthesis of compound 36
Intermediate e-1 (63.3g, 0.1mol), 2 '-fluoro- 2- biphenylboronic acids (43g, 0.2mol), potassium carbonate are weighed successively (69g, 0.5mol), 300mL water, 1L toluene are in 2L there-necked flasks, and nitrogen protection, stirring at normal temperature, system is white opacity, 1g tetra-triphenylphosphine palladiums are added after 20min, are heated to reflux 12 hours, system produces a large amount of solids, and suction filtration obtains solid crude product production Thing.It is recrystallized to give compound 36 (62.1g, yield 90%).Mass spectrum m/z:695.84 (calculated values:695.85).Reason Argument cellulose content (%) C54H33NF:C,93.21;H,4.78;N, 2.01 actual measurement constituent contents (%):C,93.23;H,4.76;N, 2.01.The above results confirm that it is target product to obtain product.
[contrast Application Example]
Transparent anode electrode ito substrate is cleaned by ultrasonic 15 minutes in isopropanol, and exposed 30 minutes under ultraviolet light, Then handled 10 minutes with plasma.The ito substrate after processing is then put into evaporated device.One layer of 70nm's of evaporation first NPB is as hole transmission layer, evaporation rate 0.1nm/s, followed by the evaporation of luminescent layer, mixing evaporation CBP/Ir (PPy)3, Doping concentration is 10wt%, evaporation rate 0.005nm/s, evaporation thickness 30nm, and 50nm Alq3 is then deposited as electricity Sub- transport layer, evaporation rate 0.01nm/s, vacuum evaporation LiF and Al is as negative electrode, thickness successively on the electron transport layer 200nm。
[Application Example]
Transparent anode electrode ito substrate is cleaned by ultrasonic 15 minutes in isopropanol, and exposed 30 minutes under ultraviolet light, Then handled 10 minutes with plasma.The ito substrate after processing is then put into evaporated device.One layer of 70nm's of evaporation first The chemical combination in embodiment is deposited as hole transmission layer, evaporation rate 0.1nm/s, followed by the evaporation of luminescent layer, mixing in NPB Thing/Ir (PPy)3, doping concentration 10wt%, evaporation rate 0.005nm/s, evaporation thickness 30nm, 50nm is then deposited Alq3 as electron transfer layer, evaporation rate 0.01nm/s, on the electron transport layer vacuum evaporation LiF and Al conducts successively Negative electrode, thickness 200nm.
The electron luminescence characteristic of the organic luminescent device of above method manufacture represents in the following table:
Result above shows that a kind of derivative containing carbazole class formation of the invention is applied in organic luminescent device, Especially as material of main part, the advantages of driving voltage is low, luminous efficiency is high is shown, is organic light emission material of good performance Material.
Obviously, the explanation of above example is only intended to help the method and its core concept for understanding the present invention.It should refer to Go out, under the premise without departing from the principles of the invention, can also be to this hair for the those of ordinary skill of the technical field Bright to carry out some improvement and modification, these are improved and modification is also fallen into the protection domain of the claims in the present invention.

Claims (6)

1. a kind of derivative containing carbazole class formation, it is characterised in that its general formula of molecular structure is as shown in I:
Wherein, L is selected from substituted or unsubstituted C6~C50Aryl, substituted or unsubstituted C3~C50Heteroaryl, substitution or Unsubstituted C2~C50Amino in one kind;R is selected from substituted or unsubstituted C1~C10Alkyl, substituted or unsubstituted C6 ~C50Aryl, substituted or unsubstituted C3~C50Heteroaryl in one kind.
A kind of 2. derivative containing carbazole class formation according to claim 1, it is characterised in that its general formula of molecular structure As shown in II or III:
Wherein, L is selected from substituted or unsubstituted C6~C30Aryl, substituted or unsubstituted C3~C30Heteroaryl, substitution or Unsubstituted C10~C30Aryl amine in one kind;R is selected from substituted or unsubstituted C1~C10Alkyl, substitution or unsubstituted C6~C30Aryl, substituted or unsubstituted C3~C30Heteroaryl in one kind.
3. a kind of derivative containing carbazole class formation according to claim 1, it is characterised in that L is independently selected from such as One kind in lower structure:
Wherein, R1Selected from hydrogen, substituted or unsubstituted C1~C10Alkyl, substituted or unsubstituted C1~C10Alkoxy, substitution Or unsubstituted C6~C30Aryl, substituted or unsubstituted C3~C30Heteroaryl, substituted or unsubstituted C2~C30Ammonia One kind in base;R2~R7Independently selected from substituted or unsubstituted C1~C10Alkyl, substituted or unsubstituted C1~C10Alkane Epoxide, substituted or unsubstituted C6~C30Aryl, substituted or unsubstituted C3~C30Heteroaryl in one kind.
4. a kind of derivative containing carbazole class formation according to claim 1, it is characterised in that selected from as followsization Learn any one in structure:
5. a kind of organic luminescent device, it is characterised in that the organic luminescent device includes negative electrode, anode and is placed in two electricity One or more organic compound layers between pole, described organic compound layer contain described in claim any one of 1-4 A kind of derivative containing carbazole class formation.
6. according to a kind of organic luminescent device described in claim 5, it is characterised in that the organic compound layer includes hair Photosphere, contain a kind of derivative containing carbazole class formation described in claim any one of 1-4 in luminescent layer.
CN201711201376.9A 2017-11-27 2017-11-27 A kind of derivative and its organic luminescent device containing carbazole class formation Withdrawn CN107827808A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111320607A (en) * 2018-12-17 2020-06-23 机光科技股份有限公司 Organic compounds based on polycyclic heteroaromatic groups containing triphenylene and their applications
US11236075B2 (en) * 2018-12-17 2022-02-01 Luminescence Technology Corp. Organic compound and organic electroluminescence device using the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111320607A (en) * 2018-12-17 2020-06-23 机光科技股份有限公司 Organic compounds based on polycyclic heteroaromatic groups containing triphenylene and their applications
CN111320607B (en) * 2018-12-17 2021-11-19 机光科技股份有限公司 Organic compound with triphenylene-containing polycyclic heteroaromatic group as core and application thereof
US11236075B2 (en) * 2018-12-17 2022-02-01 Luminescence Technology Corp. Organic compound and organic electroluminescence device using the same

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