CN106749315A - 8 hexyl thiophenes simultaneously [3 ', 2 ':3,4] benzo [1,2 c] carbazole compound and its synthetic method - Google Patents

8 hexyl thiophenes simultaneously [3 ', 2 ':3,4] benzo [1,2 c] carbazole compound and its synthetic method Download PDF

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CN106749315A
CN106749315A CN201611197432.1A CN201611197432A CN106749315A CN 106749315 A CN106749315 A CN 106749315A CN 201611197432 A CN201611197432 A CN 201611197432A CN 106749315 A CN106749315 A CN 106749315A
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benzo
hexyls
carbazole
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thiophene
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刘陟
陈霆
张保杰
冯英
罗新羽
崔得良
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Shandong University
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Abstract

The present invention relates to 8 hexyl thiophenes simultaneously [3 ', 2 ':3,4] benzo [1,2 c] carbazole compound (I) and its synthetic method.The present invention using the method for photocatalysis closed loop, obtains 8 hexyl thiophenes of a class favorable solubility simultaneously [3 ', 2 ' with carbazole derivates and thiophene derivant as raw material:3,4] benzo [1,2 c] carbazole compound.Synthetic method operation of the present invention is simple, and post processing is simple, it is easy to popularization and application.8 hexyl thiophenes simultaneously [3 ', 2 ':3,4] benzo [1,2 c] carbazole compound is expected to be used widely in fields such as organic electroluminescent, organic field-effect tube, organic second-order non-linear, chiral liquid crystal and biological medicines.

Description

8- hexyls-thieno [3 ', 2 ':3,4] benzo [1,2-c] carbazole compound and its Synthetic method
Technical field
(it is under the jurisdiction of present invention relates particularly to a class 8- hexyls-thieno [3 ', 2 ' 3,4] benzo [1,2-c] carbazole compound Sulphur azepine [5] helicene compound) and its synthetic method, belong to technical field of organic synthesis.
Background technology
Helicene compound especially hetero atom helicene compound and its synthetic method be currently organic synthesis field research Focus.It is as follows on hetero atom [5] helicene compound progress in recent years:Caronna is with symmetrical stilbenes Double miscellaneous nitrogen [5] helicenes of Material synthesis, referring to Bazzini, C.;Brovelli,S.;Caronna,T.,et al.Eur.J.Org.Chem.2005,1247-1257;Abbate is by the use of phenyl ring as single ring, benzo [h] isoquinolin as containing Nitrogen systems have synthesized 1- azepines and/or 3- azepines [5] helicene, referring to Abbate, S.;Bazzini,C.;Caronna,T.,et al.Tetrahedron,2006,62,139-148);Adam six nitrogen with 2,9- dimethyl -1,10- phenanthrolines as Material synthesis Miscellaneous [5] helicene, referring to Adam, R.;Ballesteros-Garrido,R.;Vallcorba,O.,et al.Tetrahedron Lett.2013,54,4316–4319.In helicene structure introducing hetero-atoms be proved to electric property to helicene material, Optical property and photorefractive property are favourable, referring to Maiorana, S.;Papagni,A.;Licandro,E., Tetrahedron,2003,59,6481–6488.In a word, research of the prior art to azepine [5] helicene is more, and for sulphur nitrogen There is not been reported for the research of miscellaneous [5] helicene.
The synthesis of helicene is related to a series of chemical reaction, wherein a vital step is:Ring-closure reaction.Since helicene Since being found for the first time, people are studied ring-closure reaction always.Tanaka reconciles biaryl coupling reaction according to metal, makes Use TiCl3, DME and Zn-Cu compounds synthesized [7] helicene, referring to Tanaka, K., et al., J.Org.Chem.1997, 62,4465-4470), but the method is more complicated, and the reaction time is long, takes nearly 40 hours.Ogawa is according to oxy- Cope rearrangement reactions, use KH, 18- crown ether -6, THF, NaBH4, EtOH etc. synthesized 2- acetates [5] helicene, referring to Ogawa, Y., et al., Tetrahedron Lett.2002,43,7827-7829, but use the method from closed loop precursor Also need to be reacted by 6 steps to final helicene, reactions steps are too many, cumbersome.Shawn is acted on according to olefin metathesis, is used Microwave heating technique, seal pipe, dichloromethane and ruthenium catalyst have synthesized a series of helicenes, referring to hawn, K.C., et al., Angew.Chem.Int.Ed.2006,45,2923-2926, but the method reaction condition requirement it is higher, used catalyst compared with It is expensive, cause synthesis relatively costly.Ichikawa according to a gram type cyclisation is paid, using magic acid, hexafluoroisopropanol, triphenyl tetrafluoro Boric acid carbon and 1,2- dichloroethanes have synthesized a series of helicenes, referring to Ichikawa, J., et al., Angew.Chem.Int.Ed.2008,47,4870-4873, but the method is comparatively laborious from closed loop precursor to final spiral shell Alkene also needs to the reaction of 3 steps, and reagent needed for reaction is somewhat expensive.Oyama has synthesized two using platinum chloride and 1,2- dichloroethanes Methyl silicon [7] helicene, referring to Oyama, H., et al., Org.Lett.2013,15 (9), 2104-2107, but the method makes Platinum chloride catalyst is costly.Ruch is using benzylamine, palladium, the double diphenylphosphine -9,9- dimethyl xanthenes of 4,5- Synthesize a series of helicene with cesium carbonate, referring to Ruch, A.A., Org.Biomol.Chem.2016,14,8123-8140, but The method is comparatively laborious, and accessory substance is more.In sum, much there are Material synthesis and answer in these routes and synthetic method Miscellaneous, reactions steps are more, the reaction time is long, high cost, the shortcomings of operate and post-process loaded down with trivial details, its practical and economic worth is subject to very Big limitation.
The content of the invention
In view of the shortcomings of the prior art, the present invention is intended to provide 8- hexyls-thieno [3 ', 2 ':3,4] benzo [1,2-c] Carbazole compound and its synthetic method.
Summary of the invention:
The present invention with carbazole derivates and thiophene derivant be initial action raw material, by photocatalysis ring-closure reaction, can be with Preparing a class has sulphur azepine [5] helicene compound of good solubility and extensive use, there is not yet suchization in current material Report in terms of compound and its synthetic method.
Detailed description of the invention:
The present invention is achieved through the following technical solutions:
1st, 8- hexyls-thieno [3 ', 2 ':3,4] benzo [1,2-c] carbazole compound
8- hexyls-thieno [3 ', 2 ' of the invention:3,4] benzo [1,2-c] carbazole compound, with shown in formula I Structure:
Wherein, substituent R1-R8It is independently each H, C1-C6Alkyl, halogen, boryl, containing C, H, N, O, S atom Aromatic rings or aromatic heterocycle;R9It is n-hexyl.
According to currently preferred, substituent R1-R8It is independently each H, C1-C6Alkyl, Cl, Br, boryl, benzene or Thiophene;R9It is n-hexyl.
It is further preferred that R3It is C1-C6Alkyl, Cl, Br, boryl, benzene or thiophene,;R1、R2、R4-R8It is H;R9For just Hexyl.
It is more highly preferred to, above-mentioned generalformulaⅰcompound is one of following:
8- hexyls-thieno [3 ', 2 ':3,4] benzo [1,2-c] carbazole I (a)
The bromo- 8- hexyls-thienos [3 ', 2 ' of 11-:3,4] benzo [1,2-c] carbazole I (b)
(trimethylphenyl) boryl -8- of 11- bis- hexyls-thieno [3 ', 2 ':3,4] benzo [1,2-c] carbazole I (c)
11- thiophene -8- hexyls-thieno [3 ', 2 ':3,4] benzo [1,2-c] carbazole I (d)
8- thiophene-thieno [3 ', 2 ':3,4] benzo [1,2-c] carbazole I (e)
2nd, 8- hexyls-thieno [3 ', 2 ':3,4] synthetic method of benzo [1,2-c] carbazole compound
8- hexyls-thieno [3 ', 2 ' of the invention:3,4] synthetic method of benzo [1,2-c] carbazole compound, with Trans- 9- n-hexyls -3- (2- thiophene-vinyl) carbazole derivates are raw material, are prepared by photocatalysis ring-closure reaction.
Chemical equation is as follows:
Reagent and condition:Benzene;I2:Iodine;Expoxy propane;hv:Ultraviolet light;
R1-R9As described in above-mentioned general structure I.
8- hexyls-thieno [3 ', 2 ' of the invention:3,4] synthetic method of benzo [1,2-c] carbazole compound, bag Include following steps:
(1) the organic solvent way of distillation is purified, preserves stand-by under an inert atmosphere;
(2) by trans- 9- n-hexyls -3- (2- thiophene-vinyl) carbazole derivates and iodine with mol ratio (1-2):1 is added to In the organic solvent of step (1) purifying, stirred in dissolving, the concentration that solute in solution is made after being completely dissolved is 0.0005-0.2 Mol/L, leads to inert gas 20-120 minutes;
(3) under lasting stirring state, during expoxy propane added into the solution obtained by step (2), solution in ethylene third is made The concentration of alkane is 0.05-3.0 mol/Ls;
(4) with the high-pressure sodium lamp of 100-800W through solution 10-120 minutes obtained by quartz glass irradiating step (3) extremely Reaction terminates, and obtains crude product;
(5) vacuum rotates out solvent, and the crude product of gained is dissolved in dichloromethane, is successively 5- with mass fraction 60% Na2S2O3Solution and distillation water washing;
(6) separating-purifying is carried out to organic filtrate and obtains product.
According to currently preferred,
Organic solvent described in step (1) is selected from the one kind in benzene, toluene, n-hexane, tetrahydrofuran or dichloromethane.
Separating-purifying in step (6) refer to organic filtrate extracted, washed, being dried, being spin-dried for, silica gel column chromatography, Recrystallization obtains product after separating.
According to the present invention it is further preferred that 8- hexyls-thieno [3 ', 2 ':3,4] benzo [1,2-c] carbazole I (a) Preparation method, comprises the following steps:
(1) organic solvent-benzene is purified with the method for air-distillation, preserves stand-by under an inert atmosphere;
(2) trans- 9- n-hexyls -3- (2- thiophene-vinyl) carbazole 0.45mmol and iodine 0.45mmol is added to step (1) in the 500ml organic solvent-benzenes of purifying, stirred in dissolving, after being completely dissolved, lead to inert gas 20-60 minutes;
(3) under lasting stirring state, by the solution obtained by 18ml expoxy propane addition step (2), solution middle ring is made The concentration of Ethylene Oxide is 0.4-0.6 mol/Ls;
(4) with the high-pressure sodium lamp of 500-800W through solution 10-60 minutes obtained by quartz glass irradiating step (3) to anti- Crude product should be terminated to obtain;
(5) vacuum rotates out solvent, and the crude product of gained is dissolved in dichloromethane, is successively 15- with mass fraction 20% Na2S2O3Solution and distillation water washing;
(6) organic filtrate extracted, washed, being dried, being spin-dried for, silica gel column chromatography, recrystallization separating-purifying after, obtain 8- hexyls-thieno [3 ', 2 ':3,4] benzo [1,2-c] carbazole I (a).
Excellent results of the invention are as follows:
It is of the invention with carbazole derivates and thiophene derivant as raw material compared with existing helicene derivative, extremely short 8- hexyls-the thieno [3 ', 2 ' of a class favorable solubility is obtained in time:3,4] benzo [1,2-c] carbazole compound.This Invention synthetic method operation is simple, and post processing is simple, it is easy to popularization and application.Experiment proves 8- hexyls-thieno [3 ', 2 ': 3,4] benzo [1,2-c] carbazole compound has good dissolubility in different organic solvents, is conducive to carrying for the compound Pure, masking;Various sulphur azepine [5] helicene compounds can be obtained by accessing different substituents.8- hexyls-thiophene that the present invention is provided Fen simultaneously [3 ', 2 ':3,4] benzo [1,2-c] carbazole compound can be in organic electroluminescent, organic field-effect tube, organic second It is used widely in the field such as non-linear, chiral liquid crystal and biological medicine.
Brief description of the drawings
Fig. 1 is the hydrogen spectrogram of trans- 9- n-hexyls -3- (2- thiophene-vinyl) carbazole II (a);Abscissa is chemical shift δ, unit:ppm.
Fig. 2 is the carbon spectrogram of trans- 9- n-hexyls -3- (2- thiophene-vinyl) carbazole II (a);Abscissa is chemical shift δ, unit:ppm.
Fig. 3 is the mass spectrogram of trans- 9- n-hexyls -3- (2- thiophene-vinyl) carbazole II (a);Abscissa is mass-to-charge ratio m/ z;Ordinate is relative intensity, unit:%.
Fig. 4 is 8- hexyls-thieno [3 ', 2 ':3,4] the hydrogen spectrogram of benzo [1,2-c] carbazole I (a);Abscissa is δ, single Position:ppm.
Fig. 5 is 8- hexyls-thieno [3 ', 2 ':3,4] the carbon spectrogram of benzo [1,2-c] carbazole I (a);Abscissa is δ, single Position:ppm.
Fig. 6 is 8- hexyls-thieno [3 ', 2 ':3,4] mass spectrogram of benzo [1,2-c] carbazole I (a);Abscissa is matter lotus Compare m/z;Ordinate is relative intensity, unit:%.
Specific embodiment
With reference to embodiment, the present invention is described further, but not limited to this.Instrument is described as follows with reagent:
High-pressure sodium lamp (Beijing Zhong Jiaojin sources Science and Technology Ltd.), benzene is purified with the method for air-distillation, remaining examination It is pure that agent is chemistry.
The trans- 9- n-hexyls -3- of raw material (2- thiophene-vinyl) carbazole (II) (a-e) used in embodiment is utilized It is prepared by Heck reactions.
Below by taking the preparation method of the raw material II (a) of embodiment 1 as an example, reaction equation is as follows:
Preparation process is as follows:
3- bromine 9- n-hexyl carbazoles:At normal temperatures, to addition magneton, 3- bromine carbazoles in dried 250ml single-necked flasks (4.92g, 0.02mol), TBAB (TBAB, (n-C4H9)4BrN, 3g, 9.2mmol), NaOH (1.2g, 0.03mol) with 80ml acetone, stir.It is stirred at reflux at a temperature of 60 DEG C, after reacting 2-4 hours, stops reaction, is treated It is using constant pressure funnel that the mixing of (4.26ml, 0.03mol) 1- bromos n-hexane and acetone is molten when reaction system is air cooled to room temperature Liquid is slowly added dropwise into flask.Reaction system is stirred at reflux at a temperature of 50-70 DEG C, after reacting 24 hours, stops reaction.Will The acetone of residual rotates out, and residue is extracted using water and dichloromethane, after cleaning extract with distilled water, with nothing Water magnesium sulfate is dried, and then rotates out by dichloromethane, obtains crude product.Using silica gel column chromatography separating-purifying product, Eluent is pure petroleum ether, finally obtains white solid 5.3g, and yield is 80%.1H NMR(400MHz,CDCl3,δ):8.19 (s, 1H), 8.03 (d, J=8Hz, 1H), 7.53-7.45 (m, 2H), 7.39 (d, J=8.4Hz, 1H), 7.25 (t, J=5.4Hz, 1H), 7.21 (t, J=3.8Hz, 1H), 4.25 (t, J=7.2Hz, 2H), 1.87-1.80 (m, 2H), 1.37-1.24 (m, 6H), 0.88 (t, J=8.0Hz, 3H)13C NMR(400MHz,CDCl3,δ):140.73,139.09,128.21,126.31, 124.58,123.07,121.84,120.53,119.17,111.51,110.10,108.92,43.22,31.54,28.87, 26.93,22.51,13.97.
Trans- 9- n-hexyls -3- (2- thiophene-vinyl) carbazole:At normal temperatures, in dried 100ml there-necked flasks Add magneton, the bromo- 9- n-hexyls carbazoles (2.15g, 6.5mmol) of 3-, 2- vinyl thiophenes (0.70g, 6.5mmol), potassium carbonate The N of (0.90g, 6.5mmol), triphenylphosphine (1.70g, 6.5mmol), palladium (0.196g, 1mmol) and 30ml, N- diformazans Base formamide (DMF), stirs, fully dissolving.Using wireway to argon gas is led to 20-40 minutes in reaction phase, then take out true It is empty 3 times.Reaction system is stirred at reflux at a temperature of 100 DEG C, is reacted 40-50 hours, stop reaction.Water is mutually poured into reaction In, then water is mutually extracted 3 times with dichloromethane.After cleaning extract with distilled water, dried with anhydrous magnesium sulfate, then by two Chloromethanes rotates out, obtains crude product.Using silica gel column chromatography separating-purifying product, eluent is petroleum ether:Dichloromethane Alkane=25:1, yellow solid 0.59g is finally obtained, yield is 25%.1H NMR(400MHz,CD2Cl2,δ):8.22(s,1H), 8.14 (d, J=7.6Hz, 1H), 7.66 (dd, J=2.67Hz, 1H), 7.52-7.42 (m, 3H), 7.34 (d, J=16.4Hz, 1H), 7.27 (dd, J=4.9Hz, 1H), 7.22 (dd, J=6.3Hz, 2H), 7.14 (t, J=7.8Hz, 1H), 7.06 (dd, J= 2.8Hz, 1H), 4.32 (t, J=7.2Hz, 2H), 1.89 (t, J=7.4Hz, 2H), 1.35-1.30 (m, 6H), 0.90 (t, J= 7Hz,3H).13C NMR(400MHz,CD2Cl2,δ):143.59,140.90,140.25,129.31,128.00,127.56, 125.82,125.12,124.13,123.46,123.09,122.68,120.26,119.06,118.95,118.27,109.06, 108.97,43.17,31.56,28.90,26.89,22.53,13.75.HRMS(m/z):360.1789[M+H]+(Calcd for C24H25NS:360.1741).
Embodiment 1:8- hexyls-thieno [3 ', 2 ':3,4] preparation of benzo [1,2-c] carbazole (I a)
8- hexyls-thieno [3 ', 2 ':3,4] preparation of benzo [1,2-c] carbazole (I a), step is as follows:
(1) organic solvent-benzene is purified with the method for air-distillation, preserves stand-by under an inert atmosphere;
(2) trans- 9- n-hexyls -3- (2- thiophene-vinyl) carbazole 0.45mmol and iodine 0.46mmol is added to step (1) in the 500ml organic solvent-benzenes of purifying, quickly stirred in dissolving, after being completely dissolved, lead to inert gas 20-60 minutes;
(3) under lasting stirring state, by the solution obtained by 18ml expoxy propane addition step (2), solution middle ring is made The concentration of Ethylene Oxide is 0.4-0.6 mol/Ls;
(4) with the high-pressure sodium lamp of 500-800W W through solution 10-60 minutes obtained by quartz glass irradiating step (3) extremely Reaction terminates to obtain crude product;
(5) vacuum rotates out solvent, and the crude product of gained is dissolved in dichloromethane, is successively 15- with mass fraction 20% Na2S2O3Solution and distillation water washing;
(6) organic filtrate extracted, washed, being dried, being spin-dried for, silica gel column chromatography, recrystallization separating-purifying after, obtain 8- hexyls-thieno [3 ', 2 ':3,4] benzo [1,2-c] carbazole I (a).Yield 0.039g, yield is 24%.
The compound the experiment proved that to be had well in n-hexane, toluene, dichloroethanes, ethyl acetate, acetonitrile, methyl alcohol Dissolubility.
Now by 8- hexyls-thieno [3 ', 2 ':3,4] Spectrum Analysis of benzo [1,2-c] carbazole is as follows:
1H NMR(300MHz,CDCl3,δ):8.33 (s, 2H), 7.78-7.74 (m, 2H), 7.40 (dd, J=4Hz, 4H), 7.31 (dd, J=5.3Hz, 1H), 7.17 (dd, J=2.8Hz, 1H), 4.29 (t, J=7.2Hz, 2H), 1.91 (t, J= 7.2Hz, 2H), 1.43-1.38 (m, 2H), 1.37-1.31 (m, 4H), 0.92 (t, J=7Hz, 3H)
13C NMR(300MHz,CDCl3,δ):139.78,139.71,139.59,133.85,127.67,126.66, 126.57,126.08,124.40,123.49,123.46,123.27,118.64,118.09,115.39,109.38,109.20, 43.24,31.61,29.27,27.00,22.58,14.03.
HRMS(m/z):358.1619[M+H]+(Calcd for C24H23NS:358.1585).
The trans- 9- n-hexyls -3- of raw material (2- thiophene-vinyl) carbazoles and product 8- hexyls-thieno [3 ', 2 ':3,4] benzene And the nuclear magnetic resoance spectrum, mass spectrum of [1,2-c] carbazole are as shown in drawings.
Embodiment 2:11-8- hexyls-thieno [3 ', 2 ':3,4] preparation of benzo [1,2-c] carbazole I (b)
Chemical equation is as follows:
Embodiment 3:(trimethylphenyl) boryl -8- of 11- bis- hexyls-thieno [3 ', 2 ':3,4] benzo [1,2-c] carbazole I The preparation of (c)
Chemical equation is as follows:
Embodiment 4:11- thiophene -8- hexyls-thieno [3 ', 2 ':3,4] benzo [1,2-c] carbazole I (d)
Chemical equation is as follows:
Embodiment 5:8- thiophene-thieno [3 ', 2 ':3,4] benzo [1,2-c] carbazole I (e)
Chemical equation is as follows:

Claims (9)

1.8- hexyls-thieno [3 ', 2 ':3,4] benzo [1,2-c] carbazole compound, it is characterised in that with the institute of formula I The structure shown:
Wherein, substituent R1-R8It is independently each H, C1-C6Alkyl, halogen, boryl, containing C, H, N, O, S atom aromatic rings Or aromatic heterocycle;R9It is n-hexyl.
2. 8- hexyls-thieno [3 ', 2 ' as claimed in claim 1:3,4] benzo [1,2-c] carbazole compound, its feature It is, substituent R1-R8It is independently each H, C1-C6Alkyl, Cl, Br, boryl, benzene or thiophene;R9It is n-hexyl.
3. 8- hexyls-thieno [3 ', 2 ' as claimed in claim 1 or 2:3,4] benzo [1,2-c] carbazole compound, its It is characterised by, R3It is C1-C6Alkyl, Cl, Br, boryl, benzene or thiophene,;R1、R2、R4-R8It is H;R9It is n-hexyl.
4. 8- hexyls-thieno [3 ', 2 ' as claimed in claim 1 or 2:3,4] benzo [1,2-c] carbazole compound, its It is characterised by, generalformulaⅰcompound is one of following:
8- hexyls-thieno [3 ', 2 ':3,4] benzo [1,2-c] carbazole I (a)
The bromo- 8- hexyls-thienos [3 ', 2 ' of 11-:3,4] benzo [1,2-c] carbazole I (b)
(trimethylphenyl) boryl -8- of 11- bis- hexyls-thieno [3 ', 2 ':3,4] benzo [1,2-c] carbazole I (c)
11- thiophene -8- hexyls-thieno [3 ', 2 ':3,4] benzo [1,2-c] carbazole I (d)
8- thiophene-thieno [3 ', 2 ':3,4] benzo [1,2-c] carbazole I (e)
5. 8- hexyls-thieno [3 ', 2 ' as claimed in claim 1 or 2:3,4] system of benzo [1,2-c] carbazole compound Preparation Method, it is characterised in that with trans- 9- n-hexyls -3- (2- thiophene-vinyl) carbazole derivates as raw material, by photocatalysis Ring-closure reaction is prepared.
Chemical equation is as follows:
Reagent and condition:Benzene;I2:Iodine;Expoxy propane;hv:Ultraviolet light;
R1-R9As described in above-mentioned general structure I.
6. 8- hexyls-thieno [3 ', 2 ' as claimed in claim 5:3,4] preparation of benzo [1,2-c] carbazole compound Method, it is characterised in that comprise the following steps:
(1) the organic solvent way of distillation is purified, preserves stand-by under an inert atmosphere;
(2) by trans- 9- n-hexyls -3- (2- thiophene-vinyl) carbazole derivates and iodine with mol ratio (1-2):1 is added to step (1) in the organic solvent of purifying, stirred in dissolving, the concentration of solute in solution is made after being completely dissolved for 0.0005-0.2 rubs You/liter, lead to inert gas 20-120 minutes;
(3) under lasting stirring state, during expoxy propane added into the solution obtained by step (2), solution in ethylene propane is made Concentration is 0.05-3.0 mol/Ls;
(4) with the high-pressure sodium lamp of 100-800W through solution 10-120 minutes obtained by quartz glass irradiating step (3) to reaction Terminate, obtain crude product;
(5) vacuum rotates out solvent, and the crude product of gained is dissolved in dichloromethane, is successively 5-60%'s with mass fraction Na2S2O3Solution and distillation water washing;
(6) separating-purifying is carried out to organic filtrate and obtains product.
7. 8- hexyls-thieno [3 ', 2 ' as claimed in claim 6:3,4] preparation of benzo [1,2-c] carbazole compound Method, it is characterised in that the organic solvent described in step (1) is selected from benzene, toluene, n-hexane, tetrahydrofuran or dichloromethane In one kind.
8. 8- hexyls-thieno [3 ', 2 ' as claimed in claim 6:3,4] preparation of benzo [1,2-c] carbazole compound Method, it is characterised in that the separating-purifying in step (6) refer to organic filtrate extracted, washed, being dried, being spin-dried for, silica gel Column chromatography, recrystallization obtain product after separating.
9. 8- hexyls-thieno [3 ', 2 ' as claimed in claim 4:3,4] preparation method of benzo [1,2-c] carbazole I (a), Comprise the following steps:
(1) organic solvent-benzene is purified with the method for air-distillation, preserves stand-by under an inert atmosphere;
(2) that trans- 9- n-hexyls -3- (2- thiophene-vinyl) carbazole 0.45mmol and iodine 0.45mmol is added into step (1) is pure In the 500ml organic solvent-benzenes of change, stirred in dissolving, after being completely dissolved, lead to inert gas 20-60 minutes;
(3) under lasting stirring state, by the solution obtained by 18ml expoxy propane addition step (2), solution in ethylene third is made The concentration of alkane is 0.4-0.6 mol/Ls;
(4) tied through solution 10-60 minutes obtained by quartz glass irradiating step (3) to reaction with the high-pressure sodium lamp of 500-800W Beam obtains crude product;
(5) vacuum rotates out solvent, and the crude product of gained is dissolved in dichloromethane, is successively 15-20% with mass fraction Na2S2O3Solution and distillation water washing;
(6) organic filtrate extracted, washed, being dried, being spin-dried for, silica gel column chromatography, recrystallization separating-purifying after, obtain 8- oneself Base-thieno [3 ', 2 ':3,4] benzo [1,2-c] carbazole I (a).
CN201611197432.1A 2016-12-22 2016-12-22 8- hexyl-thieno [3 ', 2 ':3,4] benzo [1,2-c] carbazole compound and its synthetic method Expired - Fee Related CN106749315B (en)

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CN109134345A (en) * 2018-10-15 2019-01-04 山东大学 15- hexyl-tetraphenyl simultaneously [1,2-b] carbazole aromatic fused ring compound and its synthetic method

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JP2010177634A (en) * 2009-02-02 2010-08-12 Mitsui Chemicals Inc Organic transistor
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WO2014098455A1 (en) * 2012-12-17 2014-06-26 주식회사 두산 Novel organic compound and organic electroluminescent element comprising same
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JP2010177634A (en) * 2009-02-02 2010-08-12 Mitsui Chemicals Inc Organic transistor
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Publication number Priority date Publication date Assignee Title
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