CN104370937B - The synthetic method and purposes of a kind of containing oxygen group elements and five condensed ring conjugated molecules and its derivative - Google Patents

The synthetic method and purposes of a kind of containing oxygen group elements and five condensed ring conjugated molecules and its derivative Download PDF

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CN104370937B
CN104370937B CN201310362715.7A CN201310362715A CN104370937B CN 104370937 B CN104370937 B CN 104370937B CN 201310362715 A CN201310362715 A CN 201310362715A CN 104370937 B CN104370937 B CN 104370937B
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thiophene
sulfidomethyls
furans
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selenophen
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CN104370937A (en
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葛子义
刘其达
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Zhejiang Hua Hui Photoelectric Technology Co., Ltd.
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D495/00Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
    • C07D495/22Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains four or more hetero rings
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D517/00Heterocyclic compounds containing in the condensed system at least one hetero ring having selenium, tellurium, or halogen atoms as ring hetero atoms
    • C07D517/22Heterocyclic compounds containing in the condensed system at least one hetero ring having selenium, tellurium, or halogen atoms as ring hetero atoms in which the condensed system contains four or more hetero rings
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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    • H10K85/00Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60Organic compounds having low molecular weight
    • H10K85/649Aromatic compounds comprising a hetero atom
    • H10K85/657Polycyclic condensed heteroaromatic hydrocarbons
    • 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
    • H10K85/60Organic compounds having low molecular weight
    • H10K85/649Aromatic compounds comprising a hetero atom
    • H10K85/657Polycyclic condensed heteroaromatic hydrocarbons
    • H10K85/6576Polycyclic condensed heteroaromatic hydrocarbons comprising only sulfur in the heteroaromatic polycondensed ring system, e.g. benzothiophene
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    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract

The present invention relates to the preparation method and use of a kind of containing oxygen group elements and five condensed ring conjugated molecules and its derivative, wherein oxygen-containing race's element and five condensed ring conjugated molecule structures be:Described containing oxygen group elements and five condensed ring conjugated molecule derivant structures are:

Description

A kind of synthetic method of containing oxygen group elements and five condensed ring conjugated molecules and its derivative And purposes
Technical field
The present invention relates to the synthetic method of a kind of containing oxygen group elements and five condensed ring conjugated molecules and its derivative, Yi Jihan Oxygen group elements and five condensed ring conjugated molecules and its derivative purposes.
Background technology
Field-effect transistor was used widely as most important unit component in microelectronics, in 1986 (Tsumura, the A. such as Tsumura, A;Koezuka, H.;Ando, T.Appl.Phys.Lett, 1986,49,1210) report one New field-effect transistor --- the organic field effect tube (OFET) of kind, subsequent organic field effect tube prepare work by its The advantages that skill is simple, cost is low, in light weight and pliability is good and in smart card, electronic trademark, Electronic Paper, memory, sensing Device and Active Matrix Display etc. are all many widely used to have obtained the numerous studies of numerous researchers.
In the organic semiconducting materials used in organic field effect tube, although pentacene good film-forming property, mobility are high, But its stability is poor, visible region is absorbed by force, so as to limit its development in field of display.Chemistry institute of Chinese Academy of Sciences Liu Yun Uncommon researcher, primary track this academician synthesized using thiophene as construction unit and five thiophene, its semiconducting behavior is preferable, with pentacene Compared to there is higher stability, but its synthesis step is more complicated.The present invention is devised a kind of synthesis including simultaneously five thiophene A variety of condensed ring conjugated molecules and its derivative containing oxygen group elements method.These condensed ring conjugated molecules are respectively provided with larger be total to Yoke structure, higher carrier mobility, it is a kind of good organic semiconducting materials, can be applied to organic effect crystal The donor material of pipe and organic solar batteries.
The content of the invention
In view of this, the invention discloses the synthesis of a kind of containing oxygen group elements and five condensed ring conjugated molecules and its derivative Method, a series of this condensed ring conjugated molecule can use wet processing in ito glass or silicon chip, ceramic substrate surface on, through appropriate Heating anneal processing, the transparent membrane of high-sequential, while big pi-conjugated structure can be formed, be advantageous to carrier transport.
Therefore, there can be important application value in the field such as OTFT and organic solar batteries.
To achieve these goals, the present invention has synthesized following compound:
A kind of containing oxygen group elements and five condensed ring conjugated molecules, its structure are as follows:
X is O, S, Se, and its counter structure is as follows:
A kind of containing oxygen group elements and five condensed ring conjugated molecule derivatives, its structure are as follows:
X is 0, S, Se, and its counter structure is as follows:
Wherein, R is to include:Alkyl, including methyl, ethyl, propyl group, isopropyl, butyl, amyl group, hexyl, heptyl, octyl group, Nonyl, decyl, undecyl, dodecyl, tridecyl, myristyl, pentadecyl, cetyl, heptadecyl and ten At least one of eight alkyl;Alkoxy, including methoxyl group, ethyoxyl, propoxyl group, butoxy, amoxy, hexyloxy, oxygen in heptan Base, octyloxy, nonyl epoxide, decyloxy, hendecane epoxide, dodecyloxy, tridecane epoxide, tetradecyloxyaniline, pentadecane oxygen At least one of base, hexadecane epoxide, heptadecane epoxide and octadecane epoxide;Aryl, including phenyl, naphthyl, tolyl, second Base phenyl, propyl group phenyl, butyl phenyl, amyl group phenyl, hexyl phenyl, heptyl phenyl, octyl phenyl, nonyl phenyl, decyl benzene Base, undecyl phenyl, dodecylphenyl, tridecyl phenyl, myristyl phenyl, pentadecylphenyl, cetyl At least one in phenyl, heptadecyl phenyl and octadecylphenyl;Thienyl, including thiophene, 1,4-Dithiapentalene, 5- thiophene Thiophene, 5- ethylthiophenes, 5- propyl group thiophene, 5- isopropyls thiophene, 5- butyl thiophenes, 5- amylic thiophenes, 5- hexyl thiophenes, 5- heptan Base thiophene, 5- octyl thiophenes, 5- nonyls thiophene, 5- decylthiophenes, 5- undecyls thiophene, 5- dodecylthiophenes, 5- 13 Alkylthrophene, 5- myristyls thiophene, 5- pentadecyls thiophene, 5- cetyls thiophene, 5- heptadecyls thiophene, 5- octadecanes At least one in base thiophene.
3rd, a kind of to prepare containing oxygen group elements and five condensed ring conjugated molecules methods, its reaction scheme is as follows:
Methods described comprises the following steps:
(1) at -78 DEG C, take 3- bromines furans or 3 bromo thiophene or 1 part of 3- bromines selenophen to be added in anhydrous THF, add dropwise Enter 1 part of n-BuLi, moved on at room temperature after stirring 0.5~3h.1~2.0 part of dimethyl disulfide is added in said mixture, 10~24h is stirred, is quenched with saturated ammonium chloride, dichloromethane extraction, drying is spin-dried for, and is crossed post and is obtained 3- sulfidomethyls furans or 3- sulphur first Base thiophene or 3- sulfidomethyl selenophens;
(2) at 0 DEG C, 3- sulfidomethyls furans or 3- sulfidomethyls thiophene or 1 part of 3- sulfidomethyls selenophen is taken to be added to dichloromethane In alkane, 1 part of bromine will be added, stir 2.5~5.0h, add saturation NaHSO3Or hypo solution, extract organic Mutually and drying is spin-dried for, and is crossed post and is obtained the bromo- 3- sulfidomethyls furans of 2- or the bromo- 3- sulfidomethyls thiophene of 2- or the bromo- 3- sulfidomethyls selenophens of 2-;
(3) the bromo- 3- sulfidomethyls furans of 2- or the bromo- 3- sulfidomethyls thiophene of 2- or the bromo- 3- sulfidomethyls selenophens 2.2~3.0 of 2- are taken Part is added in THF, in N2Or Pd (the PPh of the lower addition 2~10% of Ar protections3)4, it is heated to reflux 24-48h.Screw out THF, extraction Obtain organic phase and drying is spin-dried for, cross post and obtain 2,5- (2- (3- sulfidomethyls) furans) furans or 2,5- (2- (3- sulfidomethyls) thiophene) Thiophene or 2,5- (2- (3- sulfidomethyls) selenophen) selenophen;
(4) 1 part of 2,5- (2- (3- sulfidomethyls) furans) furans or 2,5- (2- (3- sulfidomethyls) thiophene) thiophene or 2,5- are taken (2- (3- sulfidomethyls) selenophen) selenophen is added in glacial acetic acid, and 25~40% H is slowly added in said mixture2O22.2~ 4.0 parts, 20~36h of temperature rising reflux, it is spin-dried for obtaining mixture, 3~5 parts of trifluoromethanesulfonic acid is added in the mixture, in room temperature 24~36h of lower stirring, reaction product is poured into the mixed liquor of water and pyridine and is heated to reflux 0.5~1.0h, is filtered and is used dichloro Methane wash product, distil target product containing oxygen group elements and five condensed ring conjugated molecules.
It should be noted that the ratio of the water and pyridine is 8: 1.
A kind of to prepare containing oxygen group elements and five condensed ring conjugated molecule derivatives synthetic methods, its reaction scheme is as follows:
Wherein, comprise the following steps:
(1)N2Or under Ar protections, 2,4- dibrom furans or 2,4- dibromo thiophene or 2,4- dibromo selenophen are added in anhydrous THF At 1 part, -78 DEG C plus 1 part of n-BuLi reacts 1.0~2.0h, then adds 1~2 part of 12~24h of RI backflows to obtain 2-R base -4- bromine furans Or 2-R base -4- bromothiophenes or 2-R base -4- bromine selenophens;
(2) at -78 DEG C, 2-R bases -4- bromines furans or 2-R base -4- bromothiophenes or the 1 part of addition of 2-R base -4- bromines selenophen are taken Into anhydrous THF, 1 part of n-BuLi is added dropwise, is moved on at room temperature after stirring 0.5~3h.In said mixture add 1~ 2.0 parts of dimethyl disulfide, 10~24h is stirred, is quenched with saturated ammonium chloride, dichloromethane extraction, drying is spin-dried for, and is crossed post and is obtained 2-R bases -4- sulfidomethyls furans or 2-R bases -4- sulfidomethyls thiophene or 2-R base -4- sulfidomethyl selenophens;
(3) at 0 DEG C, 2-R bases -4- sulfidomethyls furans or 2-R bases -4- sulfidomethyls thiophene or 2-R base -4- sulfidomethyl selenium are taken 1 part of fen is added in dichloromethane, and adds 1 part of bromine, stirs 2.5~5.0h, adds saturation NaHSO3Or thiosulfuric acid Sodium solution, extract organic phase and drying be spin-dried for, cross post obtain the bromo- 5-R bases -3- sulfidomethyls furans of 2- or the bromo- 5-R bases -3- of 2- Sulfidomethyl thiophene or the bromo- 5-R bases -3- sulfidomethyl selenophens of 2-;
(4) the bromo- 5-R bases -3- sulfidomethyls furans of 2- or the bromo- 5-R bases -3- sulfidomethyls thiophene of 2- or the bromo- 5-R bases -3- of 2- are taken 1 part of sulfidomethyl selenophen, the furan boronic acids of 2,5- bis- or 2,5- Dithiophene boric acid or 2.2~3.0 parts of bis- selenophen boric acid of 2,5- are added to In THF, in N2Or Pd (the PPh of the lower addition 2~10% of Ar protections3)4, it is heated to reflux 24~48h.THF is screwed out, extracts organic Mutually and drying is spin-dried for, and is crossed post and is obtained 2,5- (2- (5-R base -3- sulfidomethyls) furans) furans or 2,5- (2- (5-R base -3- sulphur first Base) thiophene) thiophene or 2,5- (2- (5-R base -3- sulfidomethyls) selenophen) selenophen);
(5) 1 part of 2,5- (2- (5-R base -3- sulfidomethyls) furans) furans or 2,5- (2- (5-R base -3- sulfidomethyls) thiophene are taken Fen) thiophene or 2,5- (2- (5-R base -3- sulfidomethyls) selenophen) selenophen be added in glacial acetic acid, in said mixture slowly plus Enter 25~40% H2O22.2~4 parts, 20~36h of temperature rising reflux, it is spin-dried for obtaining mixture, adds 3~5 parts in the mixture Trifluoromethanesulfonic acid, 24~36h is stirred at room temperature, reaction product is poured into the mixed liquor of water and pyridine and is heated to reflux 0.5~ 1.0h, filter and use dichloromethane wash products, distil target product containing oxygen group elements and five condensed ring conjugated molecules derivative Thing.
It should be noted that the ratio of the water and pyridine is 8: 1.
It should be noted that its step (3) includes with the R bases described in (4):Alkyl, including methyl, ethyl, propyl group, Isopropyl, butyl, amyl group, hexyl, heptyl, octyl group, nonyl, decyl, undecyl, dodecyl, tridecyl, the tetradecane At least one of base, pentadecyl, cetyl, heptadecyl and octadecyl;Alkoxy, including methoxyl group, second Epoxide, propoxyl group, butoxy, amoxy, hexyloxy, epoxide in heptan, octyloxy, nonyl epoxide, decyloxy, hendecane epoxide, 12 In alkoxy, tridecane epoxide, tetradecyloxyaniline, pentadecane epoxide, hexadecane epoxide, heptadecane epoxide and octadecane epoxide It is at least one;Aryl, including phenyl, naphthyl, tolyl, ethylphenyl, propyl group phenyl, butyl phenyl, amyl group phenyl, oneself Base phenyl, heptyl phenyl, octyl phenyl, nonyl phenyl, decyl phenyl, undecyl phenyl, dodecylphenyl, tridecyl In phenyl, myristyl phenyl, pentadecylphenyl, cetyl phenyl, heptadecyl phenyl and octadecylphenyl It is at least one;Thienyl, including 5- thiophene thiophene, 5- ethylthiophenes, 5- propyl group thiophene, 5- isopropyls thiophene, 5- butyl Thiophene, 5- amylic thiophenes, 5- hexyl thiophenes, 5- heptyl thiophene, 5- octyl thiophenes, 5- nonyls thiophene, 5- decylthiophenes, 5- 11 Alkylthrophene, 5- dodecylthiophenes, 5- tridecyls thiophene, 5- myristyls thiophene, 5- pentadecyls thiophene, 5- hexadecanes At least one in base thiophene, 5- heptadecyls thiophene, 5- octadecyl thiophene.
A kind of containing oxygen group elements and five condensed ring conjugated molecules and its derivant material can be applied to OLED, polycrystalline organic thin film The donor material of body pipe p-type material and organic solar batteries.
Beneficial effect of the present invention is:
1st, synthesis step is simple, and yield is higher;
2nd, dissolubility is good, dissolves in a variety of Conventional solvents (dichloromethane, chloroform, tetrahydrofuran, DMF, DMSO etc.);
3rd, higher carrier mobility.
Embodiment
Below in conjunction with embodiment, the invention will be further described, but should not be construed as limiting the invention.
It should be noted that following embodiments 1~3 are containing oxygen group elements and five condensed ring conjugated molecules, embodiment 4~7 It is containing oxygen group elements and five condensed ring conjugated molecule derivatives.
Example 1
Preparation:
At -78 DEG C, take 1 part of 3- bromines furans to be added in anhydrous THF, 1 part of BuLi is added dropwise, after stirring 0.5~3h Move on at room temperature.1~2.0 part of dimethyl disulfide is added in said mixture, 10~24h is stirred, uses saturated ammonium chloride It is quenched, dichloromethane extraction, drying is spin-dried for, and is crossed post and is obtained 3- sulfidomethyl furans.
At 0 DEG C, take 1 part of 3- sulfidomethyls furans to be added in dichloromethane, will add 1 part of bromine, stirring 2.5~ 5.0h, add saturation NaHSO3Or hypo solution, extract organic phase and drying be spin-dried for, cross post obtain the bromo- 3- sulphur of 2- Methylfuran
2.2~3.0 parts of the bromo- 3- sulfidomethyls furans of 2- is taken to be added in THF, in N2Or the lower addition 2~10% of Ar protections Pd(PPh3)4, it is heated to reflux 24~48h.Screw out THF, extract organic phase and drying be spin-dried for, cross post obtain 2,5- (2- (3- sulphur Methyl) furans) furans.
1 part of 2,5- (2- (3- sulfidomethyls) furans) furans is taken to be added in glacial acetic acid, be slowly added in said mixture 25~40% H2O22.2~4 parts, 20~36h of temperature rising reflux, it is spin-dried for obtaining mixture, in the mixture the three of 3~5 parts of addition Fluorine methanesulfonic acid, stirs 24-36h at room temperature, reaction product is poured into the mixed liquor of water and pyridine and is heated to reflux 0.5~ 1.0h, filter and with dichloromethane wash products, distil to obtain target product.It should be noted that water: pyridine=8: 1.Nuclear-magnetism is total to Shake result:1H NMR(CDCl3, 400MHz), δ (ppm):7.38 (d, 2H), 6.30 (d, 2H).
Example 2
Preparation:
At -78 DEG C, take 1 part of 3 bromo thiophene to be added in anhydrous THF, 1 part of BuLi is added dropwise, after stirring 0.5~3h Move on at room temperature.1~2.0 part of dimethyl disulfide is added in said mixture, 10~24h is stirred, uses saturated ammonium chloride It is quenched, dichloromethane extraction, drying is spin-dried for, and is crossed post and is obtained 3- sulfidomethyl thiophene.
At 0 DEG C, take 1 part of 3- sulfidomethyls thiophene to be added in dichloromethane, will add 1 part of bromine, stirring 2.5~ 5.0h, add saturation NaHSO3Or hypo solution, extract organic phase and drying be spin-dried for, cross post obtain the bromo- 3- sulphur of 2- Methylthiophene.
2.2~3.0 parts of the bromo- 3- sulfidomethyls thiophene of 2- is taken to be added in THF, in N2Or the lower addition 2~10% of Ar protections Pd(PPh3)4, it is heated to reflux 24~48h.Screw out THF, extract organic phase and drying be spin-dried for, cross post obtain 2,5- (2- (3- sulphur Methyl) thiophene) thiophene.
1 part of 2,5- (2- (3- sulfidomethyls) thiophene) thiophene is taken to be added in glacial acetic acid, be slowly added in said mixture 25~40% H2O22.2~4 parts, 20~36h of temperature rising reflux, it is spin-dried for obtaining mixture, in the mixture the three of 3~5 parts of addition Fluorine methanesulfonic acid, 24~36h is stirred at room temperature, reaction product is poured into the mixed liquor of water and pyridine and is heated to reflux 0.5~ 1.0h, filter and with dichloromethane wash products, distil to obtain target product.It should be noted that water: pyridine=8: 1.Nuclear-magnetism is total to Shake result:1H NMR(CDCl3, 400MHz), δ (ppm):7.20 (d, 2H), 6.96 (d, 2H).
Example 3
Preparation:
At -78 DEG C, 1 part of 3- bromines selenophen is added in anhydrous THF, and 1 part of BuLi is added dropwise, and is moved after stirring 0.5~3h To at room temperature.1~2.0 part of dimethyl disulfide is added in said mixture, 10~24h is stirred, is quenched with saturated ammonium chloride Go out, dichloromethane extraction, drying is spin-dried for, and is crossed post and is obtained 3- sulfidomethyl thiophene.
At 0 DEG C, 1 part of 3- sulfidomethyls selenophen is added in dichloromethane, will add 1 part of bromine, and stirring 2.5~ 5.0h, add saturation NaHSO3Or hypo solution, extract organic phase and drying be spin-dried for, cross post obtain the bromo- 3- sulphur of 2- Methyl selenophen.
2.2~3.0 parts of the bromo- 3- sulfidomethyls selenophens of 2- are taken to be added in THF, in N2Or the lower Pd for adding 2-10% of Ar protections (PPh3) 4, it is heated to reflux 24~48h.Screw out THF, extract organic phase and drying be spin-dried for, cross post obtain 2,5- (2- (3- sulphur first Base) selenophen) selenophen.
1 part of 2,5- (2- (3- sulfidomethyls) selenophen) selenophen is taken to be added in glacial acetic acid, be slowly added in said mixture 25~40% H2O22.2~4 parts, 20~36h of temperature rising reflux, it is spin-dried for obtaining mixture, in the mixture the three of 3~5 parts of addition Fluorine methanesulfonic acid, 24-36h is stirred at room temperature, reaction product is poured into the mixed liquor of water and pyridine and is heated to reflux 0.5~ 1.0h, filter and with dichloromethane wash products, distil to obtain target product.It should be noted that water: pyridine=8: 1.Nuclear-magnetism is total to Shake result:1H NMR(CDCl3, 400MHz), δ (ppm):6.60 (d, 2H), 5.20 (d, 2H).
Example 4
Preparation:
In N2Or under Ar protections, in anhydrous THF plus at 1 part, -78 DEG C of 2,4- dibromo thiophenes plus 1 part of n-BuLi reacts 1.0 ~2.0h, then add 1~2 part of C6H13I backflows 12-24h obtains 2- hexyl -4- bromothiophenes.
At -78 DEG C, take 1 part of 2- hexyl -4- bromothiophenes to be added in anhydrous THF, 1 part of n-BuLi is added dropwise, stir Moved on at room temperature after 0.5~3h.1~2.0 part of dimethyl disulfide is added in said mixture, stirs 10~24h, with full It is quenched with ammonium chloride, dichloromethane extraction, drying is spin-dried for, and is crossed post and is obtained 2- hexyl -4- sulfidomethyl thiophene.
At 0 DEG C, take 1 part of 2- hexyl -4- sulfidomethyls thiophene to be added in dichloromethane, 1 part of bromine, stirring will be added 2.5~5.0h, add saturation NaHSO3Or hypo solution, extract organic phase and drying are spin-dried for, crossing post, to obtain 2- bromo- 5- hexyl -3- sulfidomethyl thiophene.
1 part of the bromo- 5- hexyls -3- sulfidomethyls thiophene of 2-, 2,5- Dithiophene boric acid 2.2-3.0 parts is taken to be added in THF, in N2 Or the lower Pd (PPh for adding 2-10% of Ar protections3)4, it is heated to reflux 24~48h.THF is screwed out, extracts to obtain organic phase and dry rotation It is dry, cross post and obtain 2,5- (2- (5- hexyl -3- sulfidomethyls) thiophene) thiophene.
Take 1 part of 2,5- (2- (5- hexyl -3- sulfidomethyls) thiophene) thiophene to be added in glacial acetic acid, delay in said mixture The H of slow addition 25~40%2O22.2~4 parts, 20~36h of temperature rising reflux, it is spin-dried for obtaining mixture, adds 3-5 in the mixture The trifluoromethanesulfonic acid of part, 24~36h is stirred at room temperature, reaction product is poured into the mixed liquor of water and pyridine and is heated to reflux 0.5~1.0h, filter and with dichloromethane wash products, distil to obtain target product.It should be noted that water: pyridine=8: 1.Core Magnetic resonance results:1H NMR(CDCl3, 400MHz), δ (ppm):6.60 (d, 2H), 2.72 (m, 4H), 1.59 (m, 4H), 1.31 (m, 4H), 1.29 (m, 8H), 0.88 (m, 6H).
Example 5
Preparation:
In N2Or under Ar protections, in anhydrous THF plus at 1 part, -78 DEG C of 2,4- dibromo thiophenes plus 1 part of n-BuLi reacts 1.0 ~2.0h, then add 1-2 parts C6H1312~24h of I backflows obtains the bromo- 2- of 4- (2- (5- hexyls) thiophene) thiophene.
At -78 DEG C, take the bromo- 2- of 4- (2- (5- hexyls) thiophene) 1 part of thiophene to be added in anhydrous THF, be added dropwise 1 part BuLi, moved on at room temperature after stirring 0.5~3h.1~2.0 part of dimethyl disulfide, stirring 10 are added in said mixture ~24h, is quenched with saturated ammonium chloride, and dichloromethane extraction, drying is spin-dried for, and is crossed post and is obtained 2- (2- (5- hexyls) thiophene) -4- sulphur first Base thiophene.
At 0 DEG C, take 2- (2- (5- hexyls) thiophene) 1 part of -4- sulfidomethyls thiophene to be added in dichloromethane, 1 will be added The bromine of part, 2.5~5.0h is stirred, add saturation NaHSO3Or hypo solution, extract organic phase and drying be spin-dried for, Cross post and obtain the bromo- 5- of 2- (2- (5- hexyls) thiophene) -3- sulfidomethyl thiophene.
The bromo- 5- of 2- (2- (5- hexyls) thiophene) 1 part of -3- sulfidomethyls thiophene, 2.2~3.0 parts of 2,5- Dithiophenes boric acid is taken to add Enter into THF, in N2Or Pd (the PPh of the lower addition 2~10% of Ar protections3)4, it is heated to reflux 24~48h.THF is screwed out, is extracted Organic phase and drying be spin-dried for, cross post obtain 2,5- (2- (5- hexyls) thiophene -3- sulfidomethyls) thiophene) thiophene.
Taking 1 part of 2,5- (2- (5- hexyls) thiophene -3- sulfidomethyls) thiophene) thiophene is added in glacial acetic acid, in above-mentioned mixing 25~40% H is slowly added in thing2O22.2~4 parts, 20~36h of temperature rising reflux, it is spin-dried for obtaining mixture, adds in the mixture Enter 3~5 parts of trifluoromethanesulfonic acid, stir 24~36h at room temperature, reaction product is poured into the mixed liquor of water and pyridine and heated Flow back 0.5~1.0h, filters and with dichloromethane wash products, distil to obtain target product.It should be noted that water: pyridine=8: 1.Nuclear magnetic resonance result:1H NMR(CDCl3, 400MHz), δ (ppm):7.49 (d, 2H), 7.25 (d, 2H), 6.83 (d, 2H), 2.77 (m, 4H), 1.59 (m, 4H), 1.31 (m, 4H), 1.29 (m, 8H), 0.88 (m, 6H).
Example 6
Preparation:
In N2Or under Ar protections, in anhydrous THF plus at 1 part, -78 DEG C of 2,4- dibromo thiophenes plus 1 part of n-BuLi reacts 1.0 ~2.0h, then add 1-2 parts C6H1312~24h of I backflows obtains the bromo- 2- of 4- (2- (5- hexyls) benzene) thiophene.
At -78 DEG C, take the bromo- 2- of 4- (2- (5- hexyls) benzene) 1 part of thiophene to be added in anhydrous THF, be added dropwise 1 part BuLi, moved on at room temperature after stirring 0.5~3h.1~2.0 part of dimethyl disulfide, stirring 10 are added in said mixture ~24h, is quenched with saturated ammonium chloride, and dichloromethane extraction, drying is spin-dried for, and is crossed post and is obtained 2- (2- (5- hexyls) benzene) -4- sulfidomethyls Thiophene.
At 0 DEG C, take 2- (2- (5- hexyls) benzene) 1 part of -4- sulfidomethyls thiophene to be added in dichloromethane, 1 part will be added Bromine, stir 2.5~5.0h, add saturation NaHSO3Or hypo solution, extract organic phase and drying be spin-dried for, mistake Post obtains the bromo- 5- of 2- (2- (5- hexyls) benzene) -3- sulfidomethyl thiophene.
Take the bromo- 5- of 2- (2- (5- hexyls) benzene) 1 part of -3- sulfidomethyls thiophene, 2,5- Dithiophenes boric acid, 2.2~3.0 parts of additions Into THF, in N2Or Pd (the PPh of the lower addition 2~10% of Ar protections3)4, it is heated to reflux 24~48h.THF is screwed out, extracting to have Machine phase and drying be spin-dried for, cross post obtain 2,5- (2- (5- hexyls) benzene -3- sulfidomethyls) thiophene) thiophene.
Taking 1 part of 2,5- (2- (5- hexyls) benzene -3- sulfidomethyls) thiophene) thiophene is added in glacial acetic acid, in said mixture In be slowly added to 25~40% H2O22.2~4 parts, 20~36h of temperature rising reflux, it is spin-dried for obtaining mixture, adds in the mixture 3~5 parts of trifluoromethanesulfonic acid, 24~36h is stirred at room temperature, reaction product is poured into the mixed liquor of water and pyridine and heated back 0.5~1.0h is flowed, is filtered and with dichloromethane wash products, distil to obtain target product.It should be noted that water: pyridine=8: 1. Nuclear magnetic resonance result:1H NMR(CDCl3, 400MHz), δ (ppm):7.74 (d, 4H), 7.35 (d, 4H), 7.25 (d, 2H), 2.62 (m, 4H), 1.59 (m, 4H), 1.31 (m, 4H), 1.29 (m, 8H), 0.88 (m, 6H).
Example 7
Preparation:
Take 3 parts of n-hexyl alcohols, add 3 parts of Na, add 1 part of 2,4- dibromo thiophene, 0.5 part of CuO, it is stirred at reflux 3.0~ 10.0h, obtain the bromo- 4- hexyloxies thiophene of 2-.
At -78 DEG C, take 1 part of the bromo- 4- hexyloxies thiophene of 2- to be added in anhydrous THF, 1 part of BuLi is added dropwise, stir Moved on at room temperature after 0.5~3h.1~2.0 part of dimethyl disulfide is added in said mixture, stirs 10~24h, with full It is quenched with ammonium chloride, dichloromethane extraction, drying is spin-dried for, and is crossed post and is obtained 2- hexyloxy -4- sulfidomethyl thiophene.
At 0 DEG C, take 1 part of 2- hexyloxy -4- sulfidomethyls thiophene to be added in dichloromethane, 1 part of bromine will be added, stirred 2.5~5.0h is mixed, adds saturation NaHSO3Or hypo solution, extract organic phase and drying be spin-dried for, cross post obtain 2- Bromo- 5- hexyloxies -3- sulfidomethyl thiophene.
1 part of the bromo- 5- hexyloxies -3- sulfidomethyls thiophene of 2-, 2.2~3.0 parts of 2,5- Dithiophenes boric acid is taken to be added in THF, In N2Or Pd (the PPh of the lower addition 2~10% of Ar protections3)4, it is heated to reflux 24~48h.THF is screwed out, extracts organic phase and to do It is dry to be spin-dried for, cross post and obtain 2,5- (2- (5- hexyloxy -3- sulfidomethyls) thiophene) thiophene.
1 part of 2,5- (2- (5- hexyloxy -3- sulfidomethyls) thiophene) thiophene is taken to be added in glacial acetic acid, in said mixture It is slowly added to 25~40% H2O22.2~4 parts, 20~36h of temperature rising reflux, it is spin-dried for obtaining mixture, adds 3- in the mixture 5 parts of trifluoromethanesulfonic acid, 24~36h is stirred at room temperature, reaction product is poured into the mixed liquor of water and pyridine and is heated to reflux 0.5~1.0h, filter and with dichloromethane wash products, distil to obtain target product.It should be noted that water: pyridine=8: 1.Core Magnetic resonance results:1H NMR(CDCl3, 400 MHz), δ (ppm):6.02 (d, 2H), 4.06 (m, 4H), 1.76 (m, 4H), 1.43 (m, 4H), 1.31 (m, 4H), 1.29 (m, 4H), 0.88 (m, 6H).
For those skilled in the art, technical scheme that can be as described above and design, make other each Kind is corresponding to be changed and deforms, and all these change and deformed the protection model that should all belong to the claims in the present invention Within enclosing.

Claims (4)

1. a kind of prepare containing oxygen group elements and five condensed ring conjugated molecules methods, it is characterised in that described containing oxygen group elements And five condensed ring conjugated molecule structure it is as follows:
X is O, S, Se, and its counter structure is as follows:
Methods described comprises the following steps:
(1) at -78 DEG C, take 3- bromines furans or 3 bromo thiophene or 1 part of 3- bromines selenophen to be added in anhydrous THF, be added dropwise 1 part BuLi, moved on at room temperature after stirring 0.5~3h;1~2.0 part of dimethyl disulfide, stirring 10 are added in said mixture ~24h, is quenched with saturated ammonium chloride, and dichloromethane extraction, drying is spin-dried for, and is crossed post and is obtained 3- sulfidomethyls furans or 3- sulfidomethyl thiophene Or 3- sulfidomethyl selenophens;
(2) at 0 DEG C, 3- sulfidomethyls furans or 3- sulfidomethyls thiophene or 1 part of 3- sulfidomethyls selenophen is taken to be added in dichloromethane, 1 part of bromine will be added, stir 2.5~5.0h, add saturation NaHSO3Or hypo solution, extract organic phase and to do It is dry to be spin-dried for, cross post and obtain the bromo- 3- sulfidomethyls furans of 2- or the bromo- 3- sulfidomethyls thiophene of 2- or the bromo- 3- sulfidomethyls selenophens of 2-;
(3) the bromo- 3- sulfidomethyls furans of 2- or the bromo- 3- sulfidomethyls thiophene of 2- or 2.2~3.0 parts of the bromo- 3- sulfidomethyls selenophens of 2- is taken to add Enter into THF, in N2Or Pd (the PPh of the lower addition 2~10% of Ar protections3)4, it is heated to reflux 24-48h;THF is screwed out, extracting to have Machine phase and drying be spin-dried for, cross post obtain 2,5- (2- (3- sulfidomethyls) furans) furans or 2,5- (2- (3- sulfidomethyls) thiophene) thiophene Or 2,5- (2- (3- sulfidomethyls) selenophen) selenophen;
(4) 1 part of 2,5- (2- (3- sulfidomethyls) furans) furans or 2,5- (2- (3- sulfidomethyls) thiophene) thiophene or 2,5- (2- are taken (3- sulfidomethyls) selenophen) selenophen is added in glacial acetic acid, 25~40% H is slowly added in said mixture2O22.2~4.0 Part, 20~36h of temperature rising reflux, it is spin-dried for obtaining mixture, adds 3~5 parts of trifluoromethanesulfonic acid in the mixture, stir at room temperature 24~36h is mixed, reaction product is poured into the mixed liquor of water and pyridine and is heated to reflux 0.5~1.0h, filters and uses dichloromethane Wash products, distil target product containing oxygen group elements and five condensed ring conjugated molecules.
2. according to claim 1 containing oxygen group elements and five condensed ring conjugated molecule preparation methods, it is characterised in that described The ratio of water and pyridine is 8: 1.
3. a kind of prepare containing oxygen group elements and five condensed ring conjugated molecule derivatives methods, it is characterised in that described to contain chalcogen Element and five condensed ring conjugated molecule derivant structures it is as follows:
X is O, S, Se, and its counter structure is as follows:
Wherein, R is:Alkyl or alkoxy, aryl, at least one of thienyl;Wherein, alkyl be methyl, it is ethyl, propyl group, different Propyl group, butyl, amyl group, hexyl, heptyl, octyl group, nonyl, decyl, undecyl, dodecyl, tridecyl, myristyl, At least one of pentadecyl, cetyl, heptadecyl and octadecyl;Alkoxy is methoxyl group, ethyoxyl, the third oxygen Base, butoxy, amoxy, hexyloxy, epoxide in heptan, octyloxy, nonyl epoxide, decyloxy, hendecane epoxide, dodecyloxy, ten At least one of tri-alkoxy, tetradecyloxyaniline, pentadecane epoxide, hexadecane epoxide, heptadecane epoxide and octadecane epoxide; Aryl be phenyl, naphthyl, tolyl, ethylphenyl, propyl group phenyl, butyl phenyl, amyl group phenyl, hexyl phenyl, heptyl phenyl, Octyl phenyl, nonyl phenyl, decyl phenyl, undecyl phenyl, dodecylphenyl, tridecyl phenyl, Tetradecylbenzene At least one in base, pentadecylphenyl, cetyl phenyl, heptadecyl phenyl and octadecylphenyl;Thienyl For 1,4-Dithiapentalene, 5- thiophene thiophene, 5- ethylthiophenes, 5- propyl group thiophene, 5- isopropyls thiophene, 5- butyl thiophenes, 5- amyl group thiophenes Fen, 5- hexyl thiophenes, 5- heptyl thiophene, 5- octyl thiophenes, 5- nonyls thiophene, 5- decylthiophenes, 5- undecyls thiophene, 5- ten Dialkylthiophene, 5- tridecyls thiophene, 5- myristyls thiophene, 5- pentadecyls thiophene, 5- cetyls thiophene, 5- 17 At least one in alkylthrophene, 5- octadecyl thiophene;
Methods described comprises the following steps:
(1)N2Or under Ar protections, 2,4- dibrom furans or 2,4- dibromo thiophene or 1 part of 2,4- dibromo selenophen are added in anhydrous THF ,- At 78 DEG C plus 1 part of BuLi reacts 1.0~2.0h, then adds 1~2 part of 12~24h of RI backflows to obtain 2-R bases -4- bromines furans or 2-R Base -4- bromothiophenes or 2-R base -4- bromine selenophens;
(2) at -78 DEG C, 2-R bases -4- bromines furans or 2-R base -4- bromothiophenes or 1 part of 2-R base -4- bromines selenophen is taken to be added to nothing In water THF, 1 part of BuLi is added dropwise, is moved on at room temperature after stirring 0.5~3h;1~2.0 part is added in said mixture Dimethyl disulfide, stir 10~24h, be quenched with saturated ammonium chloride, dichloromethane extraction, drying be spin-dried for, cross post obtain 2-R bases- 4- sulfidomethyls furans or 2-R bases -4- sulfidomethyls thiophene or 2-R base -4- sulfidomethyl selenophens;
(3) at 0 DEG C, 2-R bases -4- sulfidomethyls furans or 2-R bases -4- sulfidomethyls thiophene or 2-R base -4- sulfidomethyls selenophen 1 are taken Part is added in dichloromethane, and adds 1 part of bromine, stirs 2.5~5.0h, adds saturation NaHSO3Or sodium thiosulfate is molten Liquid, extract organic phase and drying be spin-dried for, cross post obtain the bromo- 5-R bases -3- sulfidomethyls furans of 2- or the bromo- 5-R bases -3- sulphur first of 2- Base thiophene or the bromo- 5-R bases -3- sulfidomethyl selenophens of 2-;
(4) the bromo- 5-R bases -3- sulfidomethyls furans of 2- or the bromo- 5-R bases -3- sulfidomethyls thiophene of 2- or the bromo- 5-R bases -3- sulphur first of 2- are taken 1 part of base selenophen, the furan boronic acids of 2,5- bis- or 2,5- Dithiophene boric acid or 2.2~3.0 parts of bis- selenophen boric acid of 2,5- are added to THF In, in N2Or Pd (the PPh of the lower addition 2~10% of Ar protections3)4, it is heated to reflux 24~48h;Screw out THF, extract organic phase simultaneously Drying is spin-dried for, and is crossed post and is obtained 2,5- (2- (5-R base -3- sulfidomethyls) furans) furans or 2,5- (2- (5-R base -3- sulfidomethyls) thiophene Fen) thiophene or 2,5- (2- (5-R base -3- sulfidomethyls) selenophen) selenophen);
(5) 1 part of 2,5- (2- (5-R base -3- sulfidomethyls) furans) furans or 2,5- (2- (5-R base -3- sulfidomethyls) thiophene) thiophene are taken Fen or 2,5- (2- (5-R base -3- sulfidomethyls) selenophen) selenophen are added in glacial acetic acid, it is slowly added to 25 in said mixture~ 40% H2O22.2~4 parts, 20~36h of temperature rising reflux, it is spin-dried for obtaining mixture, adds 3~5 parts of fluoroform in the mixture Sulfonic acid, 24~36h is stirred at room temperature, reaction product is poured into the mixed liquor of water and pyridine and is heated to reflux 0.5~1.0h, mistake Filter and use dichloromethane wash products, distil target product containing oxygen group elements and five condensed ring conjugated molecule derivatives.
4. according to claim 3 containing oxygen group elements and five condensed ring conjugated molecule derivative preparation methods, its feature exist In the ratio of the water and pyridine is 8: 1.
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