WO2012080074A1 - Carboxylierung von poly-/oligothiophenen - Google Patents
Carboxylierung von poly-/oligothiophenen Download PDFInfo
- Publication number
- WO2012080074A1 WO2012080074A1 PCT/EP2011/072172 EP2011072172W WO2012080074A1 WO 2012080074 A1 WO2012080074 A1 WO 2012080074A1 EP 2011072172 W EP2011072172 W EP 2011072172W WO 2012080074 A1 WO2012080074 A1 WO 2012080074A1
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- WIPO (PCT)
- Prior art keywords
- poly
- reaction
- carboxylation
- mixing
- carried out
- Prior art date
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/12—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/26—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D333/38—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/26—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D333/38—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D333/40—Thiophene-2-carboxylic acid
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
- C07D409/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/12—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
- C08G61/122—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides
- C08G61/123—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides derived from five-membered heterocyclic compounds
- C08G61/126—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides derived from five-membered heterocyclic compounds with a five-membered ring containing one sulfur atom in the ring
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L65/00—Compositions of macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/10—Definition of the polymer structure
- C08G2261/22—Molecular weight
- C08G2261/226—Oligomers, i.e. up to 10 repeat units
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/10—Definition of the polymer structure
- C08G2261/22—Molecular weight
- C08G2261/228—Polymers, i.e. more than 10 repeat units
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/30—Monomer units or repeat units incorporating structural elements in the main chain
- C08G2261/32—Monomer units or repeat units incorporating structural elements in the main chain incorporating heteroaromatic structural elements in the main chain
- C08G2261/322—Monomer units or repeat units incorporating structural elements in the main chain incorporating heteroaromatic structural elements in the main chain non-condensed
- C08G2261/3223—Monomer units or repeat units incorporating structural elements in the main chain incorporating heteroaromatic structural elements in the main chain non-condensed containing one or more sulfur atoms as the only heteroatom, e.g. thiophene
Definitions
- the present invention relates to a process for the carboxylation of poly (oligothiophenes) using C0 2 .
- the field of molecular electronics has developed rapidly in the last 15 years with the discovery of organic conducting and semiconducting compounds. During this time, a variety of compounds have been found that have semiconducting or electro-optical properties. It is generally understood that molecular electronics will not displace conventional silicon-based semiconductor devices; instead, it is believed that molecular electronic devices will open up new applications where suitability for coating large areas, structural flexibility, low temperature processability, and low cost are at a premium.
- Semiconducting organic compounds are currently being developed for applications such as organic field effect transistors (OFETs), organic light emitting diodes (OLEDs), sensors and photovoltaic elements.
- the known conductive or semiconductive organic compounds generally have continuous conjugated units and are subdivided into conjugated polymers and conjugated oligomers depending on molecular weight and structure.
- the poly / oligothiophenes whose monomer unit is e.g. 3-hexylthiophene.
- Organic / inorganic hybrid solar cells based on conductive organic polymers as electron donors such as poly (3-hexylthiophene) (P3HT) and inorganic semiconductor Nanoparticles such as CdSe nanoparticles are known in the art (see, eg, NC Greenham, X. Peng, and AP Alivisatos, Physical Review B 54, 17628 (1996); X. Peng, L. Manna, W. Yang, J Wickham, E. Scher, A. Kadavanich, AP Alivisatos, Nature 404, 59 (2000)).
- the performance of a solar cell depends, among other things, on the solubility and surface properties of the nanoparticles - properties that can significantly influence the electron transfer between semiconducting polymer and nanoparticles as well as between the individual nanoparticles.
- long-alkyl ligands are used in the preparation of nanoparticles to prevent aggregation of nanoparticles.
- these ligands with alkyl radicals have a disadvantageous effect, since they can lead to an electrical passivation of the nanoparticles.
- D.J. Milliron et al. describe electroactive surfactants such as pentathiophene phosphonic acid (T5-PA), which are used in a ligand exchange to complex CdSe nanoparticles to improve the charge transfer between semiconducting polymer and nanoparticles (Adv. Mater. 2003, 15, No. 1, Pages 58-61).
- T5-PA pentathiophene phosphonic acid
- CdS nanoparticles functionalized by electroactive, carboxylated oligothiophenes.
- oligothiophenes By coupling the oligothiophenes via a carboxyl group to the CdS nanoparticles, the electronic interaction between oligothiophene and nanoparticles could be improved.
- Carboxylated oligothiophenes which are used as surfactants in hybrid solar cells, are therefore of interest for optoelectronic and photovoltaic applications. The same applies to carboxylated polythiophenes, for which an improved electronic interaction with semiconducting nanoparticles can also be expected as a result of the carboxylation.
- the carboxylation of heteroaromatic compounds is usually carried out in a two-stage process consisting of an acylation of the heteroaromatic with subsequent oxidation to the corresponding carboxylate compounds.
- the corresponding Friedel-Crafts acylations are carried out in the presence of stoichiometric amounts of Lewis acids in anhydrous solvents (see eg DE102007032451A1, EP178184A1).
- the transfer of such reactions from the laboratory to an industrial scale always poses a significant problem because the solvents are polluting in different ways. Also fall in product isolation relatively large amounts of wastewater with high salt content, which must be worked up.
- Oshima et al. (Org. Lett, 2008, 10, 2681-2683) disclose experiments in which aromatic carboxylic acids were prepared at room temperature using mixtures of organic zinc compounds, a homogeneous nickel-phosphorus catalyst and gaseous C0 2 .
- the problem with the transfer of these reactions in an industrial process is the use of costly homogeneous catalysts that are not recyclable. Also fall in product isolation relatively large amounts of wastewater with high salt content, which must be worked up.
- the process according to the invention for the carboxylation of poly- and oligothiophenes comprises at least the following steps:
- a first liquid component is provided, at least comprising a polyglycithane and / or an ohgothiophene.
- an oligothiophene having a chain length of> 2 to ⁇ 20 monomer units is used, preferably from> 3 to ⁇ 12, more preferably from> 4 to ⁇ 10 and most preferably from> 5 to ⁇ 8 monomer units.
- 3,3 "-dihexyl-quaterthiophene is used as starting material.
- the provision of the starting material takes place in liquid form.
- the starting material (thiophene) may already be present in liquid form.
- the component referred to in step a) as the first liquid component may be the liquid educt.
- carboxylation is meant the introduction of a carboxyl group into an organic compound.
- Carboxylation is a reaction to produce carboxylic acids.
- a second liquid component is provided at least comprising an organic and / or inorganic base.
- the second liquid component may be the base itself; it is also conceivable that the second liquid component is a solution in which an organic and / or inorganic base is contained.
- step c) of the method according to the invention Preference is given to using n-butyllithium, t-butyllithium, methyllithium, phenyllithium, lithium diisopropylamide (LDA) and / or hexyllithium as the base.
- LDA lithium diisopropylamide
- step c) of the method according to the invention the first and second liquid components are mixed.
- the merging of the liquid components is preferably carried out at a temperature in the range of -100 ° C to 40 ° C and at a pressure of 1 to 60 bar.
- step c) is to produce as homogeneous a mixture as possible of the two liquid components.
- step d) of the process according to the invention the mixture of the mixture obtained from step c) is mixed with CO 2 .
- C0 2 may be added in gaseous, liquid, solid or supercritical state or in solution to the mixture of the base and the aromatic and / or heteroaromatic.
- the addition of C0 2 takes place in the gaseous or liquid state.
- the mixing in step d) is preferably carried out at a temperature in the range from -100 ° C to 60 ° C and at a pressure of 1 to 60 bar.
- the carboxylation of the thiophene compound is initiated.
- the reaction between the poly- and / or oligothiophene with C0 2 is carried out to the desired or achievable conversion.
- the reaction mixture is worked up to isolate and optionally purify the desired carboxylated product.
- the process according to the invention therefore preferably comprises a further step e) following step d): e) collecting the mixture from step d) and isolating the carboxylated product.
- the reaction mixture is preferably initially provided with acid to bind remaining amounts of base.
- the carboxylated product can be isolated, for example, by extraction and / or distillation and / or chromatography.
- the process according to the invention can be carried out continuously or batchwise. Likewise, it is conceivable to carry out some steps of the method according to the invention continuously and the remaining steps discontinuously. At least steps c) and d) are preferably carried out continuously.
- Continuous steps in the sense of the invention are those in which the feed of compounds (starting materials) into a reactor and the discharge of compounds (products) from the reactor take place simultaneously but spatially separated, while in discontinuous steps the consequence is the feed of compounds (educts) , if necessary, chemical reaction and discharge of compounds (products) take place consecutively.
- the continuous procedure is of economic advantage, since reactor down times due to filling and emptying processes and long reaction times due to safety requirements, reactor-specific heat exchange performance as well as heating and cooling processes, such as occur in batch processes (batch processes) are avoided.
- the preferably continuous mixing of compounds in step c) and / or in step d) is preferably carried out by means of a static mixer.
- a conveyor unit eg a pump presses the liquid, for example, through a pipe provided with static mixer fittings the main flow axis following liquid in Partial flows is divided, which are swirled and mixed with each other depending on the type of internals.
- SMX mixers see US Pat. No. 4,062,524. They consist of two or more mutually perpendicular lattices of parallel strips, which are interconnected at their crossing points and are employed at an angle to the main flow direction of the mixed material to divide the liquid into partial streams and mix.
- a single mixing element is unsuitable as a mixer, since a mixing takes place only along a preferred direction transverse to the main flow direction. Therefore, several mixing elements, which are rotated by 90 ° to each other, must be arranged one behind the other.
- the use of micro process engineering is advantageous.
- the modular micro process technology or micro reaction technology offers the possibility to assemble different micro process modules according to a modular principle into a complete production plant in the smallest format.
- Modular microreaction systems are commercially available, e.g. by Ehrfeld Mikrotechnik BTS GmbH.
- the commercially available modules include mixers, reactors, heat exchangers, sensors and actuators and much more.
- micromixer used here is representative of microstructured, preferably continuously operating reactors, which are known under the name microreactor, mini-reactor, micro-heat exchanger, mini mixer or micromixer.
- microreactors examples are microreactors, micro-heat exchangers, T and Y mixers and micromixers from a wide variety of companies (eg Ehrfeld Mikrotechnik BTS GmbH, Institute for Microtechnology Mainz GmbH, Siemens AG, CPC-Cellular Process Chemistry Systems GmbH, and others), as is generally known to the person skilled in the art in the sense of the present invention, a "micromixer” usually has characteristic inner dimensions of up to 1 mm and static Contains mixed installations.
- An example of a static micromixer is the diamond mixer described in DE2021987 IUI.
- the reaction of a poly- and / or oligothiophene in step d) of the process according to the invention is carried out by passing the reaction mixture through a residence section.
- the residence section preferably has one or more static mixers.
- the metering rates of all components and the flow rate of the reaction mixture through the residence section depend primarily on the desired residence times or achievable conversions. The higher the maximum reaction temperature, the shorter the residence time should be.
- the reactants in the reaction zone have residence times of between 20 seconds (20 seconds) and 400 minutes (400 minutes), preferably between 1 minute. and 400 min., most preferably between 1 min. and 20 min.
- the residence time can be controlled, for example, by the volume flows and the volume of the reaction zone.
- the course of the reaction is advantageously followed by various measuring devices. Particularly suitable for this purpose are devices for measuring the temperature, the viscosity, the thermal conductivity and / or the refractive index in flowing media and / or devices for measuring infrared and / or near-infrared spectra.
- the process according to the invention can preferably be carried out in temperature-controlled flow reactors.
- the reaction plant for carrying out the process according to the invention comprises at least two zones which can be tempered independently of one another.
- the first zone the mixing of the liquid components, comprising an aromatic and / or heteroaromatic compound and an inorganic and / or organic base (step c)) takes place.
- the second zone the reaction zone, the addition of C0 2 and the reaction of the aromatic and / or heteroaromatic compound (step d)) takes place.
- the product is preferably collected and collected to isolate the desired product in a subsequent step (step e)).
- the invention is explained in more detail below by means of examples, without, however, limiting them to them.
- a solution of 10 parts by mass of 3,3 "'- hexyl-quaterthiophene and 90 parts by mass of THF was charged into the original 1.
- a solution of 23 parts by mass of n-butyllithium and 77 parts by mass of hexane was charged in the original 2.
- the two templates were passed through a pre-tempering grinder - (0 ° C) connected to a static mixer (volume 0.3 ml), at its outlet channel a residence element with 5.3 cm 3 volume and a surface area to volume ratio of 26.3 cm 2 / cm "3 ( 0 ° C) was connected and led to an inlet of another static mixer (volume 0.3 ml).
- a C0 2 gas cylinder was connected through a pressure reducing valve (1.3 bar) to the outlet of which a 1300 cm 3 volume and a surface area to volume ratio of 40 cm 2 / cm 3 (0
- the solution from template 1 was pumped through the reactor at a volume flow rate of 427 ml / h and the solution from template 2 at a volume flow rate of 34 ml / h for a total residence time of 33 minutes
- the relative yield of 3.3 "dihexyl-1-carboxylic acid quaterthiophene was> 80%.
- the product stream was quenched at 0 ° C to 5.7 M HCl solution. After phase separation and washing of the aqueous phase with n-hexane, the combined organic phases were concentrated to dryness.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Compounds Containing Sulfur Atoms (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SG2013043351A SG191007A1 (en) | 2010-12-13 | 2011-12-08 | Carboxylation of poly-/oligothiophenes |
CN2011800593181A CN103328533A (zh) | 2010-12-13 | 2011-12-08 | 聚/低聚噻吩的羧化方法 |
KR1020137017834A KR20130140107A (ko) | 2010-12-13 | 2011-12-08 | 폴리-/올리고티오펜의 카복실화 |
JP2013543652A JP2014501229A (ja) | 2010-12-13 | 2011-12-08 | ポリチオフェン/オリゴチオフェンのカルボキシル化 |
US13/993,366 US20130345440A1 (en) | 2010-12-13 | 2011-12-08 | Carboxylation of poly-/oligothiophenes |
EP11796971.7A EP2652003A1 (de) | 2010-12-13 | 2011-12-08 | Carboxylierung von poly-/oligothiophenen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010062961A DE102010062961A1 (de) | 2010-12-13 | 2010-12-13 | Carboxylierung von Poly-/Oligothiophenen |
DE102010062961.8 | 2010-12-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012080074A1 true WO2012080074A1 (de) | 2012-06-21 |
Family
ID=45349489
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2011/072172 WO2012080074A1 (de) | 2010-12-13 | 2011-12-08 | Carboxylierung von poly-/oligothiophenen |
Country Status (8)
Country | Link |
---|---|
US (1) | US20130345440A1 (de) |
EP (1) | EP2652003A1 (de) |
JP (1) | JP2014501229A (de) |
KR (1) | KR20130140107A (de) |
CN (1) | CN103328533A (de) |
DE (1) | DE102010062961A1 (de) |
SG (1) | SG191007A1 (de) |
WO (1) | WO2012080074A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102224533B1 (ko) | 2017-03-28 | 2021-03-05 | 후지필름 가부시키가이샤 | Iii-v족 반도체 나노 입자의 제조 방법, iii-v족 반도체 양자 도트의 제조 방법, 및 플로식 반응 시스템 |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2948737A (en) | 1958-07-30 | 1960-08-09 | Henkel & Cie Gmbh | Process for the production of thiophene carboxylic acids |
US3138626A (en) | 1960-10-03 | 1964-06-23 | Monsanto Co | Carboxylation with co2 in the presence of alcl3 and al or zn |
US4062524A (en) | 1973-06-06 | 1977-12-13 | Bayer Aktiengesellschaft | Apparatus for the static mixing of fluid streams |
EP0178184A1 (de) | 1984-10-11 | 1986-04-16 | RAYCHEM CORPORATION (a Delaware corporation) | Herstellung von aromatischen Carbonylverbindungen |
US5739352A (en) | 1995-10-19 | 1998-04-14 | United Carbide Chemicals & Plastics Technology Corporation | Process for preparing carboxylic acids |
EP1026138A1 (de) | 1999-02-06 | 2000-08-09 | Krupp Uhde GmbH | Verfahren zur Herstellung von 1,2-Dichlorethan |
DE20219871U1 (de) | 2002-12-21 | 2003-03-06 | Ehrfeld Mikrotechnik AG, 55234 Wendelsheim | Rautenmischer |
DE102007032451A1 (de) | 2007-07-12 | 2009-01-15 | Icfs Gmbh | Verfahren zur Herstellung von aromatischen Carbonsäurederivaten, Ketonen und Aldehyden |
WO2009015810A2 (de) | 2007-08-02 | 2009-02-05 | Bayer Technology Services Gmbh | Verfahren zur herstellung von poly- und oligothiophenen in technischem massstab |
WO2009021639A1 (de) | 2007-08-14 | 2009-02-19 | Bayer Technology Services Gmbh | Verfahren zur herstellung von thiophenoligomeren |
EP2121798A1 (de) | 2006-12-21 | 2009-11-25 | Bayer Technology Services GmbH | Verfahren zur darstellung von thiophenen |
EP2121799A1 (de) | 2006-12-21 | 2009-11-25 | Bayer Technology Services GmbH | Verfahren zur darstellung von oligomeren thiophenen |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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DE10303581A1 (de) * | 2003-01-30 | 2004-08-12 | Clariant Gmbh | Acetoacetylierung von Alkoholen, Thiolen und Aminen im Mikroreaktor |
-
2010
- 2010-12-13 DE DE102010062961A patent/DE102010062961A1/de not_active Withdrawn
-
2011
- 2011-12-08 US US13/993,366 patent/US20130345440A1/en not_active Abandoned
- 2011-12-08 WO PCT/EP2011/072172 patent/WO2012080074A1/de active Application Filing
- 2011-12-08 CN CN2011800593181A patent/CN103328533A/zh active Pending
- 2011-12-08 KR KR1020137017834A patent/KR20130140107A/ko not_active Application Discontinuation
- 2011-12-08 EP EP11796971.7A patent/EP2652003A1/de not_active Withdrawn
- 2011-12-08 JP JP2013543652A patent/JP2014501229A/ja active Pending
- 2011-12-08 SG SG2013043351A patent/SG191007A1/en unknown
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2948737A (en) | 1958-07-30 | 1960-08-09 | Henkel & Cie Gmbh | Process for the production of thiophene carboxylic acids |
US3138626A (en) | 1960-10-03 | 1964-06-23 | Monsanto Co | Carboxylation with co2 in the presence of alcl3 and al or zn |
US4062524A (en) | 1973-06-06 | 1977-12-13 | Bayer Aktiengesellschaft | Apparatus for the static mixing of fluid streams |
EP0178184A1 (de) | 1984-10-11 | 1986-04-16 | RAYCHEM CORPORATION (a Delaware corporation) | Herstellung von aromatischen Carbonylverbindungen |
US5739352A (en) | 1995-10-19 | 1998-04-14 | United Carbide Chemicals & Plastics Technology Corporation | Process for preparing carboxylic acids |
EP1026138A1 (de) | 1999-02-06 | 2000-08-09 | Krupp Uhde GmbH | Verfahren zur Herstellung von 1,2-Dichlorethan |
DE20219871U1 (de) | 2002-12-21 | 2003-03-06 | Ehrfeld Mikrotechnik AG, 55234 Wendelsheim | Rautenmischer |
EP2121798A1 (de) | 2006-12-21 | 2009-11-25 | Bayer Technology Services GmbH | Verfahren zur darstellung von thiophenen |
EP2121799A1 (de) | 2006-12-21 | 2009-11-25 | Bayer Technology Services GmbH | Verfahren zur darstellung von oligomeren thiophenen |
DE102007032451A1 (de) | 2007-07-12 | 2009-01-15 | Icfs Gmbh | Verfahren zur Herstellung von aromatischen Carbonsäurederivaten, Ketonen und Aldehyden |
WO2009015810A2 (de) | 2007-08-02 | 2009-02-05 | Bayer Technology Services Gmbh | Verfahren zur herstellung von poly- und oligothiophenen in technischem massstab |
WO2009021639A1 (de) | 2007-08-14 | 2009-02-19 | Bayer Technology Services Gmbh | Verfahren zur herstellung von thiophenoligomeren |
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