ES2639830T3 - Catalizador y procedimiento para la hidroformilación de compuestos insaturados mediante catálisis SILP - Google Patents
Catalizador y procedimiento para la hidroformilación de compuestos insaturados mediante catálisis SILP Download PDFInfo
- Publication number
- ES2639830T3 ES2639830T3 ES14750354.4T ES14750354T ES2639830T3 ES 2639830 T3 ES2639830 T3 ES 2639830T3 ES 14750354 T ES14750354 T ES 14750354T ES 2639830 T3 ES2639830 T3 ES 2639830T3
- Authority
- ES
- Spain
- Prior art keywords
- hydroformylation
- catalyst
- procedure
- unsaturated compounds
- composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
- B01J31/0271—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds also containing elements or functional groups covered by B01J31/0201 - B01J31/0231
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0201—Oxygen-containing compounds
- B01J31/0209—Esters of carboxylic or carbonic acids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
- B01J31/0235—Nitrogen containing compounds
- B01J31/0237—Amines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0277—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides comprising ionic liquids, as components in catalyst systems or catalysts per se, the ionic liquid compounds being used in the molten state at the respective reaction temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0277—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides comprising ionic liquids, as components in catalyst systems or catalysts per se, the ionic liquid compounds being used in the molten state at the respective reaction temperature
- B01J31/0278—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides comprising ionic liquids, as components in catalyst systems or catalysts per se, the ionic liquid compounds being used in the molten state at the respective reaction temperature containing nitrogen as cationic centre
- B01J31/0281—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides comprising ionic liquids, as components in catalyst systems or catalysts per se, the ionic liquid compounds being used in the molten state at the respective reaction temperature containing nitrogen as cationic centre the nitrogen being a ring member
- B01J31/0284—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides comprising ionic liquids, as components in catalyst systems or catalysts per se, the ionic liquid compounds being used in the molten state at the respective reaction temperature containing nitrogen as cationic centre the nitrogen being a ring member of an aromatic ring, e.g. pyridinium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/1616—Coordination complexes, e.g. organometallic complexes, immobilised on an inorganic support, e.g. ship-in-a-bottle type catalysts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/18—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms
- B01J31/1845—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms the ligands containing phosphorus
- B01J31/185—Phosphites ((RO)3P), their isomeric phosphonates (R(RO)2P=O) and RO-substitution derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/49—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide
- C07C45/50—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide by oxo-reactions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
- B01J2231/30—Addition reactions at carbon centres, i.e. to either C-C or C-X multiple bonds
- B01J2231/32—Addition reactions to C=C or C-C triple bonds
- B01J2231/321—Hydroformylation, metalformylation, carbonylation or hydroaminomethylation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/82—Metals of the platinum group
- B01J2531/822—Rhodium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/40—Regeneration or reactivation
- B01J31/4015—Regeneration or reactivation of catalysts containing metals
- B01J31/4092—Regeneration or reactivation of catalysts containing metals involving a stripping step, with stripping gas or solvent
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/584—Recycling of catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Composición que comprende: a) al menos un material soporte, que es preferentemente poroso; b) al menos un líquido iónico; c) al menos un metal, seleccionado a partir del 9º grupo del sistema periódico de los elementos; d) al menos un compuesto de la fórmula (II): **(Ver fórmula)** e) opcionalmente una o varias aminas orgánicas.
Description
5 con R = C6-a C20-alquilo
En la composición según la invención, el metal se selecciona preferentemente entre:
cobalto, rodio, iridio, en especial rodio.
La composición según la invención se puede producir de modo conocido mediante mezclado de los componentes. La composición según la invención se produce mediante el procedimiento descrito a continuación, o bien es
10 obtenible a partir del mismo.
El procedimiento según la invención para la producción de la composición según la invención se distingue por que presenta los pasos:
A) disposición de un precursor de al menos un compuesto de un metal del 9º grupo del sistema periódico de los elementos, ventajosamente rodio; 15 B) puesta en contacto de al menos un compuesto de un metal del 9º grupo del sistema periódico de los elementos, ventajosamente rodio, con un exceso molar de al menos un compuesto de la fórmula (II):
pudiendo presentar el compuesto de la fórmula (II) otros componentes, que se pueden atribuir a impurezas en la
20 síntesis de (II), como por ejemplo eductos, productos de hidrólisis, oxidación no transformados de (II) u otras impurezas; al menos un líquido iónico, pudiéndose emplear preferentemente como líquido iónicos aquellos en los que el anión se selecciona a partir del grupo que comprende:
tetrafluorborato ([BF4]-), hexafluorfosfato ([PF6]-), dicianamida ([N(CN)2]-), bis(trifluormetilsulfonil)imida ([NTf2]-), tricianometida ([C(CN)3]-), tetracianoborato ([B(CN)4]-), halogenuros (Cl-, Br-, F-, I-), hexafluorantimoniato ([SbF6]-), 25 hexafluorarseniato ([AsF6]-), sulfato ([SO4]2-), tosilato ([C7H7SO3]-), triflato (CF3SO3-), nonaflato ([C4F9SO3-), tris
9
Tabla 1:
- imagen18
- Composición mezcla C4 2º ejemplo comparativo / %[a] Rh-(VIII) Composición mezcla C4 ejemplo según la invención / %[a] Rh-(II)
- 1-Buteno + isobuteno
- 27,6 (27,5+< 0,1) 27,4 (27,3+< 0,1)
- Cis-2-buteno
- 16 15
- Trans-2-buteno
- 28 25
- n-butano
- 28,3 29,5
- Iso-butano
- < 0,1 < 0,1
- 2-metilbutano
-
imagen19 3
- [a] Superficie por GC en % (columna firma Agilent Technologies longitud 50 m, diámetro interno 0,32 mm, grosor de película 0,5 µm, gas soporte helio; detector: FID, temperatura de evaporación 473,15 K, proporción de división 33,5:1, flujo de columna constante de helio 91,6 ml min-1 , temperatura de detector 523,15 K, gradiente de calefacción: temperatura inicial 323,15 K, tiempo de retención 15 minutos, calefacción a 473,15 K con 25 K min-1 , tiempo de retención 40 min, tiempo total por medida 61 min)
1er Ejemplo comparativo según el documento DE 10 2013217174:
En la figura 1 se muestra un experimento de catálisis para la hidroformilación de mezclas C4 (composición, vése tabla 2). Tabla 2:
- imagen20
- Composición mezcla C4 A 1er ejemplo comparativo / %[a] Rh-(II): 0 -2615 h Composición mezcla C4 B 1er ejemplo comparativo / %[a] Rh-(II): 2615 -3506 h
- 1-Buteno + isobuteno
- 24,9 (24,8 + < 0,1) 27 (26,9+< 0,1)
- Cis-2-buteno
- 16 16
- Trans-2-buteno
- 33 29
- n-butano
- 26 27,9
- Iso-butano
- < 0,1 < 0,1
- [a] Superficie por GC en % (columna firma Agilent Technologies longitud 50 m, diámetro interno 0,32 mm, grosor de película 0,5 µm, gas soporte helio; detector: FID, temperatura de evaporación 473,15 K, proporción de división 33,5:1, flujo de columna constante de helio 91,6 ml min-1 , temperatura de detector 523,15 K, gradiente de
18
Claims (1)
-
imagen1 imagen2 imagen3 imagen4 imagen5 imagen6
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013217166 | 2013-08-28 | ||
DE102013217166.8A DE102013217166A1 (de) | 2013-08-28 | 2013-08-28 | Verfahren zur Hydroformylierung von ungesättigten Verbindungen durch SILP-Katalyse |
PCT/EP2014/067072 WO2015028284A1 (de) | 2013-08-28 | 2014-08-08 | Katalysator und verfahren zur hydroformylierung von ungesättigten verbindungen durch silp-katalyse |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2639830T3 true ES2639830T3 (es) | 2017-10-30 |
Family
ID=51302712
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES14750354.4T Active ES2639830T3 (es) | 2013-08-28 | 2014-08-08 | Catalizador y procedimiento para la hidroformilación de compuestos insaturados mediante catálisis SILP |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3038752B1 (es) |
DE (1) | DE102013217166A1 (es) |
ES (1) | ES2639830T3 (es) |
WO (1) | WO2015028284A1 (es) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013217174A1 (de) | 2013-08-28 | 2015-03-05 | Evonik Industries Ag | Zusammensetzung und deren Verwendung in Verfahren zur Hydroformylierung von ungesättigten Verbindungen |
EP3632889B1 (de) | 2018-10-05 | 2022-11-02 | Evonik Operations GmbH | Verfahren zur hydroformylierung von c2- bis c5-olefinen ohne zwischengeschaltete stofftrennung |
ES2976199T3 (es) | 2018-10-05 | 2024-07-26 | Evonik Oxeno Gmbh & Co Kg | Procedimiento para la hidroformilación de olefinas de cadena corta en la corriente de reciclaje de una hidroformilación en fase líquida |
US10647650B2 (en) * | 2018-10-05 | 2020-05-12 | Evonik Operations Gmbh | Process for hydroformylating short-chain olefins using a heterogenized catalyst system without ionic liquid |
WO2020070052A1 (de) | 2018-10-05 | 2020-04-09 | Evonik Operations Gmbh | Verfahren zur hydroformylierung von kurzkettigen olefinen in der gasphase |
EP3632888B1 (de) | 2018-10-05 | 2021-04-14 | Evonik Operations GmbH | Verfahren zur in-situ herstellung eines hydroformylierungskatalysatorsystems, welches heterogenisiert auf einem support vorliegt |
ES2969859T3 (es) | 2018-10-05 | 2024-05-23 | Evonik Oxeno Gmbh & Co Kg | Procedimiento para la hidroformilación de olefinas de cadena corta en corrientes de gas de escape ricas en alcanos |
US10654784B2 (en) * | 2018-10-05 | 2020-05-19 | Evonik Operations Gmbh | Process for hydroformylating short-chain olefins in the gas phase |
CN112679327B (zh) * | 2021-01-12 | 2022-01-04 | 四川大学 | 一种烯烃两相氢甲酰化制备醛类化合物的方法 |
EP4091712B1 (de) | 2021-05-18 | 2024-05-15 | Evonik Oxeno GmbH & Co. KG | Verfahren zur regenerierung eines katalysators für die hydroformylierung von olefinen in der gasphase |
WO2024017514A1 (de) | 2022-07-19 | 2024-01-25 | Evonik Oxeno Gmbh & Co. Kg | Verfahren zur hydroformylierung von kurzkettigen olefinen in der gasphase |
WO2024017513A1 (de) | 2022-07-19 | 2024-01-25 | Evonik Oxeno Gmbh & Co. Kg | Verfahren zur hydroformylierung von kurzkettigen olefinen in der gasphase |
EP4389731A1 (de) | 2022-12-19 | 2024-06-26 | Evonik Oxeno GmbH & Co. KG | Verfahren zur aktivitätserhaltung bei der abstellung der hydroformylierung |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4789753A (en) | 1984-02-17 | 1988-12-06 | Union Carbide Corporation | Phosphite ligands |
US4668651A (en) * | 1985-09-05 | 1987-05-26 | Union Carbide Corporation | Transition metal complex catalyzed processes |
DE4026406A1 (de) * | 1990-08-21 | 1992-02-27 | Basf Ag | Rhodiumhydroformylierungskatalysatoren mit bis-phosphit-liganden |
US5672766A (en) * | 1994-12-12 | 1997-09-30 | Mitsubishi Chemical Corporation | Method for producing aldehydes |
US5663403A (en) * | 1995-01-24 | 1997-09-02 | Mitsubishi Chemical Corporation | Bisphosphite compound and method for producing aldehydes |
US5767321A (en) * | 1995-12-06 | 1998-06-16 | Union Carbide Chemicals & Plastics Technology Corporation | Metal-ligand complex catalyzed processes |
DE19631521A1 (de) * | 1996-08-03 | 1998-02-05 | Basf Ag | Verfahren zur Herstellung von 6-Aminocapronitril |
US5962744A (en) * | 1998-03-27 | 1999-10-05 | The Research Foundation Of State University Of New York | Process for hydrocarbonylations in supercritical carbon dioxide |
US6291717B1 (en) | 1998-12-10 | 2001-09-18 | Mitsubishi Chemical Corporation | Process for producing aldehyde |
DE10031493A1 (de) * | 2000-06-28 | 2002-01-10 | Oxeno Olefinchemie Gmbh | Neue Bisphosphitverbindungen und deren Metallkomplexe |
DE10053272A1 (de) * | 2000-10-27 | 2002-05-08 | Oxeno Olefinchemie Gmbh | Neue Bisphosphitverbindungen und deren Metallkomplexe |
KR101381015B1 (ko) * | 2006-04-04 | 2014-04-04 | 가부시키가이샤 구라레 | 비스포스파이트 및 제 8 ∼ 10 족 금속 화합물을 사용한 알데히드의 제조 방법, 그리고 그 비스포스파이트 |
DE102006058682A1 (de) | 2006-12-13 | 2008-06-19 | Evonik Oxeno Gmbh | Bisphosphitliganden für die übergangsmetallkatalysierte Hydroformylierung |
DE102010041821A1 (de) * | 2010-09-30 | 2012-04-05 | Evonik Oxeno Gmbh | Einsatz von Supported Ionic Liquid Phase (SILP) Katalysatorsystemen in der Hydroformylierung von olefinhaltigen Gemischen zu Aldehydgemischen mit hohem Anteil von in 2-Stellung unverzweigten Aldehyden |
DE102011085883A1 (de) * | 2011-11-08 | 2013-05-08 | Evonik Oxeno Gmbh | Neue Organophosphorverbindungen auf Basis von Anthracentriol |
WO2014056735A1 (de) * | 2012-10-12 | 2014-04-17 | Evonik Degussa Gmbh | Gemische konstitutionsisomerer bisphosphite |
-
2013
- 2013-08-28 DE DE102013217166.8A patent/DE102013217166A1/de not_active Withdrawn
-
2014
- 2014-08-08 ES ES14750354.4T patent/ES2639830T3/es active Active
- 2014-08-08 WO PCT/EP2014/067072 patent/WO2015028284A1/de active Application Filing
- 2014-08-08 EP EP14750354.4A patent/EP3038752B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
DE102013217166A1 (de) | 2015-03-05 |
EP3038752A1 (de) | 2016-07-06 |
WO2015028284A1 (de) | 2015-03-05 |
EP3038752B1 (de) | 2017-07-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES2639830T3 (es) | Catalizador y procedimiento para la hidroformilación de compuestos insaturados mediante catálisis SILP | |
Okumura et al. | Site‐Selective Linear Alkylation of Anilides by Cooperative Nickel/Aluminum Catalysis | |
BR112012014485A2 (pt) | processo contínuo para a carbonilação de etileno em uma fase líquida | |
AR092989A1 (es) | Mezcla de distintos bisfosfitos asimetricos y su uso como mezcla catalizadora en la hidroformilacion | |
ES2661107T3 (es) | Proceso de polimerización en solución con utilización energética mejorada | |
BR112014024524A2 (pt) | tetramerização de etileno | |
EA201100292A1 (ru) | Способ сжижения углеродсодержащего материала с получением жидкого углеводорода | |
CR20140447A (es) | Concepto de soldadura fuerte novedoso | |
AR089230A1 (es) | Metodo para preparar un soporte de catalizador modificado y proceso de sintesis de hidrocarburos | |
Chen et al. | Investigation of cyclohexanone pentaerythritol ketal as a clean flow improver for crude oil | |
WO2014174465A3 (en) | Catalyst and process for the production of hydrogen from ammonia boranes | |
BR112014032042A2 (pt) | método de preparação de um suporte catalítico modificado, método de preparação de um precursor catalítico, método de preparação de um catalisador e processo de síntese de hidrocarbonetos | |
Suzuki et al. | Asymmetric aldol reaction on water using an organocatalyst tethered on a thermoresponsive block copolymer | |
AR088156A1 (es) | Adsorbente para la purificacion de moleculas organicas, que comprende sobre su superficie un residuo alifatico cationico o protonable | |
AR095886A1 (es) | Método para la preparación de un silicato de metal del grupo 4 y su uso | |
BR112018010230A2 (pt) | sistema catalisador e processo para a produção de glicóis | |
Butschies et al. | Liquid crystalline guanidinium phenylalkoxybenzoates: towards room temperature liquid crystals via bending of the mesogenic core and the use of triflate counter ions | |
BR112012014798A2 (pt) | compostos orgânicos | |
AR104354A1 (es) | Proceso para funcionalizar polímeros, proceso para entrecruzarlos y proceso para desentrecruzarlos | |
Liu et al. | The enhanced π–π interactions in metallomesogens | |
ES2600037T3 (es) | Procedimiento para la preparación de 2,2-difluoroetilamina a partir de 2,2-difluoro-1-cloroetano y amoniaco | |
AR111318A1 (es) | Proceso para preparar 2-exo-(2-metilbenciloxi)-1-metil-4-isopropil-7-oxabiciclo[2.2.1]heptano | |
BR112018014896A2 (pt) | catalisadores e métodos para produzir propileno a partir de etileno e buteno | |
Bauer et al. | ZnO Nanoparticle Formation from the Molecular Precursor [MeZnOtBu] 4 by Ozone Treatment in Ionic Liquids: in‐situ Vibrational Spectroscopy in an Ultrahigh Vacuum Environment | |
Taha et al. | (E)-N′-(3, 4-Dimethoxybenzylidene)-4-methoxybenzohydrazide |