MX2024001871A - Metodo para preparar tensoactivos mediante copolimerizacion de epoxidos y co2 utilizando una mezcla de un catalizador bimetalico macrociclico y un catalizador de cianuro bimetalico. - Google Patents
Metodo para preparar tensoactivos mediante copolimerizacion de epoxidos y co2 utilizando una mezcla de un catalizador bimetalico macrociclico y un catalizador de cianuro bimetalico.Info
- Publication number
- MX2024001871A MX2024001871A MX2024001871A MX2024001871A MX2024001871A MX 2024001871 A MX2024001871 A MX 2024001871A MX 2024001871 A MX2024001871 A MX 2024001871A MX 2024001871 A MX2024001871 A MX 2024001871A MX 2024001871 A MX2024001871 A MX 2024001871A
- Authority
- MX
- Mexico
- Prior art keywords
- catalyst
- metal cyanide
- double metal
- copolymerisation
- macrocyclic
- Prior art date
Links
- 239000004094 surface-active agent Substances 0.000 title abstract 5
- 239000003054 catalyst Substances 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 4
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 title abstract 2
- 150000002118 epoxides Chemical class 0.000 title abstract 2
- 239000002184 metal Substances 0.000 title abstract 2
- 239000000203 mixture Substances 0.000 title abstract 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 2
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 1
- 239000001569 carbon dioxide Substances 0.000 abstract 1
- 230000003197 catalytic effect Effects 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000007858 starting material Substances 0.000 abstract 1
Classifications
-
- 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
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/20—General preparatory processes
- C08G64/32—General preparatory processes using carbon dioxide
- C08G64/34—General preparatory processes using carbon dioxide and cyclic ethers
-
- 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
- B01J31/0202—Alcohols or phenols
-
- 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
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/02—Aliphatic polycarbonates
- C08G64/0208—Aliphatic polycarbonates saturated
-
- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
- C08G65/2603—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen
-
- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
- C08G65/2642—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds characterised by the catalyst used
- C08G65/2645—Metals or compounds thereof, e.g. salts
- C08G65/2663—Metal cyanide catalysts, i.e. DMC's
-
- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
- C08G65/2642—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds characterised by the catalyst used
- C08G65/269—Mixed catalyst systems, i.e. containing more than one reactive component or catalysts formed in-situ
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/722—Ethers of polyoxyalkylene glycols having mixed oxyalkylene groups; Polyalkoxylated fatty alcohols or polyalkoxylated alkylaryl alcohols with mixed oxyalkylele groups
-
- 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
- B01J2231/10—Polymerisation reactions involving at least dual use catalysts, e.g. for both oligomerisation and polymerisation
- B01J2231/14—Other (co) polymerisation, e.g. of lactides or epoxides
-
- 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
- B01J2231/40—Substitution reactions at carbon centres, e.g. C-C or C-X, i.e. carbon-hetero atom, cross-coupling, C-H activation or ring-opening reactions
- B01J2231/48—Ring-opening 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
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/02—Compositional aspects of complexes used, e.g. polynuclearity
- B01J2531/0238—Complexes comprising multidentate ligands, i.e. more than 2 ionic or coordinative bonds from the central metal to the ligand, the latter having at least two donor atoms, e.g. N, O, S, P
- B01J2531/0241—Rigid ligands, e.g. extended sp2-carbon frameworks or geminal di- or trisubstitution
- B01J2531/0252—Salen ligands or analogues, e.g. derived from ethylenediamine and salicylaldehyde
-
- 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
- B01J2531/84—Metals of the iron group
- B01J2531/847—Nickel
-
- 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/24—Nitrogen compounds
- B01J27/26—Cyanides
-
- 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
- B01J31/22—Organic complexes
- B01J31/2204—Organic complexes the ligands containing oxygen or sulfur as complexing atoms
- B01J31/2208—Oxygen, e.g. acetylacetonates
- B01J31/2226—Anionic ligands, i.e. the overall ligand carries at least one formal negative charge
- B01J31/223—At least two oxygen atoms present in one at least bidentate or bridging ligand
- B01J31/2239—Bridging ligands, e.g. OAc in Cr2(OAc)4, Pt4(OAc)8 or dicarboxylate ligands
-
- 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
- B01J31/22—Organic complexes
- B01J31/2204—Organic complexes the ligands containing oxygen or sulfur as complexing atoms
- B01J31/2208—Oxygen, e.g. acetylacetonates
- B01J31/2226—Anionic ligands, i.e. the overall ligand carries at least one formal negative charge
- B01J31/2243—At least one oxygen and one nitrogen atom present as complexing atoms in an at least bidentate or bridging ligand
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Toxicology (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyethers (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
La presente invención se refiere a métodos catalíticos para preparar moléculas de tensoactivo, moléculas de tensoactivo que se pueden obtener mediante el método, composiciones que comprenden las moléculas de tensoactivo y al uso de las moléculas de tensoactivo así preparadas en productos de limpieza. El método comprende hacer reaccionar dióxido de carbono y un epóxido en presencia de un catalizador de cianuro bimetálico (DMC), un catalizador de fórmula (I) y un compuesto iniciador monofuncional, (I). (ver Fórmula).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB202111555 | 2021-08-11 | ||
PCT/GB2022/052102 WO2023017276A1 (en) | 2021-08-11 | 2022-08-11 | Method for preparing surfactants by copolymerisation of epoxides and co2 using a mixture of a macrocyclic bimetal catalyst and a double metal cyanide catalyst |
Publications (1)
Publication Number | Publication Date |
---|---|
MX2024001871A true MX2024001871A (es) | 2024-03-04 |
Family
ID=83049884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2024001871A MX2024001871A (es) | 2021-08-11 | 2022-08-11 | Metodo para preparar tensoactivos mediante copolimerizacion de epoxidos y co2 utilizando una mezcla de un catalizador bimetalico macrociclico y un catalizador de cianuro bimetalico. |
Country Status (7)
Country | Link |
---|---|
US (1) | US20240336732A1 (es) |
EP (1) | EP4384316A1 (es) |
JP (1) | JP2024531955A (es) |
KR (1) | KR20240036722A (es) |
CN (1) | CN118103137A (es) |
MX (1) | MX2024001871A (es) |
WO (1) | WO2023017276A1 (es) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MY204994A (en) * | 2018-06-19 | 2024-09-26 | Henkel Ag & Co Kgaa | Highly active double metal cyanide compounds |
CN118878808B (zh) * | 2024-09-27 | 2024-12-24 | 合肥普力先进材料科技有限公司 | 一种含吡啶羧酸锌配合物的复合催化剂及其制备方法与应用 |
Family Cites Families (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3427256A (en) | 1963-02-14 | 1969-02-11 | Gen Tire & Rubber Co | Double metal cyanide complex compounds |
US4500704A (en) | 1983-08-15 | 1985-02-19 | The Dow Chemical Company | Carbon dioxide oxirane copolymers prepared using double metal cyanide complexes |
GB8528071D0 (en) | 1985-11-14 | 1985-12-18 | Shell Int Research | Polycarbonates |
US5158922A (en) | 1992-02-04 | 1992-10-27 | Arco Chemical Technology, L.P. | Process for preparing metal cyanide complex catalyst |
US5482908A (en) | 1994-09-08 | 1996-01-09 | Arco Chemical Technology, L.P. | Highly active double metal cyanide catalysts |
US5627122A (en) | 1995-07-24 | 1997-05-06 | Arco Chemical Technology, L.P. | Highly active double metal cyanide complex catalysts |
US5693584A (en) | 1996-08-09 | 1997-12-02 | Arco Chemical Technology, L.P. | Highly active double metal cyanide catalysts |
US5783513A (en) | 1997-03-13 | 1998-07-21 | Arco Chemical Technology, L.P. | Process for making double metal cyanide catalysts |
DE19810269A1 (de) | 1998-03-10 | 2000-05-11 | Bayer Ag | Verbesserte Doppelmetallcyanid-Katalysatoren für die Herstellung von Polyetherpolyolen |
DE19842383A1 (de) | 1998-09-16 | 2000-03-23 | Bayer Ag | Doppelmetallcyanid-Katalysatoren für die Herstellung von Polyetherpolyolen |
DE19905611A1 (de) | 1999-02-11 | 2000-08-17 | Bayer Ag | Doppelmetallcyanid-Katalysatoren für die Herstellung von Polyetherpolyolen |
DE19937114C2 (de) | 1999-08-06 | 2003-06-18 | Bayer Ag | Verfahren zur Herstellung von Polyetherpolyolen |
US6699961B2 (en) | 2000-03-30 | 2004-03-02 | Shell Oil Company | DMC complex catalyst and process for its preparation |
JP5047440B2 (ja) | 2000-04-20 | 2012-10-10 | バイエル アクチェンゲゼルシャフト | Dmc触媒の製造方法 |
US6977236B2 (en) | 2002-06-14 | 2005-12-20 | Shell Oil Company | Preparation of a double metal cyanide catalyst |
US6716788B2 (en) | 2002-06-14 | 2004-04-06 | Shell Oil Company | Preparation of a double metal cyanide catalyst |
US6855658B1 (en) | 2003-08-26 | 2005-02-15 | Bayer Antwerp, N.V. | Hydroxide containing double metal cyanide (DMC) catalysts |
US20050101477A1 (en) | 2003-11-07 | 2005-05-12 | George Combs | Unsaturated tertiary alcohols as ligands for active dmc catalysts |
US20050107643A1 (en) | 2003-11-13 | 2005-05-19 | Thomas Ostrowski | Preparation of polyether alcohols |
ATE380070T1 (de) | 2004-02-27 | 2007-12-15 | Repsol Quimica Sa | Doppelmetallcyanidkatalysatoren (dmc) mit kronenethern, prozess zu ihrer herstellung und verwendungen |
DE102005011581A1 (de) | 2005-03-10 | 2006-09-14 | Basf Ag | Verfahren zur Herstellung von DMC-Katalysatoren |
US7977501B2 (en) | 2006-07-24 | 2011-07-12 | Bayer Materialscience Llc | Polyether carbonate polyols made via double metal cyanide (DMC) catalysis |
GB0807607D0 (en) | 2008-04-25 | 2008-06-04 | Imp Innovations Ltd | Catalyst |
KR101805648B1 (ko) | 2010-09-14 | 2017-12-14 | 사우디 아람코 테크놀로지스 컴퍼니 | 중합체 합성용의 촉매 및 방법 |
EP2548908A1 (de) | 2011-07-18 | 2013-01-23 | Bayer MaterialScience AG | Verfahren zur Herstellung von Polyetherpolyolen |
GB201115565D0 (en) | 2011-09-08 | 2011-10-26 | Imp Innovations Ltd | Method of synthesising polycarbonates in the presence of a bimetallic catalyst and a chain transfer agent |
EP2837648A1 (en) | 2013-08-12 | 2015-02-18 | Repsol, S.A. | Process for preparing polyether carbonate polyols |
EP2865700A1 (de) * | 2013-10-23 | 2015-04-29 | Bayer MaterialScience AG | Verfahren zur Herstellung von Polyethercarbonatpolyolen |
JP6728162B2 (ja) | 2014-07-22 | 2020-07-22 | エコニック テクノロジーズ リミテッドEconic Technologies Ltd | 触媒 |
GB201714436D0 (en) | 2017-09-07 | 2017-10-25 | Econic Tech Ltd | A polymerisation process |
GB201717459D0 (en) * | 2017-10-24 | 2017-12-06 | Econic Tech Limited | Methods for forming polycarbonate ether polyols and high molecular weight polyether carbonates |
-
2022
- 2022-08-11 US US18/294,312 patent/US20240336732A1/en active Pending
- 2022-08-11 KR KR1020247007963A patent/KR20240036722A/ko active Pending
- 2022-08-11 EP EP22758256.6A patent/EP4384316A1/en active Pending
- 2022-08-11 CN CN202280068435.2A patent/CN118103137A/zh active Pending
- 2022-08-11 WO PCT/GB2022/052102 patent/WO2023017276A1/en active Application Filing
- 2022-08-11 MX MX2024001871A patent/MX2024001871A/es unknown
- 2022-08-11 JP JP2024508559A patent/JP2024531955A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US20240336732A1 (en) | 2024-10-10 |
CN118103137A (zh) | 2024-05-28 |
WO2023017276A1 (en) | 2023-02-16 |
JP2024531955A (ja) | 2024-09-03 |
KR20240036722A (ko) | 2024-03-20 |
EP4384316A1 (en) | 2024-06-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MX2024001871A (es) | Metodo para preparar tensoactivos mediante copolimerizacion de epoxidos y co2 utilizando una mezcla de un catalizador bimetalico macrociclico y un catalizador de cianuro bimetalico. | |
Li et al. | Iron-catalyzed selective oxidation of sulfides to sulfoxides with the polyethylene glycol/O 2 system | |
Chatterjee et al. | Reductive amination of furfural to furfurylamine using aqueous ammonia solution and molecular hydrogen: an environmentally friendly approach | |
Ramidi et al. | Synergistic effect of alkali halide and Lewis base on the catalytic synthesis of cyclic carbonate from CO2 and epoxide | |
Uyanik et al. | Hypervalent iodine-mediated oxidation of alcohols | |
Liu et al. | Carboxylate-promoted reductive functionalization of CO 2 with amines and hydrosilanes under mild conditions | |
Liu et al. | N-hydroxysuccinimide based deep eutectic catalysts as a promising platform for conversion of CO2 into cyclic carbonates at ambient temperature | |
Roshan et al. | The unprecedented catalytic activity of alkanolamine CO 2 scrubbers in the cycloaddition of CO 2 and oxiranes: a DFT endorsed study | |
Zhong et al. | ZnBr2/DMF as simple and highly active Lewis acid–base catalysts for the cycloaddition of CO2 to propylene oxide | |
HK1243445A1 (zh) | 製備多元醇的方法 | |
Vagnoni et al. | Choline-based eutectic mixtures as catalysts for effective synthesis of cyclic carbonates from epoxides and CO2 | |
US20190193063A1 (en) | Catalysts supported on natural polymers for the production of carbonates from co2 | |
ATE307668T1 (de) | Herstellung eines doppelmetallcyanidkatalysators | |
MX2019010324A (es) | Método para preparar poli(carbonatos de éter). | |
MY131259A (en) | Method for activating double metallocyanide-compounds | |
TWI761572B (zh) | 將環狀伸烷基脲轉變成其相應之伸烷基胺之二步驟方法 | |
EP1753802B8 (en) | Process for preparing reactive polyether polyols having an ethylene oxide end block | |
WO2005023765A8 (en) | Method for catalyzing amidation reactions by the presence of co2 | |
Zhao et al. | Multisite activation of epoxides by recyclable CaI2/N-methyldiethanolamine catalyst for CO2 fixation: A facile access to cyclic carbonates under mild conditions | |
Doro et al. | Adapting a Wacker-type catalyst system to the palladium-catalyzed oxidative carbonylation of aliphatic polyols | |
TW200716757A (en) | A process for preparing (2R,3S)-1,2-epoxy-3-(protected) amino-4-substituted butane and intermediates thereof | |
RU2009106457A (ru) | Антиоксиданты и способы производства антиоксидантов | |
CN115433094A (zh) | 一种环脂多胺n-环己基二丙基三胺及制备方法 | |
RU2380348C2 (ru) | Способ получения алкоксилированного спирта | |
DE502004008277D1 (de) | Herstellung von polyetheralkoholen unter verwendung der dmc-katalyse |