EP4612159A1 - Picolylliganden und deren einsatz in der alkoxycarbonylierung - Google Patents
Picolylliganden und deren einsatz in der alkoxycarbonylierungInfo
- Publication number
- EP4612159A1 EP4612159A1 EP23800342.0A EP23800342A EP4612159A1 EP 4612159 A1 EP4612159 A1 EP 4612159A1 EP 23800342 A EP23800342 A EP 23800342A EP 4612159 A1 EP4612159 A1 EP 4612159A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- compound
- palladium
- process according
- radicals
- ethylenically unsaturated
- 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.)
- Pending
Links
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/553—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having one nitrogen atom as the only ring hetero atom
- C07F9/576—Six-membered rings
- C07F9/58—Pyridine rings
-
- 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
- B01J31/0215—Sulfur-containing compounds
- B01J31/0225—Sulfur-containing compounds comprising sulfonic acid groups or the corresponding salts
- B01J31/0227—Sulfur-containing compounds comprising sulfonic acid groups or the corresponding salts being perfluorinated, i.e. comprising at least one perfluorinated moiety as substructure in case of polyfunctional compounds
-
- 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
- B01J31/189—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 containing both nitrogen and phosphorus as complexing atoms, including e.g. phosphino moieties, in one at least bidentate or bridging ligand
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/36—Preparation of carboxylic acid esters by reaction with carbon monoxide or formates
- C07C67/38—Preparation of carboxylic acid esters by reaction with carbon monoxide or formates by addition to an unsaturated carbon-to-carbon bond
-
- 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
- B01J2531/02—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
- B01J2531/0255—Ligands comprising the N2S2 or N2P2 donor atom set, e.g. diiminodithiolates or diiminodiphosphines with complete pi-conjugation between all donor centres
-
- 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
- B01J2531/824—Palladium
Definitions
- the technical object of the invention is to provide a new ligand/process with which the conversion can be increased.
- the compound has the structure (1):
- the compound has the structure (2): In one embodiment, the compound has the structure (3): In addition to the compounds themselves, a process is also claimed in which the compounds are used.
- Process comprising the process steps: a) introducing an ethylenically unsaturated compound; b) adding a previously described compound according to formula (I); c) adding a Pd compound; d) adding a co-catalyst selected from: aluminum triflate, H2SO4, MSA, pTSA, TFA; e) adding an alcohol; f) adding CO; g) heating the reaction mixture from a) to f), whereby the ethylenically unsaturated compound is converted to an ester.
- the substances can be added in any order. However, CO is usually added after the reactants have been introduced in steps a) to e). In addition, CO can also be added in several steps, so that, for example, part of the CO is added first, then heated and then another part of CO is added.
- the Pd compound is selected from: palladium dichloride, palladium(II) acetylacetonate, palladium(II) acetate, dichloro(1,5-cyclooctadiene)palladium(II), bis(dibenzylideneacetone)palladium, bis(acetonitrile)dichloropalladium(II),
- the Pd compound is selected from: Pd(dba)2, Pd(acac)2 or Pd(OAc)2.
- the Pd compound is Pd(acac)2.
- the alcohol in process step e) is selected from: methanol, ethanol, 1-propanol, 1-butanol, 1-pentanol, 1-hexanol, 2-propanol, tert-butanol, 3-pentanol, cyclohexanol, phenol, or mixtures thereof.
- the alcohol in process step e) is methanol. In a variant of the process, the alcohol is used in excess in process step e).
- the alcohol is simultaneously used as a solvent in process step e).
- CO is added in process step f) at a CO partial pressure in the range of 1 to 5 MPa (10 to 50 bar).
- CO is added in process step f) at a CO partial pressure in the range of 1 to 5 MPa (10 to 40 bar).
- reaction mixture in process step g) is heated to a temperature in the range of 40 °C to 140 °C.
- reaction mixture in process step g) is heated to a temperature in the range of 80 °C to 140 °C.
- di-iso-butene is used as the ethylenically unsaturated compound.
- TMP1 2,4,4-trimethylpent-1-ene
- TMP2 2,4,4-trimethylpent-2-ene
- the co-catalyst is aluminum triflate.
- reaction is carried out under an argon atmosphere.
- Reaction vessels have previously been dried under the influence of temperature (80 °C) and oil pump vacuum.
- Liquid substances are degassed for at least 15 minutes by bubbling in argon.
- Aluminium trifluoromethanesulfonic acid (AI(OTf)s) is used as the acid.
- the ligands used are (1), (2), (3) and (4) as a comparison ligand.
- Palladium(II)bis(acetylacetonate) (Pd(acac)2) is used as the precursor.
- TMP1 2,4,4-trimethylpent-1-ene
- TMP2 2,4,4-trimethylpent-2-ene
- Pd(acac)2 (10 mg, 33 pmol) is weighed into a 20 mL vial, sealed hermetically with a crimped septum and dissolved in methanol (10 mL).
- the reaction is carried out in 20 mL glass vessels with magnetic stirrers. First, Al(OTf)s (0.8 mol%) and the ligand (0.2 mol%) are weighed into the glass vessel and then sealed hermetically using a flanged septum. An argon atmosphere is guaranteed in the following steps using a pierced cannula connected to an argon distribution station and at the same time there is the possibility of pressure equalization (adding solutions). The required amount of precursor stock solution (1.5 mL) is added using a pL syringe so that a weight of Pd(acac)2 (0.05 mol%) is obtained.
- methanol is added using a pL syringe so that a total volume of 8.4 mL is present.
- the autoclave is closed, flushed three times with nitrogen and checked for density using 20 bar nitrogen. After determining the density, the same procedure with CO.
- the reaction solutions are then heated to the required temperature of 120 °C. After 20 minutes at constant temperature, the substrate is transferred to the reaction vessels using an HPLC pump. After 15 minutes, a sample is taken from each of the substrate lines.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP22205590 | 2022-11-04 | ||
| PCT/EP2023/080099 WO2024094564A1 (de) | 2022-11-04 | 2023-10-27 | Picolylliganden und deren einsatz in der alkoxycarbonylierung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4612159A1 true EP4612159A1 (de) | 2025-09-10 |
Family
ID=84245707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23800342.0A Pending EP4612159A1 (de) | 2022-11-04 | 2023-10-27 | Picolylliganden und deren einsatz in der alkoxycarbonylierung |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4612159A1 (de) |
| CN (1) | CN120152982A (de) |
| WO (1) | WO2024094564A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025237424A1 (zh) * | 2024-05-17 | 2025-11-20 | 中国科学院上海有机化学研究所 | 一种长碳烯烃氢酯化合成长碳脂肪酸酯的方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4001256A1 (de) * | 2020-11-24 | 2022-05-25 | Evonik Operations GmbH | Verfahren zur alkoxycarbonylierung von ethylenisch ungesättigter verbindungen unter einsatz von benzolbasierte diphosphinliganden und aluminiumtriflat |
-
2023
- 2023-10-27 WO PCT/EP2023/080099 patent/WO2024094564A1/de not_active Ceased
- 2023-10-27 EP EP23800342.0A patent/EP4612159A1/de active Pending
- 2023-10-27 CN CN202380076629.1A patent/CN120152982A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN120152982A (zh) | 2025-06-13 |
| WO2024094564A1 (de) | 2024-05-10 |
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