EP2043780A1 - Précurseur de catalyseur pour un catalyseur complexe de rh - Google Patents

Précurseur de catalyseur pour un catalyseur complexe de rh

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Publication number
EP2043780A1
EP2043780A1 EP07729587A EP07729587A EP2043780A1 EP 2043780 A1 EP2043780 A1 EP 2043780A1 EP 07729587 A EP07729587 A EP 07729587A EP 07729587 A EP07729587 A EP 07729587A EP 2043780 A1 EP2043780 A1 EP 2043780A1
Authority
EP
European Patent Office
Prior art keywords
catalyst precursor
catalyst
precursor according
radicals
alkyl
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.)
Withdrawn
Application number
EP07729587A
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German (de)
English (en)
Inventor
Dieter Hess
Klaus-Diether Wiese
Oliver Moeller
Dirk Fridag
Detlef Selent
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
Original Assignee
Evonik Oxeno GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Evonik Oxeno GmbH and Co KG filed Critical Evonik Oxeno GmbH and Co KG
Publication of EP2043780A1 publication Critical patent/EP2043780A1/fr
Withdrawn legal-status Critical Current

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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
    • B01J31/16—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
    • 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
    • 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
    • C07F9/6564—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
    • C07F9/6571—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms
    • C07F9/6574—Esters of oxyacids of phosphorus
    • C07F9/65744—Esters of oxyacids of phosphorus condensed with carbocyclic or heterocyclic rings or ring systems
    • 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
    • C07F9/6564—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
    • C07F9/6571—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms
    • C07F9/6574—Esters of oxyacids of phosphorus
    • C07F9/65746—Esters of oxyacids of phosphorus the molecule containing more than one cyclic phosphorus atom
    • 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
    • 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

Definitions

  • the present invention relates to the preparation and use of catalyst precursors, in particular catalyst precursors of rhodium complex catalysts.
  • the active catalyst is often not brought in pure form for cost reasons and / or because of its difficult handling in the process, but in the hydroformylation reactor under the reaction conditions of the hydroformylation of one or more suitable precursor (s).
  • the suitability of a potential catalyst precursor depends on various factors. These factors include: commercial availability and price, storage stability, suitability for transport and entry into the reactor, compatibility with cocatalysts, solubility in the desired reaction medium, rapid catalyst formation, rapid reaction initiation with minimal induction period, and absence of negative effects of catalyst formation By-products on the production plant or the yield of the reaction.
  • Unfavorable for the activity and / or regioselectivity of the catalyst are precursors that already contain ligands that are difficult to remove due to a high complexing constant, such.
  • TPP trihenylphosphine
  • the catalyst precursor should preferably be able to be easily converted to the active catalyst and have good storage stability.
  • no by-products should arise which have a negative effect on the production plant or on the catalyst stability and / or the reactivity and / or the selectivity.
  • the precursors for rhodium complex catalysts are very stable and therefore easy to handle if they have the structure I.
  • These compounds are very suitable catalyst precursors, since they have very good solubilities and the ligands in compounds of the formula I can be easily displaced by ligands of the desired catalyst system.
  • the present invention therefore relates to a catalyst precursor comprising a rhodium complex according to the formula I.
  • a mixture comprising a catalyst precursor according to the invention and a process for preparing a catalyst precursor according to the invention, which is characterized in that a compound of the formula II
  • the present invention relates to the use of a catalyst precursor according to the invention for the preparation of a catalyst for hydrocyanation, hydroacylation, hydroamidation, hydroesterification, aminolysis, alcoholysis, carbonylation, isomerization or for a hydrogen transfer process and a process for the hydroformylation of olefins, which is characterized in that a catalyst is used, which was obtained from a catalyst precursor according to the invention.
  • the catalyst precursor according to formula I is used below, it should always be understood to include the Rh complex according to formula I and its use as a catalyst precursor.
  • the catalyst precursor of the formula I according to the invention has the advantage that it is very storage-stable. In particular, the catalyst precursor has a relatively high stability to thermal stress, oxidation or hydrolysis. Due to the good storage stability, the catalyst precursor according to the invention is outstandingly suitable to be kept ready as a catalyst precursor for processes in which metal-organophosphorus ligands should be or must be used.
  • the corresponding metal-organophosphorus ligand complex catalysts can be very easily generated from the catalyst precursors according to the invention by addition of the desired ligands.
  • the bond between X and the carbon atom to which the X is bonded may be a single or multiple bond.
  • the radicals Rl to Rl 6 may be the same or different, wherein more of the radicals Rl to Rl 6 may have the same meaning.
  • the ring system can be formed from one or more of the radicals Rl to Rl 6.
  • the ring system may be aliphatic or heteroaliphatic or aromatic or heteroaromatic.
  • the ring system is fused to the benzene ring.
  • the ring system is a fused aromatic ring system and is formed by each two adjacent radicals.
  • the radicals R5 and RIO and / or the radicals R1 and R6 may be connected and form a fused aromatic ring system.
  • Form z. B. both the radicals R5 and RIO and the radicals Rl 1 and R6 such a system may be a compound of formula I is a compound having a binaphthyl group.
  • the catalyst precursor according to the invention preferably has a rhodium complex of the formula Ia
  • R 1 to R 4 is a C 1 to C 4 alkyl group ReSt.
  • all radicals Rl to R4 are a C to C 4 alkyl radical. It may be advantageous if at least one of the radicals R 1 to R 4 is a tert-butyl radical. Most preferably, all radicals Rl to R4 are a tert-butyl radical.
  • R 5 to R 8 is a C 1 to C 4 -O-alkyl radical.
  • all radicals R5 to R8 are a C to C 4 -O-alkyl radical.
  • At least one of the radicals R5 to R8 is preferably a methoxy radical.
  • all radicals R5 to R8 are a methoxy radical.
  • the catalyst precursor according to the invention is very particularly preferably a complex according to formula Ib.
  • the molar ratio of rhodium to organophosphorus ligand can be from 1.1 to 0.9.
  • the molar ratio of rhodium to organophosphorus ligand is preferably 1: 1.
  • the molar ratio of rhodium to CO can be from 1.1 to 0.9.
  • the molar ratio of rhodium to CO is preferably 1 to 1.
  • the catalyst precursor according to the invention can, for. Example, be prepared by the novel process for the preparation of erfindunstraen catalyst precursor.
  • the radicals Rl to Rl 6 may be the same or different, wherein more of the radicals Rl to Rl 6 may have the same meaning.
  • the ring system can be formed from one or more of the radicals Rl to Rl 6.
  • the ring system may be aliphatic or heteroaliphatic or aromatic or heteroaromatic.
  • the ring system is fused to the benzene ring.
  • the ring system is a fused aromatic ring system and is formed by each two adjacent radicals.
  • the radicals R5 and RIO and / or the radicals R1 and R6 may be connected and form a fused aromatic ring system.
  • the compound of the formula II is preferably a compound of the formula IIa
  • Particular preference is given to using as compound of the formula II a compound of the formula IIa in which the radicals R 1, R 2, R 3 and R 4 are tert-butyl radicals and the radicals R 5, R 6, R 7 and R 8 are methoxy radicals.
  • the CO source can, for. B. carbon monoxide gas itself.
  • As rhodium compounds z. As rhodium nitrate, rhodium chloride, rhodium acetate, rhodium octanoate or Rhodiumnonanoat be used.
  • a rhodium carbonyl compound which also serves as CO source is preferably used as the rhodium compound in the process according to the invention.
  • a rhodium compound may, for. B. rhodium dicarbonyl be acetylacetonate.
  • the preparation of compounds of the formula II can be carried out as described in the prior art. In particular, the preparation of compounds of the formula II can be carried out as described in PCT / EP2004 / 052729 and the literature cited therein. The preparation of a compound of the formula II is described by way of example in Examples 1 to 3.
  • the catalyst precursor according to the invention can be used as a pure substance or as a mixture.
  • the mixtures according to the invention which comprise the catalyst precursor according to the invention may, in particular, comprise one or more solvents in addition to the catalyst precursor. Such solvents may be solvents that are inert with respect to the reaction for which the catalyst precursor is to be used after conversion to the catalyst.
  • the catalyst precursor be used, for example, to form the catalyst for a hydroformylation reaction
  • the olefin used in the hydroformylation such as. B. a C 4 -, C 5 -, C 6 -, C 7 -, C 8 -, C 9 -, Cio, Cn, Ci 2 -, Ci 3 -, Ci 4 -, Ci 5 -, Ci 6 - or C 20 -OIeSn, or produced in the hydroformylation alcohol or aldehyde, such as. B.
  • the mixture according to the invention comprises an inert solvent, then in the case of the hydroformylation z.
  • diphyl a commercially available mixture of biphenyl and diphenyl ether approximately in the ratio 1: 3
  • texanol dioctyl phthalate, diisononyl phthalate, resulting in the hydroformylation high boilers or propylene or butylene carbonate are used.
  • the mixtures according to the invention may contain further ligands, in particular organophosphorus ligands, or also metal complexes which have organophosphorus ligands.
  • the catalyst precursor according to the invention can be used as a precursor for the preparation of a catalyst for the hydrocyanation, the hydroacylation, the hydroamidation, the
  • olefins having 2 to 25 carbon atoms, particularly preferably 6 to 12 and very particularly preferably 8, 9, 10, 11 or 12 carbon atoms.
  • the complex catalysts used in the hydroformylation process prepared from the catalyst precursor can be the compounds and complexes known in the art. These can be obtained by reacting the precursor of the invention with the desired ligand.
  • optionally free organophosphorus ligands may be present in the reaction mixture of the hydroformylation.
  • the complex catalysts or the free ligands have such ligands selected from the phosphines, phosphites, phosphinites, phosphonites.
  • the ligands may have one or more phosphine, phosphite, phosphonite or phosphinite groups.
  • the ligands have two or more different groups selected from the phosphine, phosphite, phosphonite or phosphinite groups.
  • the ligands may be bisphosphites, bisphosphines, bisphosphonites, bisphosphinites, phosphine phosphites, phosphine phosphonites, phosphine phosphinites, phosphite phosphonites, phosphite phosphinites or phosphonite phosphinites.
  • the ligands of the complex catalyst and the free ligands may be the same or different.
  • the organophosphorus ligands of the complex catalyst and the free ligands are the same.
  • Phosphines triphenylphosphine, tris (p-tolyl) phosphine, tris (m-tolyl) phosphine, tris (o-tolyl) phosphine, tris (p-methoxyphenyl) phosphine, tris (p-dimethylaminophenyl) phosphine, tris (cyclohexyl) phosphine, tris (cyclopentyl) phosphine, triethylphosphine, tris (1-naphthyl) phosphine, tribenzylphosphine, tri-n-butylphosphine, tri-t-butylphosphine.
  • Phosphines triphenylphosphine, tris (p-tolyl) phosphine, tris (m-tolyl) phosphine, tris (o-tolyl) phosphine, tris (
  • Phosphites trimethyl phosphite, triethyl phosphite, tri-n-propyl phosphite, tri-i-propyl phosphite, tri-n-butyl phosphite, tri-i-butyl phosphite, tri-t-butyl phosphite, tris (2-ethylhexyl) phosphite, triphenyl phosphite, tris (2, 4-di-t-butylphenyl) phosphite, tris (2-t-butyl-4-methoxyphenyl) phosphite, tris (2-t-butyl-4-methylphenyl) phosphite, tris (p-cresyl) phosphite.
  • Phosphonites methyldiethoxyphosphine, phenyldimethoxyphosphine, phenyldiphenoxy-phosphine, 2-phenoxy-2H-dibenzo [c, e] [l, 2] oxaphosphorine and its derivatives in which the hydrogen atoms are wholly or partially replaced by alkyl and / or aryl radicals or halogen atoms ,
  • Common phosphinite ligands are diphenyl (phenoxy) phosphine and its derivatives diphenyl (methoxy) phosphine and diphenyl (ethoxy) phosphine.
  • hydroformylation complex catalysts which have an acyl or heteroacyl phosphite groups containing organophosphorus ligands.
  • Acyl phosphites or acyl phosphite-containing ligands, their preparation and their use in the hydroformylation are described for example in DE 100 53 272, which is to be part of the disclosure of the present invention.
  • Heteroacyl phosphites and heteroacyl phosphite-containing ligands, their preparation and their use in the hydroformylation are described for example in DE 10 2004 013 514.
  • acyl phosphites described in DE 100 53 272 are particularly preferred organophosphorus ligands which may be present in a hydroformylation process according to the invention as a catalyst complex ligand and / or as a free ligand.
  • heteroacyl phosphites described in DE 10 2004 013 514 according to the general formula (1) can be used as ligands in a further preferred embodiment.
  • the hydro formyl istsvon invention is preferably carried out so that 1 to 500 mol, preferably 1 to 200 mol and more preferably 2 to 50 mol of organophosphorus ligands are used per mole of rhodium.
  • Fresh organophosphorus ligands can be added to the hydroformylation reaction at any point in time to keep the concentration of free heteroacyl phosphite, ie not coordinated to the metal, constant.
  • the concentration of the metal in the hydroformylation mixture is preferably in the range from 1 ppm by mass to 1000 ppm by mass, preferably in the range from 5 ppm by mass to 300 ppm by mass, based on the total mass of the hydroformylation mixture.
  • the hydroformylation reactions carried out with the organophosphorus ligands or the corresponding metal complexes can be carried out according to known rules, such as. As described in J. FALBE, "New Syntheses with Carbon Monoxide", Springer Verlag, Berlin, Heidelberg, New York, page 95 et seq., (1980).
  • the olefin compound (s) is (are) reacted in the presence of the catalyst with a mixture of CO and H 2 (synthesis gas) to the one carbon atom richer aldehydes.
  • the reaction temperatures are preferably from 40 ° C. to 180 ° C., and preferably from 75 ° C. to 140 ° C.
  • the pressures at which the hydroformylation proceeds are preferably from 0.1 to 30 MPa of synthesis gas and preferably from 1 to 6.4 MPa.
  • the molar ratio between hydrogen and carbon monoxide (H 2 / CO) in the synthesis gas is preferably from 10/1 to 1/10, and preferably from 1/1 to 2/1.
  • the catalyst or the ligand is in the hydroformylation mixture, consisting of educts (olefins and synthesis gas) and products (aldehydes, alcohols, high boilers formed in the process), preferably homogeneously dissolved before.
  • a solvent may be present, which solvent may also be selected from the educts (olefins) or products (aldehydes) of the reaction.
  • Other possible solvents are organic compounds which do not interfere with the hydroformylation reaction and preferably easily, e.g. B. by distillation or extraction, can be separated again. Such solvents may, for. B. hydrocarbons, such as. B. be toluene.
  • Preferred starting materials are in particular ⁇ -olefins such as propene, 1-butene, 2-butene, 1-hexene, 1-octene and dimers and trimers of butene (isomer mixtures), in particular dibutene and tributene.
  • the hydroformylation can be carried out continuously or batchwise.
  • Examples of technical versions are stirred tanks, bubble columns, jet nozzle reactors, tube reactors, or loop reactors, which may be partly cascaded and / or provided with internals.
  • the reaction can take place continuously or in several stages.
  • the work-up of the hydroformylation mixture can be carried out in various ways known in the art.
  • the workup is preferably carried out in such a way that initially all gaseous constituents are separated off from the hydroformylation mixture. This is usually followed by separation of the hydroformylation products and any unreacted feed olefins. This separation can z. B. be achieved by the use of flash or falling film evaporators or distillation columns.
  • the residue which can be obtained is a fraction which essentially comprises the catalyst and any high boilers formed as by-products. This fraction can be attributed to the hydroformylation.
  • Catalyst precursors compounds used in various solvents was tested.
  • the solvents (10 ml) were placed in a snap-cap glass. With stirring, the Rh compounds were then added until the solution was saturated and the solid was clearly seen. Subsequently, the saturated solution was placed on a hot plate and a little heated (without temperature control to about 60 0 C). The solutions were then allowed to stand overnight in the sealed snap-cap glass. The next day, the solutions were added over the sediment, with syringe filter
  • a catalyst precursor according to the invention in the selection of tested solvents (alcohol, aromatic and in highly polar propylene carbonate) has a particularly good solubility.
  • the hydro-formylation test was carried out in a Parr 100 ml autoclave with pressure maintenance, flow measurement and paddle stirrer.
  • n-octene mixture consisting of about 1.5% by mass of 1-octene, 47% by mass of 2-octenes and 51.5% by mass of 3- and 4-octenes presented.
  • the molar ratio of Iia to Rh was thus about 20.
  • the total mass of the reaction solution was thus about 58 g.
  • the reaction mixture was heated with stirring (1000 U / min) and under synthesis gas pressure to 120 0 C and then set the exact target pressure of 20 bar.
  • the synthesis gas pressure was kept constant over the entire reaction time via a pressure regulator.
  • the gas consumption was registered by means of a Hitec Gas matfiussmessers. Bronkhorst (NL).
  • the reaction time of the hydroformylation test was 3 h, meanwhile taking samples from the autoclave for GC analysis. Subsequently, the reaction mixture was cooled to room temperature, the autoclave was depressurized and purged with argon, and then a sample was taken for GC analysis.
  • reaction mixture After replacing the argon atmosphere by rinsing with synthesis gas (CO / H 2 1: 1), the reaction mixture was heated with stirring (1000 U / min) and under synthesis gas pressure to 120 0 C and then set the exact target pressure of 20 bar. The synthesis gas pressure was kept constant over the entire reaction time via a pressure regulator. After the addition of the olefin, the gas consumption was measured by means of a Hitec Gas matfiussmessers Bronkhorst (NL) registered. The reaction time of the hydroformylation experiment was 3 h. The reaction mixture was then cooled to room temperature, the autoclave was purged, purged with argon, and a sample taken for GC analysis.
  • synthesis gas CO / H 2 1: 1
  • Examples 5 and 6 show that addition of the catalyst precursor IIa according to the invention does not have a negative effect on the test result.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
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Abstract

La présente invention concerne la fabrication et l'utilisation de précurseurs stables de catalyseurs complexes de rhodium.
EP07729587A 2006-07-26 2007-05-29 Précurseur de catalyseur pour un catalyseur complexe de rh Withdrawn EP2043780A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006034442A DE102006034442A1 (de) 2006-07-26 2006-07-26 Katalysatorvorstufe für einen Rh-Komplexkatalysator
PCT/EP2007/055165 WO2008012128A1 (fr) 2006-07-26 2007-05-29 Précurseur de catalyseur pour un catalyseur complexe de rh

Publications (1)

Publication Number Publication Date
EP2043780A1 true EP2043780A1 (fr) 2009-04-08

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Country Status (6)

Country Link
US (1) US20090292146A1 (fr)
EP (1) EP2043780A1 (fr)
JP (1) JP2009544641A (fr)
CN (1) CN101113154A (fr)
DE (1) DE102006034442A1 (fr)
WO (1) WO2008012128A1 (fr)

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JP2009544641A (ja) 2009-12-17
US20090292146A1 (en) 2009-11-26
CN101113154A (zh) 2008-01-30
DE102006034442A1 (de) 2008-01-31

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