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WO2009080515A1 - Procédé de fabrication d'une amine - Google Patents

Procédé de fabrication d'une amine Download PDF

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Publication number
WO2009080515A1
WO2009080515A1 PCT/EP2008/067195 EP2008067195W WO2009080515A1 WO 2009080515 A1 WO2009080515 A1 WO 2009080515A1 EP 2008067195 W EP2008067195 W EP 2008067195W WO 2009080515 A1 WO2009080515 A1 WO 2009080515A1
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WO
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Prior art keywords
catalyst
oxygen
containing compounds
calculated
hydrogen
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PCT/EP2008/067195
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German (de)
English (en)
Inventor
Petr Kubanek
Wolfgang Mägerlein
Ekkehard Schwab
Johann-Peter Melder
Manfred Julius
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Basf Se
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Publication of WO2009080515A1 publication Critical patent/WO2009080515A1/fr

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    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/74—Iron group metals
    • B01J23/755—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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/002—Mixed oxides other than spinels, e.g. perovskite
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/03—Precipitation; Co-precipitation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/04—Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups
    • C07C209/14—Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups by substitution of hydroxy groups or of etherified or esterified hydroxy groups
    • C07C209/16—Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups by substitution of hydroxy groups or of etherified or esterified hydroxy groups with formation of amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C211/00—Compounds containing amino groups bound to a carbon skeleton
    • C07C211/01—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms
    • C07C211/02—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
    • C07C211/09—Diamines
    • C07C211/10—Diaminoethanes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C213/00—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
    • C07C213/02—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton by reactions involving the formation of amino groups from compounds containing hydroxy groups or etherified or esterified hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C215/00—Compounds containing amino and hydroxy groups bound to the same carbon skeleton
    • C07C215/02—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton
    • C07C215/04—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being saturated
    • C07C215/06—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being saturated and acyclic
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C217/00—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton
    • C07C217/02—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton
    • C07C217/04—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated
    • C07C217/06—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having only one etherified hydroxy group and one amino group bound to the carbon skeleton, which is not further substituted
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C217/00—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton
    • C07C217/02—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton
    • C07C217/04—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated
    • C07C217/42—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having etherified hydroxy groups and at least two amino groups bound to the carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
    • C07D295/02—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms containing only hydrogen and carbon atoms in addition to the ring hetero elements
    • C07D295/023—Preparation; Separation; Stabilisation; Use of additives
    • 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
    • B01J2523/00—Constitutive chemical elements of heterogeneous catalysts

Definitions

  • the present invention relates to zirconium dioxide, copper and nickel containing catalysts and a process for producing an amine by reacting a primary or secondary alcohol, aldehyde and / or ketone with hydrogen and a nitrogen compound selected from the group consisting of ammonia, primary and secondary amines, in Presence of a zirconia, copper and nickel containing catalyst.
  • the process products find u. a. Use as intermediates in the preparation of fuel additives (US 3,275,554 A, DE 21 25 039 A and DE36 1 1 230 A), surfactants, pharmaceutical and plant protection agents, hardeners for epoxy resins, catalysts for polyurethanes, intermediates for the preparation of quaternary ammonium compounds, plasticizers , Corrosion inhibitors, synthetic resins, ion exchangers, textile auxiliaries, dyes, vulcanization accelerators and / or emulsifiers.
  • WO 06/069673 A1 (BASF AG) relates to a process for the direct amination of hydrocarbons (for example benzene), catalysts used in direct amination and to a process for the preparation of these catalysts.
  • Ni, Co, Mn, Fe, Ru, Ag and / or Cu are preferred in the catalysts: Ni, Co, Mn, Fe, Ru, Ag and / or Cu (compare page 4, lines 10-14).
  • EP 382 049 A1 discloses catalysts comprising oxygen-containing zirconium, copper, cobalt and nickel compounds and processes for the hydrogenating amination of alcohols.
  • the preferred zirconium oxide content of these catalysts is from 70 to 80% by weight (loc.cit: page 2, last paragraph, page 3, 3rd paragraph, examples). Although these catalysts are characterized by a good activity and selectivity, but show improvement in service life.
  • EP 963 975 A1 and EP 1 106 600 A2 (both BASF AG) describe processes for preparing amines from alcohols or aldehydes or ketones and nitrogen compounds using a catalyst whose catalytically active composition contains 22-40% by weight (or 22 45% by weight) of oxygen-containing compounds of zirconium, 1-30% by weight of oxygen-containing compounds of copper and 15-50% by weight (or 5-50% by weight) of oxygen-containing compounds of nickel and cobalt , WO 03/076386 A and EP 1 431 271 A1 (both BASF AG) teach catalysts of the above-mentioned. Type for aminations.
  • WO 2007/036496 A (BASF AG) describes a process for the preparation of amino diglycol (ADG) and morpholine by reaction of diethylene glycol (DEG) with ammonia in the presence of a transition metal heterogeneous catalyst, wherein the catalytically active material of the catalyst before treatment with Hydrogen oxygenated Contains compounds of aluminum and / or zirconium, copper, nickel and cobalt and the catalyst form has body-specific dimensions.
  • WO 03/051508 A1 (Huntsman Petrochemical Corp.) relates to processes for the amination of alcohols using specific Cu / Ni / Zr / Sn-containing catalysts which in another embodiment contain Cr instead of Zr (see page 4, lines 10) - 16).
  • the catalysts described in this WO application do not contain cobalt.
  • the "decarbonylation” is considered in particular as the sum of undesired components (methanol, methoxyethanol, methoxyethylamine, N-methylmorpholine and methoxy-ethyl-morpholine), which according to the reaction network of DEG via methoxyethanol arise:
  • the formed or used aldehyde can be aminated by reaction with ammonia or primary or secondary amine with elimination of water and subsequent hydrogenation. This condensation of the aldehyde with the above-mentioned nitrogen compound is presumably catalyzed by acidic centers of the catalyst. In an undesired secondary reaction, however, the aldehyde can also be decarbonylated, ie the aldehyde function is split off as CO. Decarbonylation or methanation presumably occurs at a metallic center. The CO is hydrogenated on the hydrogenation catalyst to methane, so that the methane formation the extent of Indicating decarbonylation. Decarbonylation results in the abovementioned undesired by-products, for example methoxyethanol and / or methoxyethylamine in the abovementioned case.
  • the desired condensation of the aldehyde with ammonia or primary or secondary amine and the undesirable decarbonylation of the aldehyde are parallel reactions of which the desired condensation is believed to be acid-catalyzed, while the undesirable decarbonylation is catalyzed by metallic centers.
  • Catalysts should be found which are technically easy to prepare and which allow the o.g. Aminations with high conversion, high yield, space-time yields (RZA), selectivity, catalyst life at the same time high mechanical stability of the catalyst molding and lower.
  • RZA space-time yields
  • the catalysts should have high activity and high chemical and mechanical stability under the reaction conditions.
  • the use of the catalysts in corresponding amination processes in which, due to the chemical structure of the reactants, linear and cyclic process products may result should lead to the linear process product (s) with improved selectivity.
  • a process for preparing an amine by reacting a primary or secondary alcohol, aldehyde and / or ketone with hydrogen and a nitrogen compound selected from ammonia, primary and secondary amines in the presence of a zirconia, copper and nickel containing catalyst which is characterized in that the catalytically active material of the catalyst before its reduction with hydrogen contains oxygen-containing compounds of zirconium, copper and nickel and in the range of 1, 5 to 4.9% by weight, preferably in the range of 1, 6 to 4.8 wt .-%, more preferably in the range of 1, 7 to 4.5 wt .-%, particularly preferably in the range of 1, 8 to 4.3 wt .-%, most preferably in the range of 2.0 to 4.0 wt .-%, oxygen-containing compounds of cobalt, calculated as CoO contains.
  • catalysts have been found whose catalytically active compound, before its reduction with hydrogen, contains oxygen-containing compounds of zirconium, copper and in the range of 1, 5 to 4.9 wt .-%, preferably 1, 6 to 4.8 wt .-%, more preferably 1, 7 to 4.5 wt .-%, more preferably in the range from 1, 8 to 4.3 wt .-%, particularly preferably in the range of 2.0 to 4.0 wt .-%, oxygen-containing compounds of cobalt, calculated as CoO, included.
  • catalysts whose catalytically active material before their reduction with hydrogen in the range of
  • oxygen-containing compounds of zirconium calculated as ZrO 2
  • ZrO 2 From 46 to 65% by weight of oxygen-containing compounds of zirconium, calculated as ZrO 2, from 5.5 to 18% by weight of oxygen-containing compounds of copper, calculated as CuO, from 26 to 44% by weight of oxygen-containing compounds of nickel, calculated as NiO, and from 1.5 to 4.9% by weight, preferably from 1.6 to 4.8% by weight, more preferably from 1.7 to 4.5% by weight, preferably from 1.8 to 4.3% by weight.
  • % particularly preferably 2.0 to 4.0 wt .-% oxygen-containing compounds of cobalt, calculated as CoO, contains, and their use in the above Amination process, especially in the process for the reaction of DEG with ammonia found.
  • composition of the catalytically active composition of the catalysts according to the invention and used in the process according to the invention relate to the catalytically active composition prior to its reduction with hydrogen.
  • the activity of the catalyst for the amination of primary or secondary alcohols, aldehydes and / or ketones in the presence of hb e.g. the amination of diethylene glycol (DEG) with ammonia to give aminodiglycol and morpholine
  • hb e.g. the amination of diethylene glycol (DEG) with ammonia to give aminodiglycol and morpholine
  • DEG diethylene glycol
  • ammonia to give aminodiglycol and morpholine
  • the extent of undesired decarbonylation reaction by the specific content of the zirconium-copper-nickel catalysts on cobalt is at least substantially the same but at the same time the selectivity of the amination reaction is economically interesting, linear amination products such as aminodiglycol, increases.
  • the process can be carried out continuously or discontinuously. Preferred is a continuous driving style.
  • the starting materials are targeted, preferably in a circulating gas stream, vaporized and fed to the reactor in gaseous form.
  • Suitable amines for a gas-phase synthesis are amines which, because of their boiling points and the boiling points of their educts, can be held in the gas phase within the scope of the process parameters.
  • the recycle gas serves to evaporate the reactants and to react as reactants for the amination.
  • the starting materials (alcohol, aldehyde and / or ketone, hydrogen and the nitrogen compound) are evaporated in a circulating gas stream and fed to the reactor in gaseous form.
  • the educts (alcohol, aldehyde and / or ketone, the nitrogen compound) can also be evaporated as aqueous solutions and passed with the circulating gas stream on the catalyst bed.
  • Preferred reactors are tubular reactors. Examples of suitable reactors with recycle gas stream can be found in Ullmann's Encyclopedia of Industrial Chemistry, 5th Ed., Vol. B 4, pages 199-238, "Fixed-Bed Reactors".
  • reaction is advantageously carried out in a tube bundle reactor or in a monostane system.
  • the tubular reactor in which the reaction takes place may consist of a series connection of several (for example two or three) individual tubular reactors.
  • an intermediate feed of feed (containing the educt and / or ammonia and / or Hb) and / or circulating gas and / or reactor discharge from a downstream reactor is advantageously possible here.
  • the circulating gas quantity is preferably in the range from 40 to 1500 m 3 (at operating pressure) / [m 3 catalyst (bulk volume) • h], in particular in the range from 100 to 700 m 3 (at operating pressure) / [m 3 catalyst (bulk volume). H].
  • the cycle gas preferably contains at least 10, especially 50 to 100, especially 80 to 100, vol.% H 2 .
  • the catalysts are preferably used in the form of catalysts which consist only of catalytically active material and optionally a molding aid (such as graphite or stearic acid), if the catalyst is used as a shaped body, ie no further catalytically active impurities contain.
  • a molding aid such as graphite or stearic acid
  • the oxidic carrier material zirconium dioxide (ZrO 2 ) is considered as belonging to the catalytically active material.
  • the catalysts are used in such a way that one introduces the catalytically active, ground to powder mass in the reaction vessel or, that the catalytically active material after grinding, mixing with molding aids, shaping and heat treatment as shaped catalyst body - for example as tablets, spheres, rings, extrudates (eg strands) - arranges in the reactor.
  • concentration data in wt .-%) of the components of the catalyst are in each case - unless otherwise stated - on the catalytically active composition of the finished catalyst after the last heat treatment and before its reduction with hydrogen.
  • the catalytically active mass of the catalyst is the sum of the masses of the catalytically active constituents and the o.
  • Catalyst support materials defines and essentially contains the following components: zirconia (ZrO 2), oxygenated compounds of copper, nickel and cobalt.
  • Components of the catalytically active composition are usually from 70 to 100% by weight, preferably from 80 to 100% by weight, particularly preferably from 90 to 100% by weight, especially> 95% by weight, very particularly> 98% by weight , in particular> 99 wt .-%, for example particularly preferably 100% by weight.
  • the catalytically active composition of the catalysts used according to the invention and used in the process according to the invention may further contain one or more elements (Oxidati- onstress 0) or their inorganic or organic compounds selected from the groups IA to VI A and IB to VII B and VIII of the Periodic Table ,
  • Transition metals such as Mn or MnÜ2, W or tungsten oxides, Ta or tantalum oxides, Nb or niobium oxides or niobium oxalate, V or vanadium oxides or vanadyl pyrophosphate; Lanthanides, such as Ce or CeO 2 or Pr or Pr 2 O 3 ; Alkali metal oxides such as Na 2 O; Alkali metal carbonates, such as Na 2 CO 3 ; Alkaline earth metal oxides, such as SrO; Alkaline earth metal carbonates such as MgCO 3 , CaCO 3 and BaCO 3 ; Boron oxide (B 2 O 3 ).
  • the catalytically active composition of the catalysts used according to the invention and used in the process according to the invention preferably contains no rhenium, no ruthenium, no iron and / or no zinc, in each case neither in metallic (oxidation state 0) nor in an ionic, especially oxidized, form.
  • the catalytically active composition of the catalysts according to the invention and used in the process according to the invention preferably contains no silver and / or molybdenum, in each case neither in metallic (oxidation state 0) nor in an ionic, in particular oxidized, form.
  • the catalytically active composition of the catalyst according to the invention and used in the process according to the invention contains No further catalytically active component, neither in elemental nor in ionic form.
  • the catalytically active material is not doped with other metals or metal compounds.
  • the metal extraction of Cu, Co, Ni derived usual accompanying trace elements thereof are excluded.
  • the catalytically active composition of the catalyst before its reduction with hydrogen in the range of 1, 5 to 4.9 wt .-%, preferably 1, 6 to 4.8 wt .-%, especially 1, 7 to 4.5 wt. more preferably in the range of from 1.8 to 4.3% by weight, more particularly in the range of from 2.0 to 4.0% by weight, of oxygen-containing compounds of cobalt, calculated as CoO.
  • the catalytically active composition of the catalyst further preferably contains, in the range of, before its reduction with hydrogen
  • oxygen-containing compounds of zirconium calculated as ZrÜ2, 5.5 to 18 wt .-%, especially 6.0 to 16% by weight, more particularly 7.0 to 14% by weight, of oxygen-containing compounds of copper, calculated as CuO, and 26 to 44% by weight, especially 28 to 42% by weight, more especially 31 to 39 wt .-%, oxygenated compounds of nickel, calculated as NiO.
  • the molar ratio of nickel to copper is preferably greater than 1, more preferably greater than 1.2, more preferably in the range of 1.8 to 8.5.
  • Precipitation methods are preferably used for the preparation of catalysts of the invention.
  • they can be obtained by coprecipitation of the nickel, cobalt and copper components from an aqueous salt solution containing these elements by means of bases in the presence of a sparingly soluble oxygen-containing zirconium compound slurry and then washing, drying and calcining the resulting precipitate.
  • Zirconium dioxide, zirconium oxide hydrate, zirconium phosphates, borates and silicates can be used, for example, as sparingly soluble, oxygen-containing zirconium compounds.
  • the slurries of the sparingly soluble zirconium compounds can by
  • the novel catalysts are preferably prepared by a co-precipitation (mixed precipitation) of all their components.
  • aqueous salt solution containing the catalyst components while heating and while stirring with an aqueous base, for example sodium carbonate, sodium hydroxide, potassium carbonate or potassium hydroxide, until the precipitation is complete.
  • alkali metal-free bases such as ammonia, ammonium carbonate, ammonium bicarbonate, ammonium carbamate, ammonium oxalate, ammonium malonate, urotropin, urea, etc.
  • salts used are generally not critical: since it is primarily the water solubility of the salts that is important in this procedure, one criterion is their good water solubility, which is necessary for the preparation of these relatively highly concentrated salt solutions. It is taken for granted that in the selection of the salts of the individual components, of course, only salts with such anions are chosen which do not lead to disturbances, either by causing undesirable precipitations or by complicating or preventing the precipitation by complex formation ,
  • the precipitates obtained in these precipitation reactions are generally chemically non-uniform and consist i.a. from mixtures of the oxides, oxide hydrates, hydroxides, carbonates and insoluble and basic salts of the metals used. It may prove beneficial for the filterability of the precipitates when they are aged, i. if left for some time after precipitation, possibly in heat or by passing air through it.
  • the precipitates obtained by these precipitation processes are further processed to the catalysts of the invention as usual.
  • the precipitation is washed. Over the duration of the washing process and on the temperature and amount of wash water, the content of alkali metal, which was supplied by the (mineral) base possibly used as precipitant, can be influenced. In general, by increasing the washing time or increasing the temperature of the washing water, the content of alkali metal will decrease.
  • the precipitated material is generally at 80 to 200 0 C, is preferably dried at 100 to 150 0 C, Ge, and then calcined. The calcination is carried out in general at temperatures between 300 and 800 0 C, preferably at 400 to 600 0 C, in particular at 450 to 550 0 C.
  • the catalysts according to the invention can also be prepared by impregnation of zirconium dioxide (ZrO.sub.2) which is present, for example, in the form of powders or shaped articles, such as extrudates, tablets, spheres or rings.
  • zirconium dioxide is used, for example, in the amorphous, monoclinic or tetragonal form, preferably in the monoclinic form.
  • the impregnation is also carried out by the usual methods, such as. B. A. Stiles, Catalyst Manufacture - Laboratory and Commercial Preparations, Marcel Dekker, New York (1983), by applying a respective metal salt solution in one or more impregnation stages, wherein as metal salts z. B. corresponding nitrates, acetates or chlorides can be used.
  • the mass is dried after the impregnation and optionally calcined.
  • the impregnation can be carried out according to the so-called "incipient wetness” method, in which the zirconium dioxide is moistened according to its water absorption capacity to a maximum of saturation with the impregnation solution.
  • the impregnation can also be done in supernatant solution.
  • multi-stage impregnation processes it is expedient to dry between individual impregnation steps and optionally to calcine.
  • the multi-stage impregnation is advantageous to apply especially when the zirconium dioxide is to be applied with a larger amount of metal.
  • the impregnation can take place simultaneously with all metal salts or in any order of the individual metal salts in succession.
  • the catalysts prepared by impregnation are dried and preferably also calcined, e.g. at the calcining temperature ranges already indicated above.
  • the catalyst is suitably conditioned, whether it is adjusted by grinding to a certain particle size or that it is mixed after its grinding with molding aids such as graphite or stearic acid, by means of a press to formations, for.
  • molding aids such as graphite or stearic acid
  • the tempering temperatures preferably correspond to the temperatures during the calcination.
  • the catalysts prepared in this way contain the catalytically active metals in the form of a mixture of their oxygen-containing compounds, ie in particular as oxides and mixed oxides.
  • the catalysts prepared, for example, as described above are stored as such and optionally traded. Before being used as catalysts, they are usually prereduced. However, they can also be used without prereduction, in which case they are reduced under the conditions of the hydrogenating amination by the hydrogen present in the reactor.
  • the catalysts are initially exposed to atmosphere over a period of for example 12 to 20 hours a nitrogen-hydrogen and then treated for up to 24 hours, preferably at 200 to 400 0 C in a hydrogen atmosphere at preferably 150 to 200 0 C.
  • a portion of the oxygen-containing metal compounds present in the catalysts is reduced to the corresponding metals, so that they are present together with the various oxygen compounds in the active form of the catalyst.
  • the mechanical stability can be determined by measuring the so-called lateral compressive strength.
  • the shaped catalyst body for. As the catalyst tablet, between two parallel plates loaded with increasing force, this load z. B. can take place on the shell side of catalyst tablets until a breakage of the catalyst molding occurs.
  • the force registered on breakage of the shaped catalyst body is the lateral compressive strength.
  • the inventive method is preferably carried out continuously, wherein the catalyst is preferably arranged as a fixed bed in the reactor. Both an inflow of the fixed catalyst bed from above and from below is possible.
  • the gas flow is adjusted by temperature, pressure and amount so that even higher-boiling (high-boiling) reaction products remain in the gas phase.
  • the aminating agent can be used in stoichiometric, lower or superstoichiometric amounts.
  • the amine is preferably used in an approximately stoichiometric amount or slightly more than stoichiometric amount per mole of alcoholic hydroxyl group, aldehyde group or keto group to be aminated.
  • the amine component is preferably in the 0.90 to 100-fold molar amount, in particular in the 1, 0 to 10-fold molar amount, in each case based on the / used alcohol, aldehyde and / or ketone used.
  • ammonia is generally used with a 1.5 to 250-fold, preferably 2 to 100-fold, in particular 2 to 10-fold, molar excess per mole of alcoholic hydroxyl group, aldehyde group or keto group to be reacted. Higher excesses of both ammonia and primary or secondary amines are possible.
  • an amount of exhaust gas from 5 to 800 standard cubic meters / h, in particular 20 to 300 standard cubic meters / h, driven.
  • the amination of the primary or secondary alcohol groups, aldehyde groups or keto groups of the educt can be carried out in the liquid phase or in the gas phase.
  • the fixed bed process is in the gas phase.
  • the starting materials are passed simultaneously in the liquid phase at pressures of generally from 5 to 30 MPa (50 to 300 bar), preferably from 5 to 25 MPa, more preferably from 15 to 25 MPa, and temperatures of generally 80 to 350 0 C, particularly 100 to 300 0 C, preferably 120 to 270 0 C, particularly preferably 130 to 250 0 C, in particular 170 to 230 0 C, including hydrogen over the catalyst, the usually located in a preferably heated from the outside fixed bed reactor. It is both a trickle driving and a sumping way possible.
  • the catalyst loading is generally in the range of 0.05 to 5, preferably 0.1 to 2, more preferably 0.2 to 0.6, kg of alcohol, aldehyde or ketone per liter of catalyst (bulk volume) and hour.
  • a dilution of the reactants with a suitable solvent such as tetrahydrofuran, dioxane, N-methylpyrrolidone or ethylene glycol dimethyl ether, take place. It is expedient to heat the reactants before they are introduced into the reaction vessel, preferably to the reaction temperature.
  • the gaseous educts (alcohol, aldehyde or ketone plus ammonia or amine) in a gas stream chosen for evaporation sufficiently large, preferably hydrogen, at pressures of generally 0.1 to 40 MPa (1 to 400 bar), preferably 0.1 to 10 MPa, more preferably 0.1 to 5 MPa, in the presence of hydrogen passed over the catalyst.
  • the temperatures for the amination of alcohols are generally from 80 to 350 0 C, particularly 100 to 300 0 C, preferably from 120 to 270 0 C, particularly preferably 160 to 250 0 C.
  • the reaction temperatures in the hydrogenating amination of aldehydes and ketones are generally 80 to 350 0 C, especially 90 to 300 0 C, preferably 100 to 250 0 C. It is both an inflow of the fixed catalyst bed from above and from below possible.
  • the required gas stream is preferably obtained by a cycle gas method.
  • the catalyst loading is generally in the range of 0.01 to 2, preferably 0.05 to 0.5, kg of alcohol, aldehyde or ketone per liter of catalyst (bulk volume) and hour.
  • the hydrogen is generally fed to the reaction in an amount of from 5 to 400 l, preferably in an amount of from 50 to 200 l per mole of alcohol, aldehyde or ketone component, the liter data in each case being converted to standard conditions (ST .).
  • the amination of aldehydes or ketones differs in the implementation of the amination of alcohols in that in the amination of aldehydes and ketones at least stoichiometric amounts of hydrogen must be
  • the pressure in the reaction vessel which results from the sum of the partial pressures of the aminating agent, of the alcohol, aldehyde or ketone and the reaction products formed and optionally of the solvent used at the indicated temperatures, is expediently increased by pressurizing hydrogen to the desired reaction pressure.
  • the excess aminating agent can be recycled along with the hydrogen.
  • the catalyst is arranged as a fixed bed, it may be advantageous for the selectivity of the reaction to mix the shaped catalyst bodies in the reactor with inert fillers, so to speak to "dilute" them.
  • the proportion of fillers in such catalyst preparations may be 20 to 80, especially 30 to 60 and especially 40 to 50 parts by volume.
  • reaction water formed in the course of the reaction in each case one mole per mole of reacted alcohol group, aldehyde group or keto group
  • the reaction water formed in the course of the reaction generally does not interfere with the degree of conversion, the reaction rate, the selectivity and the catalyst lifetime and is therefore expediently only during work-up the reaction product removed from this, z. B. distillative.
  • the excess hydrogen and the optionally present excess amination agent are removed from the reaction effluent and the reaction crude product obtained is purified, for example by fractional rectification. Suitable workup processes are described, for example, in EP 1 312 600 A and EP 1 312 599 A (both BASF AG).
  • the excess aminating agent and the hydrogen are advantageously returned to the reaction zone.
  • Unreacted starting materials and any appropriate by-products can be recycled back into the synthesis. Unreacted starting materials can be re-flowed over the catalyst bed in discontinuous or continuous operation after condensation of the products in the separator in the circulating gas stream.
  • Amination agents in the process according to the invention are, in addition to ammonia, primary and secondary amines.
  • R 1, R 2 is hydrogen (H), alkyl, such as Ci-20 alkyl, cycloalkyl, such as C 3-12 cycloalkyl, alkoxyalkyl, such as C2-3o alkoxyalkyl, dialkylaminoalkyl, such as C 3 - 3 o-dialkylaminoalkyl , aryl, aralkyl, such as C7-2o aralkyl, and alkylaryl, such as C7-2o-alkylaryl, or together are - (CH2) Jx (CH 2) k,
  • R 3 is hydrogen (H), alkyl, such as 2 CI_ o-alkyl, cycloalkyl such as C 3 -
  • hydroxyalkyl such as C 1-20 -hydroxyalkyl
  • aminoalkyl such as C 1-20 -aminoalkyl
  • hydroxyalkylaminoalkyl such as C 2-20 -hydroxyalkylaminoalkyl
  • alkoxyalkyl such as C 2-30 -alkoxyalkyl
  • dialkylaminoalkyl such as C 3-30 -dialkylamino alkyl
  • alkylaminoalkyl such as C 2-30 -alkylaminoalkyl
  • OCR 6 R 7 CR 8 R 9 n - (OCR 6 R 7 ), aryl, heteroaryl, aralkyl, such as C 7-2o-aralkyl, heteroarylalkyl, such as C 4-2o-heteroarylalkyl, alkylaryl, such as C 7-2o-alkylaryl, alkylheteroaryl, such as Al kyl C4-20- heteroaryl, and Y- (CH 2) m -NR 5 - (CH 2) q or jointly - (CH2) ⁇ -X- (CH 2) m or
  • R 5 is hydrogen (H), alkyl, such as Ci -4 alkyl, alkylphenyl, such as C 7 - 4o-alkylphenyl,
  • R 6 , R 7 , R 8 , R 9 is hydrogen (H), methyl or ethyl, X is CH 2 , CHR 5 , oxygen (O), sulfur (S) or NR 5 ,
  • n is an integer from 1 to 30 and
  • j, k, I, m, q is an integer from 1 to 4,
  • the process according to the invention is therefore preferably used for the preparation of an amine by reacting a primary or secondary alcohol of the formula II
  • the starting alcohol may also be an aminoalcohol, e.g. an aminoalcohol according to the formula II.
  • the reaction can also be carried out intramolecularly in a corresponding amino alcohol, aminoketone or amino aldehyde.
  • the radical R 4 (R 3 ) CH- is therefore formally replaced by a hydrogen atom of the nitrogen compound III by the radical R 4 (R 3 ) CH- with the release of one molar equivalent of water.
  • the process according to the invention is also preferably used in the preparation of a cyclic amine of the formula IV
  • R 11 and R 12 is hydrogen (H), alkyl, such as d- to C 20 alkyl, cycloalkyl such as C 3 - to C 2 - cycloalkyl, aryl, heteroaryl, aralkyl, such as C7-C2o aralkyl, and alkylamine ryl, such as C 7 - to C 20 -alkylaryl,
  • Z is CH 2 , CHR 5 , oxygen (O), NR 5 or NCH 2 CH 2 OH and
  • R 1 , R 6 , R 7 have the meanings given above,
  • R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 , R 12 hydrogen (H),
  • Alkyl such as Ci -2 o alkyl, preferably Ci-14-alkyl, such as methyl, ethyl, n-propyl, isopropyl, n-butyl, iso-butyl, sec-butyl, tert-butyl, n- Pentyl, iso-pentyl, sec-pentyl, neo-pentyl, 1,2-dimethylpropyl, n-hexyl, iso-hexyl, sec-hexyl, cyclopentylmethyl, n-heptyl, iso-heptyl, cyclohexylmethyl, n-octyl, iso-octyl, 2-ethylhexyl, n Decyl, 2-n-propyl-n-heptyl, n-tridecyl, 2-n-butyl-n-nonyl and 3-n-butyl-n-n
  • Ci-20-hydroxyalkyl such as Ci-20-hydroxyalkyl, preferably Ci-s-hydroxyalkyl, particularly preferably C 1-4 -hydroxyalkyl, such as hydroxymethyl, 1-hydroxyethyl, 2-hydroxyethyl, 1-hydroxy-n-propyl, 2-hydroxy-n propyl, 3-hydroxy-n-propyl and 1- (hydroxymethyl) ethyl,
  • Aminoalkyl such as C 1-20 -aminoalkyl, preferably C 1-8 -aminoalkyl, such as aminomethyl, 2-aminoethyl, 2-amino-1, 1-dimethylethyl, 2-amino-n-propyl, 3-amino-n-propyl, 4-amino-n-butyl, 5-amino-n-pentyl, N- (2-aminoethyl) -2-aminoethyl and N- (2-aminoethyl) aminomethyl,
  • Hydroxyalkylaminoalkyl such as C2-2o-hydroxyalkylaminoalkyl, preferably C3-8-hydroxyalkylaminoalkyl, such as (2-hydroxyethylamino) methyl, 2- (2-hydroxyethylamino) ethyl and 3- (2-hydroxyethylamino) propyl,
  • Alkylaminoalkyl such as C 2-3 -alkylaminoalkyl, preferably C 2-30 -alkylaminoalkyl, particularly preferably C 2-8 -alkyl-aminoalkyl, such as methylaminomethyl, 2-methylaminoethyl, ethylaminomethyl, 2-ethylaminoethyl and 2- (iso-propylamino) ethyl, (R 5 ) HN- (CH 2 ) q ,
  • Heteroarylalkyl such as C4-2o-heteroarylalkyl, such as pyrid-2-ylmethyl, furan-2-ylmethyl, pyrrol-3-ylmethyl and imidazol-2-ylmethyl,
  • Alkylheteroaryl such as C4-2o-alkyl heteroaryl such as 2-methyl-3-pyridinyl, 4,5-dimethyl-imidazol-2-yl, 3-methyl-2-furanyl and 5-methyl-2-pyrazinyl,
  • Heteroaryls such as 2-pyridinyl, 3-pyridinyl, 4-pyridinyl, pyrazinyl, pyrrol-3-yl, imidazol-2-yl, 2-furanyl and 3-furanyl,
  • Cycloalkyl such as C 3-12 -cycloalkyl, preferably C 3-8 -cycloalkyl, such as cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl and cyclooctyl, particularly preferably cyclopentyl and cyclohexyl, Alkoxyalkyl, such as C 2-3 -alkoxyalkyl, preferably C 2-30 -alkoxyalkyl, particularly preferably C 2-8 -alkoxyalkyl, such as methoxymethyl, ethoxymethyl, n-propoxymethyl, isopropoxymethyl, n-butoxymethyl, isobutoxymethyl, sec-butoxymethyl, tert-butoxymethyl, 1-methoxyethyl and 2-methoxyethyl, more preferably C 2-4 -alkoxyalkyl,
  • Dialkylaminoalkyl such as C3-3o-dialkylaminoalkyl, preferably C3-2o-dialkylaminoalkyl, more preferably C3-io-dialkylaminoalkyl, such as N, N-dimethylaminomethyl, (N, N-dibutylamino) methyl, 2- (N, N-dimethylamino) ethyl , 2- (N 1 N-diethylamino) ethyl, 2- (N, N-dibutylamino) ethyl, 2- (N, N-Di-n-propylamino) ethyl and 2- (N, N-di-iso -propylamino ) ethyl, 3- (N, N-dimethylamino) propyl, (R 5 ) 2 N- (CH 2 ) q ,
  • Aryl such as phenyl, 1-naphthyl, 2-naphthyl, 1-anthryl, 2-anthryl and 9-anthryl, preferably phenyl, 1-naphthyl and 2-naphthyl, more preferably phenyl,
  • Alkylaryl such as C7-2o-alkylaryl, preferably C7-12-alkylphenyl, such as 2-methylphenyl, 3-methylphenyl, 4-methylphenyl, 2,4-dimethylphenyl, 2,5-dimethylphenyl, 2,6-dimethylphenyl, 3,4 Dimethylphenyl, 3,5-dimethylphenyl, 2,3,4-trimethylphenyl, 2,3,5-trimethylphenyl, 2,3,6-trimethylphenyl, 2,4,6-trimethylphenyl, 2-
  • Aralkyl such as C7-2o-aralkyl, preferably C7-12-phenylalkyl, such as benzyl, p-methoxybenzyl, 3,4-dimethoxybenzyl, 1-phenethyl, 2-phenethyl, 1-phenylpropyl, 2-phenylpropyl, 3-phenyl propyl, 1-phenyl-butyl, 2-phenyl-butyl, 3-phenyl-butyl and 4-phenyl-butyl, more preferably benzyl, 1-phenethyl and 2-phenethyl,
  • R 3 and R 4 or R 2 and R 4 together form a - (CH 2 ) 1 -X- (CH 2 ) m group, such as - (CH 2 ) 3 -, - (CH 2 J 4 -, - (CH 2 ) S-, - (CH 2 J 6 -, - (CH 2 ) 7 -, - (CH 2 JO- (CH 2 J 2 -, - (CH 2 J-NR 5 - (CH 2 J 2 -, - (CH 2 J-CH R 5 - (CH 2 ) 2 -, - (CH 2 J 2 -O- (CH 2 J 2 -, - (CH 2 J 2 -NR 5 - (CH 2 ) 2 -, - (CH 2 J 2 -CHR 5 - (CH 2 ) 2 -, -CH 2 -O- (CH 2 J 3 -, -CH 2 -NR 5 - (CH 2 ) 3 -, -CH 2 -CH R 5
  • Ci -2 o alkyl such as Ci -2 o alkyl, preferably Ci-s-alkyl, such as methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, sec-butyl, tert-butyl, n- Pentyl, isopentyl, sec-pentyl, neo-pentyl, 1,2-dimethylpropyl, n-hexyl, iso-hexyl, sec-hexyl, n-heptyl, iso-heptyl, n-octyl, iso-octyl, 2-ethylhexyl, more preferably Ci-4-alkyl, or
  • R 1 and R 2 together form a - (CH 2 ) r X- (CH 2 ) k - group, such as - (CH 2 J 3 -, - (CH 2 J 4 -, - (CH 2 J 5 -, - ( CH 2 J 6 -, - (CH 2 J 7 -, - (CH 2 JO- (CH 2 J 2 -, - (CH 2 ) -NR 5 - (CH 2 ) 2 -, - (CH 2 J-CHR 5 - (CH 2 J 2 -, - (CH 2 J 2 -O- (CH 2 J 2 -, - (CH 2 J 2 -NR 5 - (CH 2 ) 2 -, - (CH 2 J 2 -CH R 5 - (CH 2 ) 2 -, -CH 2 -O- (CH 2 J 3 -, -CH 2 -NRs- (CH 2 J 3 -, -CH 2 -NRs- (CH 2 J 3
  • R 5 , R 10 - alkyl, preferably Ci-4-alkyl, such as methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, sec-butyl and tert-butyl, preferably methyl and Ethyl, more preferably methyl,
  • Alkylphenyl preferably C7-4o-alkylphenyl, such as 2-methylphenyl, 3-methylphenyl, A-methylphenyl, 2,4-dimethylphenyl, 2,5-dimethylphenyl, 2,6-dimethylphenyl, 3,4-
  • Methyl or ethyl preferably methyl
  • Alkyl such as d- to C2o-alkyl, cycloalkyl such as C 3 - to Ci 2 cycloalkyl, aryl, heteroaromatics ryl, aralkyl, such as C7-C2o aralkyl, and alkylaryl, such as C7 to C 2 O-AI ky I aryl, each as defined above,
  • N (R 10 ) 2 preferably NH 2 and N (CH 3 ) 2 ,
  • C 2-2 o-alkylaminoalkyl preferably C 2- i6-alkylaminoalkyl, such as methylaminomethyl, 2- methylaminoethyl, ethylaminomethyl, 2-ethylaminoethyl and 2- (iso- propylamino) ethyl,
  • C 3-2 o-dialkylaminoalkyl preferably C 3- i6-dialkylaminoalkyl such as dimethylamino methyl, 2-dimethylaminoethyl, 2-diethylaminoethyl, 2- (di-n-propylamino) ethyl and 2- (di-iso-propylamino) ethyl,
  • Z CH 2 , CHR 5 , O, NR 5 or NCH 2 CH 2 OH, j. l: an integer from 1 to 4 (1, 2, 3 or 4), preferably 2 and 3, particularly preferably 2,
  • k, m, q an integer from 1 to 4 (1, 2, 3 or 4), preferably 2, 3 and 4, more preferably 2 and 3,
  • n an integer from 1 to 30, preferably an integer from 1 to 8 (1, 2, 3, 4, 5, 6, 7 or 8), more preferably an integer from 1 to 6.
  • alcohols are suitable among the o.g. Prerequisites virtually all primary and secondary alcohols with aliphatic OH function.
  • the alcohols can be straight-chain, branched or cyclic. Secondary alcohols are aminated as well as primary alcohols.
  • the alcohols may further bear substituents or contain functional groups which are inert under the conditions of the hydrogenating amination, for example alkoxy, alkenyloxy, alkylamino or dialkylamino groups, or may also be hydrogenated under the conditions of the hydrogenating amination, for example CC -Double or triple bonds.
  • polyhydric alcohols such as. As diols or triols, especially glycols, are aminated, it has to control the reaction conditions in hand, preferably amino alcohols, cyclic amines or multiply aminated products to obtain.
  • 1, 6-diols leads depending on the choice of reaction conditions to 1-amino-6-hydroxy, 1, 6-diamino compounds or seven-membered rings with a nitrogen atom (hexamethyleneimines).
  • diglycol DEG
  • ADG H 2 N-CH 2 CH 2 -O-CH 2 CH 2 -OH
  • diaminodiglycol H 2 N-CH 2 CH 2 -O-CH 2 CH 2 - NH 2
  • ADG H 2 N-CH 2 CH 2 -O-CH 2 CH 2 - NH 2
  • alcohols are preferably aminated:
  • Diethylamino pentanoM ethylene glycol, 1,2-propylene glycol, 1,3-propylene glycol, diglycol, 1,4-butanediol, 1,5-pentanediol, 1,6-hexanediol, 2,2-bis [4-hydroxycyclohexyl] propane, methoxyethanol, propoxyethanol, butoxyethanol, polypropyl alcohols, polyethylene glycol ethers, polypropylene glycol ethers and polybutylene glycol ethers.
  • the latter polyalkylene glycol ethers are converted in the reaction according to the invention by conversion of their free hydroxyl groups to give the corresponding amines.
  • Particularly preferred alcohols are methanol, ethanol, n-propanol, i-propanol, n-butanol, sec-butanol, 1, 4-butanediol, 1, 5-pentanediol, 1, 6-hexanediol, 2-ethylhexanol, cyclohexanol, fatty alcohols , Ethylene glycol, diethylene glycol (DEG), triethylene glycol (TEG), 2- (2-dimethylamino-ethoxy) ethanol, N-methyldiethanolamine and 2- (2-dimethylaminoethoxy) ethanol.
  • DEG diethylene glycol
  • TEG triethylene glycol
  • 2- (2-dimethylamino-ethoxy) ethanol N-methyldiethanolamine
  • 2- (2-dimethylaminoethoxy) ethanol 2- (2-dimethylaminoethoxy
  • ketones which can be used in the process according to the invention practically all aliphatic and aromatic ketones are suitable under the abovementioned conditions.
  • the aliphatic ketones may be straight-chain, branched or cyclic, the ketones may contain heteroatoms.
  • the ketones may also bear substituents or contain functional groups which are inert under the conditions of the hydrogenating amination, for example alkoxy, alkenyloxy, alkylamino or dialkylamino groups, or else optionally hydrogenated under the conditions of the hydrogenating amination be CC double or triple bonds. If multivalent ketones are to be aminated, then it is possible to control them by controlling the reactants. in hand, aminoketones, amino alcohols, cyclic amines or multiply aminated products.
  • ketones are preferably hydrogenated aminatively:
  • Suitable aldehydes for use in the process according to the invention are suitable among the above-mentioned. Prerequisites virtually all aliphatic and aromatic aldehydes.
  • the aliphatic aldehydes may be straight-chain, branched or cyclic, the aldehydes may contain heteroatoms.
  • the aldehydes may also bear substituents or contain functional groups which are inert under the conditions of the hydrogenating amination, for example alkoxy, alkenyloxy, alkylamino or dialkylamino groups, or else optionally hydrogenated under the conditions of the hydrogenating amination, for example CC -Double or triple bonds. If multivalent aldehydes or keto aldehydes are to be aminated, then it is possible to obtain control of the reaction conditions in hand, amino alcohols, cyclic amines or multiply aminated products.
  • aldehydes are preferably hydrogenated aminatively:
  • both ammonia and primary or secondary, aliphatic or cycloaliphatic or aromatic amines can be used.
  • ammonia the aminating agent
  • the alcoholic hydroxyl group or the aldehyde group or the keto group is first converted into the primary amino groups (-NH 2).
  • the primary amine formed in this way can react with further alcohol or aldehyde or ketone to form the corresponding secondary amine, which in turn reacts with further alcohol or aldehyde or ketone to form the corresponding, preferably symmetrical, tertiary amine.
  • cyclic amines such as e.g. Pyrrolidines, piperidines, hexamethylenimines, piperazines and morpholines.
  • primary or secondary amines can be used as aminating agents.
  • aminating agents are preferably used for the preparation of unsymmetrically substituted di- or trialkylamines, such as ethyldiisopropylamine and ethyldicyclohexylamine.
  • di- or trialkylamines such as ethyldiisopropylamine and ethyldicyclohexylamine.
  • mono- and dialkylamines are used as aminating agents: monomethylamine, dimethylamine, monoethylamine, diethylamine, n-propylamine, di-n-propylamine, isopropylamine, diisopropylamine, isopropylethylamine, n-butylamine, di-n-propylamine.
  • Amines particularly preferably prepared by the process according to the invention are, for example, morpholine (from monoaminodiglycol), monoaminodiglycol, morpholine and / or 2, 2'-dimorpholinodiethyl ether (DMDEE) (from DEG and ammonia), 6-dimethylaminohexanol-1 (from hexanediol and dimethylamine ( DMA)), triethylamine ((from ethanol and diethylamine DEA)), dimethylethylamine (from ethanol and DMA), N- (Ci -4 - alkyl) morpholine (from DEG and mono (Ci-4-alkyl) amine), N- (C 1-4 -alkyl) piperidine (from 1,5-pentanediol and mono (C 1-4 -alkyl) amine), piperazine and / or diethylenetriamine (DETA) (from N- (2-aminoethyl) ethanol
  • MMIPA -Methyl-N-isopropylamine
  • n-propylamines such as mono- / di-n-propylamine, N, N-dimethyl-n-propylamine (DMPA)) (from propionaldehyde and / or n-propanol and NH 3 or DMA)
  • DMIPA N-dimethyl-N-isopropylamine
  • DMIPA N-dimethyl-N-butylamine (1, 2 or isobutanol and / or butanal, i-butanal or butanone and DMA)
  • 2- (2-di (C 1-4 -alkyl) aminoethoxy) ethanol and / or bis (2-di (C 1-4 -alkyl) aminoethyl) ether from DEG and di (Ci-4-alkyl) amine
  • the polyether alcohols are, for example, polyethylene glycols or polypropylene glycols having a molecular weight in the range from 200 to 5000 g / mol, the corresponding polyetheramines being obtainable, for example, under the trade name PEA D230, D400, D2000, T403 or T5000 from BASF.
  • the thus obtained hydroxide-carbonate mixture was then tempered at a temperature of 450 to 500 0 C over a period of 4 hours.
  • the catalyst thus prepared had the composition: 28% by weight of NiO, 28% by weight of CoO, 11% by weight of CuO, and 33% by weight of ZrO 2 .
  • the catalyst was mixed with 3% by weight of graphite and formed into tablets.
  • the oxidic tablets were reduced.
  • the reduction was carried out at 280 0 C, with a heating rate of 3 ° C / minute. First, 50 minutes with 10% H 2 in N 2 , then 20 minutes with 25% H 2 in N 2 , then 10 minutes with 50% H 2 in N 2 , then 10 minutes with 75% H 2 in N 2 and finally 3 hours with 100% H 2 .
  • the percentages are% by volume.
  • the passivation of the reduced catalyst was carried out at room temperature in dilute air (air in N 2 with an O 2 content of not more than 5% by volume).
  • the catalyst was prepared analogously to catalyst 1. However, the amount of nickel nitrate and cobalt nitrate was changed accordingly.
  • the catalyst 2 thus obtained had the composition as shown in Table I.
  • the catalysts were prepared analogously to catalyst 1. However, the amount of nickel nitrate and cobalt nitrate was changed accordingly.
  • the catalysts 3 and 4 thus obtained had the composition as shown in Table I.
  • the respective pure products can be obtained from the hydrous raw materials by rectification under vacuum, atmospheric pressure or elevated pressure according to the known methods.
  • the pure products fall either directly in pure form or as an azeotrope with water.
  • Water-containing azeotropes can be dehydrated by means of a liquid-liquid extraction with concentrated sodium hydroxide solution before or after the purifying distillation. Distillative dehydration in the presence of an entraining agent by known methods is also possible.
  • a dehydration by a separation of the organic and the aqueous phase by known methods is also possible.

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Abstract

L'invention concerne un procédé de fabrication d'une amine par réaction d'un alcool, d'un aldéhyde et/ou d'une cétone primaires ou secondaires avec de l'hydrogène et un composé azote choisi dans le groupe ammoniaque et amines primaires et secondaires, en présence d'un catalyseur contenant du dioxyde de zircon, du cuivre et du nickel. Avant réduction avec de l'hydrogène, la masse catalytique active du catalyseur contient des composés oxygénés de zircon, de cuivre, et de nickel, et environ 1,5 à 4,9 % en poids de composés oxygénés de cobalt, calculé en tant que CoO. L'invention concerne également les catalyseurs tels que définis plus haut.
PCT/EP2008/067195 2007-12-21 2008-12-10 Procédé de fabrication d'une amine WO2009080515A1 (fr)

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EP07150396.5 2007-12-21
EP07150396 2007-12-21
EP08166370 2008-10-10
EP08166370.0 2008-10-10

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8318982B2 (en) 2009-12-03 2012-11-27 Basf Se Catalyst and process for preparing an amine
US8466323B2 (en) 2008-12-19 2013-06-18 Basf Se Process for preparing pure triethanolamine (TEOA)
US8487135B2 (en) 2009-12-03 2013-07-16 Basf Se Catalyst and process for preparing an amine
US8614356B2 (en) 2008-12-29 2013-12-24 Basf Se Method for producing toluylenediamine by hydrogenating dinitrotoluene
US8642810B2 (en) 2009-07-10 2014-02-04 Basf Se Method for the direct amination of hydrocarbons into amino hydrocarbons, including electrochemical separation of hydrogen and electrochemical reaction of the hydrogen into water
US9061961B2 (en) 2009-07-10 2015-06-23 Basf Se Method for direct amination of hydrocarbons to form amino hydrocarbons with the electrochemical separation of hydrocarbon
CN108003041A (zh) * 2016-10-28 2018-05-08 中国石油化工股份有限公司 一种分离聚醚醇和聚醚胺的方法
CN108014821A (zh) * 2017-12-01 2018-05-11 万华化学集团股份有限公司 一种用于合成聚醚胺的催化剂及其制备方法和应用
CN108084034A (zh) * 2017-12-12 2018-05-29 陕西延长石油（集团）有限责任公司 一种乙二醇在超临界氨状态下进行氢化胺化反应的方法
CN109622006A (zh) * 2018-11-30 2019-04-16 中国科学院山西煤炭化学研究所 一种含氨合成气制低级脂肪胺催化剂及其制备方法
CN112661602A (zh) * 2019-10-16 2021-04-16 中国石油化工股份有限公司 基于铜系催化剂的环戊醇的制备方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0382049A1 (fr) * 1989-02-04 1990-08-16 BASF Aktiengesellschaft Catalyseur et procédé pour l'hydroamination d'alcools
EP0514692A2 (fr) * 1991-05-18 1992-11-25 BASF Aktiengesellschaft Procédé pour la préparation d'amines
EP0839575A2 (fr) * 1996-10-31 1998-05-06 Basf Aktiengesellschaft Catalyseurs pour l'amination d'oxydes d'alkylène, alcools, aldéhydes et cétones
EP0963975A1 (fr) * 1998-06-12 1999-12-15 Basf Aktiengesellschaft Procédé de préparation d'amines
EP1035106A1 (fr) * 1999-03-12 2000-09-13 Basf Aktiengesellschaft Procédé pour la préparation d'amines

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0382049A1 (fr) * 1989-02-04 1990-08-16 BASF Aktiengesellschaft Catalyseur et procédé pour l'hydroamination d'alcools
EP0514692A2 (fr) * 1991-05-18 1992-11-25 BASF Aktiengesellschaft Procédé pour la préparation d'amines
EP0839575A2 (fr) * 1996-10-31 1998-05-06 Basf Aktiengesellschaft Catalyseurs pour l'amination d'oxydes d'alkylène, alcools, aldéhydes et cétones
EP0963975A1 (fr) * 1998-06-12 1999-12-15 Basf Aktiengesellschaft Procédé de préparation d'amines
EP1035106A1 (fr) * 1999-03-12 2000-09-13 Basf Aktiengesellschaft Procédé pour la préparation d'amines

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8466323B2 (en) 2008-12-19 2013-06-18 Basf Se Process for preparing pure triethanolamine (TEOA)
USRE45240E1 (en) 2008-12-19 2014-11-11 Basf Se Process for preparing pure triethanolamine (TEOA)
US8614356B2 (en) 2008-12-29 2013-12-24 Basf Se Method for producing toluylenediamine by hydrogenating dinitrotoluene
US8642810B2 (en) 2009-07-10 2014-02-04 Basf Se Method for the direct amination of hydrocarbons into amino hydrocarbons, including electrochemical separation of hydrogen and electrochemical reaction of the hydrogen into water
US9061961B2 (en) 2009-07-10 2015-06-23 Basf Se Method for direct amination of hydrocarbons to form amino hydrocarbons with the electrochemical separation of hydrocarbon
US8318982B2 (en) 2009-12-03 2012-11-27 Basf Se Catalyst and process for preparing an amine
US8487135B2 (en) 2009-12-03 2013-07-16 Basf Se Catalyst and process for preparing an amine
CN108003041A (zh) * 2016-10-28 2018-05-08 中国石油化工股份有限公司 一种分离聚醚醇和聚醚胺的方法
CN108014821A (zh) * 2017-12-01 2018-05-11 万华化学集团股份有限公司 一种用于合成聚醚胺的催化剂及其制备方法和应用
CN108014821B (zh) * 2017-12-01 2020-09-08 万华化学集团股份有限公司 一种用于合成聚醚胺的催化剂及其制备方法和应用
CN108084034A (zh) * 2017-12-12 2018-05-29 陕西延长石油（集团）有限责任公司 一种乙二醇在超临界氨状态下进行氢化胺化反应的方法
CN108084034B (zh) * 2017-12-12 2021-02-02 陕西延长石油（集团）有限责任公司 一种乙二醇在超临界氨状态下进行氢化胺化反应的方法
CN109622006A (zh) * 2018-11-30 2019-04-16 中国科学院山西煤炭化学研究所 一种含氨合成气制低级脂肪胺催化剂及其制备方法
CN109622006B (zh) * 2018-11-30 2021-11-12 中国科学院山西煤炭化学研究所 一种含氨合成气制低级脂肪胺催化剂及其制备方法
CN112661602A (zh) * 2019-10-16 2021-04-16 中国石油化工股份有限公司 基于铜系催化剂的环戊醇的制备方法
CN112661602B (zh) * 2019-10-16 2024-04-23 中国石油化工股份有限公司 基于铜系催化剂的环戊醇的制备方法

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