Basf Se Corporation

Basf Aktiengesellschaft

Jan Kurt Eberhardt

Johann-Peter Melder

Ekkehard Schwab

Thomas Krug

Thilo Hahn

Bram Willem Hoffer

Thomas Hill

Marco Bosch

Wolfgang Mägerlein

Roderich Röttger

Mirko Kreitschmann

Gerd Kaibel

Udo Rheude

Frank Haese

Volkmar Menger

Jörg Pastre

Hartwig Voβ

Mathias Haake

Michael Karcher

Gerhard Fritz

Ulrich Köhler

Manfred Julius

Bernd Stein

Wolfgang Krause

Theodor Weber

Michael Stang

Harald Meiβner

Dominik Herbrecht

Karl-Heínz Roβ

Ernst-Ulrich Würthwein

The present invention relates to a process for reacting glycolaldehyde with an aminating agent in the presence of hydrogen and of a catalyst, the catalyst being activated by reducing a catalyst precursor or by reducing a passivated catalyst, which comprises effecting the reaction in the presence of a solvent and contacting the glycolaldehyde with the activated catalyst.

Reaction of glycolaldehyde with an aminating agent

The present invention relates to a process for preparing ethanolamines by reacting glycolaldehyde with monoethanolamine and/or diethanolamine in the presence of a catalyst.

Method for preparing higher ethanolamines

The present invention relates to a process for preparing 3-dimethylaminopropylamine (DMAPA) by reacting 3-dimethylaminopropionitrile (DMAPN) with hydrogen in the presence of a catalyst, wherein the DMAPN used has a content of 2-(dimethylaminomethyl)glutaronitrile (DGN) of 300 ppm by weight or less, based on the DMAPN used. Furthermore, the present invention relates to mixtures of DMAPN and DGN, wherein the weight ratio of DMAPN to DGN is in the range from 1 000 000:5 to 1 000 000:250.

DMAPN having a low DGN content and a process for preparing DMAPA having a low DGN content

A process continuously hydrogenating unsaturated compounds, in which particles of a first hydrogenation catalyst are suspended in a liquid phase in which an unsaturated compound is dissolved, the liquid phase, in the presence of a hydrogenous gas at a first partial hydrogen pressure and at a first temperature, is conducted through a packed bubble column reactor in cocurrent counter to the direction of gravity, the effluent from the bubble column reactor is sent to a gas-liquid separation, the liquid phase is sent to a crossfiltration to obtain a retentate and a filtrate, the retentate is recycled into the bubble column reactor and the filtrate, in the presence of a hydrogenous gas at a second partial hydrogen pressure and at a second temperature, is passed over a bed of a second hydrogenation catalyst, the second partial hydrogen pressure is at least 10 bar higher than the first partial hydrogen pressure.

Process for continuous hydrogenation or hydrogenating amination

A process for preparing a diamine from a corresponding aminoalkyl nitrile, which is prepared by reaction of a corresponding monoamine with a corresponding alkenyl nitrile in a continuous mode of operation, comprising the steps: a) introduction of the corresponding monoamine into a continuously conveyed reaction stream; b) introduction of the corresponding alkenyl nitrile into the reaction stream, with this already comprising the aminoalkyl nitrile on addition; c) reaction of the reaction stream in a first reaction region; d) at least partial transfer of the reaction stream into at least one second reaction region for further reaction; e) discharge of the reaction stream from the second reaction region after the reaction; f) introduction of the reaction stream discharged in step (a) into a reduction region; and g) reduction of the aminoalkyl nitrile present in the reaction stream to the corresponding diamine.

Process for preparing aminoalkyl nitriles and diamines from such nitriles

A process is described for continuously hydrogenating unsaturated compounds, in which particles of a first hydrogenation catalyst are suspended in a liquid phase in which an unsaturated compound is dissolved, the liquid phase, in the presence of a hydrogenous gas at a first partial hydrogen pressure and at a first temperature, is conducted through a packed bubble column reactor in cocurrent counter to the direction of gravity, the effluent from the bubble column reactor is sent to a gas-liquid separation, the liquid phase is sent to a crossfiltration to obtain a retentate and a filtrate, the retentate is recycled into the bubble column reactor and the filtrate, in the presence of a hydrogenous gas at a second partial hydrogen pressure and at a second temperature, is passed over a bed of a second hydrogenation catalyst, wherein the second partial hydrogen pressure is at least 10 bar higher than the first partial hydrogen pressure.

The present invention relates to a process for preparing an aminoalkyl nitrile by reaction of a corresponding monoamine with a corresponding alkenyl nitrile in a continuous mode of operation, which comprises the steps The invention further relates to a process for preparing a diamine from the aminoalkyl nitrile, suitable apparatuses for carrying out the processes and their corresponding use.

Process for preparing aminoalkylnitriles and diamines from such nitriles

Process for preparing an amine by reacting an aldehyde and/or ketone with hydrogen and a nitrogen compound selected from the group consisting of primary and secondary amines in the presence of a heterogeneous catalyst, wherein the reaction is carried out using a suspended catalyst as heterogeneous catalyst and is carried out in the semibatch mode in which the nitrogen compound as one reactant is placed in the reaction vessel and the aldehyde and/or the ketone as the other reactant is added during the course of the reaction and the aldehyde and/or the ketone is added in portions or continuously to the reaction mixture during the course of the reaction as a function of the achieved conversion of the nitrogen compound until a conversion of the nitrogen compound of at least 95% results, and all or part of the catalyst remains in the reaction vessel after the reaction batch and is reused for the next reaction batch.

Process for the preparation of an amine

A process for preparing an amine by reacting an aldehyde and/or ketone with hydrogen and a nitrogen compound selected from the group of primary and secondary amines in the presence of a heterogeneous catalyst, wherein the catalyst is a coated catalyst which comprises at least one metal of group VIII of the Periodic Table of the Elements as a hydrogenating metal and additionally a promoter on an oxidic support, at least 80% of the metal of group VIII of the Periodic Table of the Elements being present in a layer between the surface of the catalyst and a penetration depth which is not more than 80% of the radius of the catalyst, calculated from the surface of the catalyst.

Process for preparing an amine

The present invention relates to a process for the preparation of saturated nitrites by catalytic hydrogenation of the corresponding olefinically unsaturated compounds in the presence of a supported transition metal catalyst at a pressure of from 1 to 95 bar. Specifically, the invention relates to a process for the preparation of tetrahydrogeranonitrile (3,7-dimethyloctanenitrile) by catalytic hydrogenation of geranonitrile.

Method for producing saturated nitriles

Shaped body comprising an aluminosilicate and aluminum oxide, wherein the shaped body has a molar Al/Si ratio in the range from 10 to 30 and an at least bimodal pore distribution for pores having a diameter of greater than 1 nm, with the volume of the pores of the shaped body having a diameter of greater than 10 nm corresponding to at least 40% of the total pore volume of the shaped body, process for producing it and process for the continuous preparation of methylamines by reaction of methanol and/or dimethyl ether with ammonia in the presence of a heterogeneous catalyst, wherein the abovementioned shaped bodies are used as catalyst.

Shaped body comprising an aluminosilicate and aluminium oxide and process for the continuous preparation of methylamines

A process for the preparation of benzophenonimine (BPI) of the general formula I where Rand Rare C- to C-alkoxy, C- to C-alkylamine and C- to C-dialkylamine and m and n are integers from 0 to 5 and Rand R, independently of one another, may be identical or different, by reacting benzophenone (BP) of the general formula II where R1, R2, m and n have the abovementioned meanings, in ammonia and in the presence of titanium dioxide, the titanium dioxide being present substantially in the anatase modification.

Method of producing benzophenoneimines

A process for producing a shaped body comprising a microporous material and at least one silicon-comprising binder, which comprises the steps

Shaped body comprising a microporous material and at least one silicon-containing binding agent method for production and use thereof as catalyst in particular in a method for continuous synthesis of methylamines

Process for the continuous synthesis of methylamines by reaction of methanol and/or dimethyl ether with ammonia in the presence of a heterogeneous catalyst, wherein the catalyst used is a shaped body which comprises a microporous material and at least one organosilicon compound as binder and can be produced by a process comprising the steps

Process for the continuous synthesis of methylamines

The invention relates to N'-substituted N-acylamidine transition metal complexes of the general formula (I), wherein M represents a transition metal, selected from the group of metals including Ni, Cu, Ru, Rh, Pd, Os, Ir and Pt, X represents Cl, Br, triflate, methane sulfonate or p-toluol sulfonate, m is 0, 1 or 2, n is 1, 2 or 3 and the radicals have the following meanings: R, Ris a straight-chain or branched, cyclic hydrocarbon group with 1 to 20 carbon atoms which can be mono or poly-unsaturated, an aromatic group with 3 to 6 chain members, which is linked directly or via a Cto Calkyl or Cto Calkylene group, whereby the mentioned groups can carry one or more substituents. Ar represents Cto Caryl or hetaryl with 5 to 10 ring members, whereby the mentioned groups can be substituted by Cto Calkyl, Cto Chalogenalkyl, NRR, COOR, Si(R)Si(R)R, ORand/or halogen. The invention also relates to a method for producing this new class of metal transition complexes and their use as catalysts 

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Oldenburg, Germany

Jan Kurt Eberhardt