Basf Aktiengesellschaft

Basf Se Corporation

Michael Röper

Rocco Paciello

Heinz-Josef Kneuper

Michael Slany

Martin Schäfer

Wolfgang Ahlers

Edgar Zeller

Rolf Hartmuth Fischer

Markus Schubert

Werner Schnurr

Marc Walter

Heiko Maas

Andreas Brodhagen

Thomas Hill

Jürgen Tropsch

Thomas Mackewitz

Franz Merger

Rolf Pinkos

Klaus Ebel

Gerd Kaibel

Konrad Knoll

Peter Bassler

Wolfgang Harder

Peter Zehner

Rolf-Hartmuth Fischer

Hartwig Voss

Thomas Krug

Jens Scheidel

Michael Schulz

Oliver Bey

Rainer Papp

Tilman Sirch

Frank Haese

Christoph Adami

Wolfgang Richter

Ralf Schulz

Andrea Haunert

Roland Krokoszinski

Hartwig Voβ

Marcus Sigl

Jürgen Stephan

Jurgen Kanand

Frank Poplow

Bernhard Geissler

Alfred Thome

Xavier Sava

Ernst Langguth

Wolfram Stüer

Jörn Karl

Bernhard Schlarb

Heinrich-Josef Blankertz

Martin Volland

Phillip Hanefeld

Armin Volker Grenacher

Peter Hofmann

Michael Nilles

Gunther Achhammer

Peter M Lorz

Peter Baβler

Hans-Michael Walter

Hartmann F Leube

Klaus Diehl

Oliver Löber

Hans-Ulrich Jäger

Ingo Krossing

Maik Aron

Willi Schönmann

Frank-Michael Korgitzsch

Volker Böhm

Daniel C M Warth

Günther Grimm

A C4-olefin mixture having a 1,3-butadiene content of from 100 to 500 ppm and a content of 1,2-dienes of less than 10 ppm is described. The present invention further provides a process for preparing this C4-olefin mixture and provides for its use in a metathesis reaction for preparing 2-pentene and/or 3-hexene.

Process for preparing a C4-olefin mixture by selective hydrogenation and metathesis process for using this stream

A process for continuously preparing a compound which bears at least two functional groups which are each independently selected from the group consisting of nitrile group, carboxylic acid group, carboxylic ester group and carboxamide group.

Method for the continuous production of a compound that carries at least two functional groups

The invention relates to a method for producing dialdehydes and/or ethylenically unsaturated monoaldehydes by reacting at least one compound with at least two ethylenically unsaturated double bonds with carbon monoxide and hydrogen in the presence of a hydroformylating catalyst with at least one complex of a metal of subgroup VIII. The subgroup comprises at least pnicogen chelate ligands.

Method for producing dialdehydes and or ethylenically unsaturated monoaldehydes by hydroformylating ethylenically unsaturated compounds

A compound of formula (I) suitable as a catalyst or for the preparation of a catalyst system:L-X-L&#x2003;&#x2003;(I)is provided, in which X is a lower alkylene group, an arylene group or an alkarylene group; Lis in which Yis oxygen, sulfur or N&#x2014;R, R, R, R, R, R, Rand Rindependently of one another being hydrogen, alkyl or aryl; and Lis in which Yis oxygen, sulfur or N&#x2014;R, R, R, R, R, R, Rand Rindependently of one another being hydrogen, alkyl or aryl, it being possible for Land Lto be identical or different.

Compound suitable for use as a catalyst or for producing a catalyst system derived from a bis-phosphorinane

A system comprising a diphosphine of the formulaR&#x3e;P&#x2014;(CH)&#x2014;PRRwhereRis a divalent radical which together with the phosphorus atom to which it is linked forms an unsubstituted or substituted 2-phosphatricyclo[3.3.1.1{3,7}]decyl group or a derivative thereof in which one or more of the carbon atoms are replaced by heteroatoms,R, Rare each, independently of one another, a monovalent radical having from 1 to 20 atoms or together form a divalent radical having from 2 to 20 atoms,n is 4 or 5,and a mixture of such diphosphines,and palladium or a palladium compound is suitable as carbonylation catalyst for the carbonylation of a conjugated diene.

Diphosphine

The present invention provides a process for preparing 1,6-hexanediol having a purity of &#x2267;99.5% by weight by catalytically dimerizing acrylic esters and catalytically hydrogenating the hexenedioic diesters obtained in this way to 1,6-hexanediol by

Preparation of 1,6-hexanediol

The invention relates to a process for the preparation of methyl formate by reacting methanol with carbon monoxide at a pressure of from 0.5 to 10 MPa abs. and a temperature of from 50 to 150&#xb0; C. in the presence of a metal alkoxide as catalyst in a reactor, in which a gas stream is withdrawn from the reactor, entrained methyl formate is removed from this gas stream by condensation, and all or some of the remaining gas stream is returned to the reactor as circulating-gas stream and a mean gas superficial velocity of from 1 to 20 cm/s is set in at least one region of the reactor in which the gas flows essentially in one direction.

Method for producing methyl formate

The invention relates to phosphacyclohexanes of general formulae I and II, wherein the following designations, among others, apply: R can represent hydrogen, C-alkyl, C-aralkyl, C-alkaryl, and C-aryl: Rto Rcan independently represent hydrogen, C-alkyl, C-aralkyl, C-alkaryl, and C-aryl: W, W' can independently represent single bonds or bridges comprising 1 to 20 carbon atoms, which can form part of a cyclic or aromatic group and can be interrupted by heteroatoms. Said phosphacyclohexanes are used as ligands in transition metal complexes of transition metals belonging to groups VIII to X of the periodic table.

Phosphacyclohexanes and the use thereof in the hydroformylation of olefins

Novel compounds of phosphorus, of arsenic and of antimony can be used as ligands to form complexes of metals of transition group VIII which can be used in catalysts for hydroformylation, hydrocyanation, carbonylation, hydrogenations, oligomerization and polymerization of olefins and for metathesis.

Phosphor, arsenic and antimony compounds based upon diaryl-anellated bicyclo[2.2.n] parent substances and catalysts containing same

A process for preparing a C-alcohol mixture comprises The alcohol mixture is suitable for preparing surfactants by alkoxylation, glycosidation, sulfation, phosphation, alkoxylation and subsequent sulfation or alkoxylation and subsequent phosphation.

C13 alcohol mixture and functionalised C13 alcohol mixture

The invention relates to a catalyst system for carbonylating olefinically or acetylenically unsaturated compounds with carbon monoxide and a nucleophile compound, containing (a) palladium; (b) a phosphine and (c) a polymer containing nitrogen which is soluble in the reaction mixture, with the exception of polyvinyl polymers with aromatic radicals containing nitrogen on the polymer chain. The invention also relates to a method for carbonylation in the presence of one such catalyst system.

Catalyst system and method for carbonylation

The invention describes a process for the preparation of surfactant alcohols and surfactant alcohol ethers which are, inter alia, highly suitable as surfactants or for the preparation of surfactants. The process, starting from olefin mixtures having a defined minimum content of linear hexenes, gives mixtures having a predominant fraction of branched dodecenes, which are subsequently derivatized to give surfactant alcohols and then optionally alkoxylated. The surfactant alcohol mixture obtained in the process has a degree of branching of from 2.0 to 3.0 and in particular exhibits advantageous properties as regards ecotoxicity and biodegradability. A description is also given of the use of the surfactant alcohols and surfactant alcohol ethers as surfactants by glycosidation or polyglycosidation, sulfation or phosphation.

Method for producing alcohol surfactants and alcohol ether surfactants, the products obtained and their use

A process is described for preparing acid formates in which methyl formate is reacted with water and a basic compound having a pKof the conjugate acid of the corresponding dissociation state of &#x2267;3 measured at 25&#xb0; C. in aqueous solution, the methanol formed is separated off and, optionally, the desired acid content is set by adding formic acid.

Preparation for production of formic acid formates

A catalyst comprising at least one complex of a metal of transition group VIII comprising at least one monodentate, bidentate or multidentate phosphinamidite ligand in which the phosphorus atom and the oxygen atom of the phosphinamidite group form part of a 5- to 8-membered heterocycle can be used for the hydroformylation and hydrocyanation of compounds containing at least one ethylenically unsaturated double bond. The phosphinamidite ligand is, for example, represented by the following formulaewhereinrepresents an optionally substituted 5- to 8-membered heterocycle wherein A represents carbon ring members;represents an optionally substituted N-bonded heterocycle wherein (Het) indicates optional ring heteroatoms in addition to the N; and

Catalyst comprising a metal complex of the VIII subgroup based on a phosphine amidite ligand and its utilization for hydroformylation and hydrocyanation

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Wachenheim, Germany

Michael Röper