Evonik Degussa Gmbh

Degussa Aktiengesellschaft

Evonik Operations Gmbh

Oxeno Olefinchemie Gmbh

Degussa Gmbh

Aurora Fine Chemicals LLC

Renat Kadyrov

Thomas Riermeier

Axel Monsees

Armin Boerner

Uwe Dingerdissen

Jens Holz

Juan Jose Almena Perea

Juan Almena

Karlheinz Drauz

Matthias Beller

Dieter Hess

Klaus-Diether Wiese

Detlef Selent

Cornelia Borgmann

Paul Knochel

Armin Börner

Christoph Fleckenstein

Dorit Wolf

Herbert Plenio

Vitali Tararov

Arne Reinsdorf

Carsten A Schneider

Matthias Lotz

Sarah Chamski

Kai Rossen

Dirk Roettger

Helfried Neumann

Alexander Zapf

Karol Grela

Michal Barbasiewicz

Armin B&ouml;rner

Dirk R&ouml;ttger

Anna Rosiak

Anna Szadkowska

Karl-Josef Haack

Anna Christoffers

Juan José Almena Perea

Christa Dumrath

Ilias Ilaldinov

Andreas Dumrath

Wolf-Ruediger Krahnert

Stephanie Klein

Stefan Klaus

Alexander Kutyrev

Tom Newman

Odalys Esperanza Zayas Vargas

The present invention relates to catalytically active material, comprising grains of non-graphitizing carbon with cobalt nanoparticles dispersed therein, wherein d, the average diameter of cobalt nanoparticles in the non-graphitizing carbon grains, is in the range of 1 nm to 20 nm, D, the average distance between cobalt nanoparticles in the non-graphitizing carbon grains, is in the range of 2 nm to 150 nm, and ω, the combined total mass fraction of metal in the non-graphitizing carbon grains, is in the range of 30 wt % to 70 wt % of the total mass of the non-graphitizing carbon grains, and wherein d, D and ω conform to the following relation: 4.5 d/ω≥D≥0.25 d/ω. The present invention, further, relates to a process for the manufacture of material according to the invention, as well as its use as a catalyst.

Materials comprising carbon-embedded cobalt nanoparticles, processes for their manufacture, and use as heterogeneous catalysts

The present invention relates to catalytically active material, comprising grains of non-graphitizing carbon with iron nanoparticles dispersed therein, wherein d, the average diameter of iron nanoparticles in the non-graphitizing carbon grains, is in the range of 1 nm to 20 nm, D, the average distance between iron nanoparticles in the non-graphitizing carbon grains, is in the range of 2 nm to 150 nm, and ω, the combined total mass fraction of metal in the non-graphitizing carbon grains, is in the range of 30 wt % to 70 wt % of the total mass of the non-graphitizing carbon grains, and wherein d, D and ω conform to the following relation: 4.5 d/ω>D≥0.25 d/ω. The present invention, further, relates to a process for the manufacture of material according to the invention, as well as its use as a catalyst.

Materials comprising carbon-embedded iron nanoparticles, processes for their manufacture, and use as heterogeneous catalysts

The novel water-soluble salts of cannabinoids with increased bioavailability, their preparation and uses.

Water-soluble salts of cannabinoids, preparation and uses thereof

The present invention relates to a process for the N-alkylation of amines by reacting an amine with an orthocarboxylic acid ester and with hydrogen in the presence of a hydrogenation catalyst.

Reductive alkylation of amines with orthocarboxylic acid esters

The present invention relates to a process for the preparation of amines, comprising the following steps: Reaction of a (i) amide acetal of the general formula (I), or (ii) ketene N,O-acetal of the general formula (II), or (iii) ester imide of the general formula (III) with Hin the presence of a hydrogenation catalyst, where catalyst and amide acetal or ketene N,O-acetal or ester imide are used in a molar ratio of from 1:10 to 1:100 000 and where a hydrogen pressure of from 0.1 bar to 200 bar is established and where a temperature in the range of from 0&#xb0; C. to 250&#xb0; C. is established.

Catalytic hydrogenation for the preparation of amines from amide acetals, ketene N, O-acetals or ester imides

The present invention relates to a process for the preparation of amines, comprising the following steps: a. reaction of a (i) carboxylic acid amide of the general formula (I), or (ii) carboxylic acid diamide of the general formula (II), or (iii) di-, tri- or polypeptide, or (iv) peptide amide with carboxy-terminal amide function with an alkylating agent, b. addition of a hydrogenation catalyst to the reaction mixture in a molar ratio of from 1:10 to 1:100 000, based on carboxylic acid amide, carboxylic acid diamide, di-, tri- or polypeptide or peptide amide, c. reaction of the reaction mixture with hydrogen, where a hydrogen pressure of from 0.1 bar to 200 bar is established and where a temperature in a range of from 0&#xb0; C. to 250&#xb0; C. is established.

Catalytic hydrogenation for producing amines from carboxylic acid amides, carboxylic acid diamides, di-, tri-, or polypeptides, or peptide amides

The present invention relates to a process for preparing polymers by means of ring-opening metathetic polymerization, consisting of the following steps:

Process for preparing polymers by means of ring-opening polymerization

The invention is directed to a phosphine compound represented by general formula (1) wherein R' and R&#x2033; independently are selected from alkyl, cycloalkyl and 2-furyl radicals, or R&#x2032; and R&#x2033; are joined together to form with the phosphorous atom a carbon-phosphorous monocycle comprising at least 3 carbon atoms or a carbon-phosphorous bicycle; the alkyl radicals, cycloalkyl radicals, and carbon-phosphorous monocycle being unsubstituted or substituted by at least one radical selected from the group of alkyl, cycloalkyl, aryl, alkoxy, and aryloxy radicals; Cpis a partially substituted or completely substituted cyclopentadien-1-yl group, including substitutions resulting in a fused ring system, and wherein a substitution at the 1-position of the cyclopentadien-1-yl group is mandatory when the cyclopentadien-1-yl group is not part of a fused ring system or is part of an indenyl group. Also claimed is the use of these phosphines as ligands in catalytic reactions and the preparation of these phosphines. 

Cyclopentadienyl, indenyl or fluorenyl substituted phosphine compounds and their use in catalytic reactions

The invention is directed to aryl alkylidene ruthenium complexes and the use of these complexes as catalysts in metathesis reactions.

Method for manufacturing ruthenium carbene complexes

Disclosed herein are phosphine compounds represented by the general formula (4): and corresponding phosphonium salts represented by the general formula (4a): Also disclosed are processes for the preparation of these phosphines and phosphonium salts as well as their use as ligands in catalytic reactions.

A method of manufacturing ruthenium carbene complexes and novel aryl alkylidene ruthenium complexes based on the method, the complexes able to used as catalysts in metathesis reactions.

The present invention relates to novel transition metal complexes of the formula (I) to a process for preparing these transition metal complexes and to the use of the transition metal complexes as catalysts in metathesis reactions.

Sulphur-containing metathesis catalysts

The present invention is based on new ligand systems of the general formula (I). These ligand systems can be used advantageously in transition metal-catalyzed asymmetric syntheses. Likewise encompassed are the transition metal complexes thus prepared, a process for preparing the ligands and the use of the complexes in asymmetric synthesis. 

Unsymmetrically substituted phospholane catalysts

The present invention concerns novel bidentante optionally N-containing P-ligands of general formula (I) embracing a two-ring-system and processes for synthesizing them, transition metal complexes of these compounds and their use as catalysts.

Cycloolefin phosphine ligands and their use in catalysis

The present invention is directed to a process for preparing compounds of the general formula (I). Compounds of the general formula (I) are advantageous precursors for preparing phospholane catalysts, especially bisphospholane catalysts. The invention therefore likewise provides for the use of the substances in question for preparing these catalysts. 

Halophospholanes and their preparation

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Frankfurt-am-Main, Germany

Renat Kadyrov