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Renat Kadyrov

Renat Kadyrov, Frankfurt DE

Patent application numberDescriptionPublished
20080200695Unsymmetrically Substituted Phospholane 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-catalysed 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.08-21-2008
20080275247SULPHUR-CONTAINING METATHESIS CATALYSTS - The present invention relates to novel transition metal complexes of the formula (I)11-06-2008
20080287713Halophospholanes And Their Preparation - 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.11-20-2008
20080306264Cycloolefin Phosphine Ligands and Their Use in Catalysis - 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.12-11-2008
20090036713PROCESS FOR THE HYDROGENATION OF IMINES - The present invention relates to a process for the hydrogenation of imines with hydrogen in the presence of iridium catalysts. In particular the present invention relates to a process for the hydrogenation of imines with hydrogen under elevated pressure in the presence of an iridium catalysts and with or without an inert solvent, wherein the reaction mixture comprises a phosphonium chloride, bromide or iodide in the presence or in the absence of an acid, which can be an organic or inorganic acid, soluble or insoluble in the reaction mixture. Suitable imines are especially those that contain at least one (Formula I) group. If the groups are substituted asymmetrically and are thus compounds having a prochiral ketimine group, it is possible in the process according to the invention for mixtures of optical isomers or pure optical isomers to be formed if enantioselective or diastereoselective iridium catalysts are used.02-05-2009
20090253907CYCLOPENTADIENYL, INDENYL OR FLUORENYL SUBSTITUTED PHOSPHINE COMPOUNDS AND THEIR USE IN CATALYTIC REACTIONS - A phosphine compound represented by general formula (1)10-08-2009
20110040099METHOD FOR MANUFACTURING RUTHENIUM CARBENE COMPLEXES - 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.02-17-2011
20110166360Catalytic Process for Asymmetric Hydrogenation - A process for preparing the S or R enantiomer of a compound of formula A,07-07-2011

Patent applications by Renat Kadyrov, Frankfurt DE

Renat Kadyrov, Hanau DE

Patent application numberDescriptionPublished
20100173892Enantioselective synthesis of 6-amino-7-hydroxy-4,5,6,7-tetrahydro-imidazo[4,5,1-JK][1]-benzazepin-2[1H- ]-one and zilpaterol - This invention relates to a process for the hydrogenation of a ketooxime to selectively form an aminoalcohol stereoisomer, and, in particular, to a process for the hydrogenation of 4,5-dihydro-imidazo[4,5,1-jk][1]benzazepin-2,6,7[1H]-trione-6-oxime or a salt thereof to selectively form a stereoisomer of 6-amino-7-hydroxy-4,5,6, 7-tetrahydro-imidazo[4,5,1-jk][1]-benzazepin-2[1H]-one or a salt thereof. This invention also relates to the use of the 6-amino-7-hydroxy-4,5,6,7-tetrahydro-imidazo[4,5,1-jk][1]-benzazepin-2[1H]-one hydrogenation product or a salt thereof to selectively make a stereoisomer of zilpaterol or a salt thereof, as well as the use of such a zilpaterol stereoisomer or salt in methods of treatment and medicaments for animals.07-08-2010