Patent application number | Description | Published |
20080287698 | Ferrocenyl Ligands For Homogeneous, Enantioselective Hydrogenation Catalysts - Compounds of the formula (I) or (I′), where R | 11-20-2008 |
20090043132 | Process for Preparing a Substituted Dimethyl-(3-arylbutyl)amine Compound by Homogeneous Catalysis - Compounds of the formula II | 02-12-2009 |
20090088576 | Process for the Stereoselective Preparation of Alcohols From Alpha, Beta-Insaturated Compounds - A process for the synthesis of an alcohol of formula (I), using as intermediate a compound of formula (V). | 04-02-2009 |
20090105481 | Asymmetric Catalytic Hydrogenation of Prochiral Ketones and Aldehydes - Process for stereoselective hydrogenation by reacting racemic aldehydes or ketones having a stereogenic carbon atom in the position relative to the C(O) group and containing the structural element —(O)C—C—CH— by means of hydrogen in the presence of a base and a ruthenium complex containing a bidentate ligand having coordinating P and N atoms, a monophosphine ligand and anionic and/or uncharged ligands as homogeneous catalyst, with the charge being balanced by one or two monovalent acid anions or a divalent acid anion when uncharged ligands are present. | 04-23-2009 |
20090124812 | Ferrocenediphosphines - Compounds of the formula I in the form of enantiomerically pure diastereomers or a mixture of diastereomers, (I), where the radicals R | 05-14-2009 |
20090156851 | Ferrocene-Diphosphine Ligands - Compounds of the formula (I) in the form of racemates, mixtures of stereoisomers or optically pure stereoisomers, formula (I), where X | 06-18-2009 |
20090171114 | Chiral Ligands Used in Transition Metal Catysts for Asymmetric Addition Reactions Especially Hydrogenation - Ligands of the formula (I) secondary phosphine-Q-P(═O)HR | 07-02-2009 |
20090275761 | Catalytic Preparation of Cyclic Carboxylic Esters - Preparation of cyclic esters by hydrogenation of a carbonyl group in at least one anhydride radical —C(O)—O—C(O)— of a cyclic dicarboxylic or polycarboxylic anhydride by means of hydrogen in the presence of a homogeneous noble metal catalyst, characterized in that the hydrogenation is carried out in a homogeneous reaction mixture using an iridium catalyst. The cyclic esters are obtained in good chemical and optical yields when prochiral anhydrides are used together with chiral iridium catalysts. | 11-05-2009 |
20100029967 | Diphosphine ligands - Compounds of the formulae I and Ia in the form of mixtures of diastereomers or pure diastereomers, (I), (Ia), where R | 02-04-2010 |
20100305325 | PROCESS FOR THE PREPARATION OF AN ENANTIOMERIC TRISUBSTITUTED 3,4-DIHYDRO-ISOQUINOLINE DERIVATIVE - The present invention relates to a process for the preparation of the compound of formula (7) which process comprises the hydrogenation of the compound of formula (4) using bis[chloro-1,5-cyclooctadiene-iridium], (S)-i-dicyclohexylphosphino-2-[(S)-α-(dimethylamino)-2-(dicyclohexylphosphino)benzyl]-ferrocene as a catalyst. | 12-02-2010 |
20110098485 | BIDENTATE SECONDARY PHOSPHINE OXIDE CHIRAL LIGANDS FOR USE IN ASYMMETRIC ADDITION REACTIONS - Compounds of the formula I, in the form of mixtures comprising predominantly one enantiomer or in the form of pure enantiomers, secondary phosphine-Q-P*(═O)HR | 04-28-2011 |
20110118482 | BIDENTATE CHIRAL LIGANDS FOR USE IN CATALYTIC ASYMMETRIC ADDITION REACTIONS - Compounds of the formula (I), in the form of mixtures comprising predominantly one diastereomer or in the form of pure diastereomers, Z | 05-19-2011 |
20130267714 | BIDENTATE CHIRAL LIGANDS FOR USE IN CATALYTIC ASYMMETRIC ADDITION REACTIONS - Compounds of the formula (I) in the form of a mixture of predominantly one diastereomer or in the form of pure diastereomers, | 10-10-2013 |