Class / Patent application number | Description | Number of patent applications / Date published |
556018000 | Plural phosphori bonded directly to the same carbon or attached to each other by an acyclic chain which chain consists of carbons or of carbons and chalcogens | 11 |
20090124820 | C1-Symmetric Bisphospine Ligands and Their Use in the Asymmetric Synthesis of Pregabalin - Materials and Methods for preparing (S)-(+)-3-(aminomethyl)-5-methyl-hexanoic acid and structurally related compounds via enantioselective hydrogenation of prochiral olefins are disclosed. The methods employ novel chiral catalysts, which include C | 05-14-2009 |
20090156850 | PHOSPHINE TRANSITION METAL COMPLEX, METHOD FOR PRODUCING THE SAME, AND ANTITUMOR AGENT CONTAINING THE SAME - A phosphine transition metal complex is expressed by general formula (1): | 06-18-2009 |
20100168456 | CHIRAL PHOSPHOROUS COMPOUNDS - The present invention provides P-chiral compounds of general formulae (II) and (III): in formula (II) at least one of R | 07-01-2010 |
20110034714 | METAL COMPLEX COMPOUND, CANCER THERAPEUTIC AGENT COMPOSITION CONTAINING THE METAL COMPLEX COMPOUND AS AN ACTIVE INGREDIENT, AND INTERMEDIATE FOR THE METAL COMPLEX COMPOUND - A metal complex compound which exhibits a high degree of adsorption to bone or inhibition of cell growth, and is highly effective for therapy of a cancer metastasized to bone and therapy of the primary carcinoma thereof; a therapeutic agent composition for a cancer containing as an active ingredient the metal complex compound or a physiologically acceptable salt thereof; and an intermediate for the metal complex compound are provided. More concretely, a metal complex compound represented by the following General Formula (1): | 02-10-2011 |
20110190523 | HYDROGENATION OF ESTERS OR CARBONYL GROUPS WITH PHOSPHINO-OXIDE BASED RUTHENIUM COMPLEXES - The present invention relates to the field of catalytic hydrogenation and, more particularly, to the use of specific ruthenium catalysts or pre-catalysts in hydrogenation processes for the reduction of ketones, aldehydes, esters or lactones into their corresponding alcohols or diols respectively. The preferred catalysts are ruthenium complexes comprising a ligand of the type (N—N) type and a ligand of the type (P—PO). | 08-04-2011 |
20120046481 | METHOD FOR RECOVERY AND RECYCLE OF RUTHENIUM HOMOGENEOUS CATALYSTS - Disclosed is a process for the extractive recovery of a homogeneous ruthenium catalyst from the reaction product of the hydrogenation of glycolic acid, glycolate esters, and/or glycolic acid oligomers with an extractant comprising a hydrophobic solvent and an optional hydrophilic solvent. The ruthenium catalyst, which can include 1,1,1-tris(diaryl- or dialkylphosphinomethyl)alkane ligands, can be recovered from the hydrophobic extract phase by back extraction with a hydrophilic solvent and recycled to a process for the preparation of ethylene glycol by the hydrogenation of glycolic acid and glycolic acid derivatives. | 02-23-2012 |
20120277455 | NOVEL CHIRAL PHOSPHORUS LIGANDS - The invention relates to a series of novel chiral phosphorus ligands of formulae (Ia) and (Ib): wherein R, 1-rR>4 and X are as defined herein. The invention also relates to chiral metal complexes prepared with these chiral phosphorus ligands. The chiral metal complexes are useful as catalysts for carrying out asymmetric hydro genation. | 11-01-2012 |
20130123526 | PROCESS FOR PREPARING FORMIC ACID BY REACTION OF CARBON DIOXIDE WITH HYDROGEN - The invention relates to a process for preparing formic acid by reaction of carbon dioxide with hydrogen in a hydrogenation reactor in the presence of a transition metal complex as a catalyst comprising at least one element from group 8, 9 or 10 of the Periodic Table and at least one phosphine ligand with at least one organic radical having at least 13 carbon atoms, of a tertiary amine and of a polar solvent to form a formic acid-amine, adduct, which is subsequently dissociated thermally to formic acid and the corresponding tertiary amine. on unit. | 05-16-2013 |
20140364638 | EXTRACTION SOLVENT CONTROL FOR REDUCING STABLE EMULSIONS - Disclosed herein are methods for recovering diphosphite-containing compounds from mixtures comprising organic mononitriles and organic dinitriles, using liquid-liquid extraction. Also disclosed are treatments to enhance extractability of the diphosphite-containing compounds. | 12-11-2014 |
20150051416 | RHODIUM CATALYST AND METHOD FOR PRODUCING AMINE COMPOUND - [Problem] Provision of a superior rhodium catalyst and a production method of amine compound. | 02-19-2015 |
20160039853 | SELECTIVE HYDROGENATION OF ALDEHYDES WITH RU/BIDENTATE LIGANDS COMPLEXES - The present invention relates to processes for the reduction by hydrogenation, using molecular H | 02-11-2016 |