| Patents for C07B 53 - Asymmetric syntheses (6,231) |
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| 07/18/2000 | US6090969 Process for the preparation of an asymmetric compound using a metal complex |
| 07/18/2000 | US6090837 Substituted hydrochromenopyrroles |
| 07/13/2000 | WO2000040552A1 Amidomalonamides and their use as inhibitors of matrix metalloproteinase |
| 07/13/2000 | WO2000040548A1 Arylalkanoyl derivatives, processes for their preparation, their use and pharmaceutical compositions containing them |
| 07/13/2000 | WO2000040547A1 α-SUBSTITUTION OF UNPROTECTED β-AMINO ESTER COMPOUNDS |
| 07/13/2000 | WO2000040545A1 Novel method for preparing chiral amino acids |
| 07/13/2000 | WO2000040529A1 Colchinol derivatives as vascular damaging agents |
| 07/13/2000 | CA2358116A1 Novel method for preparing chiral amino acids_ |
| 07/13/2000 | CA2356966A1 Amidomalonamides and their use as inhibitors of matrix metalloproteinase |
| 07/13/2000 | CA2355302A1 Colchinol derivatives as vascular damaging agents |
| 07/12/2000 | EP1017650A1 Asymmetric hydrogenation |
| 07/12/2000 | EP0719772B1 Optically active imidazolidinone derivative and process for producing the same |
| 07/11/2000 | US6087526 Process for producing optically active 2-hydroxy-4-arylbutyric acid or its ester |
| 07/06/2000 | WO2000039324A2 Method for producing optically active 1-amino-4-(hydroxymethyl)-cyclopent-2-ene derivatives |
| 07/06/2000 | WO2000039068A1 Method for producing glyoxylic acid esters or the hydrates thereof |
| 07/06/2000 | WO2000021910A3 1,2-disubstituted cyclopropanes |
| 07/06/2000 | CA2353854A1 Process for preparing glyoxylic esters or their hydrates |
| 07/05/2000 | EP1015415A1 Novel stereoselective processes for the preparation of gabapentin analogues |
| 06/29/2000 | WO2000037478A1 Ligands and complexes for enantioselective hydrogenation |
| 06/29/2000 | WO2000037445A1 Alkyl esters of 3-(3,4-dihalogenophenyl)-2,6-dioxopiperidine-3-propionic acid useful as intermediates |
| 06/29/2000 | WO2000037438A1 Novel thio-aminotetralin compounds useful in pain management |
| 06/29/2000 | WO2000037436A1 Sulfonamide hydroxamates |
| 06/29/2000 | WO2000037426A1 Novel oxo-aminotetralin compounds useful in pain management |
| 06/29/2000 | DE19857302A1 Verfahren zur enantioselektiven Reduktion von 3,5-Dioxocarbonsäuren und deren Ester A process for the enantioselective reduction of 3,5-Dioxocarbonsäuren and esters thereof |
| 06/29/2000 | CA2355902A1 Sulfonamide hydroxamates |
| 06/29/2000 | CA2350683A1 Alkyl esters of 3-(3,4-dihalogenophenyl)-2,6-dioxopiperidine-3-propionic acid useful as intermediates |
| 06/28/2000 | EP1013658A1 Aminophosphine-metal complex for asymmetric reactions |
| 06/28/2000 | EP1012131A1 Enantioselective reduction of ketones with a silane agent/metal compound/chiral ligand system |
| 06/28/2000 | CN1053902C Hydrogenation process |
| 06/22/2000 | WO2000036134A1 Method for the enantioselective reduction of 3,5-dioxocarboxylic acids, their salts and their esters |
| 06/22/2000 | WO2000010992A3 Water-dispersible or water-soluble d-tocotrienol compounds and methods for making therefor |
| 06/21/2000 | DE19956374A1 Enantioselective catalytic hydrogenation of unsaturated carboxylic acid derivatives, giving chiral intermediates e.g. for biologically active compounds |
| 06/21/2000 | DE19952348A1 New bisphosphinyl-ferrocene ligand components for new metal complexes useful as catalysts in asymmetric hydrogenations |
| 06/21/2000 | CN1053655C Process for the preparation of an optically pure aminoalcohol |
| 06/08/2000 | WO2000017228A3 Stereoselective process for enalapril |
| 06/07/2000 | CN1255919A Efficient enantioselective addition reaction using organozinc reagent |
| 06/02/2000 | WO2000031064A1 Enantioselective alkylation of tricyclic compounds |
| 06/02/2000 | WO2000031016A1 Process for production of esters |
| 06/02/2000 | WO2000031010A2 Methods for producing chiral aldehydes |
| 06/02/2000 | WO2000031003A1 Process for converting an alcohol to the corresponding fluoride |
| 06/02/2000 | CA2351397A1 Methods for producing chiral aldehydes |
| 05/31/2000 | EP0862549B1 Process for preparing optically active carboxylic acids |
| 05/30/2000 | CA2037007C 2,2'-bis[di-(3,5-dialkylphenyl)phosphino]-1,1'-binaphthyl and transition metal complex containing the same as ligand |
| 05/25/2000 | WO2000029371A1 Excitatory amino acid receptor modulators |
| 05/25/2000 | WO2000029370A1 Industrial process for the production of l-carnitine |
| 05/25/2000 | DE19853748A1 Production of chiral aldehyde by enantioselective hydroformylation, useful e.g. as intermediate for pharmaceuticals, uses transition metal catalyst complex containing phosphine-phosphite ligand |
| 05/25/2000 | CA2350532A1 Excitatory amino acid receptor modulators |
| 05/25/2000 | CA2349536A1 Industrial process for the preparation of l-carnitine |
| 05/24/2000 | EP1002801A1 Chiral diphenyldiphosphines and d-8 metal complexes thereof |
| 05/19/2000 | CA2290009A1 Chiral diphenyldiphosphines and d-8 metal complexes thereof |
| 05/18/2000 | WO2000027855A1 Chiral ligands for asymmetric catalysis |
| 05/18/2000 | WO2000027799A1 New esters derived from substituted phenyl-cyclohexyl compounds |
| 05/18/2000 | WO2000027786A1 Stereoselective process for preparing (cyclo)alkyl phenylglycolic acids |
| 05/18/2000 | WO1999056699A3 Main-group metal-based asymmetric catalysts and applications thereof |
| 05/18/2000 | CA2349245A1 New esters derived from substituted phenyl-cyclohexyl compounds |
| 05/18/2000 | CA2349209A1 Stereoselective process for preparing (cyclo)alkyl phenylglycolic acids |
| 05/18/2000 | CA2347146A1 Chiral ligands for asymmetric catalysis |
| 05/17/2000 | EP1000927A2 Excitatory amino acid receptor modulators |
| 05/16/2000 | US6063955 Method for producing optically active erythro-3-amino-2-hydroxybutyric esters and acids thereof |
| 05/16/2000 | US6063920 Simple, durable catalyst for asymmetric epoxidation of prochiral olefins |
| 05/11/2000 | WO2000026220A1 Diphosphines |
| 05/11/2000 | WO2000006532A3 Process for the preparation of r-(-)-carnitine |
| 05/11/2000 | CA2348595A1 Diphosphines |
| 05/04/2000 | WO2000024919A1 Coenzymes useful for the synthesis of l-carnitine |
| 05/04/2000 | WO2000024510A1 Combinatorial approach to chiral reagents or catalysts having amine or amino alcohol ligands |
| 05/03/2000 | EP0997470A1 Optically active bisphosphinomethanes and their rhodium and copper complexes for catalytic asymmetric syntheses |
| 05/03/2000 | EP0820439B1 Method for the asymmetrical synthesis of s-acylated derivatives of 2-mercaptomethyl 3-phenyl propanoic acid, and use thereof for synthesising n-(mercaptoacyl) amino acid derivatives |
| 05/03/2000 | EP0736031B1 Improvements in or relating to chiral syntheses |
| 05/03/2000 | CN1051991C Preparation of glutaric acid derivatives |
| 05/03/2000 | CN1051990C Method for preparing ring-substituted 2-amino-1,2,3,4-tetra-hydronaphthalenes |
| 04/29/2000 | CA2287713A1 Optically active bisphosphinomethanes and their rhodium and copper complexes for catalytic asymmetric syntheses |
| 04/20/2000 | WO2000021910A2 1,2-disubstituted cyclopropanes |
| 04/20/2000 | CA2347092A1 1,2-disubstituted cyclopropanes |
| 04/12/2000 | EP0992492A1 Small molecule inhibitors of rotamase enzyme activity |
| 04/12/2000 | EP0992481A1 Process for the asymmetric hydrogenation of beta-ketoesters |
| 04/12/2000 | EP0991468A1 Homogeneous oxidation catalysis using metal complexes |
| 04/12/2000 | EP0759917B1 Novel selective inhibitors of viral or bacterial neuraminidases |
| 04/11/2000 | US6049009 Production method of optically active trans-vinylsulfide alcohol |
| 04/06/2000 | WO2000018708A1 Transfer hydrogenation process |
| 04/06/2000 | DE19845517A1 Verfahren zur asymmetrische Hydrierung von beta-Ketoestern A process for the asymmetric hydrogenation of beta-ketoesters |
| 04/05/2000 | EP0850214B1 Separation of optically active amides |
| 04/05/2000 | CN1051087C Process for preparation of diisopinocampheylchloroborane |
| 03/30/2000 | WO2000017228A2 Stereoselective process for enalapril |
| 03/30/2000 | CA2343193A1 Improved stereoselective process for enalapril |
| 03/28/2000 | US6043396 As ligands in metal complexes; use of metal complexes as catalyst for efficient hydrogenations (at low hydrogen pressure), hydroformylations, hydrocyanations, allylic substitutions and isomerizations of allylamines to enamines |
| 03/28/2000 | US6043359 Processes for the preparation of derivatives of 4a,5,9,10,11,12-hexahydro-6H-benzofuro-[3a,3,2-ef][2]benzazepine |
| 03/23/2000 | WO2000015599A1 Process for producing stereoselective nitro compounds |
| 03/22/2000 | EP0987271A1 An optically active diaminophosphine ligand-transition metal complex |
| 03/22/2000 | CN1050603C Prepn. of intermediate product used in process for diastereoselective synthesis of nucleosides |
| 03/16/2000 | WO2000014096A1 Ferrocene-based diphosphonites for asymmetrical catalysis |
| 03/16/2000 | WO2000014051A1 Esters with musky odor and their use in perfumery |
| 03/16/2000 | WO2000014034A1 Microwave facilitated allyllic substitution |
| 03/16/2000 | WO2000014033A1 The addition of oxygen nucleophiles to vinyl epoxides |
| 03/16/2000 | CA2342238A1 Ferrocene-based diphosphonites for asymmetrical catalysis |
| 03/15/2000 | EP0984972A1 Chiral phosphorus-based ligands |
| 03/14/2000 | US6037505 Enantioselective oxazaborolidine catalysts |
| 03/14/2000 | US6037500 Asymmetric synthesis catalyzed by transition metal complexes with cyclic chiral phosphine ligands |
| 03/14/2000 | US6037498 Chiral syntheses |
| 03/14/2000 | US6037493 Optically active diphosphines, preparation thereof according to a process for the resolution of the racemic mixture and use thereof |
| 03/14/2000 | US6037479 Chiral diarsine compounds |