| Patents for C07B 53 - Asymmetric syntheses (6,231) |
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| 10/24/2001 | EP1147075A1 Method for producing l-phenylephrine hydrochloride |
| 10/23/2001 | US6307067 Palladium and boron co-catalyzed addition of oxygen nucleophiles to vinyl epoxides |
| 10/23/2001 | US6307057 Catalyze enantioselective reactions, e.g., diels-alder reactions |
| 10/18/2001 | US20010031892 Stereoselective synthesis starting from (S)-3-hydroxy-4-butyrolactone |
| 10/18/2001 | US20010031875 Optically active ionic liquid |
| 10/18/2001 | US20010031858 Coupling of 2-(2-acetylamino-3-(4-amidinophenyl) propionylamino)-2-cyclohexylacetic acid with a 3-(2-amino-2-carbamoylethyl)-1-methylpyridinium salt or a salt thereof; anticoagulants |
| 10/17/2001 | EP1146047A1 3,5-Dioxa-8-aza-tricyclo(5.2.1.00,0)decane-9-methanols, their metal complexes and enantioselective hydrogenation processes |
| 10/17/2001 | EP1146036A2 Tamiflu, Gallocarboxylic acid approach |
| 10/17/2001 | EP1144375A2 Synthesis of oligoketides |
| 10/17/2001 | EP1144367A1 Alpha-substitution of unprotected beta-amino ester compounds |
| 10/17/2001 | EP0641330B1 Gaba and l-glutamic acid analogs for antiseizure treatment |
| 10/17/2001 | CN1317481A Method for preparing 4,5-diamino shikimic acid derivative |
| 10/16/2001 | US6303796 Chemical intermediates; optically active compounds useful as optical resolution agents; metal-coordinated compounds useful as asymmetric catalysts |
| 10/11/2001 | WO2001074828A1 Water soluble chiral diphosphines |
| 10/11/2001 | WO2001074741A2 Catalytic asymmetric desymmetrization of meso compounds |
| 10/11/2001 | CA2405535A1 Catalytic asymmetric desymmetrization of meso compounds |
| 10/10/2001 | EP1141374A2 Method for producing optically active 1-amino-4-(hydroxymethyl)-cyclopent-2-ene derivatives |
| 10/10/2001 | EP1141373A1 Method for the enantioselective reduction of 3,5-dioxocarboxylic acids, their salts and their esters |
| 10/10/2001 | EP1140956A1 Ligands and complexes for enantioselective hydrogenation |
| 10/10/2001 | EP1140874A1 Stereoselective synthesis of oxazoline derivative |
| 10/10/2001 | EP1140842A1 Alkyl esters of 3-(3,4-dihalogenophenyl)-2,6-dioxopiperidine-3-propionic acid useful as intermediates |
| 10/10/2001 | EP1140818A1 Amidomalonamides and their use as inhibitors of matrix metalloproteinase |
| 10/10/2001 | EP1140815A1 Novel thio-aminotetralin compounds useful in pain management |
| 10/10/2001 | EP1140794A1 Novel method for preparing chiral amino acids |
| 10/10/2001 | EP1140790A1 Novel oxo-aminotetralin compounds useful in pain management |
| 10/10/2001 | EP1140769A1 Method for producing glyoxylic acid esters or the hydrates thereof |
| 10/10/2001 | EP1140745A1 Colchinol derivatives as vascular damaging agents |
| 10/04/2001 | WO2001034612A3 Chiral phosphines, transition metal complexes thereof and uses thereof in asymmetric reactions |
| 10/03/2001 | CN1316013A Process for preparing optically pure (S)-3,4-dihydroxybutyric acid derivatives |
| 10/03/2001 | CN1316012A Process for preparing optically pure (S)-3-hydroxy-gamma-butyrolactone |
| 10/03/2001 | CN1316011A Continuous process for preparing optically pure (S)-3,4-dihydroxybutyric acid derivatives |
| 10/03/2001 | CN1316010A Continuous process for preparing optically pure (S)-3-hydroxy-gamma-butyrolactone |
| 10/03/2001 | CN1316008A Process for preparing alpha-(1,4) linked oligosaccharide |
| 10/03/2001 | CN1315319A Process for preparing ethyl-sulfonylpiperidine derivatives |
| 10/03/2001 | CN1072227C Optically active diphosphine ligands |
| 09/26/2001 | EP1136475A1 Piperidine and piperazine compounds for use in the treatment of Alzheimer |
| 09/26/2001 | EP0900214B1 Process for preparation of pyrimidine derivatives |
| 09/26/2001 | CN1314880A Novel method for preparing optically active alpha-aminonitriles |
| 09/20/2001 | WO2001068637A2 Method for the preparation of tetrahydrobenzothiepines |
| 09/20/2001 | WO2001068254A1 Chiral lead catalyst and method of asymmetric aldol reaction |
| 09/19/2001 | EP1134226A2 Process for producing an optically active ruthenium-phosphine complex and process for producing an optically active alcohol by using the complex |
| 09/13/2001 | WO2001066509A1 PROCESS FOR PRODUCING α,α-DIFLUORO- β -KETOESTER |
| 09/13/2001 | WO2000040547A8 α-SUBSTITUTION OF UNPROTECTED β-AMINO ESTER COMPOUNDS |
| 09/12/2001 | EP1131323A1 Synthesis of acyclic nucleoside derivatives |
| 09/12/2001 | EP1131313A1 Enantioselective alkylation of tricyclic compounds |
| 09/12/2001 | EP1131279A1 Industrial process for the production of l-carnitine |
| 09/12/2001 | EP1131278A1 Process for production of esters |
| 09/12/2001 | EP1131274A2 Methods for producing chiral aldehydes |
| 09/12/2001 | EP1131270A1 Process for converting an alcohol to the corresponding fluoride |
| 09/12/2001 | CN1312805A Benzothiepines having activity as inhibitors of ileal bile acid transport and taurocholate uptake |
| 09/11/2001 | US6288279 Their preparation process and their use in asymmetrical catalysis. rearranging a diphosphole, reacting the diphosphole with an acetylenic compound to form the diphosphine |
| 09/11/2001 | US6288272 Reaction of enantiomorphs of amylopectin to linked oligosaccharide, oxidation of oligosaccharide, esterification with alcohol |
| 09/11/2001 | US6288247 Catalytic multistage process forming a racemic mixture of compounds |
| 09/07/2001 | WO2001028990A3 Methods of asymmetrically synthesizing enantiomers of casodex, its derivatives and intermediates thereof |
| 09/05/2001 | EP1129073A2 Process and intermediates for production of donepezil and related compounds |
| 09/04/2001 | US6284925 Hydrogenation catalysts for hydrogenation of double bonds or imine groups |
| 08/29/2001 | EP1127886A1 Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-2H-pyran-2one |
| 08/29/2001 | EP1127872A1 Tamiflu via Diels-Alder |
| 08/29/2001 | EP1127871A1 New esters derived from substituted phenyl-cyclohexyl compounds |
| 08/29/2001 | EP1127616A1 Catalyst for asymmetric epoxidation of enones and process for producing optically active epoxide employing it |
| 08/29/2001 | EP1127061A1 Chiral ligands for asymmetric catalysis |
| 08/29/2001 | EP1127043A1 Stereoselective process for preparing (cyclo)alkyl phenylglycolic acids |
| 08/29/2001 | CN1310170A Process for producing 4,5-diamino shikimic acid derivative |
| 08/28/2001 | USRE37344 For forming complexes with iridium or rhodium which are used for enantioselective hydrogenation catalysts for homogeneous hydrogenation of prochiral unsaturated compounds |
| 08/28/2001 | US6281390 Chiral diphenyldiphosphines and d-8 metal complexes thereof |
| 08/28/2001 | US6281379 Halogenating g-amino-b-keto sulfoxide; reacting with acid and alcohol; forming b-amino-a-hydroxy acid compounds |
| 08/23/2001 | WO2001060777A1 PROCESS FOR OBTAINING 1, 2, 3, 5, 6, 7, 8, 8A-OLTAHYDRO-1, 2, 8, 8TETRAMETHYLNAPHTHALEN-2-YL!ETAN-1-ONE |
| 08/23/2001 | US20010016669 Novel process and intermediates |
| 08/22/2001 | EP1124833A1 Diphosphines |
| 08/22/2001 | CN1309632A Salts of N-tert-butylhydroxylamine |
| 08/22/2001 | CN1309631A Aminomethylcarboxylic acid derivs |
| 08/21/2001 | US6278024 As catalysts for assymetric synthesis |
| 08/21/2001 | US6277997 Hydrogenating asymmetrically 2,5-dihydrofuran derivative in presence of catalyst comprising metal diphosphine complex to produce lactone derivative |
| 08/16/2001 | WO2001058588A1 Chiral ferrocene phosphines and their use in asymmetric catalytic reactions |
| 08/16/2001 | WO2000055124A3 Novel compounds and compositions as protease inhibitors |
| 08/16/2001 | WO2000047551A3 Inhibitors of aspartyl protease |
| 08/16/2001 | CA2400183A1 Chiral ferrocene phosphines and their use in asymmetric catalytic reactions |
| 08/16/2001 | CA2399515A1 Process for the preparation of (r)-2-bromo-3-phenyl-propionic acid |
| 08/15/2001 | CN1069624C Production of derivatives of 4a,5,9,10,11,12,-bexahydro-6H-benzofuro[3a,3,2-ef][2] benzazepine |
| 08/14/2001 | US6274758 Enantiomorph selectivity |
| 08/09/2001 | WO2001057232A1 Method for the enzymatic resolution of the racemates of aminomethyl-aryl-cyclohexanol derivatives |
| 08/09/2001 | DE10004926A1 Verfahren zur enzymatischen Racematspaltung von Aminomethyl-Aryl-Cyclohexanol-Derivaten A process for the enzymatic resolution of aminomethyl-aryl-cyclohexanol derivatives |
| 08/07/2001 | US6271388 Process for producing oxazolidin-2-one derivative |
| 08/02/2001 | WO2001055175A2 Process for the preparation of acetyl-amidiniophenylalanyl-cyclohexylglycyl-pyridinioalaninamides |
| 08/02/2001 | WO2001055097A1 Preparation of nitrogen mustard derivatives |
| 08/02/2001 | WO2001055090A1 Asymmetric synthesis of pregabalin |
| 08/02/2001 | WO2001055060A2 Chiral ionic liquids |
| 08/02/2001 | US20010011074 Antiischemic agents; cardiovascular disorders |
| 08/02/2001 | DE10003708A1 Neuartige chirale ionische Flüssigkeiten und Verfahren zu ihrer Darstellung in enantiomerenreiner oder enantiomerenangereicherter Form Novel chiral ionic liquids and methods for their representation in enantiomerically pure or enantiomerically enriched form |
| 08/01/2001 | EP1120162A2 Use of catalysts with a higher molecular weight in an asymmetrical continous hydration reaction, ligands and catalysts |
| 08/01/2001 | EP1120161A1 High molecular weight ligands for homogeneously soluble asymmetric hydrogenation catalysts, process for their preparation and use thereof |
| 08/01/2001 | EP1120160A1 Polymeric diphosphine ligands for homogeneously soluble hydrogenation catalysts, process for their preparation and use thereof |
| 08/01/2001 | EP0941228B1 PROCESS FOR PREPARING MeO-Peg-PROTECTED DIHYDROQUININE OR DIHYDROQUINIDINE DERIVATIVES, DIHYDROQUININE OR DIHYDROQUINIDINE DERIVATIVES AND THEIR USE |
| 07/26/2001 | WO2001053269A1 Acid addition salts of imidazolidinones as reaction catalysts |
| 07/26/2001 | WO2001053241A1 Chemical transformation of substrates using nonmetallic, organic catalyst compositions |
| 07/26/2001 | WO2000068183A3 High purity (1r,2s,4r)-(-)-2-[(2'-{n,n-dimethylamino}-ethoxy)]-2-[phenyl]-1,7,7-tri-[methyl]-bicyclo[2.2.1]heptane and pharmaceutically acceptable acid addition salts thereof, process for the preparation of these compounds and medicaments containing them |
| 07/26/2001 | DE10002976A1 Molekulargewichtsvergrößerte Liganden für asymmetrische homogen lösliche Hydrierkatalysatoren, Verfahren zu deren Herstellung und Verwendung Molecular weight-ligands for asymmetric homogeneous hydrogenation catalysts soluble, to processes for their preparation and use |
| 07/26/2001 | DE10002975A1 Verwendung von molekulargewichtsvergrößerten Katalysatoren in einem Verfahren zur asymmetrischen kontinuierlichen Hydrierung, neue molekulargewichtsvergrößerte Liganden und Katalysatoren Use of molecular weight-catalysts in a process for the asymmetric hydrogenation continuous, molecular weight-new ligands and catalysts |
| 07/26/2001 | DE10002973A1 Polymere Diphosphinliganden für homogen lösliche Hydrierkatalysatoren, Verfahren zu deren Herstellung und Verwendung Diphosphine ligands for homogeneous hydrogenation catalysts soluble polymers, processes for their preparation and use |
| 07/26/2001 | CA2397650A1 Chemical transformation of substrates using nonmetallic, organic catalyst compositions |