| Patents for C07B 57 - Separation of optically-active organic compounds (3,737) |
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| 11/15/2006 | EP1720830A1 Process for manufacturing optically pure (r) or (s)-5-(2-aminopropyl)-2-methoxybenzene sulfonamide |
| 11/14/2006 | CA2250062C Method for obtaining pure enantiomers of a pyridazinone derivative |
| 11/08/2006 | EP1719758A1 Process for producing monatin |
| 11/08/2006 | EP1719746A1 Optical resolver, process for producing optically active isomer, and 1,5-substituted bicyclo (3.3.0) -2-oxaoctane compound |
| 11/02/2006 | EP1716108A1 Method for the separation of intermediates which may be used for the preparation of escitalopram |
| 10/25/2006 | CN1281594C Method I for producing biperiden |
| 10/24/2006 | US7126002 Pyridine-1-oxide derivative, and process for its transformation into pharmaceutically effective compounds |
| 10/18/2006 | CN1280258C Process for producing 4,5-diamino shikimic acid derivative |
| 10/18/2006 | CN1280251C Method for preparing dexiotropous antifoim dichlor chrysanthemic acid in high optical purity through method of induced crystallization |
| 10/04/2006 | CN1277807C Process for the preparation of aminoalcohol and (1S, 4Rú®or (1R, 4S)-1-amino-4-(methylol)-2-cyclopentene or its salts |
| 10/04/2006 | CN1277787C Optical dividing method for sclare lactone precursor |
| 09/28/2006 | WO2006099926A1 Process for preparing enantiopure e-(2s)-alkyl-5-halopent-4-enoic acids and esters |
| 09/28/2006 | WO2006058681A3 Method for producing enantiomer-enriched lactones |
| 09/28/2006 | CA2599409A1 Process for preparing enantiopure e-(2s)-alkyl-5-halopent-4-enoic acids and esters |
| 09/27/2006 | EP1705173A1 Binaphthol deratives and their use in optical resolution or optical transformation |
| 09/27/2006 | CN1837205A Process for the preparation of pyrazolopyridine tartrates |
| 09/27/2006 | CN1276907C Splitting method of (R)-(-)-2-hydroxy-2-(2-chlorphenyl)acetic acid |
| 09/26/2006 | US7112686 Precipitation from mother liquors by adding bases or acid addition salts to solution of citalopram |
| 09/26/2006 | US7112597 5-(Substituted thiazolylethoxy)indaneacetic acid derivatives, used in the treatment of diseases such as diabetes, obesity, hyperlipidemia, and atherosclerotic diseases |
| 09/21/2006 | US20060211862 Biotechnological resolution of racemic mixtures of 1-Amino-4-(hydroxymethyl)-2-cyclopentene using a hydrolase (lipase); optional formation of acyl derivatives |
| 09/20/2006 | CN1835909A Process for the preparation of aromatic amines |
| 09/20/2006 | CN1275946C Method of preparing derivatives of 1.5-diaryl-3-trifluoromethyl-delta2-pyrazolines that are racemic and enantiomerically pure |
| 09/14/2006 | US20060205723 5-(Substituted oxazolyl- or thiazolyl-ethoxy)indaneacetic acid derivatives, used in the treatment of diseases such as diabetes, obesity, hyperlipidemia, and atherosclerotic diseases |
| 09/13/2006 | CN1830799A Carboxymethyl-beta-cyclodextrin intercalated water talc used for chiral resolution racemic modification and its preparation method |
| 09/12/2006 | US7105698 Process for the separation of R(-)-and S(+)-5-[2-[[2-(2-ethoxyphenoxy)ethyl]amino]propyl]-2- methoxybenzenesulfonamide |
| 09/12/2006 | CA2214096C Process for the preparation of aromatic carbamoyl-substituted polysaccharide derivatives |
| 09/07/2006 | US20060199861 Methods of using derivatives of (-)-venlafaxine |
| 09/07/2006 | US20060199860 Salts of (-)-O-desmethylvenlafaxine |
| 09/05/2006 | US7101947 Polyelectrolyte complex films for analytical and membrane separation of chiral compounds |
| 08/24/2006 | WO2006087556A1 Method for separation |
| 08/23/2006 | EP1692084A1 Process for the preparation of enantiomerically enriched amino acids |
| 08/17/2006 | DE102005005828A1 Makroporöses Kunststoffperlenmaterial Macroporous plastics bead material |
| 08/16/2006 | EP1689703A1 Resolution of 3-amino alkylnitriles |
| 08/16/2006 | EP1064065B2 Improved method for enriching optical isomers by means of simulated mobile bed |
| 08/10/2006 | WO2006083030A1 Process for producing fatty acid and salt or crystal of fatty acid |
| 08/09/2006 | EP1687273A1 Process for preparation of chiral amlodipine salts |
| 08/09/2006 | EP1687263A1 Cis-trans isomerisation of semicarbazone compounds |
| 08/02/2006 | EP1686114A1 Process for producing optically active 2-alkylcysteine, derivative thereof, and processes for production |
| 08/02/2006 | EP0970935B1 Method of separating optical isomers |
| 07/26/2006 | CN1809537A Method of producing ethyl (3r, 5s, 6e)-7-[2 cyclopropyl-4-(fluorophenyl) quinoline-3-yl]-3, 5-dihydroxy-6-heptenoate |
| 07/26/2006 | CN1809535A Method of separating optically active dihydroxy-heptenoic acid esters |
| 07/20/2006 | US20060160772 Process for manufacture of fosinopril sodium |
| 07/19/2006 | EP1492769B1 Novel process for the preparation of 1-phenyl-2-(2-pyridyl)ethanamine |
| 07/18/2006 | US7078532 Process for manufacture of fosinopril sodium |
| 07/18/2006 | US7078226 Method for producing optically active amines |
| 07/12/2006 | EP1274685B1 A pyridine-n-oxide derivative, and process for its transformation into pharmaceutically effective compounds |
| 07/11/2006 | CA2257204C Processes for producing phenoxy propionic acid derivatives |
| 06/28/2006 | EP1259243B1 Bupropion metabolites and methods of their synthesis and use |
| 06/27/2006 | US7067690 contacting a liquid mixture of specific diastereoisomers containing two asymmetric carbon atoms with a Lewis acid compound in an amount that is not enough to co-ordinate the total isomer content to form a coordinated reaction product that can be separated from the liquid |
| 06/27/2006 | US7067640 pure polymer beads of a chiral support polymerised and cross-linked, preferably into a three-dimensional glycosidic network or obtained as a chiral compound attached to a support via a covalent bond, then polymerised and cross-linked, preferably into a three-dimensional glycosidic network; chromatography |
| 06/22/2006 | US20060135784 Process for producing 3-amino-2-hydroxypropionic acid derivatives |
| 06/14/2006 | CN1259306C Process for the preparation of aminoalcohol, aminoalcohol derivatives and their further conversion to (1S, 4R)-4-(2-AMINO - 6-CHLORO - 9- H - PURINE - 9-YL)-2- CYCLOPENTENYL-1-METHANOL or its salt |
| 06/08/2006 | US20060122429 Preparation of optically active amines |
| 06/08/2006 | US20060122401 Process for manufacture of fosinopril sodium |
| 06/07/2006 | EP1666481A2 Optical resolution of (1-benzyl-4-methylpiperidin-3-yl)-methylamine and the use thereof for the preparation of pyrrolo[2,3]pyrimidine derivatives as protein kinases inhibitors |
| 06/07/2006 | CN1784378A Method for the synthesis of 4-hydroxyisoleucine and the derivatives thereof |
| 06/06/2006 | US7057066 Process for producing 3-amino-2-hydroxypropionic acid derivatives |
| 06/06/2006 | US7057038 Kinetic resolutions of chiral 2- and 3-substituted carboxylic acids |
| 06/01/2006 | DE10308350B4 Verfahren zur Herstellung der enantiomeren Formen von cis-konfigurierten 1,3-Cyclohexandiol-Derivaten A process for preparing the enantiomeric forms of cis-configured 1,3-cyclohexanediol derivatives |
| 05/31/2006 | EP1427684B1 Method for determining the enantiomer ratio trimethylcyclopentene derivatives |
| 05/31/2006 | EP1246789B1 Methods of making optically pure (r)- and (s)- didesmethylsibutramine |
| 05/30/2006 | CA2345582C Process for the preparation of the mesylate salt trihydrate of 1-(4-hydroxyphenyl)-2-(4-hydroxy-4-phenylpiperidin-1-yl)-1-propanol |
| 05/23/2006 | US7049434 new hyaluronan derivatives where the hydroxyl groups are esterified or carbamoylated in amounts ranging from 0.01% to 100% and the carboxyl groups are either totally or partially esterified with alcohols or are in the form of salt |
| 05/18/2006 | WO2006050887A1 Process for the preparation of enantiomers of amidoacetonitrile compounds from their racemates |
| 05/18/2006 | CA2580247A1 Process for the preparation of enantiomers of amidoacetonitrile compounds from their racemates |
| 05/17/2006 | EP1657243A1 Procedure for the production of amino alcohols |
| 05/17/2006 | EP1337533B1 Resolution of trans-7-(hydroxy-methyl)octa-hydro-2h-pyrido-1,2a)pyrazine |
| 05/17/2006 | EP1237847B1 Method for the stereoselective synthesis of cyclic amino acids |
| 05/17/2006 | EP0978498B1 Separating agent for optical isomers and process for producing the same |
| 05/17/2006 | CN1256346C Crosslinking monomer containing bile acid and preparation process and use thereof |
| 05/17/2006 | CN1256310C Compositions comprising higher diamondoids and processes for their separation |
| 05/10/2006 | CN1771233A Process for resolving aimines that are useful for the treatment of disorders associated with insulin resistance syndrome. |
| 05/03/2006 | CN1768019A method for synthesis of (2s)-indoline-2-carboxylic acid and use in the synthesis of perindopril |
| 04/27/2006 | WO2006043906A1 Method for resolving stereoisomers of a compound |
| 04/27/2006 | US20060086667 Methods for the separation of enantiomeric sulfinylacetamides |
| 04/25/2006 | US7034178 Reacting 3-phenylglycidic acid with ammonia; forming 3-phenylisoserine alkyl ester; separation of racemic mixture using tartaric acid |
| 04/25/2006 | US7034158 Method of producing biperiden I |
| 04/19/2006 | EP1258477B1 Resolution of the enantiomers of amlodipine |
| 04/18/2006 | US7030250 Process for obtaining 4-(N-alkylamino)-5,6-dihydro-4H-thien-(2,3-b)-thiopyran-2-sulfonamide-7,7-dioxides and intermediates |
| 04/12/2006 | CN1757620A Biphase identification chiral prepn. of chromatographic chiral compound(s) |
| 04/11/2006 | US7026345 Resolution of 3-amino alkylnitriles |
| 04/11/2006 | US7026320 Serotonergic agents |
| 04/11/2006 | US7026144 Process for preparing (-) menthol and similar compounds |
| 04/11/2006 | US7025828 Screening for optimal yield in the crystallization of multicomponent systems |
| 04/05/2006 | EP1642883A2 Optically active cyclohexylphenylglycolate esters |
| 04/05/2006 | EP1401876B1 New derivatives of hyaluronan |
| 04/04/2006 | CA2258508C Thermally immobilized polysaccharide derivatives |
| 03/30/2006 | US20060069283 New process |
| 03/29/2006 | CN1247592C Optics decomposing method for coumarin dimer |
| 03/23/2006 | WO2006030278A1 Methods for the separation of modafinil |
| 03/23/2006 | US20060063939 Process for manufacture of fosinopril sodium |
| 03/23/2006 | CA2575802A1 Methods for the separation of modafinil |
| 03/22/2006 | EP1636165A2 Process for the preparation of aromatic amines |
| 03/22/2006 | CN1246287C Binaphthol derivative and method for producing same |
| 03/16/2006 | US20060058300 Intermediates of bupropion metabolites synthesis |
| 03/16/2006 | DE102004038589A1 Preparation of enantiomerically pure 2-hydroxypropanoic acids and oxetan-2-ones, useful as pharmaceutical intermediates, by treating a racemic oxetane with lipase and water or alcohol |
| 03/15/2006 | EP1634861A1 Methods for the separation of modafinil |
| 03/14/2006 | US7012145 Method |
| 03/14/2006 | US7012138 Chiral polysaccharide esters, one of the methods for preparing them and their uses for obtaining optically enriched acids or for chiral chromatography |
| 03/08/2006 | EP1632471A1 Racemic and optically pure metabolites of Sibutramine, their preparation, compositions comprising them and their use as Dopamine reuptake inhibitors |