| Patents for C07B 57 - Separation of optically-active organic compounds (3,737) |
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| 10/06/2010 | CN101851246A Method for resolving curcumenol epoxy chirality isomer by ionic liquid |
| 10/06/2010 | CN101851217A Synthesis method of (S)-2,6-diamino-4,5,6,7-tetrahydro benzothiazol |
| 09/30/2010 | WO2010110555A2 Method for obtaining optically pure amino acids |
| 09/30/2010 | WO2010110361A1 Method for producing bicyclic γ-amino acid derivative |
| 09/30/2010 | DE102009014898A1 Prozess zur Enantiomerentrennung von 3,6-Dihydro-1,3,5-triazinderivaten Process for separating enantiomers of 3,6-dihydro-1,3,5-triazine derivatives |
| 09/30/2010 | CA2756750A1 A method for producing bicyclic .gamma.-amino acid derivative |
| 09/28/2010 | CA2638499C Method for manufacture of escitalopram |
| 09/21/2010 | US7799952 contacting with L-(-)-di-O-benzoyl-L-(-)-tartaric acid (L-(-)-DBTA) to form salt, then contacting solution with achiral mineral acid, followed by separation |
| 09/16/2010 | WO2010104034A1 Method for producing optically active 2-hydroxy ester and novel intermediate compound |
| 09/01/2010 | CN101821217A Method of separating isomers of chiral substances and apparatus therefor |
| 08/25/2010 | EP2221300A1 Methods for resolution of the mixture of the optical isomers, especially the racemate of pinocembrin |
| 08/18/2010 | EP2218705A1 Method of separating isomers of chiral substances and apparatus therefor |
| 08/12/2010 | US20100204516 Process for the preparation of optically pure r (-) salbutamol and its pharmaceutically acceptable salts |
| 08/11/2010 | CN101798311A Method for preparing cis cevimeline |
| 08/11/2010 | CN101798280A Method for preparing S-(-)-amlodipine and R-(+)-amlodipine by chirally resolving racemic amlodipine |
| 08/11/2010 | CN101284797B Decomposing method of N-protected allyl glycinate |
| 08/11/2010 | CN101143863B Resolution for 5-methyltetrahydrofolic acid and salifying method thereof |
| 08/05/2010 | WO2010012746A3 Process of isolating enantiomer components from enantiomer mixtures by particle-size-controlled crystallization |
| 08/04/2010 | EP2213651A1 Resolution of 4,5-dimethoxy-1-(methylaminomethyl)-benzocyclobutane |
| 08/04/2010 | EP1489066B1 Process for production of optically active carboxylic acid |
| 08/04/2010 | CN101284754B Tandem continuous multilevel chiral separation method and device |
| 08/03/2010 | US7767811 Kinetic resolutions of chiral 2- and 3-substituted carboxylic acids |
| 08/03/2010 | CA2591818C Process for the preparation of optically active aminoalcohols |
| 08/03/2010 | CA2555980C Method for the separation of intermediates which may be used for the preparation of escitalopram |
| 07/27/2010 | CA2424637C Selective binding materials |
| 07/21/2010 | EP1259243B2 Bupropion metabolites and methods of their synthesis and use |
| 07/20/2010 | CA2406266C A pyridine-1-oxide derivative, and process for its transformation into pharmaceutically effective compounds |
| 07/14/2010 | CN101778813A Method for purification of optically active alpha-fluorocarboxylic acid esters |
| 07/07/2010 | CN101772475A Process for the resolution of zopiclone and intermediate compounds |
| 07/07/2010 | CN101768096A Resolving method of 3-acetylthio-2-methylpropionate |
| 07/07/2010 | CN101768072A Application of cellulose chiral membrane in splitting mandelic acid racemic modification |
| 07/06/2010 | US7749389 comprises amylose; simulated moving bed chromatography |
| 06/30/2010 | CN101759629A Novel preparation method for sitafloxacin intermediate |
| 06/23/2010 | EP2197273A1 Process for preparing r-gossypol l-phenylalaninol dienamine |
| 06/22/2010 | US7740758 Separating agent including polysaccharide derivative having a polycyclic structure |
| 06/22/2010 | CA2521877C Novel method for the synthesis of s-indoline-2-carboxylic acid and application thereof in the synthesis of perindopril |
| 06/17/2010 | WO2010067824A1 Process for producing optically active carboxylic acid |
| 06/17/2010 | CA2746570A1 Process for producing optically active carboxylic acid |
| 06/16/2010 | CN1922140B Method for producing monatin |
| 06/16/2010 | CN101735185A Racemization method for optically active 3-butyl phthalide |
| 06/16/2010 | CN101735101A Tartrate of photoactive 2-amino amides |
| 06/16/2010 | CN101735069A Method for purifying diastereoisomer amine salt of 2-(1-hydroxypentyl)-benzoic acid |
| 06/15/2010 | CA2299495C Process for preparing growth hormone secretagogues |
| 06/09/2010 | CN101723826A Preparation method of trans-D-chrysanthemic acid |
| 06/08/2010 | CA2230143C Chiral supports, their synthesis and their use in the separation of chiral compounds or preparation of enantiomers |
| 06/02/2010 | CN101717392A Method for preparing rotigotine and derivative thereof |
| 06/01/2010 | US7728167 crystallizing the salt of one enantiomer of the N-protected amino acids with an enantiomerically pure N-unprotected beta -amino acid derivative used as resolving agent; Liberation of the desired N-protected amino acid takes place preferably through acidification and extraction |
| 05/26/2010 | EP2189444A1 Chiral binaphtol derivatives as alanine racemase mimics with powerful hydrogen bond donors: their use for optical resolution and optical inversion |
| 05/26/2010 | EP2189438A1 Method for purification of optically active -fluorocarboxylic acid esters |
| 05/26/2010 | EP2189434A1 Chiral binaphtol derivatives as alanine racemase mimics with powerful hydrogen bond donors: their use for optical resolution and optical inversion |
| 05/26/2010 | EP2189433A1 Chiral binaphtol derivatives as alanine racemase mimics with powerful hydrogen bond donors: their use for optical resolution and optical inversion |
| 05/25/2010 | CA2449347C New derivatives of hyaluronan |
| 05/20/2010 | US20100125070 Bupropion Metabolites and Methods of Their Synthesis and Use |
| 05/19/2010 | CN101003486B Preparation method of chiral alicyclic amino-alcohol |
| 05/14/2010 | WO2010025968A3 Process for enantioseparation of chiral systems with compound formation using two subsequent crystallization steps |
| 05/12/2010 | EP2183201A1 Process for the resolution of zopiclone and intermediate compounds |
| 05/12/2010 | EP1628730B1 Nucleic acids in the form of specific novel chiral selectors |
| 05/06/2010 | WO2010050499A1 Process for production of optically active organic carboxylic acid |
| 05/06/2010 | WO2009151733A3 Surfactant-based monolithic columns, methods for making the same, and methods for using the same |
| 05/05/2010 | EP1268584B1 Compositions and methods for selectively binding amines or amino acid enantiomers over their counter-enantiomers |
| 04/29/2010 | DE112008001302T5 Verfahren zur Trennung von Diastereomeren A process for the separation of diastereomers |
| 04/27/2010 | CA2345118C Substituted polycyclic aryl and heteroaryl tertiary-heteroalkylamines useful for inhibiting cholesteryl ester transfer protein activity |
| 04/21/2010 | EP2175952A1 Continuous crystallisation method |
| 04/20/2010 | US7700802 Method of separating stereoisomers of dicarboxylic acid having norbornene or norbornane structure, or derivative thereof |
| 04/14/2010 | EP2174940A1 Process for production of optically active mirtazapine |
| 04/06/2010 | CA2450490C Resolution process for (r)-(-)-2-hydroxy-2-(2-chlorophenyl) acetic acid |
| 03/31/2010 | EP2169094A1 Method for crystallisation from a solution |
| 03/31/2010 | EP2168943A1 Method for producing optically active trans-2-aminocyclohexanol and intermediate of optically active trans-2-aminocyclohexanol |
| 03/31/2010 | CN101684071A Method for splitting DL-p-hydroxymandelic acid |
| 03/23/2010 | US7682836 Using template to prepare imprinted frozen fluid usable as separation medium, recognition element in sensors and bioassays and as catalyst |
| 03/18/2010 | WO2010029950A1 Process for producing optically active epoxy compound and optically active sulfoxide compound, ligand and complex for use in the process, and process for producing the complex |
| 03/17/2010 | CN101671305A Method for resolution of levorotatory enantiomer and dexiotropic enantiomer of medetomidine |
| 03/16/2010 | US7678938 Intermediate in the synthesis of (S)-Pregabalin; precipitation |
| 03/11/2010 | WO2010025968A2 Process for enantioseparation of chiral systems with compound formation using two subsequent crystallization steps |
| 03/10/2010 | EP2160372A1 Method for determining enantiomeric purity of darifenacin and intermediates |
| 03/10/2010 | EP1527041B1 Process for the preparation of primary amines |
| 02/25/2010 | WO2010020719A1 Method for preparing the ethyl ester of 4-[trans-4-[(phenylmethyl)amino]cyclohexyl]benzoic acid and the hemifumarate salt thereof |
| 02/04/2010 | WO2010012746A2 Process of isolating enantiomer components from enantiomer mixtures by particle-size-controlled crystallization |
| 02/04/2010 | CA2732157A1 Process of isolating enantiomer components from enantiomer mixtures by particle-size-controlled crystallization |
| 01/28/2010 | WO2010009630A1 A process for preparing r-beta-amino phenylbutyric acid derivatives |
| 01/28/2010 | CA2731245A1 A process for preparing r-beta-amino phenylbutyric acid derivatives |
| 01/13/2010 | EP2143715A1 Method for obtaining pure enantiomers of a pyridazinone derivative |
| 01/12/2010 | CA2382163C Electronically tuned ligands |
| 01/07/2010 | WO2010001103A1 Process for the manufacture of racemic 2-aryl-propionic acid |
| 01/07/2010 | WO2010000634A1 Process for the isomerization of semicarbazone compounds |
| 01/07/2010 | CA2727320A1 Process for the isomerization of semicarbazone compounds |
| 12/23/2009 | CN101607956A Method for splitting chiral medicine of hydrochloric acid lomefloxacin |
| 12/16/2009 | EP2132181A1 (1r,1'r)-atracurium salts separation process |
| 12/10/2009 | US20090304890 apparatus and method for temperature controlled processes |
| 12/09/2009 | CN101597277A Novel method for preparing S-pantoprazole and salt |
| 12/02/2009 | EP2125743A1 (1r,1'r)-atracurium salts separation process |
| 12/02/2009 | EP2125742A2 (1r,1'r)-atracurium salts separation process |
| 12/02/2009 | CN101591259A Technology for producing dextral L-(+)-para hydroxy phenyl glycine by aqueous phase resolution method |
| 12/02/2009 | CN101591250A Method for preparing chiralN-methyl-1-(alpha-aminobenzyl)-2-naphthol |
| 11/26/2009 | WO2009142194A1 Method for producing optically active aminoalcohol derivative |
| 11/26/2009 | CA2724450A1 Method for producing optically active aminoalcohol derivative |
| 11/25/2009 | EP2123769A1 Method for producing optically active 3-aminopiperidine or salt thereof |
| 11/25/2009 | EP2123629A1 Method for purifying 4-hydroxyisoleucine |
| 11/25/2009 | EP1481961B1 Process for producing (r)-3-hydroxy-3-(2-phenylethyl)hexanoic acid and its intermediate |
| 11/25/2009 | CN101585835A Preparation method and application of bencycloquidium bromide optical isomer and composition of bencycloquidium bromide optical isomer |