Patents
Sitemap › C07 - Organic chemistry › C07B - General methods of organic chemistry; Apparatus therefor › C07B 57 - Separation of optically-active organic compounds
Patents for C07B 57 - Separation of optically-active organic compounds (3,737)
01/2009
01/15/2009WO2009008303A1 Process for production of optically active mirtazapine
01/08/2009US20090008329 Separating agent for enantiomeric isomers
01/02/2009DE102006032061B4 Verfahren zur Herstellung von optisch aktiven Aminen A process for producing optically active amines
12/2008
12/31/2008EP2008092A2 Polymeric sulfated surfactants for capillary electrophoresis (ce) and ce-mass spectrometry (ce-ms)
12/31/2008CN101333180A Method for preparing levetiracetam intermediate
12/30/2008US7470816 Contacting purification stock comprising both cis- and trans-tramadol with an organic acid under conditions effective to form an acid salt of the cis- and trans-tramadol in purification stock, precipitating cis-tramadol acid salt from stock and leaving trans tramadol in stock; one pot process
12/30/2008US7470525 allowing cells of microorganism or treated products thereof having an activity of stereoselective hydrolysis of the amide bond of a 2-alkyl-L-cysteinamide or a salt thereof to act on a 2-alkylcysteinamide consisting of a mixture of D- and L-isomers or a salt thereof
12/30/2008CA2275192C Novel preparation method for derivatives of 4-phenyl-1,2,3,6-tetrahydropyridine and the intermediate products activated thereby
12/24/2008WO2008156095A1 Method for producing optically active trans-2-aminocyclohexanol and intermediate of optically active trans-2-aminocyclohexanol
12/24/2008WO2008155752A1 (1r,1'r)-atracurium salts separation process
12/24/2008CN101331104A Method for producing optically active (4E)-5-chloro-2-isopropyl-4-pentenoic acid or basic amino acid salt thereof
12/24/2008CN101328161A Method for separating and detecting nebivolol hydrochloride impurity by liquid phase chromatography
12/24/2008CA2687157A1 (1r,1'r)-atracurium salts separation process
12/24/2008CA2684476A1 Method for producing optically active trans-2-aminocyclohexanol and intermediate of optically active trans-2-aminocyclohexanol
12/18/2008WO2008152497A1 Method for determining enantiomeric purity of darifenacin and intermediates
12/18/2008DE19509881B4 Ovoglycoprotein und dasselbe enthaltende Agens für chromatografische Aufspaltung Ovoglycoprotein and containing the same agent for chromatographic splitting
12/18/2008CA2691239A1 Method for determining enantiomeric purity of darifenacin and intermediates
12/11/2008WO2008150000A1 Method for production of optically active etodolac
12/11/2008WO2008148912A1 Method for crystallisation from a solution
12/04/2008WO2008146826A1 Process for producing optically active styrene oxide compound
12/03/2008CN101314559A Preparation of aromatic chirality secondary alcohol compounds
11/2008
11/27/2008WO2008144198A1 Preparative-scale separation of enantiomers of chiral carboxylic acids
11/27/2008WO2008143925A1 Process for the separation of diastereomers
11/26/2008CN101312783A Improved apparatus and method for temperature controlled processes
11/20/2008WO2008140074A1 Method for production of optically active carboxylic acid ester
11/20/2008US20080287695 Agent For Optical Resolution, Process For Producing Optically Active Substance and 1,5-Substituted Bicyclo [3.3.0] -2-Oxaoctane Compound
11/18/2008CA2219150C Method of making (s)-3-(aminomethyl)-5-methylhexanoic acid
11/13/2008WO2008136527A1 Method for purification of optically active dioxopyrrolidine derivative
11/06/2008WO2008107887A3 (1r,1'r)-atracurium salts separation process
11/05/2008EP1986996A2 A process for resolving racemic mixtures and a diastereoisomeric complex of a resolving agent and an enantiomer of interest
10/2008
10/29/2008CN100429208C Process for prepn. of racemic citalopram and/or S-or R-citalopram by separation of mixture of R-and S-citalopram
10/28/2008CA2392032C New process
10/22/2008EP1982985A2 Method for manufacturing a purine derivative
10/22/2008EP1981831A2 Kit for automated resolving agent selection and method thereof
10/22/2008CN101289387A 6-chlor-2,3-dihydro- indene-3-ketone-1-carboxyl acid optical isomer and method for preparing same
10/15/2008EP1979090A1 Particulate chiral separation material
10/15/2008EP1716108B1 Method for the separation of intermediates which may be used for the preparation of escitalopram
10/15/2008CN101287692A Process for producing optically active fluorobenzyl alcohol
10/15/2008CN101284797A Decomposing method of N-protected allyl glycinate
10/15/2008CN101284754A Tandem continuous multilevel chiral separation method and device
10/14/2008CA2348719C Separation method and device with chromatographic zones with variable length
10/07/2008US7432370 Mixing a racemic mixture of enantiomers of pyrrolo[2,3-d]pyrimidine compounds in a solvent, with a resolving compound having a defined stereospecificity, to form a solution and with resolving agent being capable of binding with enantiomers to form a precipitate collecting precipitate and purifying
10/02/2008WO2008117271A1 (1r,1'r)-atracurium salts separation process
10/02/2008CA2681060A1 (1r,1'r)-atracurium salts separation process
10/01/2008EP1687263B1 Cis-trans isomerisation of semicarbazone compounds
10/01/2008EP1620390B1 Method for the synthesis of 4-hydroxyisoleucine and the derivatives thereof
10/01/2008CN101277913A Method for fractionating stereoisomeric compounds
09/2008
09/24/2008EP1971428A2 Production of chiral materials using crystallization inhibitors
09/24/2008CN101270098A Method for preparing high-purity cis-2,6-dimethyl morpholine
09/18/2008WO2008111631A1 METHOD FOR PRODUCING α-METHYLBENZYLAMINE SALT
09/17/2008EP1968916A1 Process for the separation of optical isomers of the corey lactone
09/17/2008CN101265215A Method for preparing (S)-citalopram intermediate S-type glycol
09/17/2008CN101265200A Secondary resolution method for eptazocine intermediate
09/17/2008CN101265199A Method for the preparation of escitalopram
09/12/2008WO2008107887A2 (1r,1'r)-atracurium salts separation process
09/12/2008CA2680277A1 (1r,1'r)-atracurium salts separation process
09/10/2008EP1965900A1 Improved apparatus and method for temperature controlled processes
09/10/2008CN100417642C Cis-trans isomerisation of semicarbazone compounds
09/04/2008DE112006001701T5 Verfahren zur Herstellung von optisch aktiven Benzylaminderivaten A process for the preparation of optically active benzylamine derivatives
08/2008
08/28/2008WO2008102920A1 Optical isomer separating filler
08/28/2008WO2008102720A1 Method for producing optically active 3-aminopiperidine or salt thereof
08/28/2008WO2008102671A1 Method for purifying 4-hydroxyisoleucine
08/28/2008US20080207944 Method For Separating Compound-Forming Chiral Systems
08/28/2008CA2678990A1 Method for purifying 4-hydroxyisoleucine
08/27/2008EP1961728A1 Method for producing optically active (4e)-5-chloro-2-isopropyl-4-pentenoic acid or basic amino acid salt thereof
08/21/2008WO2008099730A1 Method for production of amine compound using optically active 2-(aroyloxy)propionic acid
08/21/2008WO2008019055A3 Processes for optical resolution of 1-phenyl-1,2,3,4-tetrahydroisoquinoline
08/21/2008US20080199630 High optical resolution power; solvent resistance; porous carriers containing amylose tris-3,5-dimethylphenylcarbamate ; exposure of polymer to dope; irradiation
08/20/2008CN101248037A Process for preparing enantiomerically enriched beta-amino acid derivatives
08/19/2008US7414153 1-1-phenyl-1-hydroxy-2-propanone, which comprises converting 1-1-phenyl-1-hydroxy-2-propanone to 1-1-phenyl-1-hydroxy-2-propanone oxime and reducing the oxime with a catalyst consisting of finely divided nickel and aluminium metals giving good diastereomeric purity and yield
08/13/2008EP1954652A2 An improved process for the preparation of armodafinil
08/13/2008CN101239926A Method of preparing D-p-hydroxyphenylglycine
08/13/2008CN101239913A Chiral tartaric acids derivatives and preparation method thereof
08/06/2008EP1953136A1 Derivatives of (-)-venlafaxine and methods of preparing and using the same
08/06/2008EP1951670A2 Organic compounds
08/06/2008CN101235104A Six kinds of alpha-schiff base derived beta-cyclodextrin and use
08/06/2008CN100408562C Method of producing ethyl (3r, 5s, 6e)-7-[2 cyclopropyl-4-(fluorophenyl) quinoline-3-yl]-3, 5-dihydroxy-6-heptenoate
08/05/2008US7408082 Continuous process for isomerizing sertraline using a transition metal catalyst and optionally a promoter; recycling the undesired stereoisomers produced
08/05/2008US7407576 Separating agent for an optical enantiomeric isomer
08/05/2008CA2409614C Separation of the enantiomers of piperidone derivatives with simultaneous racemisation in situ of the unwanted enantiomer
07/2008
07/30/2008CN101230080A simulated moving bed chromatography separation of 20(S) and 20(R)-ginsenoside Rg3 enantiomer
07/15/2008US7399409 Packing material for separation of optical isomer and method of separating optical isomer with the same
07/10/2008US20080167460 Using porous monolithic inorganic type carrier comprising polysaccharides to separate, analyze and fractionate a broad range of racemic compound
07/09/2008CN100400531C 2-oxabicyclo 3.3.0 octane compounds, process for producing the same, optical resolver, method of separating diastereomer mixture, and method of optically resolving alcohol
07/09/2008CN100400510C Method of separating optically active dihydroxy-heptenoic acid esters
07/08/2008US7396941 Method for producing monatin
07/02/2008EP1937620A2 Resolution of alpha-(phenoxy) phenylacetic acid derivatives with naphthyl-alkylamines
07/02/2008CN101209991A Method for preparing S-(-)-amlodipine
06/2008
06/26/2008WO2007103221A3 An improved process for the preparation of armodafinil
06/26/2008CA2658111A1 Improved process for the preparation of voriconazole
06/25/2008EP1935866A1 Process for producing optically active fluorobenzyl alcohol
06/25/2008EP1934159A1 Method for fractionating stereoisomeric compounds
06/19/2008WO2008072773A1 Method for producing (1r,2r)-2-amino-1-cyclopentanol
06/19/2008WO2008070909A1 Process for obtaining the r-enantiomer of salbutamol
06/17/2008US7388098 Dynamic resolution of isomers and resolved isomers
06/11/2008CN100393411C Packing material for separation of optical isomer and method of separating optical isomer with the same
06/10/2008US7385080 Method for producing optically active β-phenylalanine compounds
06/04/2008EP1927604A1 Functional monomers for molecular recognition and catalysis
06/03/2008US7381835 Resolution of racemic mixtures using an amine
06/03/2008US7381827 Processes and intermediates
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