| Patents for C07B 57 - Separation of optically-active organic compounds (3,737) |
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| 12/10/2013 | US8604237 Methods for the production of L-carnitine |
| 12/04/2013 | CN103429577A Method for resolution of 4-((1R,3S)-6-chloro-3-phenyl-indan-1-yl)-1,2,2-trimethyl-piperazine and 1-((1R,3S)-6-chloro-3-phenyl-indan, 1-yl)-3,3-dimethyl-piperazine |
| 11/20/2013 | CN103402972A Method of producing optically active 1-amino-2-vinylcyclopropane carboxylic acid ester |
| 11/13/2013 | EP2661427A1 Method for resolution of 4-((1r,3s)-6-chloro-3-phenyl-indan-1-yl)-1,2,2-trimethyl-piperazine and 1-((1r,3s)-6-chloro-3-phenyl-indan, 1-yl)-3,3-dimethyl-piperazine |
| 11/13/2013 | CN103387534A Method for separating tropicamide raceme |
| 11/13/2013 | CN101560204B Antihypertensive drug cilazapril intermediate and preparation method thereof |
| 11/06/2013 | CN101772475B Process for the resolution of zopiclone and intermediate compounds |
| 10/31/2013 | WO2013160926A1 Direct crystallization of enantiomers by heterogeneous stereoselective nucleaton on a membrane |
| 10/30/2013 | CN102153483B Axial chirality vicinal diamine compound and preparation method thereof |
| 10/30/2013 | CN101495445B Process for preparation of (1R,2R)-3-(3-dimethylamino-1-ethyl-2-methyl-propyl)-phenol |
| 10/23/2013 | EP2651879A2 Enantiomerically pure binaphthol derivatives and method for preparing the same |
| 10/17/2013 | WO2013154066A1 Optical resolution method for bicyclic compound using enzyme |
| 10/16/2013 | CN102702447B Hyperbranched modified molecular engram polymer and application thereof |
| 10/09/2013 | EP2646422A1 Separation of triazine derivatives enantiomers using tartaric acid |
| 10/02/2013 | EP2643284A2 Synthetic method of enantiomerically pure 2,2'-dihydroxy-1,1'-binaphthyl-3-carboxylic acid |
| 10/02/2013 | CN103331151A Non-interpenetrating chiral MOF stationary phase, its preparation method and application in enantiomer separation in HPLC |
| 09/25/2013 | CN103319399A Preparation method for alogliptin intermediate R-3-aminopiperidine dihydrochloride |
| 09/12/2013 | DE102005039501B4 Verfahren zur Trennung verbindungsbildender chiraler Systeme Process for the separation of compound-forming chiral systems |
| 09/11/2013 | CN103288983A Cyclodextrin derivative modified by oxazoline group as well as preparation method and application thereof |
| 09/11/2013 | CN103288982A Preparation method and application of diphenylphosphonate-beta-cyclodextrin |
| 09/11/2013 | CN102225936B Processes for producing compound |
| 09/11/2013 | CN101535345B Polysaccharide derivative and separating agent for optical isomer containing the same |
| 09/10/2013 | CA2559303C Processes and intermediates for the preparation of aspartic acetal caspase inhibitors |
| 09/03/2013 | US8524943 Production of trans-4-aminocyclopent-2-ene-1-carboxylic acid derivatives |
| 08/28/2013 | CN102225885B Method for increasing optical purity of alpha-terpineol |
| 08/28/2013 | CN101568380B Organic-inorganic hybrid chiral sorbent and process for the preparation thereof |
| 08/21/2013 | EP2629091A1 Separating agent for chromatography |
| 08/21/2013 | EP2628728A1 Process for the optical resolution of 1-(4-methoxybenzyl)-octahydro-isoquinoline |
| 08/14/2013 | CN103242117A Preparation method for (R)-(+)-gamma-lactone fragrance |
| 08/09/2013 | CA2805831A1 Enzymatic synthesis process for (7s)-3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-triene-7-carboxylic acid or of its esters and application of ivabradine and its salts to the synthesis |
| 08/07/2013 | CN102442981B Method for splitting gamma-dodecalactone chiral molecule |
| 08/07/2013 | CN102225974B Double-substituted 6-alkyl imidazolium-6-ammonium-beta-cyclodextrin with double positive electricity centers and preparation method thereof |
| 07/31/2013 | CN103228635A Separation of triazine derivatives enantiomers using tartaric acid |
| 07/31/2013 | CN102442994B Racemization method of S-lipoic acid and preparing method of R-lipoic acid |
| 07/18/2013 | US20130184489 Method for Separation of Racemic Compound-Forming Chiral Substances by a Cyclic-Crystallization Process and a Crystallization Device |
| 07/17/2013 | CN101607956B Method for splitting chiral medicine of hydrochloric acid lomefloxacin |
| 07/10/2013 | CN103193572A Separation method of single enantiomer of pantoprazole compound |
| 07/10/2013 | CN101918346B Optically active 2,2'-biphenol derivative and method for producing the same |
| 07/04/2013 | WO2013057736A3 Preparation of eptifibatide peptide |
| 07/03/2013 | EP2610241A1 Process for production of hydroxyadamantaneamine |
| 07/03/2013 | CN102617816B Preparation method for chiral magnetic microspheres containing substituted acetylene polymer |
| 06/26/2013 | CN102206138B Method for separating and purifying two fragrance precursors from tobacco |
| 06/20/2013 | WO2013089189A1 Optical resolution method for bicyclic compound using hydroxysulfonic acid |
| 06/20/2013 | WO2013089188A1 Optical resolution method for bicyclic compound using asymmetric catalyst |
| 06/11/2013 | US8461388 Process for the synthesis of propargylated aminoindan derivatives |
| 06/06/2013 | WO2013081087A1 Method for preparing optically active compound |
| 06/05/2013 | CN102241555B Method for preparing photoactived amino acid through resolution |
| 05/30/2013 | WO2013043009A3 Preparation method of 1-palmitoyl-3-acetylglycerol, and preparation method of 1-palmitoyl-2-linoleoyl-3-acetylglycerol using same |
| 05/29/2013 | CN102050801B Method for preparing arylpiperazines derivative optical isomer |
| 05/23/2013 | US20130130974 NOVEL SYNTHETIC APPROACH TO beta-AMINOBUTYRYL SUBSTITUTED COMPOUNDS |
| 05/22/2013 | CN103113411A Preparation method of mono-chiral metallic organic frame material with function of splitting chiral amine |
| 05/22/2013 | CN101613292B (S)-3-(1-dimethylaminoethyl)phenol preparation method |
| 05/16/2013 | WO2013069025A1 "process for the preparation of dexmedetomidine" |
| 05/15/2013 | CN103102260A Novel technology for synthesizing S-mandelic acid |
| 05/14/2013 | CA2575802C Methods for the separation of modafinil |
| 05/08/2013 | EP2588429A1 New process for the synthesis of tapentadol and intermediates thereof |
| 05/08/2013 | CN101910188B Process for production of optically active amines |
| 05/02/2013 | WO2013061515A1 Method for producing 3-menthoxy propanol and composition for imparting cooling sensation |
| 05/01/2013 | EP2586769A1 Method for producing (1r, 2s)-1-amino-2-vinyl cyclopropane carboxylic acid ester that has improved optical purity |
| 05/01/2013 | EP1666481B9 3-((3R,4R)-4-Methyl-3-[methyl-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-amino]-piperidinyl)-3-oxo-propionitrile as protein kinase inhibitor |
| 04/25/2013 | WO2013058241A1 Method for producing (r)-2-amino-2-ethylhexanol |
| 04/10/2013 | EP2578575A1 Triazole compound having pest-controlling activity |
| 04/10/2013 | CN103030567A Propranolol medicine enantiomer resolution method |
| 04/03/2013 | EP2574605A1 Processes for preparing cyclopentenones and cyclopentenones for the synthesis of benzindene prostaglandins |
| 04/03/2013 | CN103012280A Method for preparing ambrisentan |
| 04/03/2013 | CN102093152B Method for splitting chiral medicament |
| 04/03/2013 | CN101495427B Resolution of alpha-(phenoxy)phenylacetic acid derivatives with naphthyl-alkylamines |
| 03/28/2013 | WO2013043009A2 Preparation method of 1-palmitoyl-3-acetylglycerol, and preparation method of 1-palmitoyl-2-linoleoyl-3-acetylglycerol using same |
| 03/28/2013 | CA2849289A1 Preparation method of 1-palmitoyl-3-acetylglycerol, and preparation method of 1-palmitoyl-2-linoleoyl-3-acetylglycerol using same |
| 03/27/2013 | CN101863843B Method for producing dihydroquinazolines |
| 03/27/2013 | CN101735069B Method for purifying diastereoisomer amine salt of 2-(1-hydroxypentyl)-benzoic acid |
| 03/21/2013 | WO2012153991A3 Method for preparing chiral α-aminonitrile using a catalyst for a strecker reaction |
| 03/20/2013 | CN102976882A Separation and manipulation of a chiral object |
| 03/14/2013 | US20130066083 Processes and intermediates |
| 03/13/2013 | CN102229584B Method for preparing D-(-)- or L-(+)-pantoic acid lactone by splitting pantoic acid lactone |
| 03/06/2013 | CN102958868A New process for the synthesis of tapentadol and intermediates thereof |
| 03/06/2013 | CN102952100A Method for separating ranolazine by adopting simulated moving bed |
| 03/06/2013 | CN102952029A Reagent and method for resolving 2-hydroxyl-3-methoxy-3,3-diphenyl propionic acid racemate |
| 02/27/2013 | CN102942431A Method for separating chiral compound by using molecular sieves |
| 02/27/2013 | CN102167827B Optically active thermotropic liquid crystal polyesterimide based on trimellitic anhydride, preparation method and application thereof |
| 02/13/2013 | EP2556040A1 Industrial process for the synthesis of (s)-(+)-pregabalin |
| 02/13/2013 | CN102921193A Preparation method of capillary electro-chromatography column taking beta-cyclodextrin as bonded stationary phase and application in chiral drug separation |
| 02/05/2013 | USRE43984 Process for preparing isomers of salbutamol |
| 01/30/2013 | CN102906064A Method for producing (1r, 2s)-1-amino-2-vinyl cyclopropane carboxylic acid ester that has improved optical purity |
| 01/24/2013 | WO2013010618A1 Production of optically pure propane-1,2-diol |
| 01/24/2013 | CA2841089A1 Production of optically pure propane-1,2-diol |
| 01/17/2013 | US20130018194 Octahydrobinaphthol derivative for l/d optical conversion and optical resolution |
| 01/08/2013 | US8350047 Methods of preparing secondary carbinamine compounds with boronic acids |
| 01/08/2013 | CA2521879C Process for resolving amines that are useful for the treatment of disorders associated with insulin resistance syndrome |
| 01/08/2013 | CA2486838C Organic amine salts of glutamic acid derivatives and their application |
| 12/26/2012 | EP2537825A1 Method for producing 1-amino-1-alkoxycarbonyl-2-vinylcyclopropane |
| 12/26/2012 | CN101684071B Method for splitting DL-p-hydroxymandelic acid |
| 12/26/2012 | CN101570506B Novel method for preparing chiral amlodipine |
| 12/26/2012 | CN101331104B Method for producing optically active (4E)-5-chloro-2-isopropyl-4-pentenoic acid or basic amino acid salt thereof |
| 12/19/2012 | CN102834370A Method for producing 1-amino-1-alkoxycarbonyl-2-vinylcyclopropane |
| 12/19/2012 | CN101928214B Method for synthesizing dexketoprofen trometamol |
| 12/13/2012 | WO2012169575A1 Method for manufacturing optically active carboxylic acid ester |
| 12/13/2012 | US20120316361 METHOD OF RESOLUTION OF (RS)- 1,1'-BI-2-NAPHTHOL FOR OBTAINING ENANTIOMERIC PURE I.E. (S)-(-)-1,1'-BI-2-NAPHTHOL AND/OR (R)-(+)-1,1'-BI-2-NAPHTHOL VIA CO-CRYSTAL FORMATION WITH OPTICALLY ACTIVE DERIVATIVES OF y -AMINO ACIDS |
| 12/12/2012 | CN102408427B Preparation method for moxifloxacin intermediate (1S, 6R)-8-benzyl-7, 9-dioxy-2, 8-diazabicyclo [4.3.0] nonane |
| 12/12/2012 | CN102167826B Optically active polyamide imide and preparation method as well as application thereof |