| Patents for C07B 57 - Separation of optically-active organic compounds (3,737) |
|---|
| 05/26/2011 | US20110124909 Novel process |
| 05/26/2011 | US20110124899 Method for preparing combretastatin |
| 05/25/2011 | CN102076635A Process for isomerization of semicarbazone compounds |
| 05/25/2011 | CN102070470A Method for preparing S(-)2-(N-n-propyl)amino-5-methoxytetralin |
| 05/25/2011 | CN101538242B Synthetic method of Benazepril key intermediate S-amino substance |
| 05/25/2011 | CN101440079B Process for the preparation of racemic citalopram and/or s- or r-citalopram |
| 05/18/2011 | CN102066003A Enantioselective zwitterionic ion-exchanee material |
| 05/18/2011 | CN101333180B Method for preparing levetiracetam intermediate |
| 05/11/2011 | CN102050801A Method for preparing arylpiperazines derivative optical isomer |
| 05/11/2011 | CN101440056B Method for splitting docetaxel side chain intermediate |
| 05/10/2011 | US7938962 Separating agent for enantiomeric isomers and method of producing the same |
| 05/04/2011 | EP1334966B1 Process for preparation of optically active sulfonamides and intermediates for their synthesis |
| 05/04/2011 | CN102040556A Optical isomers of indene quinazoline, preparation method and medicinal application thereof |
| 04/28/2011 | WO2011049155A1 Process for production of quinuclidine compounds |
| 04/26/2011 | CA2345103C (r)-chiral halogenated 1-substitutedamino-(n+1)-alkanols useful for inhibiting cholesteryl ester transfer protein activity |
| 04/21/2011 | US20110092738 Process for preparing 3,3-diarylpropylamines |
| 04/13/2011 | EP2308829A1 A process for preparing r-beta-amino phenylbutyric acid derivatives |
| 04/13/2011 | EP2307336A1 Process for the isomerization of semicarbazone compounds |
| 04/13/2011 | EP2307335A1 Process for the manufacture of racemic 2-aryl-propionic acid |
| 04/13/2011 | CN102015582A Processes for preparing enantiomerically pure diol and dioxolane compounds |
| 04/13/2011 | CN102010400A S-5-substituted-N-2'-(thiofuran-2-yl-) ethyl-1,2,3,4-tetranap-2-amine or chiral hydrochloric acid and application thereof to preparation of rotigotine |
| 04/07/2011 | WO2011010284A3 Chiral stationary phases based on xanthone derivatives |
| 04/06/2011 | EP2305676A1 Synthesis of solifenacin monosuccinate |
| 04/06/2011 | EP2304425A1 Separation and manipulation of a chiral object |
| 04/06/2011 | CN102001904A Novel chiral separation method |
| 04/06/2011 | CN101312783B Improved apparatus and method for temperature controlled processes |
| 03/29/2011 | US7915237 Production of pure stereoisomers of tricyclo[5.2.1.02.6]-dec-9-yl-xanthogenate and medicaments therefrom |
| 03/24/2011 | US20110071298 Processes and Intermediates |
| 03/23/2011 | CN101265200B Secondary resolution method for eptazocine intermediate |
| 03/17/2011 | US20110065937 Method for the separation of intermediates which may be used for the preparation of escitalopram |
| 03/16/2011 | CN101985447A Resolution method of tetrabenazine |
| 03/16/2011 | CN101265215B Method for preparing (S)-citalopram intermediate S-type glycol |
| 03/16/2011 | CN101239913B Chiral tartaric acids derivatives preparation method |
| 03/15/2011 | CA2496708C New process for the synthesis of (1s)-4,5-dimethoxy-1-(methylaminomethyl)-benzocyclobutane and its addition salts and application to the synthesis of ivabradine and its addition salts with a pharmaceutically acceptable acid |
| 03/10/2011 | WO2011026830A1 Method for separation of racemic compound-forming chiral substances by a cyclic crystallization process and a crystallization device |
| 03/10/2011 | WO2011026318A1 S-5-substituent-n-2'-(thiophene-2-yl)ethyl-tetralin-2-amine or chiral acid salts thereof and use for preparing rotigotine |
| 03/09/2011 | EP2292594A1 Method for producing optically active aminoalcohol derivative |
| 03/09/2011 | EP2292306A1 Method for separation of racemic compound-forming chiral substances by a cyclic crystallization process and a crystallization device |
| 03/03/2011 | WO2011024718A1 Separating agent for optical isomer |
| 03/03/2011 | WO2011024691A1 Process for preparation of optically active ethyl 1-amino-2-ethenylcyclopropanecarboxylate |
| 03/03/2011 | US20110054218 Process for the Synthesis of Propargylated Aminoindan Derivatives |
| 02/22/2011 | CA2493451C Method for the production of (s)-3-methylamino-1-(thien-2-yl)propan-1-ol |
| 02/17/2011 | US20110040101 Alanine racemase chiral binaphthol derivative with powerful hydrogen bond donor, and optical resolution and optical transformation methods using the same |
| 02/16/2011 | CN101977899A Manufacturing method for a piperidine-3-ylcarbamate compound and optical resolution method therefor |
| 02/16/2011 | CN101363191B Method for preparing chiral recognition functional fiber |
| 02/15/2011 | CA2450890C Process for the preparation of racemic citalopram and/or s- or r-citalopram by separation of a mixture of r- and s-citalopram |
| 02/10/2011 | US20110034726 Process Of Preparation Of Optically Active Alpha Aminoacetals |
| 02/09/2011 | EP2280974A1 Stereoselective synthesis of certain trifluoromethyl-substituted alcohols |
| 02/09/2011 | CN101967165A Bridge chain bis-Schiff base-cobalt complex and synthesis method thereof as well as application thereof |
| 01/27/2011 | WO2011010579A1 Process for production of optically active nipecotamide |
| 01/26/2011 | EP2276567A1 Enantioselective zwitterionic ion-exchanee material |
| 01/26/2011 | CN101955499A Ferrocene derivative and application thereof |
| 01/26/2011 | CN101955462A Fenticonazole nitrate, preparation of levorotatory form and dextrorotatory form and application of levorotatory form in preparing antifungal medicaments |
| 01/20/2011 | WO2010120138A3 Chiral salicylaldehyde compound and chiral naphtholaldehyde compound for l / d optical transformation of amino acid, and optical resolution of amino acid and aminoalcohol |
| 01/19/2011 | CN101952252A Method for optical resolution of alkylpiperidin-3-yl carbamate and intermediate therefor |
| 01/13/2011 | WO2011004778A1 Method for producing optically active compound |
| 01/12/2011 | EP2271602A2 Surfactant-based monolithic columns, methods for making the same, and methods for using the same |
| 01/12/2011 | CN101942029A Chiral magnetic nano-particles and preparation and application thereof |
| 01/12/2011 | CN101940947A Method for preparing polystyrene resin-immobilized Salon-Co (III) catalyst |
| 01/05/2011 | EP2269986A1 Manufacturing method for a piperidine-3-ylcarbamate compound and optical resolution method therefor |
| 12/29/2010 | CN101928289A Method for preparing dipeptidyl peptidase-IV inhibitor |
| 12/29/2010 | CN101928229A Process method for producing L-2-aminobutanamide hydrochloride serving as intermediate of levetiracetam |
| 12/29/2010 | CN101928214A Method for synthesizing dexketoprofen trometamol |
| 12/29/2010 | CN101468986B Method for splitting dihydropyrimidine racemic compound |
| 12/22/2010 | CN1911937B Stabilizers to inhibit the polymerization of substituted cyclotetrasiloxane |
| 12/22/2010 | CN101921285A Method of solvothermal synthesis of D-tartaric acid rare earth complex |
| 12/16/2010 | WO2010143409A1 Processes for production of optically active thiazolylalanine derivative and salt thereof |
| 12/15/2010 | CN101918346A Optically active 2,2'-biphenol derivative and method for producing the same |
| 12/14/2010 | CA2591566C Process for the preparation of an aminoalcohol |
| 12/14/2010 | CA2586175C Anticancer compound and enantiomer separation method useful for synthesizing said compound |
| 12/09/2010 | WO2010110555A3 Method for obtaining optically pure amino acids |
| 12/09/2010 | US20100312010 Process for the Preparation of (S)-Pregabalin |
| 12/08/2010 | CN101910188A Process for production of optically active amines |
| 12/08/2010 | CN101910101A Method for purifying optically active 1-(2-trifluoromethylphenyl)ethanol |
| 12/08/2010 | CN101014555B Methods for the separation of modafinil |
| 12/07/2010 | CA2281973C Cross-linked polymers based on bis-silane, bis-thioether, bis-sulfoxide, bis-sulfone and butane di-yl derivatives of polysaccharides and oligosaccharides, and their forming into substrate materials |
| 12/01/2010 | CN101899062A Synthesis technology of alpha-chiral boric acid and boric acid ester |
| 11/30/2010 | CA2495118C Method for the separation of intermediates which may be used for the preparation of escitalopram |
| 11/30/2010 | CA2426277C Process for preparation of optically active sulfonamides and intermediates for their synthesis |
| 11/24/2010 | CN101074217B Method for obtaining endicawil critical intermediate by chromatogram separation |
| 11/23/2010 | US7838700 Solvent extraction; neutralization with base ; crystallization from aqueous solution containing mineral acids |
| 11/17/2010 | EP2251316A1 Method for producing optically active ester and method for producing optically active carboxylic acid |
| 11/17/2010 | EP2250143A2 Method for the enzymatic kinetic resolution of acyloxyalkyl thiocarbonates used for the synthesis of acyloxyalkyl carbamates |
| 11/17/2010 | EP0773940B2 Process for synthesis of substituted sulphoxides |
| 11/16/2010 | US7834200 Processes and intermediates |
| 11/11/2010 | WO2010128517A1 Improved process for the preparation of d-threo-ritalinic acid hydrochloride by resolution of dl-threo-ritalinic acid using chiral carboxylic acid |
| 11/10/2010 | EP2248803A1 Method for optical resolution of alkylpiperidin-3-yl carbamate and intermediate therefor |
| 11/10/2010 | EP2248795A1 Method for purifying optically active 1-(2-trifluoromethylphenyl)ethanol |
| 11/10/2010 | EP1397335B1 Resolution process for (r)-(-)-2-hydroxy-2-(2-chlorophenyl)acetic acid |
| 11/03/2010 | EP2246356A1 Process for production of optically active amines |
| 11/02/2010 | US7825240 Use in the form of membranes in processes using percolation through membranes for the separation or the preparation of enantiomers |
| 10/27/2010 | CN101870660A Preparation method of L-(-)-ephedrine chloride and d-(+)-pseudoephedrine hydrochloride |
| 10/27/2010 | CN101024621B 2-nitro-benzoyl-imino-acenaphthylene derivative compound and use thereof |
| 10/26/2010 | US7820715 Chemical intermediates; neurodegenerative disorders |
| 10/21/2010 | WO2010120138A2 Chiral salicylaldehyde compound and chiral naphtholaldehyde compound for l / d optical transformation of amino acid, and optical resolution of amino acid and aminoalcohol |
| 10/20/2010 | EP2241545A1 Optically active 2,2'-biphenol derivative and method for producing the same |
| 10/20/2010 | CN101863843A Method for producing dihydroquinazolines |
| 10/19/2010 | CA2396661C Method for producing optically active amines |
| 10/13/2010 | EP2239565A1 Optical-isomer separating agent for chromatography and process for producing the same |
| 10/12/2010 | CA2451132C Process for the preparation of racemic and enantiomerically pure derivatives of 1,5-diaryl-3-trifluoromethyl-.delta.2-pyrazolines |