Patents
Patents for C07B 57 - Separation of optically-active organic compounds (3,737)
12/2012
12/06/2012WO2012165499A1 Triazole compound and use thereof
12/04/2012USRE43844 Process for preparing isomers of salbutamol
12/04/2012CA2557274C Method for producing monatin
12/04/2012CA2481708C Process for the preparation of primary amines
11/2012
11/22/2012WO2012158099A1 A process for the preparation of benzyl [(3as,4r,6s,6ar)-6-hydroxy-2,2- dimethyltetrahydro-3ah-cyclopenta[d][1,3]dioxol]-4-yl]carbamate and intermediates in the process
11/22/2012CA2834935A1 A process for the preparation of benzyl [(3as,4r,6s,6ar)-6-hydroxy-2,2-dimethyltetrahydro-3ah-cyclopenta[d][1,3]dioxol]-4-yl]carbamate and intermediates in the process
11/21/2012CN101429186B Split method for pinocembrin racemate
11/21/2012CN101314559B Preparation of aromatic chirality secondary alcohol compounds
11/15/2012WO2012153991A2 Method for preparing chiral α-aminonitrile using a catalyst for a strecker reaction
11/15/2012WO2012152779A1 Process of separating chiral isomers of chroman compounds and their derivatives and precursors
11/14/2012EP2522647A1 Process of separating chiral isomers of chroman compounds and their derivatives and precursors
11/14/2012CN202527174U Reaction kettle for detachably producing D-ethyl ester by using DL-ethyl ester
11/07/2012CN102766005A Chiral compound separation method based on nano gold modified by aptamer
11/01/2012WO2012147020A1 An improved process for the preparation of frovatriptan
10/2012
10/31/2012EP2518050A1 Process for production of optically active 3-substituted glutaric acid monoamide
10/31/2012CN101955462B Fenticonazole nitrate, preparation of levorotatory form and dextrorotatory form and application of levorotatory form in preparing antifungal medicaments
10/26/2012WO2012142983A1 Optically active salts of (3ar,4s,6r,6as)-6-amino-2,2-dimethyltetrahydro-3ah- cyclopenta-[d] [1,3]dioxol-4-ol and a method of their preparation
10/24/2012EP2513017A1 Process for the resolution of enantiomers by preferential evaporative crystallization
10/23/2012US8293929 Processes and intermediates
10/17/2012EP2509933A1 Kinetic resolution
10/17/2012CN102728236A Coordination polymer membrane material, preparation method for same and application of same in membrane separation
10/17/2012CN101056849B Process for the preparation of enantiomers of amidoacetonitrile compounds from their racemates
10/16/2012US8288587 Chelate compounds
10/11/2012WO2012137047A1 A process for preparing fesoterodine
10/11/2012US20120259127 Process for the resolution of enantiomers by preferential evaporative crystallization
10/10/2012CN102718713A Chiral ionic liquid magnetic nanoparticle product and preparation method and application thereof
10/03/2012CN102702447A Hyperbranched modified molecular engram polymer and application thereof
09/2012
09/27/2012US20120245379 PROCESS FOR THE PREPARATION OF ENANTIOMERICALLY PURE tert-LEUCINE
09/26/2012EP2502897A1 Method for producing optically active bicyclo [3.1.0]hexane derivative using oxygen
09/25/2012US8273916 Crystal comprising (2R)-2-propyloctanoic acid and amine
09/19/2012EP1666481B1 3-((3R,4R)-4-Methyl-3-[methyl-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-amino]-piperidinyl)-3-oxo-propionitrile as protein kinase inhibitor
09/19/2012CN102686558A Process for production of optically active 3-substituted glutaric acid monoamide
09/19/2012CN102675178A Separation method of dextrorotatory body in levogyration and dextrorotation recovered liquid
09/19/2012CN102675053A Method for preparing enantiopure (S)-1,1'-co-2-naphthol and enantiopure (R)-1,1'-co-2-naphthol conveniently and simply
09/18/2012CA2676712C New process for the resolution of enantiomers of (3,4-dimethoxy-bicyclo¬4.2.0|octa-1,3,5-trien-7-yl)nitrile and application in the synthesis of ivabradine
09/13/2012WO2012121068A1 Method of producing optically active 1-amino-2-vinylcyclopropane carboxylic acid ester
09/13/2012US20120232157 Methods of using derivatives of (-)-venlafaxine
09/12/2012CN102667466A Separating agent for optical isomer
09/12/2012CN102659981A Temperature sensitive type microgel modified by L-amino acid
09/12/2012CN102659974A pH response type gel modified by L-amino acid
09/12/2012CN102659495A Method for separating chiral drugs by using oligonucleotides
09/07/2012WO2012116752A1 Process of resolution of 1-aminoindan
09/07/2012WO2012081885A3 Enantiomerically pure binaphthol derivatives and method for preparing the same
09/05/2012CN101967165B Bridge chain bis-Schiff base-cobalt complex and synthesis method thereof as well as application thereof
09/05/2012CN101955499B Ferrocene derivative and application thereof
09/05/2012CN101544597B Method for preparing amlodipine
08/2012
08/30/2012WO2012072663A9 Separation of triazine derivatives enantiomers using tartaric acid
08/23/2012DE102011012000A1 Producing optically pure diastereomers from racemic mixtures, where the method does not make use of traditional fermentation biotechnology process and thus it is energy-, water- and capital-intensive
08/22/2012CN1876628B Method for preparing levocysteine and dextral cysteine using chemical resolution method
08/22/2012CN101585835B Preparation method and application of bencycloquidium bromide optical isomer and composition of bencycloquidium bromide optical isomer
08/15/2012EP2486032A2 Optical resolution of substituted 2-(2- pyridinylmethylsulphinyl)-1h-benzimidazoles
08/15/2012CN102633892A Polysaccharide derivative and separating agent for optical isomer containing the same
08/15/2012CN102633692A Method for preparing optically active L-D-3-bromocamphor-8-sulfonic acid
08/15/2012CN102633658A Method for resolving 3-amino-3-phenylpropanol
08/15/2012CN102633583A Method of using oligonucleotide for chiral drug resolution
08/08/2012CN102627723A Temperature response type chiral polymer hydrosol with branched chain structure
08/02/2012US20120197040 Method for separation of racemic compound-forming chiral substances by a cyclic crystallization process and a crystallization device
08/01/2012CN102617816A Preparation method for chiral magnetic microspheres containing substituted acetylene polymer
07/2012
07/25/2012CN102603592A Preparation method for (R)-1-benzyl-3-aminopyrrolidine and (S)-1-benzyl-3-aminopyrrolidine
07/25/2012CN102603518A Resolution method for 2-chloromandelic acid by crystalizing diastereomeric salts
07/19/2012WO2012070896A3 Synthetic method of enantiomerically pure 2,2'-dihydroxy-1,1'-binaphthyl-3-carboxylic acid
07/18/2012EP2476676A1 S-5-substituent-n-2'-(thiophene-2-yl)ethyl-tetralin-2-amine or chiral acid salts thereof and use for preparing rotigotine
07/18/2012EP1812385B1 Process for the preparation of enantiomers of amidoacetonitrile compounds from their racemates
07/12/2012WO2012093165A1 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
07/12/2012CA2823103A1 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
07/11/2012EP1968916B1 Process for the separation of optical isomers of the corey lactone
07/11/2012EP1470121B1 Pyrimidine derivatives as rho-kinase inhibitors
07/11/2012CN102558422A Porous pH-sensitive P(AAc-co-AAPheEt) chiral hydrogel
07/11/2012CN102558170A Method for preparing optically pure cis apovincaminic acid ester
07/11/2012CN102558130A 2-(4-fluorine phenyl)-3-nitryl-8-ethyoxyl-2H-benzopyran chiral compound and preparation method and application thereof
07/11/2012CN102557851A New method for synthesizing tapentadol hydrochloride and analogue of tapentadol hydrochloride
07/04/2012EP2472255A1 Separating agent for optical isomer
07/04/2012EP2471775A1 Manufacturing method for a piperidine-3-ylcarbamate compound and optical resolution method therefor
06/2012
06/27/2012CN102516114A R-(-)-2-amino-3-methoxyl-N-benzyl propionamide-D-tartrate and preparation method thereof
06/27/2012CN102516068A Method for splitting ketoprofen enantiomer by temperature gradient simulated moving bed chromatogram
06/27/2012CN102516002A Preparation technology of optically pure alpha-hydroxy acid and derivatives of the optically pure alpha-hydroxy acid
06/21/2012WO2012081885A2 Enantiomerically pure binaphthol derivatives and method for preparing the same
06/20/2012EP0748247B1 Macrocyclic antibiotics as separation agents
06/12/2012US8198485 Resolution of 4,5-dimethoxy-1-(methylaminomenthyl)-benzocyclobutane
06/07/2012WO2012072663A1 Separation of triazine derivatives enantiomers using tartaric acid
06/07/2012CA2816357A1 Separation of triazine derivatives enantiomers using tartaric acid
06/06/2012CN101287692B Process for producing optically active fluorobenzyl alcohol
05/2012
05/31/2012WO2012070896A2 Synthetic method of enantiomerically pure 2,2'-dihydroxy-1,1'-binaphthyl-3-carboxylic acid
05/30/2012EP2457899A1 Process for production of optically active nipecotamide
05/30/2012CN102482200A 光学活性的1-氨基-2-乙烯基环丙甲酸乙酯的制造方法 Optically active 1-amino-2-cyclopropylmethyl method for producing a vinyl carboxylate
05/29/2012US8188129 Microbicide for crop protection and industrial materials against fungi, bacteria, yeasts, algae, slime organisms; treat adhesives, sizing, paper, board, textile, leather, wood, paint, plastic article, cooling lubricant, or heat-transfer liquid; room temperature chromatography; silica gel, ethyl acetate
05/23/2012CN102471267A 光学活性3-哌啶甲酰胺的制造方法 The method of producing optically active 3-piperidine carboxamide
05/23/2012CN102471266A 光学活性化合物的制造方法 Method for producing an optically active compound
05/23/2012CN102040556B Optical isomers of indene quinazoline, preparation method and medicinal application thereof
05/23/2012CN101434552B Method for splitting 4,5- dimethoxy-1-(methyl amino methyl)-benzocyclobutane
05/22/2012CA2281969C Polymerizable and cross-linkable chloro-, hydroxy- and alkoxysilane derivatives of polysaccharides or oligosaccharides, their synthesis and use as sources of new substrate materials
05/10/2012WO2012059797A1 Process for synthesis of (s) - pregabalin
05/09/2012CN102442994A Racemization method of S-lipoic acid and preparing method of R-lipoic acid
05/09/2012CN102442981A Method for splitting gamma-dodecalactone chiral molecule
05/09/2012CN101942029B Chiral magnetic nano-particles and preparation and application thereof
05/02/2012CN102432746A Temperature-responsive L-amino-acid-modified chiral high-molecular hydrogel
05/02/2012CN102432413A Purification method for improving chiral purity of D-amino acid
05/02/2012CN101798280B Method for preparing S-(-)-amlodipine and R-(+)-amlodipine by chirally resolving racemic amlodipine
04/2012
04/18/2012CN102421748A 制备光学纯氨基酸的方法 The method of preparation of optically pure amino acids
04/17/2012CA2507944C Process for producing (4e)-5-chloro-2-isopropyl-4-pentenoate and optically active form thereof
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