Patents
Patents for C07B 57 - Separation of optically-active organic compounds (3,737)
07/2002
07/24/2002CN1359887A Production of optically active 2-halo-2-(substd. phenyl) ethanol and oxidized substd. styrene
07/17/2002EP0813546B1 Photochemically cross-linked polysaccharide derivatives as supports for the chromatographic separation of enantiomers
07/11/2002US20020091280 Chiral ferrocene phosphines and their use in asymmetric catalytic reactions
07/10/2002CN1358170A Process for preparing (-)-(1S, 4R) N-protected 4-amino-2-cyclopentene-1-carboxylate esters
07/04/2002WO2001062257A3 Bupropion metabolites and methods of their synthesis and use
07/04/2002US20020086904 Methods of treating affective disorders using derivatives of (-)- venlafaxine
07/03/2002EP0671975B2 Chiral adsorbents and preparation thereof as well as compounds on which the adsorbents are based and preparation of these compounds
06/2002
06/27/2002WO2002028809A3 Dynamic resolution of isomers and resolved isomers
06/25/2002US6410787 Process to prepare 2-aminoindan derivatives
06/25/2002US6409923 Method for enriching optical isomers by means of simulated mobile bed
06/25/2002US6409769 Kinetic resolution of olefins
06/20/2002WO2002018035A3 Liquid membrane separation of enantiomers
06/20/2002WO2002004384A3 Process for preparing (-)menthol and similar compounds
06/13/2002WO2001039884A3 Chiral catalysts for asymmetric acylation and related transformations
06/12/2002EP1212291A1 Cyclopropane carboxylic acid amides, the production and the use thereof
06/11/2002US6403824 Process for the preparation for 4,5-diamino shikimic acid derivatives
06/11/2002US6402898 Coherently controlled laser distillation of chiral enantiomers
06/06/2002WO2002044177A2 Resolution of trans-7-(hydroxy-methyl)octa-hydro-2h-pyrido-1,2a)pyrazine
06/06/2002WO2002044142A2 Piperazine derivatives, their preparation and their use for treating central nervous system (cns) disorders
06/06/2002WO2001094333A3 Process for the preparation of benzoyl substituted bicyclic compounds and chiral benzopyran derivatives
06/06/2002CA2430305A1 Resolution of trans-7-(hydroxy-methyl)octa-hydro-2h-pyrido-1,2a)pyrazine
06/05/2002CN1352629A Method for the recemization of optically active amines
06/04/2002US6399826 Salts of sibutramine metabolites, methods of making sibutramine metabolites and intermediates useful in the same, and methods of treating pain
05/2002
05/30/2002WO2002042346A1 Optically active polymer with epoxide functions, method for preparing same, and use thereof
05/30/2002WO2002042243A1 Processes for preparation of tetrahydronaphthalene derivatives
05/29/2002EP1208079A1 Enantiomerically-enriched compounds having photocleavable bond(s) and methods related thereto
05/23/2002US20020061994 Optically active poly (N-methylbenzylmaleimide), method for its production and its use
05/22/2002EP1206443A2 Process for preparing (-)-(1s,4r) n-protected 4-amino-2-cyclopentene-1-carboxylate esters
05/21/2002US6391862 Chiral resolving agents for enantioseparations
05/16/2002US20020058814 Process for the preparation of enantiomerically pure (5,5'-dichloro-6,6'-dimethoxy-biphenyl-2,2'-diyl)- bis(diphenylphosphine oxides)
05/16/2002US20020058763 Chloro-, hydroxy- and alkoxysilane derivatives of polysaccharides or oligosaccharides, polymerizable and cross-linkable, their synthesis and their use as sources of novel support materials
05/16/2002US20020058588 Particularly valuable as a chiral stationary phase in enantiomeric separations and enantiomeric analysis.
05/16/2002DE10056310A1 Verbessertes Verfahren zur Herstellung von enantiomerenreinen(5,5`-Dichlor-6,6`-dimethoxybiphenyl-2,2`-diyl)-bis-(diphenylphosphinoxiden) An improved process for the preparation of enantiomerically pure (5,5`-dichloro-6,6`-dimethoxybiphenyl-2,2`-diyl) bis (diphenylphosphinoxiden)
05/15/2002EP1205486A1 Improved method for the preparation of enantiomerically pure (5,5'-dichloro-6,6'-dimethoxybiphenyl-2,2'-diyl)-bis-(diphenylphosphine oxides)
05/15/2002EP1204636A1 3-oxopropane-1-sulphonic acids and sulphonates
05/10/2002WO2002036544A1 Method of resolving optical isomers of amino acid derivative
05/10/2002WO2002036526A1 Screening for optimal yield in the crystallisation of multicomponent systems
05/10/2002WO2001034599A9 Protease inhibitors
05/10/2002CA2428205A1 Screening for optimal yield in the crystallisation of multicomponent systems
05/09/2002US20020055653 Diphosphines
05/02/2002US20020052524 Process for preparing (-)-(1S, 4R) N-protected 4-amino-2-cyclopentene-1-carboxylate esters
05/02/2002US20020052515 Ammonium 3,5,6-trihydroxyhexanoate derivatives and preparation process thereof
05/02/2002US20020052341 Bupropion metabolites and methods of their synthesis and use
05/01/2002CN1347409A (-)-Enantiomer of 2-[2-(1-chlorocyclopropyl)-3-(2-chlorophenyl)-2-hydroxypropyl]-2,4-dihydro-[1,2,4]-triazole-3-thione
04/2002
04/30/2002US6379552 Method for resolving optical isomers
04/25/2002WO2002032859A1 Process for preparation of optically active sulfonamides and intermediates for their synthesis
04/18/2002WO2002030919A1 SYNTHESIS OF R(+)α-LIPOIC ACID
04/18/2002WO2002030918A2 PROCESS FOR THE PRODUCTION OF R(+)α-LIPOIC ACID
04/18/2002WO2002030903A1 Process for producign optically active ethyl (3r,5s,6e)-7-[2-cyclopropyl-4-(4-fluorophenyl)quinolin-3-yl]-3,5-dihydroxy-6-heptenoate
04/18/2002WO2002030853A1 Packing material for separation of optical isomer and method of separating optical isomer with the same
04/17/2002EP0854846B1 Method of resolving racemic mixtures
04/16/2002US6372936 Reacting amino protected racemic 3-amino-2-methyl propionic acid with enantiomer of chiral amine to form diastereomeric salts, recrystallizing salts from ethyl acetate to separate, releasing resolved acid with solution of inorganic base
04/11/2002WO2002029412A2 Selective binding materials
04/11/2002WO2002028809A2 Dynamic resolution of isomers and resolved isomers
04/11/2002CA2424280A1 Dynamic resolution of isomers and resolved isomers
04/10/2002CN1344241A Method of industrial-scale purification of lactic acid
04/04/2002DE10044793A1 Diphosphine Diphosphines
04/03/2002EP1192145A1 Process for preparing chiral cyclopropane carboxylic acids and acyl guanidines
04/03/2002EP1026135B1 Production of optically active 2-halo-1-(substituted phenyl)-ethanol and substituted styrene oxide
04/02/2002US6365755 Ammonium 3,5,6-trihydroxyhexanoate derivatives and preparation process thereof
03/2002
03/28/2002WO2002024628A1 PROCESS FOR PRODUCING OPTICALLY ACTIVE β-AMINO ACID DERIVATIVE
03/27/2002EP1191043A1 Separating medium, method for its production and its use
03/21/2002WO2001068729A8 Compositions and methods for selectively binding amines or amino acid enantiomers over their counter-enantiomers
03/20/2002EP0782569B1 Racemisation process used in the manufacture of levobupivacaine and analogues thereof
03/14/2002WO2002020529A1 Method for obtaining 4-(n-alkylamine)-5, 6-dihydro-4h-thieno-(2,3-b)-thiopyran-2-sulfamide-7, 7-dioxides and intermediate products
03/14/2002US20020032338 Enantiomerically pure compounds by reacting water and carbocycle or heterocycle having an electrophilic center in the presence of an asymmetric tetradentate ligand complexed with a metal atom, which has a geometric shape
03/14/2002US20020032329 Method for the preparation of tetrahydrobenzothiepines
03/13/2002EP1186609A2 Diphosphines
03/13/2002EP1185498A2 Synthesis of optically active cyclohexylphenylglycolic acid and its esters
03/12/2002CA2099262C (-)-[[4-(1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl) phenyl]hydrazono]propanedinitrile
03/11/2002CA2357261A1 Diphosphines
03/07/2002WO2002018035A2 Liquid membrane separation of enantiomers
03/06/2002EP1184380A1 Ammonium 3,5,6-trihydroxyhexanoate derivatives and preparation process thereof
02/2002
02/28/2002WO2002015906A1 2-3-disubstituted quinuclidines as modulators of monoamine transporters and therapeutic and diagnostic methods based thereon
02/28/2002WO2001038292A3 Method for producing optically active amines
02/28/2002CA2420235A1 2-3-disubstituted quinuclidines as modulators of monoamine transporters and therapeutic and diagnostic methods based thereon
02/27/2002CN1337934A Method for the racemization of optically active amines
02/27/2002CN1337932A Use of substituted 4-biarylbutyric and 5-biarylpentanoic acid derivatives as matrix metalloprotease inhibitors for the treamtent of respiratory diseases
02/23/2002CA2348166A1 Ammonium 3,5,6-trihydroxyhexanoate derivatives and preparation process thereof
02/21/2002WO2001085668A8 Optically active 2-aminotetralin derivatives, the processes for the preparation thereof and the therapeutical use of pharmaceutical compositions containing them
02/14/2002US20020019570 Novel process for preparing (+)-cis-sertraline
02/14/2002US20020019521 Separation of olefinic isomers
02/14/2002US20020019491 Separation of enantiomorphs
02/12/2002US6346652 Desymmetrization, catalysis with amine metal substrate
02/12/2002US6346632 Crystallization of esters of methoxyphenylglycidic acid from alcohol solvents
02/12/2002US6346616 Chloro-, hydroxy- and alkoxysilane derivatives of polysaccharides or oligosaccharides, polymerizable and cross-linkable, their synthesis and their use as sources of novel support materials
02/07/2002WO2002010150A1 2,2-disubstituted 1,3-dioxolanes as antitussive agents
02/07/2002WO2002010096A1 Kinetic resolutions of chiral 2- and 3-substituted carboxylic acids
02/07/2002US20020016465 Process for the preparation of the mesylate salt trihydrate of 1-(4-hydroxyphenyl)-2-(4-hydroxy-4-phenylpiperidin-1-yl)-1-propanol
02/07/2002CA2416303A1 Kinetic resolutions of chiral 2- and 3-substituted carboxylic acids
02/05/2002US6344121 Preparative chiral separations
01/2002
01/31/2002WO2002008208A1 Process for the preparation of optically active thiazolidinone derivatives
01/31/2002WO2001055060A3 Chiral ionic liquids
01/29/2002US6342592 Chiral compounds, their synthesis and use as a support
01/29/2002US6342533 Antidepressants udes for bipolar and attention deficit disorders, hyperactivity, parkinson's disease, epilepsy, eating disorders
01/29/2002CA2021342C Resolution process of intermediates useful for the preparation of diltiazem
01/24/2002US20020010360 Process for the preparation of aminoalcohol derivatives and their further conversion to (1R, 4S)-4-((2-amino-6-chloro-5-formamido-4-pyrimidinyl)-amino)-2-cyclopentenyl-1- methanol
01/24/2002DE10033565A1 Screening for the suitability of racemate-resolving reagents and/or racemate resolution conditions comprises determination of the enantiomer excess in diastereomer extraction tests
01/23/2002EP1173425A1 (-)-enantiomer of the 2- 2-(1- chlorocyclopropyl)-3- (2-chlorophenyl) -2- hydroxypropyl] -2,4- dihydro- 1,2,4] -triazole -3-thione
01/17/2002WO2002004384A2 Process for preparing (-)menthol and similar compounds
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