Patents for C07B 53 - Asymmetric syntheses (6,231)
06/2005
06/09/2005DE10353910A1 Verfahren zur Synthese optisch aktiver Piperidine Process for the synthesis of optically active piperidines
06/08/2005EP1538216A1 Process for producing optically active erythro 3-cyclohexylserines
06/08/2005EP1537071A1 Method for the production of optically active 2-amino-,2-chloro-,2-hydroxy or 2-alkoxy-1-alcohols
06/08/2005EP1373269B1 Jun kinase inhibitors
06/08/2005EP1303475B1 Method for producing enantiomer-free 6,8 dihydroxy octanoic acid esters by means of asymmetric, catalytic hydrogenation
06/08/2005CN1625550A Process for the manufacture of organic compounds
06/07/2005US6903220 Synthesis of chiral 2-alkyl amino acids
06/07/2005US6903043 Chiral polymeric salen catalyst, and a process for preparing chiral compounds from racemic epoxides by using them
06/02/2005WO2005049570A1 Method for synthesising optically active piperidines by the hydrogenation of optically active pyridines
06/02/2005WO2005049557A1 Process for producing optically active 2-alkylcysteine, derivative thereof, and processes for production
06/02/2005WO2005028419A3 Asymmetric reductive amination of keto acid derivatives for producing amino acid derivatives
06/02/2005US20050119507 Process for producing optically active beta-trifluoromethyl-beta-hydroxycarbonyl compound
06/02/2005US20050119495 For use as catalysts in asymmetric reactions, such as, hydrogenation, hydride transfer, allylic alkylation, hydrosilylation, hydroboration, hydrovinylation, hydroformylation, olefin metathesis, hydrocarboxylation
06/02/2005US20050119339 2-(S)-4-nitroxybutyl ester of 2-(6-methoxy-2-naphthyl)-propanoic acid; enantiomeric excess
06/01/2005EP1535923A1 Synthesis of acyclic nucleoside derivatives
06/01/2005EP1534699A1 Kinetic resolution method
06/01/2005CN1622937A Process for the manufacture of HMG-coa reductase inhibitors
05/2005
05/31/2005US6900355 Chemical intermediate for sertraline; reductive alklylation of the corresponding cyclohexylideneimine
05/31/2005US6900313 Chiral ionic liquids
05/31/2005CA2195776C Novel process for the preparation of diisopinocampheylchloroborane
05/26/2005WO2004089920A8 Amine-substituted diphenyldiphosphines and the use thereof in metal complexes for asymmetric syntheses
05/25/2005EP1532100A1 Method for the enantioselective hydrogenation of amino alcohols
05/25/2005EP1532097A2 Process for preparing (r)-aryloxypropionic acid ester derivatives
05/25/2005CN1620425A Process for preparing 2-(substituted phenyl) - 2 - hydroxy-ethyl carbamates
05/24/2005US6897332 Process for the cyanation of aldehydes
05/19/2005US20050107620 Method for producing thioctic acid
05/19/2005US20050107468 reacting thioacids with 2-aralkyl acrylic acids in the presence of Lewis acids containing transition metals to from 3-thioacyl-2-aralkylpropionic acids
05/19/2005US20050107433 Process for production of optically active compounds
05/19/2005US20050107248 Metallic catalysts for chemo-, regio-and stereoselective reactions, and corresponding precursors
05/19/2005US20050106692 Reacting an allene derivative containing two hydroxy or two ester groups in presence of esterase or lipase enzyme catalyst with an unsaturated ester when ( both are hydroxy groups) or with water when (both are ester groups); chemical intermediates for medicinal and agricultural active agents
05/18/2005EP1202952B1 Method for producing amines by homogeneously catalyzed reductive amination of carbonyl compounds
05/18/2005CN1202052C Enantioselective reduction of ketones with silane agent/metal compound/chiral ligand system
05/17/2005US6894076 Analgesics
05/12/2005US20050101787 Reaction of metal complex and nitrogen compound to form nitro or nitrile complex
05/11/2005EP1529037A2 Synthesis of 2-alkylcysteines, 2-(hydroxylated phenyl)-4-alkylthiazoline-4-carboxylic acids and derivatives thereof
05/10/2005US6891059 Asymmetric catalytic hydrogenation of specified alkene in presence of solvent and chiral catalyst comprising chiral phosphine ligand to prepare (S)-3-cyano-5-methylhexanoic acid derivative
05/10/2005US6890920 Therapeutic treatment of asthma, chronic obstructive pulmonary disease, rhinorrhea due to the common cold, rhinitis
05/06/2005WO2005040096A1 Process for production of asymmetric alkyl compounds with alkali-treated solid carrier and alkali-treated solid carrier to be used in the process
05/04/2005EP1154979B1 Microbial process for preparing pravastatin
05/03/2005US6888012 Reducing an alpha -haloketone compound by asymmetric hydrogen transfer in presence of a group 9 transition metal compound having a substituted or unsubstituted cyclopentadienyl group and an optically active diamine compound
05/03/2005US6887887 Asymmetric synthesis of (S,S,R)-(-)-actinonin and its analogs and uses therefor
04/2005
04/28/2005WO2005037765A1 CATALYTIC α-ALKYLATION OF ALDEHYDES AND KETONES
04/28/2005US20050090543 Method for the preparation of tetrahydrobenzothiepines
04/27/2005EP1526134A2 Triazolyl tropane derivatives as ccr5 modulators
04/27/2005EP1131323B1 Synthesis of acyclic nucleoside derivatives
04/27/2005CN1610688A Ortho substituted chiral phosphines and phosphinites and their use in asymmetric catalytic reactions
04/27/2005CN1610668A Substituted propane-1, 3-diamine derivatives and the pharmaceutical use
04/27/2005CN1610657A Process for the preparation of intermediates useful in the synthesis of statin derivatives especially 7-amino 3, 5-dihydroxy heptanoic acid derivatives, and intermediates thereof
04/27/2005CN1198786C Process for preparation of naproxene nitroxyalkylesters
04/26/2005US6884893 Selective cleavage of a cycloanhydride derivative by reacting cycloanhydride with a chiral aminoalcohol in an inert solvent to form a monoester
04/26/2005US6884887 Method for producing amines by homogeneously catalyzed reductive amination of carbonyl compounds
04/26/2005US6884750 Chiral salen catalyst and methods for the preparation of chiral compounds from racemic epoxides by using new catalyst
04/26/2005CA2131182C Method for making intermediates useful in synthesis of retroviral protease inhibitors
04/21/2005WO2005016866A3 Process for producing optically actiive beta-amino acid derivatives
04/21/2005US20050085516 2-W-diaminocarboxylic acid compounds
04/21/2005US20050085377 Bisarylphosphines as catalyst
04/20/2005EP1317460A4 Compounds containing oxazolidinone moiety and uses thereof
04/20/2005CN1608074A P-chiral phospholanes and phosphocyclic compounds and their use in asymmetric catalytic reactions
04/20/2005CN1607201A Method for the stereoselective synthesis of cyclic amino acids
04/20/2005CN1607200A Intermediates for preparation of arthropodicidal oxadiazines
04/19/2005CA2192226C Ruthenium complexes with a chiral, bidentate phosphine/oxazoline ligand for enantioselective transfer hydrogenation of prochiral ketones
04/19/2005CA2172162C Optically active imidazolidinone derivative and process for producing the same
04/14/2005US20050080047 Chiral diphosphorus compounds and their transition metal complexes
04/12/2005US6878844 Synthesis of acyclic nucleoside derivatives
04/12/2005US6878842 Process for the enantioselective synthesis of propargyl alcohol derivatives of R configuration from the racemic mixtures thereof
04/12/2005US6878835 Catalyst for asymmetric epoxidation of enones and process for producing optically active epoxide employing it
04/12/2005US6878828 Coupling cysteine with benzonitrile, then esterifying, alkylating, hydrolyzing and reacting with acids to form 2-methylcysteine
04/12/2005US6878665 Diphosphines, their complexes with transisition metals and their use in asymmetric synthesis
04/12/2005CA2194727C Process for the preparation of optically active 3-quinuclidinol
04/07/2005US20050075501 Enantioselective electrophilic fluorinating agent; high yield and selectivity excess
04/07/2005US20050075344 Melanocortin receptor agonists
04/06/2005EP1392656A4 Process for preparing chiral diol sulfones and dihydroxy acid hmg coa reductase inhibitors
04/06/2005EP1250299B1 Chiral ionic liquids
04/06/2005CN1195764C Transition metal complex, preparation method and use thereof
04/05/2005US6875883 Forming a phenyl-thiazoles chemical intermediates for making antioxidants, ferrielectric liquid crystal dopant, picornaviral viricides, antiinflammatory agents, anti-asthma agents, and fibringoen antagonists
04/05/2005US6875882 Ferroelectric liquid crystals, antihistamines, antiinflammatory agents, viricides
04/05/2005US6875867 Process for preparing chiral diol sulfones and dihydroxy acid HMG CoA reductase inhibitors
04/05/2005US6875736 Methods for identifying RNA binding compounds
03/2005
03/31/2005WO2005028419A2 Asymmetric reductive amination of keto acid derivatives for producing amino acid derivatives
03/31/2005WO2005028413A1 Process for producing optically active cyclopropane compound and asymmetric copper complex for use in the same
03/31/2005WO2005007622A3 OPTICALLY ACTIVE QUATERNARY AMMONIUM SALT, PROCESS FOR PRODUCING THE SAME, AND PROCESS FOR PRODUCING OPTICALLY ACTIVE α-AMINO ACID DERIVATIVE WITH THE SAME
03/31/2005WO2004111063A3 Chiral ligands for application in asymmetric syntheses
03/31/2005US20050070605 Reacting an organophosphouus compound with metallized alkane; forming atorvastatin, lorastatin, pitavastatin, fluvastatin
03/31/2005DE10337013A1 New bisarylbisphosphine compounds are used for production of catalysts for asymmetric synthesis
03/30/2005EP1444197B1 Novel phenyl-propargylether derivatives
03/30/2005CN1602300A Process for the preparation of an enantiomerically enriched thio compound
03/30/2005CN1602290A Process for the synthesis of chirally pure beta -amino-alcohols
03/30/2005CN1194960C Method for preparing 4,5-diamino shikimic acid derivative
03/29/2005US6872856 Cyclic ketones, their preparation and their use in the synthesis of amino acids
03/29/2005US6872826 Reacting protected heterocyclic amines in the presence of bases and solvents, to form chemical intermeadiates used as chemokine receptor antagonists
03/24/2005US20050065349 Asymmetric 1,4-reductions of and 1,4-additions to enoates and related systems
03/23/2005EP1516880A1 Chiral phosphines for use in asymmetric synthesis
03/23/2005EP1515962A1 Process for the preaparation of dioxane acetic acid esters
03/23/2005EP1515926A2 Fluorobenzamides suitable for the treatment of alzheimer's disease or senile dementia
03/23/2005CN1599711A Method for the production of dihydroxycarboxylate esters
03/23/2005CN1597675A Process for preparing acids via alpha-chloroepoxy esters
03/23/2005CN1193992C Synthesis of 3.6-dialkyl 5.6-dihydro-4-hydroxide-2H-pyran-2-ketone
03/17/2005WO2005023821A1 Process for producing penicillanic acid compound
03/17/2005WO2004104014A3 Chiral ligands and their transition metal complexes
03/17/2005WO2004089920A3 Amine-substituted diphenyldiphosphines and the use thereof in metal complexes for asymmetric syntheses
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