Patents for C07B 53 - Asymmetric syntheses (6,231)
03/2006
03/15/2006EP1633762A1 Ligands
03/15/2006EP1633477A1 Diphosphines, preparation and uses thereof
03/15/2006CN1245394C Substituted phenylacetamides and their use as glucokinase activators
03/09/2006US20060052388 Amine and amide derivatives as ligands for the neuropeptide Y Y5 receptor useful in the treatment of obesity and other disorders
03/08/2006CN1244585C Synthesis of silicyl camptothecins and silicyl homo camptothecins
03/08/2006CN1244565C New asymmetric process for preparation of diarylmethylpiperazines derivatives and novel asymmetric diarylmetylamines as intermediates
03/07/2006US7009078 halogenating in the 5-position and hydroxylating in the 4-position under lactonization, replacing halogen with azide, amidating lactone, then transferring the azide to the amine group
03/07/2006US7009065 bidentate organophosphorous ferrocenyl ligands that create a highly asymmetric coordination sphere
03/07/2006US7009049 Syntheses of quinazolinones
03/01/2006EP1628985A2 Chiral ligands and their transition metal complexes
03/01/2006EP1628762A1 Catalytic composition and process for asymmetric hydrogenation
03/01/2006CN1740152A Double functional group L-proline derivative with adjustable catalytic activity and its prepn
02/2006
02/28/2006US7005521 Catalytic compositions and methods for asymmetric allylic alkylation
02/23/2006US20060041169 Preparation of n-substituted 2,7-dialkyl-4-hydroxy-5-amino-8-aryl-octanoyl amides
02/23/2006US20060041130 Syntheses of quinazolinones
02/22/2006EP1355912B1 Ligands and their use
02/22/2006EP1131278B1 Process for production of esters
02/22/2006CN1738679A Diphosphines, preparation and uses thereof
02/22/2006CN1737005A Chiral diphosphor compound an transition metal complex thereof
02/22/2006CN1243005C Process for preparation of taxan derivatives
02/21/2006US7002036 For production of (poly)peptides; comprises Michael-type addition of nucleophile to a dialkyl 2-methylidenylpropan-1,3-dioate and conversion of ester to amino moiety
02/21/2006CA2203749C 2,2'-disubstituted 1,1'-diphosphino-ferrocenes and 1',2-disubstituted 1-phosphino-ferrocenes, processes for preparing them, their use, and transition metal complexes comprising them
02/16/2006WO2006016517A1 Process for producing optically active 2-substituent-oxy-3-(4-substituent-oxyphenyl)­propionic acid derivative
02/15/2006CN1735459A Hydrogenation catalysts
02/15/2006CN1733782A Dicyclopentadienyl iron pocket ligand possessing central chirality and planar chirality, synthesis method and uses
02/08/2006EP1623980A1 Preparation of arthropodicidal oxadiazines
02/08/2006EP1623971A1 Asymmetric-synthesis catalyst based on chiral broensted acid and method of asymmetric synthesis with the catalyst
02/08/2006EP1622920A1 Substituted ferrocenyldiphosphines as ligands for homogeneous hydrogenation catalysts
02/08/2006EP1622918A2 Phospholane salts and their use in enantioselective hydrogenation
02/08/2006EP1414463A4 Asymmetric synthesis of kavalactones
02/08/2006CN1240646C Process for preparing (-) menthol and similar compounds
02/02/2006WO2006012027A1 Ruthenium complexes of phosphine-aminophosphine ligands
02/01/2006EP0901996B1 Process for producing optically active amines
02/01/2006EP0817765B1 Stereoselective ring opening reactions
01/2006
01/31/2006US6992204 Method for the selective production of racemic metallocene complexes
01/31/2006US6992201 Process for preparing phosphites and transition metal complexes
01/25/2006EP1619186A1 Method for obtaining pure enantiomers of a pyridazinone derivative
01/25/2006EP1296912B1 Process for the preparation of (r)-2-alkyl-3-phenyl-1-propanols
01/24/2006USRE38947 Method of enantioselectively catalyzing a reaction
01/24/2006US6989461 Containing a transition metal compound selected from ruthenium and rhodium, a chiral ligand containing a cyclic (R'R"NP)-(O-R-O-) group
01/24/2006US6989450 Aldol condensation of a ketonic compound containing free or protected alcohol group with a acid or or metallic salt group containing compound to form intermediate, performing macrolactonizing of the intermediate
01/19/2006US20060014981 metal complexes for used in hydrogenation, hydroformylation, hydroboration, hydrosilylation, hydrovinylation, hydroamination, epoxidation, hydroxylation, Michael addition, aldol addition, Diels-Alder reaction; enantioselective
01/19/2006DE102004031947A1 Preparation of an organo zinc compound, useful to prepare enantiomer-enriched chiral products, comprises demetallizing an organometal compound with a zinc salt to form organo zinc compound and a salt of another metal
01/18/2006CN1721407A New asymmetric process for the preparation of diarylmethylpiperazines derivatives and novel asymmetric diarylmetylamines as intermediates
01/17/2006US6987202 Phosphine compounds, transition metal complexes with the compounds contained as ligands therein, and asymmetric synthesis catalysts containing the complexes
01/11/2006EP1385814A4 Enantiomerically selective cyclopropanation
01/10/2006US6984744 Phosphine ligands
01/10/2006US6984739 Process for preparing R-(−)-carnitin from S-(−)-chlorosuccinic acid or from a derivative thereof
01/10/2006US6984642 for treating cardiovascular disorders, for example for the acute and chronic treatment of ischaemic disorders
01/10/2006CA2396090C Asymmetric synthesis of pregabalin
01/05/2006DE102004027772A1 Bistropylidenamine und deren Verwendung Bistropylidenamine and their use
01/05/2006DE102004027771A1 Tropylidenamine und deren Verwendung Tropylidenamine and their use
01/04/2006EP1611114A2 Amine-substituted diphenyldiphosphines
01/04/2006CN1717410A Bidentate C, P chiral phosphine ligands
01/04/2006CN1717376A Catalytic hydrogeneration of carbon-heteroatom double bonds
01/04/2006CN1234679C Shortened synthesis of 3, 3-diaryl propylamine derivatives
01/03/2006US6982335 Synthesis of substituted thiazoline carboxylic acids
01/03/2006US6982329 provides synthetic methodology that may be employed to prepare steroid compounds having specified chemical functionality; steroids containing cyclohexene moiety are oxidized to corresponding alpha , beta -unsaturated ketone
01/03/2006CA2383203C Ligands and asymmetric catalysts made by using the same
12/2005
12/29/2005US20050288531 Phosphine compounds, transition metal complexes with the compounds contained as ligands therein, and asymmetric synthesis catalysts containing the complexes
12/29/2005US20050288523 Chiral diphosphorus compounds and transition metal complexes thereof
12/28/2005EP1289655B1 A method for preparing chiral compounds from racemic epoxides using chiral salen catalysts
12/28/2005CN1233648C Chiral salen catalyst and methods for prepn. of chirol compounds from racemic epoxides by using new catalyst
12/27/2005CA2206799C Small molecule inhibitors of rotamase enzyme activity
12/22/2005WO2005121157A1 Monophosphine compounds, transition metal complexes thereof and production of optically active compounds using the complexes as asymmetric catalysts
12/22/2005WO2005121117A1 Processes for production of optically active compounds
12/22/2005US20050283014 Bistropylidenediamines and use thereof
12/22/2005DE102004025901A1 Verfahren zur Herstellung optisch aktiver 3-Alkylcarbonsäuren A process for preparing optically active 3-alkylcarboxylic acids
12/21/2005EP1606320A1 Crosslinked three-dimensional polymer network, method for preparing same, support material comprising same and uses thereof
12/21/2005EP1466168A4 Ammonium ionophore
12/20/2005US6977315 Process for producing optically active nitroalcohols
12/15/2005WO2005117907A2 P-chiral phospholanes and phosphocyclic compounds and their use in asymmetric catalytic reactions
12/15/2005US20050277772 Monophosphine compound, transition metal complex thereof and production method of optically active compound using the complex as asymmetric catalyst
12/14/2005EP1604973A1 Bistropylidenediamines and their use
12/14/2005CN1706806A Bistropylidenediamines and use thereof
12/14/2005CN1231434C Method for separating diphosphine diastereiosomers
12/14/2005CN1231433C Transfer hydrogenation process
12/08/2005WO2005115971A1 Radioactive tyrosine derivative, method for producing same, labeling agent for positron imaging and medical agent for assessing grade of malignancy of tumor respectively composed of radioactive tyrosine derivative, and method for detecting tumor
12/08/2005WO2005115955A1 Method for the production of optically active 3-alkyl carboxylic acids and the intermediate products thereof
12/08/2005US20050272877 Process for the preparation of prostaglandins and analogues thereof
12/08/2005US20050272780 Small molecule inhibitors of rotamase enzyme activity
12/08/2005DE102004022900A1 Chirale Diphosphorverbindungen und deren Übergangsmetallkomplexe Chiral diphosphorus and their transition metal complexes
12/08/2005DE102004022898A1 Chirale Diphosphinoterpene und deren Übergangsmetallkomplexe Chiral Diphosphinoterpene and their transition metal complexes
12/07/2005EP1601635A1 Process for producing optically active alcohol in the presence of rhodium, a chiral ferrocenyldiphosphine and an optically active diamine
12/07/2005EP1467984A4 Synthesis of 4,5-dihydro-pyrazolo (3,4-c) pyrid-2-ones
12/07/2005EP1355872A4 Process for stereoselective synthesis of prostacyclin derivatives
12/07/2005EP1296994B1 Ferrocenyl diphosphines and their use
12/07/2005EP1069115B1 Process for producing oxazolidin-2-one derivatives
12/07/2005CN1704421A Cirality diphosphaneterpene and transition metal complex thereof
12/06/2005CA2220389C Asymmetric synthesis of (-) 6-chloro-4-cyclopropyl-ethynyl-4-trifluoromethyl-1,4-dihydro-2h-3,1-benzoxazin-2-one
12/01/2005WO2005113530A1 Process for producing optically active citalopram and intermediate of said citalopram
12/01/2005US20050267316 Chiral diphosphinoterpenes and transition metal complexes thereof
12/01/2005US20050267306 Protected 3,5-dihydroxy-2,2-dimethyl-valeronitriles for the synthesis of epothilones and epothilone derivatives and process for the production
11/2005
11/30/2005EP1600438A1 Processes for the production of optically active compounds having substituents at the 2-position
11/30/2005EP1294683B1 A process for preparing biphenyl compounds
11/30/2005EP1159278B1 Inhibitors of aspartyl protease
11/29/2005US6969694 Chiral phosphines, transition metal complexes thereof and uses thereof in asymmetric reactions
11/24/2005WO2005111050A2 Enantioselective phosphoramidite compounds and catalysts
11/24/2005WO2005110958A1 Oxidation reaction of alcohol using hydrogen peroxide and tungsten catalyst
11/24/2005US20050261514 Process for the enantioselective hydrogenation of amino alcohols
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