Patents
Patents for C07B 55 - Racemisation; Complete or partial inversion (688)
05/2005
05/11/2005EP1529037A2 Synthesis of 2-alkylcysteines, 2-(hydroxylated phenyl)-4-alkylthiazoline-4-carboxylic acids and derivatives thereof
04/2005
04/28/2005US20050090543 Method for the preparation of tetrahydrobenzothiepines
04/12/2005US6878828 Coupling cysteine with benzonitrile, then esterifying, alkylating, hydrolyzing and reacting with acids to form 2-methylcysteine
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
03/2005
03/24/2005WO2004108665A3 A process for preparation of clopidogrel
03/23/2005EP1419125A4 Kinetic resolutions of chirat 3- and 3-substituted carboxylic acids
03/02/2005EP1232279B1 Method for producing optically active amines
03/01/2005US6861532 Synthesis of 2-alkylcysteine
02/2005
02/16/2005EP1506162A2 Synthesis of benzonitriles and benzimidates
01/2005
01/25/2005US6846958 Synthesis of benzimidate from benzoic acid
01/25/2005US6846955 Process for racemising an enantiomer-enriched schiff base of an amino acid amide
01/25/2005US6846843 β-thioamino acids
01/19/2005EP1497310A2 A process for the preparation of 6 alfa-fluoro steroids by isomerisation of 6.beta.-fluorosteroids
01/11/2005US6841691 Process for the preparation of enantiomerically enriched esters and alcohols
01/05/2005CN1183101C Derivatives of alpha-amino acid phenyl ester
01/04/2005US6838584 Estrogen receptor modulators
12/2004
12/16/2004WO2004108665A2 A process for preparation of clopidogrel
12/02/2004US20040242921 Resolution of racemic mixtures using an amine
12/01/2004CN1177800C Method for the recemization of optically active amines
11/2004
11/18/2004CA2524489A1 Method for the synthesis of 4-hydroxyisoleucine and the derivatives thereof
11/17/2004CN1547566A Spliting method of (r)-(-)-2-hydroxyl-2-(2-chlorphenyl)acetic acid
11/11/2004US20040225154 As a saccharinate from a mixture of the diastereomers (1SR,2)RS-2-((dimethylamino)methyl)-1-(3-methoxyphenyl)-cyclohexanol and (1SR-2RS)-2-((dimethylamino) methyl)-1-(3-methoxyphenyl)-cyclohexanol and impurities
11/03/2004CN1173902C Racemization of optically active amines
11/02/2004US6812363 Racemization of optically active 2-substituted phenyl glycine esters
10/2004
10/27/2004CN1172912C Racemistion process for use in manufacture of levobupivacaine and related piperidinecarboxanilide anaesthetic agents
10/26/2004US6809214 Shortened synthesis of 3,3-diarylpropylamine derivatives
10/26/2004CA2120812C Improved process for manufacturing l-(-)-carnitine from a waste product having opposite configuration
10/13/2004EP1430031A4 Kinetic resolution of a intermediate useful in the production of benazepril and analogues thereof
10/13/2004CN1537103A Kinetic resolution of intermediater body for preparing benazepril and its analogues
09/2004
09/21/2004US6794544 Method for the preparation of tetrahydrobenzothiepines
09/21/2004US6794515 Synthesis of 2-alkylcysteine via substituted thiazoline amide
09/15/2004EP1224161B1 Nitroxy derivatives of (r) and (s)-carnitine
09/10/2004WO2004076404A1 Processes for the production of optically active compounds having substituents at the 2-position
08/2004
08/25/2004CN1163499C Process for racemization of atropisomeric bis(phosphine oxide) compound
08/19/2004US20040162304 Estrogen receptor modulators
07/2004
07/21/2004CN1514841A Synthesis of silyl camptothecins and silyl homo camptothecins
06/2004
06/23/2004EP1430031A2 Kinetic resolution of a intermediate useful in the production of benazepril and analogues thereof
06/16/2004EP1339406B1 Piperazine derivatives, their preparation and their use for treating central nervous system (cns) disorders
06/15/2004US6750370 Chemical intermediate for synthetic pyrethroids
05/2004
05/27/2004DE10348674A1 Racemisierung von optisch aktiven 2-substituierten Phenylglycinestern Racemization of optically active 2-substituted Phenylglycinestern
05/19/2004EP1419125A1 Kinetic resolutions of chirat 3- and 3-substituted carboxylic acids
04/2004
04/29/2004WO2003003972A3 Kinetic resolution of a intermediate useful in the production of benazepril and analogues thereof
04/29/2004US20040082796 Reacting a substituted benzonitrile with a cysteine compound
04/29/2004US20040082647 Anticholesterol agents; controlling bile acid transfer into intestines
04/28/2004CN1147487C Racemization of R,S-dioxo-benzyl pyrrolopiperidine
04/22/2004US20040077061 Enzymatic resolution of aryl and thio-substituted acids
04/22/2004US20040077059 Process for the preparation of enantiomerically enriched esters and alcohols
04/21/2004EP1409453A1 Novel diamines having a casr modulating activity
04/15/2004US20040073057 Heating with thionyl chloride; racemization
04/15/2004US20040072310 Enzymatic resolution of aryl and thio-substituted acids
04/14/2004EP1406853A1 Process for the racemization of alcohols
04/08/2004WO2003097622A3 Synthesis of 2-alkylcysteines, 2-(hydroxylated phenyl)-4-alkylthiazoline-4-carboxylic acids and derivatives thereof
04/07/2004EP1131270B1 Process for converting an alcohol to the corresponding fluoride
04/07/2004CN1487943A Process for preparing clopidogrel
03/2004
03/17/2004EP1397335A1 Resolution process for (r)-(-)-2-hydroxy-2-(2-chlorophenyl)acetic acid
02/2004
02/25/2004CN1477961A Piperazine derivatives, their preparation and their use for treating central nervous system (CNS) disorders
02/18/2004EP1325001B1 Anticholinergic agents that can be used as medicaments and method for the production thereof
02/12/2004WO2003097582A3 Synthesis of benzonitriles and benzimidates
02/11/2004EP1387821A2 Estrogen receptor modulators
02/10/2004CA2088774C Process for the racemization nonracemic 3-oxocyclopentane-or-hexanecarboxylic acids or their esters with c1-c6-alcohols
02/05/2004US20040024224 Synthesis of 2-alkyl amino acids
01/2004
01/22/2004WO2004007456A1 Novel derivatives of pyridylethanol (phenylethyl) amines as inhibitors of cholesterol biosynthesis, processes for their preparation, and pharmaceutical compositions containing them
01/22/2004CA2493004A1 Novel derivatives of pyridylethanol (phenylethyl) amines as inhibitors of cholesterol biosynthesis, processes for their preparation, and pharmaceutical compositions containing them
01/21/2004EP1382606A2 8-azabicyclo[3.2.1]octane derivatives and their use as anticholinergics
01/14/2004CN1468236A Novel anticholinergic agents that can be used as medicaments and method for the production thereof
01/08/2004US20040006224 Synthesis of 2-alkyl amino acids
01/02/2004EP1375497A1 Magnesium salt of s-omeprazole
01/01/2004US20040002613 Synthesis of benzonitriles from substituted benzoic acid
12/2003
12/25/2003US20030236435 Synthesis of 2-alkylcysteine via substituted thiazoline ester
12/25/2003US20030236434 Condensing cysteine with cabocyclic nitriles to form 2-arylthiazoline-4-carboxylic acid, then amidation, alkylation, hydrolyzing and optionally purifying to form 2-methylcysteine
12/25/2003US20030236426 Synthesis of benzimidate from benzoic acid
12/25/2003US20030236406 Amination forming a benzylammonium methyl phenoxy 5-tetrahydrobenzothiepine; apical sodium co- dependent bile acid transporter inhibitors, anticholesterol agents
12/25/2003US20030236404 Synthesis of 2-alkylcysteine via phase transfer catalysis
12/25/2003US20030236253 Gabapentin; antiepileptic agents, analgesics
12/11/2003US20030229231 Forming chelate compounds
12/04/2003US20030225287 Synthesis of chiral 2-alkyl amino acids
11/2003
11/27/2003WO2003097622A2 Synthesis of 2-alkylcysteines, 2-(hydroxylated phenyl)-4-alkylthiazoline-4-carboxylic acids and derivatives thereof
11/27/2003WO2003097582A2 Synthesis of benzonitriles and benzimidates
11/27/2003US20030220504 Forming a phenyl-thiazoles chemical intermediates for making antioxidants, ferrielectric liquid crystal dopant, picornaviral viricides, antiinflammatory agents, anti-asthma agents, and fibringoen antagonists
11/26/2003EP1363872A1 Method for isolating and purifying (1rs,2rs)-2- (dimethylamino)methyl]-1-(3-methoxyphenyl)-cyclohexanol
11/20/2003WO2003082896A3 A PROCESS FOR THE PREPARATION OF 6α-FLUORO STEROIDS BY ISOMERISATION OF 6β-FLUOROSTEROIDS
11/20/2003US20030216408 -4-substituted-N-(2-(4-(2,3-dihydro-benzo(1,4)dioxin-5-yl)-piperazin -1-yl)propy l)-N-pyridin-2-yl-benzamide or salt; useful as 5-HT1A receptor antagonists
11/13/2003US20030212292 Shortened synthesis of 3,3-diarylpropylamine derivatives
10/2003
10/22/2003EP1353928A2 Process for preparing clopidogrel
10/09/2003WO2003082896A2 A PROCESS FOR THE PREPARATION OF 6α-FLUORO STEROIDS BY ISOMERISATION OF 6β-FLUOROSTEROIDS
10/09/2003CA2480629A1 A process for the preparation of 6.alpha.-fluoro steroids by isomerisation of 6.beta.-fluorosteroids
10/01/2003EP1129055B1 Method for racemization of optically active amines
10/01/2003EP0873290B1 Process for racemization of n-acetyl-d(l)-alpha-aminocarboxylic acids
09/2003
09/24/2003CN1122000C Racemization of optically active amines
09/17/2003CN1121383C Process for recycle of waste product of diltiazem synthesis
09/16/2003US6620600 Enzymatic resolution of aryl and thio-substituted acids
09/03/2003EP1339406A2 Piperazine derivatives, their preparation and their use for treating central nervous system (cns) disorders
08/2003
08/27/2003EP1159252B1 Method for the racemization of optically active amines
08/27/2003CN1119317C Process for racemization of optically active 1-phenylethylamine derivative
07/2003
07/30/2003EP1150941B1 Method for the racemization of optically active amines
07/23/2003EP1328655A2 Enzymatic resolution of aryl- and thio-substituted acids
07/16/2003CN1430677A Process for preparation of enantiomerically enriched esters and alcohols
07/09/2003EP1325001A1 Anticholinergic agents that can be used as medicaments and method for the production thereof
07/09/2003EP1098871B1 alpha-AMINO ACID PHENYL ESTER DERIVATIVES
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