Patents
Patents for C07C 227 - Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton (10,339)
11/2004
11/03/2004CN1173963C Stereospecific hydrolysis of optically active esters
11/03/2004CN1173938C Alpha-substitution of unprotected beta-amino ester compounds
11/03/2004CN1173930C Process for preparing betaines
11/02/2004US6812363 Racemization of optically active 2-substituted phenyl glycine esters
10/2004
10/28/2004WO2004092119A2 Method for producing alpha-methylated cysteine and serine derivatives
10/28/2004US20040215027 Locates chirality closer to the metal center than known metal phospholane complexes; provides high enantiomeric excesses
10/28/2004US20040214895 Aqueous stable lysine solution
10/27/2004EP1471050A1 Production method for optically active N-aryl-beta-amino acid compounds
10/27/2004EP1150940B1 N(cf 3?) 2?-anion generation and its use
10/27/2004CN1539815A Method for preparing gabapentin
10/27/2004CN1539814A Microwave method for synthesizing carbonate of natrium glycine
10/27/2004CN1172902C Synthesis of 2-(s)-amino-4-phenyl (substituted aryl) butanoic acid and its ester (hydrochloride)
10/26/2004US6809225 Method for producing 3,3-diarylpropylamines
10/26/2004US6809214 Shortened synthesis of 3,3-diarylpropylamine derivatives
10/26/2004US6808616 Process for the preparation of 5-aminosalicyclic acid
10/26/2004CA2120812C Improved process for manufacturing l-(-)-carnitine from a waste product having opposite configuration
10/26/2004CA2120811C Improved process for manufacturing l-(-)-carnitine from waste products having opposite configuration
10/21/2004US20040210064 Production method of beta-amino acid
10/20/2004EP1468985A1 A process for the preparation of gabapentin free from inorganic acids anions
10/20/2004EP1468979A1 Process for preparing S-(-)-chlorosuccinic acid
10/20/2004CN1537844A Preparation of alkamine synthesiza amino acid catalyst and amino acid synthesis and purification method
10/20/2004CN1171855C Method for synthesis of N-[(S)-1-carboxybutyl]-(S)-alanine esters and use in synthesis of perindopril
10/19/2004US6806384 Production method of β-amino-α-hydroxycarboxylic acid
10/14/2004US20040204610 Catalysts
10/13/2004EP1213284B1 Processes for the preparation of oxo-oxazoline or alloamino acid derivatives
10/13/2004CN1170812C Method for synthesizing diphenyl-keto-acid derivative
10/07/2004WO2004085378A1 Process for the preparation of chiral beta amino acid derivatives by asymmetric hydrogenation
10/07/2004US20040199007 Raney copper
10/07/2004US20040198974 applying deemed racemates to continuos enantioselective liquid chromatography like SMB (simulated moving bed); for industrial scale production of pure enantiomers of amino acids useful as intermediates in organic synthesis such as N-benzyloxycarbonyl-tert-leucine
10/06/2004EP1464638A1 Process for producing erythro-3-amino-2-hydroxybutyric acid derivatives
10/06/2004EP1463712A1 New anhydrous crystalline forms of gabapentin
10/06/2004EP1463699A2 Process for the production of 3-phenylisoserine
10/06/2004EP0975560A4 Chiral separations of amino acids
10/06/2004CN1535260A Perfluoroalkyl-substituted amines, acids, amino acids and thioether acids
10/06/2004CN1169781C Prcess for prepn. of salts of L-carnitine and alkanoyl L-carnitine with mucic acid
10/05/2004US6800782 Dehydrating gabapentin monohydrate to form crystalline gabapentin dehydrate form a, allowing dehydrate a to stand at ambient temperatures to form crystalline gabapentin dehydrate form b
10/05/2004US6800764 Process for the synthesis of chirally pure beta-amino-alcohols
10/05/2004US6800185 Method for producing basic amino acid solution
09/2004
09/30/2004WO2004083163A1 3-AMINO-3-ARYLPROPIONIC ACID n-ALKYL ESTERS, PROCESS FOR PRODUCTION THEREOF, AND PROCESS FOR PRODUCTION OF OPTICALLY ACTIVE 3-AMINO-3-ARYLPROPIONIC ACIDS AND ESTERS OF THE ANTIPODES THERETO
09/30/2004US20040192954 Protected tyrosine derivatives, method for the production thereof and use of the same for producing o-(2-[18f]-fluoroethyl)-l-tyrosine
09/30/2004US20040187770 Rotor-stator apparatus and process for the formation of particles
09/29/2004EP1461604A1 Method and apparatus for use of thermally switching proteins in sensing and detecting devices
09/29/2004EP1461332A2 Production of chirally pure alpha-amino acids and n-sulfonyl alpha-amino acids
09/29/2004EP1461307A2 Crystallization of amino acids using ultrasonic agitation
09/29/2004EP1461303A2 PROCESS FOR THE SYNTHESIS OF CHIRALLY PURE b-AMINO-ALCOHOLS
09/29/2004EP1144367B1 Alpha-substitution of unprotected beta-amino ester compounds
09/29/2004EP1004571B1 Processes for producing amino acid having secondary or tertiary amino group and three or more carboxyl groups and its salt
09/29/2004CN1532181A Intermediate for preparing benzo-oxazine derivative and its preparing method
09/29/2004CN1532180A Extracting method for natural amino acid mixture with rich 4-hydroxy-isolecine
09/29/2004CN1168703C Secondary aspartic acid amide esters
09/29/2004CN1168701C Method for purifying branched chain amino acids
09/28/2004US6797833 Taxane derivatives having a tricyclic or tetracyclic core; remarkable properties in vitro; valuable antileukemia, antitumor and anticarcinogenic agents; human cancer cell line comparable to that of taxol and taxotere
09/28/2004US6797827 Process for the preparation of alpha-amino acids by hydrolysis of hydantoins at elevated pressure and elevated temperature
09/23/2004US20040186313 via diethyl-3-methoxyacetoxyglutaric acid as intermediate; deblocking, deprotecting; Friedel-Crafts acylation; hydroxymethylglutaryl coenzyme a reductase inhibitors; anticholesterol agents
09/22/2004EP1458670A1 Method for producing 2-halogenacyl-3-amino-acrylic acid derivatives
09/22/2004EP1458481A1 Catalysts for producing carboxylic acid salts
09/22/2004EP1200389B1 Process for preparing betaines
09/22/2004CN1167669C New method of preparing levo-carnitine tartrate
09/22/2004CN1167668C N,N-disubstituted glycine ester synthesis method
09/21/2004US6794542 Method for the preparation of enantiomerically enriched compounds
09/21/2004US6794523 Anticancer agents, antitumor agents; leukemia
09/21/2004US6794515 Synthesis of 2-alkylcysteine via substituted thiazoline amide
09/21/2004US6794331 Raney copper which is doped with at least one metal from the group comprising iron and/or noble metals is used as a catalyst in the dehydrogenation of alcohols.
09/21/2004US6793825 An extraction agent which contains at least partially relatively long-chain organic compounds and at least one liquid cation exchanger, and a membrane that is wettable by either aqueous mixture or by extraction agent; extraction
09/21/2004CA2121020C Process to prepare amino carboxylic acid salts
09/16/2004US20040180953 B form is the most thermodynamically stable form at room temperature; a purer and more homogeneous product is produced and recrystallization is advantageously carried out by initiating with a small amount of the product
09/15/2004EP1224161B1 Nitroxy derivatives of (r) and (s)-carnitine
09/15/2004CN1529694A Method for preparing
09/15/2004CN1529685A Improved metal-ligand complex catalyzed processes
09/15/2004CN1528754A Beta-hydroxy-alpha-amino acid and its derivatives and synthesizing method for preparing template
09/15/2004CN1528752A Oxazolidine intermediate for preparing taxad alkane
09/15/2004CN1528739A Levodopa methyl ester hydrochloride purifying method
09/15/2004CN1166625C Green synthesis process of betaine hydrochloride
09/15/2004CN1166624C Process for producing refined plant composite amino acid
09/14/2004US6790986 Forming a water insoluble hydroxybenzoic acid salt in aqueous solution, precipitation, suspension in a lower alcohol, adding a tertiary amine base to precipitate pure gabapentin; free of chloride anions
09/14/2004US6790964 Process for the preparation of 7-azabicyclo[4.1.0]hept-3-ene-3-carboxylic acid esters
09/10/2004WO2004075889A1 Process for preparation of perindopril and salts thereof
09/09/2004US20040176639 Process for the preparation of pure gabapentin "Form II"
09/09/2004US20040176637 Process for preparation of 2-chlorophenylglycine derivatives and enantiomerically separation
09/09/2004US20040176460 Use of L-(+)-tartaric acid in the separation of (R, R)-3-phenylisoserine or a derivative thereof from racemic mixtures
09/08/2004EP1453843A2 Powder trace element, method and device for making same
09/08/2004EP1453791A1 Acetyl l-carnitine salt with a dicarboxilic organic acid and process for preparing same
09/08/2004EP1082291B1 Chemical process for the stereoselective synthesis of r-(-)-carnitine
09/08/2004CN1527811A Process for the preparation of (R)-or (S)-aminocarnitine inner salt, the salts and derivatives thereof
09/08/2004CN1526698A Production process of high-purity DL-lysine
09/07/2004US6787664 Radical deoxygenation of tertiary hydroxy group
09/07/2004US6787562 Substituted aryl and heteroaryl compounds as E-type prostaglandin antagonists
09/02/2004US20040171877 Anticaking agents
09/02/2004US20040171876 Processes for the production of alpha-difluoromethyl ornithine (DFMO)
09/02/2004US20040171875 Process for the preparation of (r)- or (s)-aminocarnitine inner salt, the salts and derivatives thereof
09/02/2004US20040171849 Halogenation a 4-amino-2-hydroxybutyric acid ; cyclization; in aqueous solution
09/02/2004US20040171833 Ligands for metals and improved metal-catalyzed processes based thereon
09/01/2004EP1452604A2 Coenzyme useful for the synthesis of L-Carnitine
09/01/2004CN1524847A Producing method of of tranexamic acid
09/01/2004CN1524846A Producing process for threonine benzyl ester oxalate
09/01/2004CN1164566C Preparation of ferrous glycinate chelate by metathesis method
09/01/2004CN1164565C Process for preparing amino acids from natural albumen
08/2004
08/31/2004US6784311 Method of producing 3-aminoalkanoic acid esters
08/31/2004US6784304 Use of optionally n-protected 2,2-dialkyl,4-substituted-5-carboxy-oxadiazolidines in the preparation of c-13 acyloxy sidechain-bearing taxanes such as paclitaxel
08/31/2004US6784295 Carried out in the presence of an inorganic base or organic nitrogen base and a palladium complex catalyst containing secondary monophosphines with aliphatic, branched or cyclic substituents as ligands
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