Patents
Patents for C07C 227 - Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton (10,339)
12/2000
12/06/2000CN1059202C Process for production of glycine ethyl ester hydrochloride
12/05/2000US6156889 Reagent useful for cleaving a protected functional group
11/2000
11/30/2000WO2000071499A1 Diammonium ruthenium diethylenetriaminepentaacetate or hydrates thereof and process for the preparation of both
11/29/2000EP1055664A1 Process for producing norstatin derivatives
11/28/2000US6153753 Method of preparing amino carboxylic acids
11/28/2000CA2309530A1 Process for producing norstatin derivatives
11/23/2000WO2000069817A1 Process for producing optically active azetidine-2-carboxylic acids
11/23/2000WO2000069809A1 Crystalline salts of dodecyl 2-(n,n-dimethylamino)-propionate
11/23/2000WO2000069808A1 Process for preparing r-(-)-carnitine from s-(-)-chlorosuccinic acid or from a derivative thereof
11/23/2000DE19919490A1 Verfahren zur Abtrennung organischer Substanzen aus einem wässrigen Gemisch A method for separating organic substances from an aqueous mixture
11/23/2000CA2372424A1 Process for preparing r-(-)-carnitine from s-(-)-chlorosuccinic acid or from a derivative thereof
11/16/2000WO2000006525A3 Synthesis of combinatorial libraries of compounds reminiscent of natural products
11/16/2000DE19920962A1 Production of a sarcosine solution with a predetermined pH comprises subjecting a crude sarcosine solution to bipolar electrodialysis, useful for e.g. creatine production
11/15/2000CN1058486C Separating method for unequal-quantity antipode of phenyla lanine
11/14/2000US6147259 Process for producing glutamic acid
11/14/2000US6147240 Isocyanoalkyl carbonic acid derivatives, their conversion into secondary amidoalkyl carbonic acid derivatives by isocyanide-multicomponent reactions, as well as these secondary amidoalkyl carbonic acid derivatives
11/09/2000WO2000066539A1 Process for the preparation of carboxylic acid salts from primary alcohols
11/09/2000WO2000066253A1 Method for separating organic substances from an aqueous mixture
11/09/2000WO2000051968A8 Method for the preparation of a chiral-beta-amino ester
11/09/2000DE19920907A1 Preparation of cyclohexylglycine ester derivatives comprises reacting cyclohexylglycine derivatives with methanesulfonic acid and benzyl alcohol derivative in organic solvent
11/09/2000CA2371770A1 Process for the separation of organic substances from an aqueous mixture
11/09/2000CA2370621A1 Process for the preparation of carboxylic acid salts from primary alcohols
11/08/2000EP1049661A1 Preparation of ferric aminopolycarboxylate solutions having improved stability
11/08/2000CN1272488A Method for synthesizing asparagic acid by adding ammonia in C4 binary acid or its anhydride
11/08/2000CN1058259C Method for producing low salt compound amino-acid powder by cystine mother solution and its equipment
11/07/2000US6143783 Amino acids
11/02/2000WO2000065079A1 Processes for producing s,s-2-hydroxypropylenediamine-n,n'-disuccinic acid
11/02/2000WO2000064857A1 Process for producing gabapentine of pharmaceutical grade
11/02/2000WO2000064856A1 Method for making 2-(n-phenylamino)benzoic acids
11/02/2000WO2000046235B1 Novel betulinic acid derivatives, processes for preparing such derivatives and its use as cancer growth inhibitors
11/02/2000CA2371210A1 A process for the preparation of pharmaceutical grade gabapentin
11/02/2000CA2368807A1 Method for making 2-(n-phenylamino)benzoic acid
10/2000
10/26/2000WO2000063158A1 Method for nitrating aniline derivatives
10/25/2000EP1046634A1 Processes for producing beta-halogeno-alpha-amino-carboxylic acids and phenylcysteine derivatives and intermediates thereof
10/25/2000EP1046627A2 Enantiopure reagents and process for the separation of enantiomers
10/25/2000EP1045828A1 Method for producing highly pure tetrasodium salt of ethylenediaminetetraacetic acid
10/25/2000EP1045827A1 Method for producing (s,s)-n,n'-ethylenediamine disuccinic acid, analogous compounds or salts thereof
10/25/2000CN1270958A Beta-lactan
10/21/2000CA2305944A1 Process for separating enantiomers and enantiopur reagent
10/19/2000WO2000040547B1 α-SUBSTITUTION OF UNPROTECTED β-AMINO ESTER COMPOUNDS
10/19/2000DE19917524A1 Regioselective preparation of alkyl 4-alkanoylamino-3-alkyl-5-nitrobenzoic acid derivatives, useful as intermediates for benzimidazole derivative drugs, by nitration of 5-unsubstituted analogs under controlled conditions
10/18/2000EP1044961A1 Iron alkali salt of s,s-ethylenediamine-n,n'-disuccinic acid and process for producing the same
10/18/2000CN1270164A Preparation of alkali solution of beet
10/18/2000CN1057518C Method for preparing optically active amino acid by thermal hydrolyzing nitrogen-carbamino acid
10/18/2000CN1057517C Method for production of L-arginine
10/12/2000WO2000033811A3 Improvements in or relating to powders
10/11/2000EP0703971B1 Use of n,n-diacetic alpha-alanine and its salts as biodegradable complexing agents for alkaline earth and heavy metal ions in cleaning compositions for dishwashing
10/11/2000CN1269355A Production process and use of compound amino acid seasoning
10/10/2000US6130353 Chromatography on chiral polysaccharide stationary phase; eluting with mobile phase in liquid lower alkanol, oil soluble carboxylic acid
10/10/2000US6130337 Enantiomerically enriched α,α-distributed amino acids and method
10/05/2000WO2000058268A1 A process for the preparation of gabapentin
10/05/2000WO2000058267A1 Enhanced selectivity in the synthesis of dtpa esters fom diethylenetriamine
10/05/2000WO2000058266A1 Divergent method for the synthesis of diethylene triaminepenta aceticacid esters
10/05/2000WO2000058265A1 Preparation of dtpa esters with different ester groups
10/05/2000WO2000058264A1 Method for the synthesis of non-symmetrical dtpa compounds
10/05/2000WO2000058263A1 Process for the preparation of polyamino succinic acids and derivatives thereof
10/04/2000CN1268507A Stable lysine solution
10/03/2000US6127552 Process for producing (R)-3-hydroxy-4-butyrolactone useful for preparing (R)-carnitine
09/2000
09/28/2000WO2000056760A1 Phenylalanine derivatives
09/28/2000WO2000056716A1 Synthesis of 3-amino-3-aryl propanoates
09/28/2000WO2000056701A1 An improved process for the preparation of non-hygroscopic salts of l(-)-carnitine
09/28/2000WO2000056448A1 Catalyst and process for producing optically active beta amino acids and esters
09/28/2000CA2855415A1 Phenylalanine derivatives
09/28/2000CA2368733A1 Phenylalanine derivatives
09/28/2000CA2367971A1 Synthesis of 3-amino-3-aryl propanoates
09/28/2000CA2359106A1 An improved process for the preparation of non-hygroscopic salts of l(-)-carnitine
09/27/2000CN1267665A Preparation of notoginseng essence as efficient hemostatic material
09/27/2000CN1056830C Process for producing leucine
09/26/2000US6124481 Ammonium alkoxides
09/21/2000WO2000055113A1 PROCESS FOR THE PREPARATION OF α-AMINOKETONE DERIVATIVES
09/19/2000US6121487 Method of producing amino acids and amino-acid derivatives
09/13/2000EP1035109A1 Aqueous lysine solution
09/13/2000EP1035108A2 Preparation of solutions of betaine
09/13/2000CN1056366C Method for using chicken feather to produce cystine and additive of composite amino-acid
09/12/2000US6118020 Salt formation, precipitation, transdermal drug delivery penetration agent
09/12/2000US6118010 Catalytic reduction of the 1-alkoxycarbonyl-3-oxo-3-phenylpropyl derivative
09/11/2000WO2000066540A1 Powdery s,s-ethylenediamine-n,n'-disuccinic acid iron complex and process for producing the same
09/08/2000WO2000051968A1 Method for the preparation of a chiral-beta-amino ester
09/06/2000EP1033362A1 Crystals of s,s]-ethylenediamine-n,n'-disuccinic acid with high bulk density and method of obtaining the same
09/05/2000US6114332 Bis(acridinecarboxamide) and bis(phenazinecarboxamide) as antitumor agents
09/05/2000US6114163 Process for obtaining active L-α-amino carboxylic acids from corresponding racemic d, L-α-amino carboxylic acids
09/05/2000CA2299782A1 Preparation of solutions of betane
08/2000
08/31/2000WO2000050382A1 Optically active amino acid derivatives and processes for the preparation of the same
08/31/2000WO2000050378A2 Synthesis of nitroalcohol diastereomers
08/31/2000WO2000050377A1 Efficient synthesis of secondary amines by selective alkylation of primary amines
08/31/2000CA2364744A1 Optically active amino acid derivatives and processes for the preparation of the same
08/31/2000CA2364266A1 Synthesis of nitroalcohol diastereomers
08/30/2000EP0763010B1 Enantioselective preparation of optically pure albuterol
08/30/2000CN1265092A Process for prepn. of L-carnitine
08/30/2000CN1264706A Synthesis of chiral phosphine-borane complex and its application in asymmetric hydrogenation
08/30/2000CN1055925C Synthesizing of ammonia-carboxylic acids chelating agent of inner-acid anhydride by homogeneous phase method
08/29/2000US6111129 Process for the preparation of alkanediol-diaminobenzoates
08/29/2000US6111109 Cyclizing a 2-(2-alkyloxycarbonylphenyl)amino-)benzaldehyde by treating with a boron trifluoride; neutralization of the formed salt; amidation with an 2-n,n-dialkylaminoethylamine;antitumor and -carcinogenic
08/29/2000US6110933 Amino acid derivatives and their use as phospholipase A2 inhibitor
08/29/2000US6110342 Process for production of amino acid hydrochloride and caustic via electrodialysis water splitting
08/24/2000WO2000048984A1 Process to separate linear alkyl 5-formylvalerate
08/24/2000WO2000002887B1 Ligands for metals and metal-catalyzed processes
08/23/2000EP1029848A1 Process to separate linear alkyl 5-formylvalerate
08/23/2000EP1028939A1 Diester amine adducts
08/23/2000EP1028938A1 Production of aminohalogencrotonates
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