| Patents for C07C 227 - Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton (10,339) |
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| 04/02/1997 | EP0765864A1 Process for the separation of amino acids and aminosulfonic acids by adsorption to zeolites |
| 04/02/1997 | EP0765863A1 Alkylation of amino acids |
| 04/02/1997 | CN1146448A Synthesising of ammonia-carboxylic acids chelating agent of inner-acid anhydride by homogeneous phase method |
| 04/02/1997 | CN1146447A Process for preparation of optically active amino-acid by hot- hydrolysis of nitrogen-ammonia formyl-amino acid |
| 04/01/1997 | US5616795 Reacting 5-amino-2,4,6-triiodo-1,3-benzenedicarboxlyic acid and thionyl chloride in solvent with tertiary amine catalyst |
| 04/01/1997 | US5616793 Condensing isovaleraldehyde with an alkyl cyanoacetate; thendialkyl malonate; reacting with ammonia; then phenylethylamine and hoffmann reagent |
| 04/01/1997 | US5616786 Method of obtaining anhydrous phenylalanine crystals |
| 04/01/1997 | US5616779 Process for the preparation of 2,5-di-phenylamino-terephthalic acid and its dialkyl esters |
| 04/01/1997 | US5616776 Process for the preparation of a substituted 2.5-diamono-3-hydroxy-hexane |
| 04/01/1997 | US5616766 Phenylalanine monomethylsulfate crystal; chemical intermediates for artificial sweetener |
| 04/01/1997 | US5616726 Optically active aminoalcohol derivatives and method of producing same |
| 04/01/1997 | US5616498 Biological removal of dihalocarboxylic acid irritants |
| 03/27/1997 | CA2186187A1 Process for separating amino acids and/or aminosulphonic acids by adsorbing the amino acids on zeolites |
| 03/26/1997 | CN1146197A Cyclic triamine chelating agents |
| 03/20/1997 | WO1997010203A1 METHOD OF PREPARING OPTICALLY ACTIVE α-AMINO ACIDS AND α-AMINO ACID DERIVATIVES |
| 03/20/1997 | WO1997010197A1 METHOD FOR PREPARING φ-AMINOALKANOIC ACID DERIVATIVES FROM CYCLOALKANONES |
| 03/20/1997 | CA2230997A1 Method of preparing optically active .alpha.-amino acids and .alpha.-amino acid derivatives |
| 03/19/1997 | EP0763011A1 Process for the preparation of unsaturated amino compounds |
| 03/19/1997 | EP0763010A1 Enantioselective preparation of optically pure albuterol |
| 03/19/1997 | EP0725847A4 A process for the production of water-soluble salts of carboxylic and amino acids |
| 03/13/1997 | DE19533617A1 Neues Verfahren zur Herstellung von optisch aktiven alpha-Aminosäuren und alpha-Aminosäure-Derivaten Novel process for preparing optically active alpha-amino acids and alpha-amino acid derivatives |
| 03/12/1997 | EP0555324B1 Process for separating basic, acidic and amphoteric amino acids by electrodialysis |
| 03/12/1997 | CN1144799A Method for preparation low-salt compound amino-acid powder by cystine mother solution and its equipment |
| 03/06/1997 | WO1997008131A1 Monoesters of carboxymethylene anthranilic acids and process for preparing the same |
| 03/06/1997 | WO1997008130A1 4,4-difluoro-3-butenylester derivatives or 4,4-difluoro-3-halogen-3-butenylester derivatives and the use thereof as pesticides |
| 03/06/1997 | WO1997008129A1 Process for preparing n-carboxymethylene-4-chloro-anthranilic acid and its dialkyl esters |
| 03/06/1997 | DE19532054A1 Verfahren zur Herstellung von N-Carboxymethylen-4-chlor-anthranilsäure, sowie deren Dialkylestern A process for the preparation of N-carboxymethylene-4-chloro-anthranilic acid, and dialkyl esters thereof |
| 03/06/1997 | CA2230031A1 4,4-difluoro-3-butenylester derivatives or 4,4-difluoro-3-halogen-3-butenylester derivatives and the use thereof as pesticides |
| 03/06/1997 | CA2229930A1 Monoesters of carboxymethyleneanthranilic acids and a process for their preparation |
| 03/05/1997 | EP0760360A2 Method of manufacturing alkylaniline compounds |
| 03/05/1997 | CN1144522A Substituted azetidinone compounds useful as hypocholesterolemic agents |
| 03/04/1997 | US5608102 Process for the preparation of β-phenylisoserine and its analogues |
| 03/04/1997 | US5608076 Method of preparing amionoakylhydantoins and aminoalkyl-alpha-amino acids |
| 02/26/1997 | CN1143641A Novel methods for preparation of taxanes using oxazolidine intermediates |
| 02/19/1997 | CN1143369A Process for preparing |L¨-or|D¨-homoalanin-4-YL-(methyl) phosphinic acid and its salts by racemic resolution |
| 02/18/1997 | CA2091569C Intermediates in the preparation of 4,5-difluoroanthranilic acid |
| 02/12/1997 | CN1142488A Process for purifying valine |
| 02/11/1997 | US5602279 Primary hindered aminoacids for promoted acid gas scrubbing process |
| 02/11/1997 | US5602272 Reduction and resolution methods for the preparation of compounds useful as intemediates for preparing taxanes |
| 02/06/1997 | WO1997003947A1 Process for the preparation of ethyl 3s-[[4-[[4-(aminoiminomethyl)phenyl]amino]-1,4-dioxobutyl]amino]-4-pentynoate |
| 02/06/1997 | CA2225169A1 Process for the preparation of ethyl 3s-¬¬4-¬¬4-(aminoiminomethyl)phenyl|amino|-1,4-dioxobutyl|amino|-4-pentynoate |
| 02/05/1997 | CN1142223A Process for preparing N-substituted glycinic acids or glycinic esters and use of said process in indigo synthesis |
| 02/04/1997 | US5599978 Esterification, acylation |
| 01/29/1997 | EP0755916A2 Process for the preparation of amine compound |
| 01/29/1997 | EP0755373A1 Cyclic triamine chelating agents |
| 01/29/1997 | EP0663897B1 Process for separating enantiomers from a racemic mixture |
| 01/29/1997 | CN1141290A Depolymerization of polyamides |
| 01/28/1997 | US5597847 Nitric esters of derivatives of the 2-(2,6-di-halo-phenylamino) phenylacetic acid and process for their preparation |
| 01/28/1997 | US5597845 Tachykinin antagonists |
| 01/23/1997 | WO1997002236A1 PROCESS FOR PRODUCING β-AMINO-α-HYDROXYCARBOXYLIC ACIDS AND DERIVATIVES THEREOF |
| 01/23/1997 | WO1997002235A1 A process for preparing iopamidol by using a c1-c5 monoalkylether of a c2-c10 alkylen-glycol |
| 01/22/1997 | EP0754677A1 DTPA derivatives modified with non-ester bond an a process for synthesizing them |
| 01/21/1997 | US5596125 Quaternization of secondary amines with haloacetic alkyl esters |
| 01/21/1997 | US5595714 Complexing gadolinium with polyaminocarboxylic acids, acidification, adding oxalate ions, filtration the gadolinium oxalate, basification and precipitation |
| 01/16/1997 | WO1997001526A1 Preparation of bicyclohexane derivative |
| 01/16/1997 | CA2224235A1 Preparation of bicyclohexane derivative |
| 01/15/1997 | EP0641310B1 Process for producing beta-alanine diacetic acid or its alkali metal or ammonium salts |
| 01/14/1997 | US5594150 Process for the preparation of a secondary or tertiary hydroxylated amine compound from a primary or secondary amine compound and a product made by the process |
| 01/08/1997 | EP0752421A1 Ortho-substituted aromatic compounds, containing three (het)aryl moieties, their preparation and their use as prostaglandin E2-(PGE2)-antagonists |
| 01/08/1997 | EP0751934A1 Substituted azetidinone compounds useful as hypocholesterolemic agents |
| 01/08/1997 | EP0751928A1 Dl- di- or tri-hydroxyphenylglycine alkyl esters for the treatment of inflammatory and allergic conditions |
| 01/08/1997 | EP0751927A1 Synthesis of compounds with predetermined chirality |
| 01/08/1997 | CN1139930A Hydrogenation catalyst, process for the preparation thereof and hydrogenation process |
| 01/08/1997 | CN1139918A Recovery of an amino acid |
| 01/02/1997 | EP0751223A2 Method for preparing dimethylolcarboxylic acid derivatives |
| 01/02/1997 | EP0751117A1 Preparation of bicyclohexane derivative |
| 01/02/1997 | EP0751105A2 Process for the oxidation of organic compounds |
| 12/31/1996 | US5588749 Multifunctional bag |
| 12/27/1996 | WO1996041794A1 Method for preparing enantiomeric forms of amino alkylaminophenyl propanoic acid |
| 12/27/1996 | EP0749953A1 Preparation of chiral alpha-halocarboxylic acids |
| 12/27/1996 | CA2220403A1 Method for preparing enantiomeric forms of amino alkylaminophenyl propanoic acid |
| 12/25/1996 | CN1138850A Novel high enantio-selective process for producing pure enantiomeric cyclopentane and cyclopentene-'beta'-amino acids |
| 12/24/1996 | US5587514 Reacting enolate of alpha-n,n-di-protected-aminoalkyl methyl ketone with alpha-leaving group acetate or acetamide |
| 12/24/1996 | US5587512 Process for obtaining [S,S]-ethylenediamine-n,n'-disuccinic acid from a salt solution of such acid and l-aspartic acid |
| 12/19/1996 | WO1996040617A1 Method of making (s)-3-(aminomethyl)-5-methylhexanoic acid |
| 12/19/1996 | WO1996040292A1 A method for preparing radiolabeled peptides |
| 12/19/1996 | WO1996040104A1 Hydroxyl ions as unique therapeutic agents and compounds that modulate ions, compounds |
| 12/19/1996 | CA2232196A1 A method for preparing radiolabeled peptides |
| 12/18/1996 | EP0748791A2 Valine p-isopropylbenzene sulfonate and a process for purifying valine |
| 12/18/1996 | EP0748326A1 Optically active diphosphines and method for preparing same by resolution of the racemic mixture |
| 12/18/1996 | EP0748325A1 Process for preparing [l]- or [d]-homoalanin-4-yl-(methyl)phosphinic acid and its salts by racemic resolution |
| 12/18/1996 | CN1138319A Process for the preparation of an aldehyde |
| 12/18/1996 | CN1138027A Nitric esters from derivatives of 2-(2,6-dihalophenylamino) phenylacetoxyacetic acid and their preparation procedures |
| 12/10/1996 | CA2032254C Glycerol derivatives, a preparation process of the same and therapeutical compositions containing them |
| 12/10/1996 | CA2032224C 3-(n-methyl-n-alkyl)-amino 2-methoxymethylene propan 1-ol derivatives, a preparation process of the same and therapeutical compositions containing them |
| 12/05/1996 | WO1996038405A1 Methods of making (s)-3-(aminomethyl)-5-methylhexanoic acid |
| 12/04/1996 | EP0745582A2 Process for the preparation of glycine-N,N-diacetic acid derivatives from the reaction of glycine derivatives or their precursors with formaldehyde and hydrocyanic acid (or ...) in an acidic aqueous medium |
| 12/04/1996 | EP0745581A2 Process for the preparation of glycine-N,N-diacetic acid derivatives from the reaction of glycine derivatives or their precursors with formaldehyde and an alkalimetal cyanide in an acidic aqueous medium |
| 12/04/1996 | CN1137267A N,N'-bis (2-hydroxybenzyl) ethylenediamine-N,N'-diacetic acid derivatives as chelating agents |
| 12/03/1996 | US5581009 Esterification, neutralization, solvent extraction, and acidifiction, |
| 12/03/1996 | US5581007 Process for preparing optically active allophenylnorstatin derivatives |
| 11/28/1996 | WO1996037459A1 Process for the preparation of a dicarboxylic acid dichloride |
| 11/28/1996 | WO1996037458A1 Process for the preparation of a halosubstituted aromatic acid |
| 11/27/1996 | EP0743936A1 Cyclohexane derivatives as voltage-gated potassium channel blockers |
| 11/27/1996 | CN1136554A Technology for producing leucine |
| 11/21/1996 | WO1996036590A1 Process for the preparation of 5-amino-2,4,6-triiodoisophthalic acid dichloride by chlorination with thionyl chloride in the presence of a catalyst |
| 11/21/1996 | WO1996036371A1 Polymer, article and method for inhibiting the growth of ocular pathogens in eye care products |
| 11/20/1996 | EP0743283A2 Recovery of gadolinium and its complexing agents from aqueous solutions containing their complexes |
| 11/20/1996 | EP0742788A1 Process for the preparation of a linear formyl compound |
| 11/20/1996 | CN1136035A Preparation of amino-acetic acid |