| Patents for C07C 227 - Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton (10,339) |
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| 02/13/1991 | EP0412124A1 New dioxane derivatives capable of being optically active, process for their preparation, and applications |
| 02/12/1991 | CA1280116C Amino-acids separation process |
| 02/12/1991 | CA1280110C LIQUID CRYSTALLINE FERROELECTRIC DERIVATIVES OF BRANCHED ACYCLIC .alpha.-CHLOROCARBOXYLIC ACIDS |
| 02/07/1991 | WO1991001304A1 Process to synthesize ab-pbo monomer and phosphate salts thereof |
| 02/06/1991 | EP0411417A1 Process for preparing aminomethylene compounds |
| 02/05/1991 | US4990661 Process for the preparation of benzoic acid derivatives |
| 02/05/1991 | US4990534 Aralkyl esters and processes for their preparation |
| 02/05/1991 | US4990522 Esterified ephedrine derivatives with prolonged antiulcer activity |
| 01/30/1991 | EP0410315A2 Process for the preparation of 1-Amino-2-carboxy anthroquinones |
| 01/30/1991 | EP0410005A1 Method for crystallizing amino acid |
| 01/29/1991 | US4988789 Forming the hydrochloride salt of glycine, heating a mixture of hydrochloric acid with glycine, precipitation, filtration, cooling |
| 01/29/1991 | US4988730 Treatment of angina or arrhythmia |
| 01/29/1991 | CA2022100A1 Process for the preparation of carboxylic acids and esters |
| 01/23/1991 | EP0408881A2 Process for the enantioselective preparation of gamma-keto-delta-amino-acid derivatives |
| 01/23/1991 | CN1048702A Process for extracting amino glutaric acid |
| 01/22/1991 | US4986976 Recovery of glycine and glauber's salt from waste crystal liquors |
| 01/20/1991 | CA2021562A1 Process |
| 01/15/1991 | CA2021159A1 Process to synthesize ab-pbo monomer and phosphate salts thereof |
| 01/08/1991 | US4983754 Esterification of p-bromo-n,n-dimethylaniline with palladium catalyst, by-product inhibition |
| 01/02/1991 | EP0406124A1 Chiral polymers for the synthesis of enantiomerically pure amino-acids |
| 01/02/1991 | EP0405704A2 DTPA-complexes derivatives, pharmaceutical compositions containing them, their use and process for their preparation |
| 01/01/1991 | US4981997 Process for the preparation of 2,5-diarylaminoterephthalic acids |
| 01/01/1991 | US4981972 Process for producing oxazolone derivatives |
| 12/27/1990 | EP0403511A1 Hydrogenation of halonitroaromatic compounds. |
| 12/26/1990 | CN1010943B Process for the prepn. of l-phenylalanine |
| 12/25/1990 | US4980498 Method of producing 2-(2-hydroxyethoxy)-ethanol ester of flufenamic acid |
| 12/25/1990 | US4980065 Separation of mixtures by aqueous two-phase systems |
| 12/20/1990 | DE3917835A1 3,3,3-Tri:fluoro-alanine prodn. from tri:fluoro-pyruvic acid and amide - dehydrating product to acyl-imine, reaction with tin chloride, then hydrolysing and new process intermediates, useful as enzyme inhibitor |
| 12/19/1990 | EP0402561A2 Process for the manufacture of anilinofumarate via chloromaleate or chlorofumarate or mixtures thereof |
| 12/18/1990 | US4978773 Process for the preparation of 2,6-dichlorodiphenylaminoacetic acid derivatives |
| 12/18/1990 | US4978759 Reacting meldrum*s acid with protected amino acid, cyclization decyclizing, reduction and deprotecting; statine |
| 12/18/1990 | US4978653 Derivative of 2-cyclohexylpropanal and perfumery composition comprising the same |
| 12/18/1990 | US4978386 Herbicidal 2-(substituted-phenyl)-3-amino-2-cyclopentenone derivatives |
| 12/12/1990 | EP0402322A2 Process for the production of R(+)-aminocarnitine and S(-)-amino-carnitine |
| 12/11/1990 | US4977263 Process for preparing 1,8-bridged 4-quinolone-3-carboxylic acid antibacterials |
| 12/05/1990 | EP0400558A2 Phenylacetic acid derivative |
| 12/05/1990 | EP0400011A1 New phenylethanolamines. |
| 12/04/1990 | CA1277332C Phenyl nonatetraenoic acid derivatives |
| 11/28/1990 | EP0399573A2 Process for recovery of amino acid from aqueous mixtures |
| 11/27/1990 | US4973746 Ammonolysis, dehydration, hydrogenation |
| 11/22/1990 | EP0398207A1 Stable liquid form of 5-aminosalicylic acid |
| 11/15/1990 | CA2016825A1 Stable liquid form of 5-aminosalicylic acid |
| 11/13/1990 | CA1276171C Amino acid esters |
| 11/07/1990 | EP0396526A2 Method of preparing chiral beta-amino acids |
| 11/07/1990 | EP0396435A1 Polyaza derivatives and their metal complexes for use in the fixation of oxygen |
| 11/06/1990 | US4968839 Synthetic process for the preparation of N,N dimethyl glycine (DMG) |
| 11/01/1990 | CA2015761A1 Method of preparing chiral .beta.-amino acids |
| 10/31/1990 | EP0395182A1 Herbicidal compounds |
| 10/30/1990 | US4966915 Antiparkinsonism |
| 10/28/1990 | CA2015500A1 Herbicidal compounds |
| 10/24/1990 | EP0394118A1 2,6-Aminoheptanedioic acid unsaturated derivatives, process for their preparation and their use as medicaments |
| 10/24/1990 | EP0393350A2 Process for the preparation of amines |
| 10/24/1990 | EP0280992B1 Cyclohexene carboxylic-acid esters, process for their preparation and their use |
| 10/24/1990 | EP0190322B1 Process for the production of amino compounds from hydroxyl compounds |
| 10/23/1990 | US4965405 Benzhydrylamine derivatives |
| 10/23/1990 | US4965396 Intermediates for quinolon derivatives; bactericides |
| 10/18/1990 | CA2014672A1 Unsaturated derivatives of 2,6-amino heptanedioic acid, process for their preparation and use as medicaments |
| 10/17/1990 | EP0392823A2 Recovery of glycine and Glauber's salt from waste crystal liquors |
| 10/11/1990 | DE3909598A1 Process for the preparation of beta -aminoacrylate esters |
| 10/11/1990 | DE3909596A1 Process for the preparation of beta -aminoacrylate esters |
| 10/10/1990 | EP0210896B1 Optically pure derivates of 4-amino-3-hydroxycarboxylic acids and process for stereospecific synthesis |
| 10/10/1990 | CN1045969A Method for producing levodopa from cat bean or mucuna |
| 10/10/1990 | CA2013432A1 Quaternary ammonium compounds having muscle relaxation activity |
| 10/09/1990 | US4962231 Reacting pure chloropropionic acid with ammonia(or ammonia-donating compounds) with controlled ph |
| 10/09/1990 | US4962225 Aspartic acid derivatives |
| 10/09/1990 | US4962223 Process for the synthesis of the levodopa |
| 10/09/1990 | US4961876 Liquid crystalline ferroelectric derivatives of branched acyclic alpha-chlorocarboxylic acids |
| 10/09/1990 | CA1275095A1 Carbacyclins, processes for their preparation and their use as pharmaceuticals |
| 10/02/1990 | US4960930 Salt formation with zinc salt followed by acidification to dissociate into zinc ions and phenylalanine |
| 10/02/1990 | US4960881 α-chlorinated carbonates, their method of manufacture and application in the protection of the amine functions of amino acids |
| 10/02/1990 | US4960793 Diethylene glycol monoester derivatives, compositions and therapeutic use |
| 10/02/1990 | CA1274846A1 PROCESS FOR ENANTIOSELECTIVE PRODUCTION OF .alpha.-VINYL- .alpha.-AMINO ACIDS |
| 09/26/1990 | EP0388744A1 Process for preparing beta-amino acrylic-acid esters |
| 09/25/1990 | US4959493 Carboxycyclopropylglycine and process for producing the same |
| 09/25/1990 | US4959492 Process to synthesize AB-PBO monomer and phosphate salts thereof |
| 09/25/1990 | CA1274542A1 Method for separating glycine and l-serine from a solution containing same |
| 09/19/1990 | EP0387807A1 Method for chemically modifying a metal complex |
| 09/19/1990 | EP0387605A2 Process for the stereoselective preparation of optically active S,S or R,R-beta-aminoalcohols |
| 09/18/1990 | CA1274250A1 Purification and recovery of phenylalanine with calcium salts |
| 09/07/1990 | WO1990009984A1 PRODUCTION OF p-PHENYLENEDIAMINES |
| 09/04/1990 | US4954639 Reacting fluorophthalic acid compound with hydroxylamine or salt |
| 08/29/1990 | EP0384212A1 Process for obtaining aqueous solutions of free neutral alpha-amino acids from aqueous solutions of their alkali metal salts |
| 08/28/1990 | CA1273346A1 Optically pure 4-amino-3-hydroxycarboxylic acid derivatives and process for their stereospecific synthesis |
| 08/23/1990 | WO1990009987A1 Polynitrogenous derivatives and their metallic complexes which can be used for oxygen fixation |
| 08/23/1990 | WO1990009372A1 Method for crystallizing amino acid |
| 08/23/1990 | CA2027578A1 Polynitrogen derivatives and their metal complexes used for oxygen fixation |
| 08/21/1990 | US4950429 Preparation of 6-aminocaproic acid |
| 08/14/1990 | US4948909 Process for the preparation of iminodiacetonitrile and iminodiacetic acid |
| 08/14/1990 | US4948805 Salt of diclofenac with a pyrrolidine compound and pharmaceutical compositions which contain it |
| 08/08/1990 | EP0380712A1 Process for the preparation of 2,6-dichlorodiphenylaminoacetic-acid derivatives |
| 08/07/1990 | US4946999 Chemical intermediates, antibiotics |
| 08/07/1990 | US4946971 Blocking agent |
| 07/31/1990 | US4945098 Novel propane-1,3-diol derivatives and use |
| 07/31/1990 | CA1272350A1 Pure amino acid chelates |
| 07/25/1990 | EP0379423A1 Process for the preparation of phenylpropionic acid |
| 07/24/1990 | US4943310 Cyclohexenecarboxylic acid derivatives as plant growth regulants |
| 07/19/1990 | DE3844410A1 Inversion of the alcohol configuration in alpha-amino alcohols via intramolecular substitution of the sulphonate groups |
| 07/18/1990 | CN1043934A Method of abstracting compound amino acid in silkworm chrysalis |
| 07/17/1990 | US4942221 Process for obtaining α-amino nitriles and their applications to organic synthesis |
| 07/17/1990 | US4942176 N-substituted aminoalkanoic acids, a process for their preparation, their use and pharmaceutical products based on these compounds |