Patents for C07C 227 - Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton (10,339) |
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01/19/2006 | US20060014947 Levofloxicin prepared by reduction of an entantiomorph of 2,3,4 trihalo,N-(1-alkoxycarbonylethyl-)aniline by a metal borohydride in an aprotic solvent and alcohol; reacting the product with a 2,2-dialkoxycarbonyl-ethyl halide; cyclization using a base and phase transfer agents; optical purity;efficiency |
01/18/2006 | EP1615875A2 Process for the preparation of gabapentin form-ii |
01/17/2006 | CA2218921C Preparation of a crystalline solid from glycine-n,n-diacetic acid derivatives with sufficiently low hygroscopicity |
01/15/2006 | CA2511935A1 Water-soluble aspartate |
01/12/2006 | WO2006002972A1 Process for the preparation of gabapentin |
01/12/2006 | WO2005113483A3 Levalbuterol hydrochloride polymorph a |
01/12/2006 | US20060009656 Such as anhydrous betaine and betaine hydrochloride, by treating chloroacetic acid with sodium carbonate, and then dropping liquid trimethylamine, wherein ion exchange resin and decompression are used to assure high product purity and yield |
01/12/2006 | US20060009524 Methods for producing D-beta-hydroxyamino acids |
01/11/2006 | CN1718569A Method of preparing ethylenediamine tetracetonitrile and ethylenediamine tetraacetic acid using hydroxy acetonitrile as raw material |
01/11/2006 | CN1235871C Process for preparing D-tyrosine |
01/11/2006 | CN1235867C Method for preparing aromatics |
01/10/2006 | US6984739 Process for preparing R-(−)-carnitin from S-(−)-chlorosuccinic acid or from a derivative thereof |
01/10/2006 | CA2396090C Asymmetric synthesis of pregabalin |
01/05/2006 | WO2006000904A2 Preparation of pregabalin and related compounds |
01/05/2006 | US20060004222 Preparation of 2-ethyl-4-methoxyphenylboronic acid by methylation of 3-ethylphenol, bromination, reacting with butyllithium to form the lithium salt, and reacting with tributyl borate; product may be reacted with a protected derivative of the trifluoromethanesulfonate of tyrosine |
01/05/2006 | US20060004103 Method for producing lysine derivative |
01/04/2006 | CN1715266A Method for producing ethylenediamine tetraacetic acid directly from cyanogen containing industrial waste water |
01/04/2006 | CN1234680C Image forming agent, its precursor and preparing process thereof |
01/04/2006 | CN1234679C Shortened synthesis of 3, 3-diaryl propylamine derivatives |
01/03/2006 | US6982335 Synthesis of substituted thiazoline carboxylic acids |
12/29/2005 | US20050288366 Administering N-(4-carboxybutyl)-N-(p-carboxybenzyl)-benzyl- or phenethyl-amine derivatives: 4-({(4-Carboxybutyl)[3-(4-cyclohexylphenoxy)benzyl]amino}methyl)-benzoic acid; stimulate soluble guanylate cyclase also via a novel mechanism of action which takes place without involvement of the heme group |
12/29/2005 | US20050284813 Process for producing amino acid or salt thereof by column technique and production apparatus thereof |
12/28/2005 | CN1233620C Method for preparing procaine |
12/28/2005 | CN1233619C Glutamic acid extraction technology in production of glutamic acid by fermentation method |
12/22/2005 | WO2005121291A1 Surfactant composition method for production thereof and cosmetic comprising said composition |
12/22/2005 | WO2005121079A1 Process for preparing amino acids using the amidocarbonylation reaction (1) |
12/22/2005 | WO2005121068A1 Process for preparing amino acids using the amidocarbonylation reaction |
12/22/2005 | WO2005092837A3 Process for the preparation of gabapentin |
12/22/2005 | US20050283023 Preparation of pregabalin and related compounds |
12/22/2005 | US20050283021 Reacting compounds such as N-butoxycarbonyl-tyrosine with compounds such as benzyl chloride in the presence of an alkali metal alkoxide, in alcohol for producing O-arylmethylene- or O-(hetero ring-methylene)-substituted tyrosine compound |
12/21/2005 | EP1606243A1 Process for the preapaation of chiral beta amino acid derivatives by asymmetric hydrogenation |
12/20/2005 | US6977311 enantiomerically pure; converting pyroglutamic acid, salt or ester to a 4-enamine derivative; hydrolysis to a 4-hydroxymethylidene derivative; reduction; and decyclization using a strong base |
12/15/2005 | WO2005118525A1 Synthesis of amino-alkoxy-heptanoic alkyl ester |
12/15/2005 | WO2005117526A2 An improved process for the purification of gabapentin |
12/15/2005 | CA2567914A1 Synthesis of amino-alkoxy-heptanoic alkyl ester |
12/14/2005 | EP1603863A1 Process for the preparation of amino methyl cyclo alkane acetic acids |
12/14/2005 | EP1603558A1 Process for preparation of perindopril and salts thereof |
12/14/2005 | EP1341749B1 Process for the preparation of gabapentin |
12/14/2005 | CN1231460C Process for the preparation of (R)-or (S)-aminocarnitine inner salt, the salts and derivatives thereof |
12/13/2005 | US6974879 Process for preparing single enantiomers of 5,5,5,5′,5′,5′-hexafluoroleucine and protected analogs |
12/08/2005 | WO2005115971A1 Radioactive tyrosine derivative, method for producing same, labeling agent for positron imaging and medical agent for assessing grade of malignancy of tumor respectively composed of radioactive tyrosine derivative, and method for detecting tumor |
12/08/2005 | WO2005090294A3 PROCESS OF MAKING α-AMINOOXYKETONE/α-AMINOOXYALDEHYDE AND α-HYDROXYKETONE/α-HYDROXYALDEHYDE COMPOUNDS AND A PROCESS OF MAKING REACTION PRODUCTS FROM CYCLIC α,ß-UNSATURATED KETONE SUBSTRATES AND NITROSO SUBSTRATES |
12/08/2005 | US20050272821 Levalbuterol hydrochloride Polymorph A |
12/08/2005 | US20050272665 Synthesis of alpha-amino-beta-alkoxy-carboxylic acid esters |
12/01/2005 | WO2005113483A2 Levalbuterol hydrochloride polymorph a |
12/01/2005 | WO2005113482A1 Levalbuterol hydrochloride polymorph b |
12/01/2005 | WO2005113481A1 Preparation of levalbuterol hydrochloride |
12/01/2005 | WO2005113471A1 Method of labeling with isotope of oxygen |
12/01/2005 | US20050267216 suspending or forming a slurry of the R enantiomer of albuterol dibenzoyl tartrate complex in at least one solvent;adding hydrogen chloride in a C1-C4 alcohol to the suspension or slurry until levalbuterol hydrochloride Polymorph B is obtained |
12/01/2005 | CA2556921A1 Levalbuterol hydrochloride polymorph b |
12/01/2005 | CA2556920A1 Levalbuterol hydrochloride polymorph a |
12/01/2005 | CA2556904A1 Preparation of levalbuterol hydrochloride |
11/30/2005 | CN1229332C Extraction process of 15N-L-phenylalanine |
11/29/2005 | US6969768 Preparation of 4-haloalkylnicotinic esters |
11/29/2005 | CA2144476C Process for preparing aminoethylglycine |
11/24/2005 | US20050261368 N-(tert-butyl)-2-methoxy-2-(4-hydroxy-3-(hydroxymethyl)phen-1-yl)-ethanamine; reduced steps for synthesis while maximizing synthetic yield without sacrificing compound purity; adding D-dibenzoyltartaric acid to mixture of racemic salbutamol in methanol; crystallizing, recrystalling in second solvent |
11/23/2005 | CN1699325A A process for the preparation of 2-chloro-3-(phenylmethoxy)propionic acid potassium salt |
11/23/2005 | CN1228312C Process for synthesizing beta-amino acid using ketone as raw material |
11/23/2005 | CN1228311C Amino acid racemization method |
11/22/2005 | CA2162122C Use of glycine-n,n-diacetic acid derivatives as biodegradable complexing agents for alkaline earth and heavy metal ions, and method of preparing them |
11/16/2005 | EP1330464B1 Phosphino-aminophosphines, catalyst complexes and enantioselective hydrogenation |
11/15/2005 | US6965040 Photogenerated reagents |
11/15/2005 | CA2379908C Preparation of metal complexes of amino acids obtained by hydrolysis of soy protein |
11/10/2005 | WO2005105730A2 Method of preparing an alcohol from a halogenoaromatic compound and an aldehyde |
11/09/2005 | CN1226275C Method for preparing dextrorotary phenylalanine by asymmetric conversion method |
11/09/2005 | CN1225972C Fungicidal compositions based on (N-phenylacetyl-N-2,6-xylyl) alaninate |
11/03/2005 | WO2005103280A1 Process for producing optically active 4-(n-protected amino)-1-alken-3-ol and process for producing therefrom 3-benzamido-2-hydroxycarboxylic acid or salt thereof |
11/03/2005 | WO2005102988A1 Method of separately collecting optically active amino acid amide and optically active amino acid |
11/03/2005 | US20050245762 Isolating chlorosuccinic acid by cooling to 10-20 degrees C. to effect precipitation, where the acid has been prepared by reacting a suspension of aspartic acid in demineralized water containing NaCl with NaNO2 and aqueous HCl; mother liquors from previous reactions may be used as partial substitutes |
11/02/2005 | EP1257524B1 A process for the preparation of salts of l-carnitine and alkanoyl l-carnitine with mucic acid |
11/02/2005 | CN1690043A Chemical process for synthesizing amino acid |
10/27/2005 | WO2005100302A1 Solid state forms of (-)-(1r,2s)-2-amino-4-methylene-cyclopentanecarboxylic acid |
10/27/2005 | WO2005100300A1 5-aminolevulinic acid salt, process for producing the same and use thereof |
10/27/2005 | CA2562170A1 5-aminolevulinic acid salt, process for producing the same and use thereof |
10/26/2005 | EP1588998A1 A process for the preparation of 2-chloro-3-(phenylmethoxy)propionic acid potassium salt |
10/20/2005 | WO2005097734A1 Method of purifying amino acid |
10/20/2005 | WO2005097733A1 Process for the preparation of enantiomerically enriched beta amino acid derivatives |
10/20/2005 | WO2005097713A1 Fluoridation method |
10/20/2005 | CA2561973A1 Process for the preparation of enantiomerically enriched beta amino acid derivatives |
10/19/2005 | EP1586555A2 Storage stable iminodisuccinates solutions |
10/19/2005 | CN1683322A Process for preparing gabapentin |
10/19/2005 | CN1683321A Degradable chelate surfactant and producing method |
10/13/2005 | WO2005095360A1 Neurologically-active compounds |
10/13/2005 | WO2005095325A1 PROCESS FOR THE PREPARATION OF β-AMINOCARBOXYLIC ACIDS |
10/13/2005 | US20050228190 C1-symmetric bisphosphine ligands and their use in the asymmetric synthesis of pregabalin |
10/13/2005 | US20050226776 Use of microfabricated devices |
10/13/2005 | CA2563038A1 Neurologically-active compounds |
10/12/2005 | CN1681936A Process for producing optically active erythro 3-cyclohexylserines |
10/12/2005 | CN1680361A Preparation of cyclohexene carboxylate derivatives |
10/12/2005 | CN1680293A Processes for the production of alpha-difluoromethyl ornithine (dfmo) |
10/12/2005 | CN1680282A Microwave depsun method of photo-active amino acid or salt thereof |
10/12/2005 | CN1680281A Process for preparing amino acid esters and their acid addition salts |
10/11/2005 | US6953865 reacting (R)- or (S)- nitryloxycarnitine with sodium azide; hydrogenation to the intermediate azidocarnitine of same configuration; no isolation |
10/06/2005 | WO2005092837A2 Process for the preparation of gabapentin |
10/06/2005 | US20050222524 Apparatus and method for applying variable localized pressure to the human body |
10/06/2005 | US20050222378 Methods of synthesis of polysuccinimide, copolymers of polysuccinimide and derivatives thereof |
10/06/2005 | US20050222255 Process for producing trans-4-amino-1-cyclohexanecarboxilic acid derivative |
10/06/2005 | US20050217816 Storage-stable iminodisuccinate solutions |
10/06/2005 | DE102004012873A1 Lagerstabile Iminodisuccinatlösungen Storage stable Iminodisuccinatlösungen |
10/05/2005 | EP1581475A1 Synthesis of (r) and (s)-aminocarnitine and derivatives thereof from d-and l-aspartic acid |