Patents
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Patents for C07C 319 - Preparation of thiols, sulfides, hydropolysulfides or polysulfides (8,304)
01/2001
01/04/2001WO2001000608A1 Process for the synthesis of n-(4-cyano-3-trifluoromethylphenyl)-3-(4-fluorophenylsulfonyl)-2-hydroxy-2-methylpropionamide
01/03/2001EP1064274A1 Benzenesulfonamide derivatives and their use as medicaments
01/03/2001EP1064259A1 New compounds
01/03/2001EP1064243A1 Coupling reactions with palladium catalysts
01/03/2001EP0799262B1 Process for preparation of epoxy compounds
01/03/2001CN1060159C Preparation for aromatic nitrile compound
01/02/2001US6169210 Continuously feeding mercaptans, elemental oxygen and carbon dioxide coolant into a contact with solid phase catalyst which is a doped aluminum oxide catalyst to form dialkyl disulfide, separting, withdrawing product and carbon dioxide
12/2000
12/27/2000EP1063241A1 Pharmaceutical preparations comprising thioctic acid or dihydrolipoic acid in the form of inclusion compounds with cyclodextrins oder cyclodextrin derivatives and in the form of granulates, chewing-or effervescent tablets
12/26/2000US6166250 Continuous hydrolysis process for the preparation of 2-hydroxy-4-methylthiobutanoic acid
12/21/2000WO2000047031A3 Chemical partitioning agents and methods of using same
12/21/2000WO2000044709A3 ACETYLENIC α-AMINO ACID-BASED SULFONAMIDE HYDROXAMIC ACID TACE INHIBITORS
12/20/2000EP1060168A2 Method for preparing sulfanyl-type endothelin receptor antagonists
12/20/2000CN1277603A S-(4-Biphenyl)-thiosulphuric acids and their salts method for producing the same and method for producing 4-mercaptobiphenyls
12/20/2000CN1277602A Method for producing aryl thiols by hydrogenating diaryldisulphides
12/20/2000CN1059677C Process for producing alpha-mercaptocarboxylic acid
12/19/2000US6162952 Production of mercaptans using heterogeneous acidic catalysts
12/19/2000CA2202145C Enhanced solubilization of zinc and manganese methionine complex salts by addition of ferric ion
12/13/2000EP1059288A1 Process for the ring cleavage of thiazolidine derivatives
12/12/2000US6160132 Chemical intermediate for matrix metalloproteinase (mmp) inhibitor formed by cyclization and iodination of an unsaturated acid/amide and then replacing iodine group with mercaptan or protected sulfur group
12/12/2000US6159352 Process for the electrochemical synthesis of N-acetylcysteine from cystine
12/12/2000CA2041305C Process for the resolution of 3-(4-substituted-phenyl)-glycidic acid derivatives
12/06/2000CN1059204C Process for preparation of dimethyl thio-ether and methylthio-alcohol
12/05/2000US6156902 Bis-o-amino (thio) phenols, and their preparation
12/05/2000US6156163 Reactant, compound and process for the perfluoroalkylation of the nucleophile, and the derivatives obtained
11/2000
11/30/2000WO2000071500A1 Halogen compounds
11/29/2000EP1054862A2 Process for the production of organic disulphides
11/29/2000CN1275077A Process to make chiral compound
11/29/2000CN1274717A Prepn. of methionine
11/28/2000US6153787 Intermediates for making heterocycles useful as COX-2 inhibitors
11/23/2000WO2000069800A2 Process for preparing ketones or aldehydes
11/23/2000DE19922934A1 New 5,5-dihalo- or 4,5,5-trihalo-4-pentenoic acid derivatives, useful as bactericides, fungicides, insecticides, acaricides and nematocides, especially plant fungicides
11/22/2000EP1054000A1 Process for producing optically active cysteine derivatives
11/22/2000EP1053225A1 Process for the preparation of s-alkylcysteines
11/22/2000CN1273969A Process for extracting alliin from garlic
11/22/2000CN1273967A Novel substituted dimeric compounds, its preparing process and medicinal compsns. containing same
11/21/2000US6150567 Reacting carbonyl compound with organoaluminum compound to form an alcohol compound
11/21/2000US6150563 Comprising aliphatic alkanal, water tartaric acid which forms complex with metal impurities to improve storage stability; oxidation resistance
11/21/2000US6150557 Compounds
11/21/2000CA2083639C Substituted phenyl phenol leukotriene antagonists
11/16/2000DE19919336A1 Hydrolysis of thiazolidine derivative using acidic cation exchanger, giving 2-aminomercaptan derivative, e.g. cysteine or penicillamine, and carbonyl compound in high yield and purity
11/15/2000CN1273244A Method for preparing cyclic thioamide compound
11/15/2000CN1273239A (Poly) thia acetylenic acid and it derivative, composite containing them and its application
11/14/2000US6147257 Process for the preparation of S-alkylcysteines
11/14/2000US6146612 Method for recovering sulfuric acid from sulfate salts
11/08/2000CN1058259C Method for producing low salt compound amino-acid powder by cystine mother solution and its equipment
11/07/2000US6143935 Process for the preparation of 1,3-dicarbonyl compounds
11/02/2000WO2000064848A1 Method for the dihydroxylation of olefins using transition-metal catalysts
11/02/2000WO2000064844A1 Method for the asymmetric dihydroxylation of olefins, using osmium catalysts
11/02/2000CA2371186A1 Method for the asymmetric dihydroxylation of olefins, using osmium catalysts
11/02/2000CA2371183A1 Method for the dihydroxylation of olefins using transition-metal catalysts
11/01/2000CN1058001C 4-Mercaptobenzoylguanidine derivatives
11/01/2000CN1058000C Bisaminothiophenol compound, process for synthesizing and use thereof
10/2000
10/31/2000US6140536 From hydrogen cyanide and methylmercaptopropionaldehyde
10/26/2000DE19920039A1 Preparation of chiral 1,2-diols, useful as intermediates e.g. for pharmaceuticals, agrochemicals, cosmetics and chiral polymers, by hydroxylation of an olefin in the presence of oxygen, an osmium compound and a chiral amine
10/26/2000DE19920038A1 Preparation of 1,2-diols, used e.g. as a solvent or intermediate for polymers, agrochemicals, cosmetics and pharmaceuticals, by hydroxylation of an olefin in the presence of oxygen and an osmium, ruthenium or manganese compound
10/25/2000EP1046634A1 Processes for producing beta-halogeno-alpha-amino-carboxylic acids and phenylcysteine derivatives and intermediates thereof
10/25/2000EP1046393A1 Composition containing at least one bicyclic aromatic compound and at least one 2-alkyl-1-alkanol or an ester, and its use
10/25/2000EP1045831A1 Solid supported synthesis of hydroxamic acids
10/25/2000CN1271340A Process for recycle of waste product of diltiazem synthesis
10/19/2000WO2000061538A1 Preparation of substituted aromatic carboxylic acid esters
10/19/2000WO2000061527A2 The use of metal dithiolene complexes in selective olefin recovery
10/19/2000WO2000035866A3 Hydroxythiol grignard reaction synthesis
10/19/2000CA2369046A1 The use of metal dithiolene complexes in selective olefin recovery
10/19/2000CA2305942A1 Composition containing at least one aromatic bicyclic compound and at least one 2-alkyl alcan-1-ol or an ester, and its uses
10/18/2000EP1044980A1 Process for producing toluene derivatives
10/18/2000EP1044966A1 (Poly)thia-alkyne compounds and their derivatives, compositions containing them and their use
10/18/2000EP1044965A1 Process for the preparation of aromatic sulfur compounds
10/18/2000CN1270165A Preparation of difluorobenzoethylketone derivatives
10/17/2000US6133461 Process for producing amide derivatives and intermediates therefor
10/12/2000WO2000059879A1 Method of preparing n,n'-disubstituted-3,3'-dithiodipropionamide and method of preparing substituted 3-isothiazolone by using the same
10/12/2000WO2000059877A1 Process for the preparation of hydroxy methylthiobutyric acid esters
10/12/2000WO2000059847A1 PROCESS FOR THE PREPARATION OF α-HYDROXY ACIDS
10/12/2000CA2367026A1 Process for the preparation of hydroxy methylthiobutyric acid esters
10/11/2000EP1042290A1 Aromatic sulfone hydroxamic acid metalloprotease inhibitor
10/11/2000EP1042282A1 Method for preparing aromatic thiols and derivatives, reagents, intermediate products and method for obtaining them
10/10/2000US6130352 Resolution, salt formation, and precipitation using a-methylbenzylamine; purification
10/10/2000US6130348 Silylation of carbamate group to protect; alkylation with alkyllithium
10/10/2000US6130346 Process for preparing an organic compound from an oxirane-containing compound in the presence of a tris(triaminophosphoranylideneamino)phosphine oxide
10/04/2000EP1041070A1 Process for preparing cyclic thioamides
10/04/2000EP0848697B1 Process for the hydrogenation of imines
10/03/2000US6126972 Process for the preparation of aqueous sodium methioninate solutions and use of those solutions in the production of a granulate
09/2000
09/28/2000WO2000056692A1 Production of formaldehyde from ch4 and h2s
09/28/2000CA2368048A1 Production of formaldehyde from ch4 and h2s
09/27/2000EP1038863A2 Substituted dimeric compounds, process for their preparation and pharmaceutical compositions thereof
09/26/2000US6124502 Mercaptoketones and mercaptoalcohols and a process for their preparation
09/26/2000US6124462 Preparing arylamine and biaryls
09/21/2000WO2000055126A2 N-cyanomethylamides as protease inhibitors
09/21/2000WO2000055125A2 N-cyanomethyl amides as protease inhibitors
09/21/2000CA2368148A1 Novel compounds and compositions as protease inhibitors
09/21/2000CA2368122A1 Novel compounds and compositions as protease inhibitors
09/20/2000CN1267283A Process for preparation of 2-alkylthiobenzonitrile derivs.
09/19/2000US6121496 Aromatic thioether acylation method
09/19/2000US6121468 Process for producing amide derivatives and intermediate compounds
09/19/2000US6120692 Use of metal dithiolene complexes in selective olefin recovery (law760)
09/14/2000WO2000053544A1 Process for producing carboxylic acid derivative and condensing agent comprising quaternary ammonium salt
09/13/2000EP0876339B1 Method for preparing mercaptocarboxylic acids from unsaturated carboxylic acids
09/13/2000CN1266430A Process for preparing optically active phenyloxirane compounds
09/13/2000CN1056367C Process of preparing ethyl ammonia sulfate
09/13/2000CN1056366C Method for using chicken feather to produce cystine and additive of composite amino-acid
09/06/2000EP0711146B1 Osmotic device having a vapor-permeable coating
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