Patents
Patents for C07C 319 - Preparation of thiols, sulfides, hydropolysulfides or polysulfides (8,304)
03/2003
03/12/2003CA2422024A1 Process for the production of chiral compounds
03/11/2003US6531101 Continuous hydrolysis process for preparing 2-hydroxy-4-methylthiobutanoic acid or salts thereof
03/06/2003WO2003018544A1 Process for the preparation of cilastatin
03/06/2003WO2002042261A3 PROCESS FOR PREPARING α-(3-ARYLTHIO)-ACETOPHENONES
03/06/2003US20030045753 Process for the production of methionine
03/06/2003US20030045741 Lithium salt of 4- fluorophenyl methyl sulfone as the chemical intermediate; drug with antiandrogen activity
03/06/2003CA2458505A1 Process for the preparation of cilastatin
03/05/2003EP1286984A2 Method for the preparation of tetrahydrobenzothiepines
03/05/2003CN1400967A Process for preparing 2-hydroxy-4-methylthiobutanoic acid
03/05/2003CN1400966A Process for the production of methionine
03/04/2003US6528462 Process for inhibiting the emission of hydrogen sulfide and/or mercaptans from sulfurized organic compounds
02/2003
02/27/2003WO2003016271A1 Treatment of ditertiarydodecyldisulfide with ammonium hydroxide for color removal
02/27/2003WO2002069909A3 Synthesis of ketosulfone esters
02/27/2003US20030040633 Useful for therapy of HIV-related diseases based on its inhibitory action on proteases derived from viruses
02/25/2003US6525225 Reacting a nitro-substituted acetophenone with (1) a mercaptan to replace the nitro group with an alkyl- or phenyl-thio group; or (2) nitroethane to replace the acetyl group with a 1-nitroethyl group
02/25/2003US6525204 Oximination reaction of nitro-o-methylphenyl compound with organic nitrite; cyclization with alkene in basic catalyst presence; reduction, bromination, oxidation, carboxylation
02/19/2003EP1283826A1 A process for preparing carotenoid polyene chain compounds and intermediates for preparing the same
02/19/2003CN1101809C Processes for preparing 3-arylsulfur hydroxamic acids
02/13/2003WO2003011819A1 Butyric acid derivatives
02/13/2003CA2455749A1 Butyric acid derivatives
02/12/2003CN1101374C Synthesis of alpha-chloro or fluoro ketones
02/11/2003US6518460 Processes for preparing 3-arylsulfur hydroxamic acids
02/11/2003US6518459 Such as di-, tri- and tetra-sulfides by reacting a mercaptan and a sulfur compound in the presence of a catalyst and cleaning the filter which traps solid and gelatinous materials present in the crude product by using a solvent
02/11/2003US6518240 Composition and method for preparing amino acid chelates and complexes
02/06/2003WO2003010148A1 Pyrazoline derivatives and their use as pesticides
02/06/2003WO2003010122A1 Interfacial method of preparing ester-substituted diaryl carbonates
02/06/2003US20030028033 Which are used as herbicides, by forming a 2-(isoxazol-3-yl)-aniline compound of given formula and then halogenation, thioalkylation, oxidation and acylation; fewer steps, efficiency
02/06/2003US20030027963 Polymerizing a bis(hydrocarbylthio)methylaromatic compound to form a sulfide-substituted polyarylenevinylene and oxidizing the sulfide group
02/05/2003EP0842149B1 Process for the preparation of 3-(methylthio)propanal
02/05/2003EP0742201B1 Process for producing aromatic or heteroaromatic sulfur compounds
01/2003
01/30/2003WO2002010151A2 Method for producing lipoic acid and dihydrolipoic acid
01/30/2003CA2417842A1 Method for producing lipoic acid and dihydrolipoic acid
01/29/2003EP1278724A1 Composition of polysulfides having a reduced odor level
01/29/2003EP1064259B1 N,N'-Diacylthiocystines
01/28/2003US6512140 Cyclization, iminoesterification, hydrolysis, in situ oxidation, sulfiding, cleavage, and purification
01/28/2003US6511670 (poly)thiaalkynoic compounds and pharmaceutical/cosmetic compositions comprised thereof
01/28/2003CA2124375C Compounds containing a fused bicyclic ring and processes therefor
01/23/2003WO2003006021A1 Alpha-hydroxyamide statine derivatives for the treatment of alzh eimer's disease
01/23/2003US20030018200 Preparation of isoxazolin-3-ylacylbenzenes
01/23/2003US20030018192 Preparation of substituted aromatic compounds
01/23/2003CA2453447A1 Alpha-hydroxyamide statine derivatives for the treatment of alzheimer's disease
01/22/2003EP1277732A2 Method for the preparation of polymeric sulphur compounds
01/22/2003EP1277731A1 Process for producing bishalophenyl disulfide
01/22/2003EP1277726A1 Process for the preparation of 2-halobenzoic acids
01/22/2003EP1276736A2 Regioselective synthesis of 3,4-di(carbocyclyl or heterocyclyl)thiophenes
01/22/2003EP1276716A2 Metal chelating compositions
01/22/2003CN1392144A 3-amino-2-mercapto phenyl formic acid erivative and its preparation
01/21/2003CA2026690C Pleuromutilins
01/20/2003CA2393925A1 Process for the preparation of polymeric sulfur compounds
01/16/2003US20030013847 Pyruvate derivatives
01/16/2003US20030013846 Cytoprotective agents
01/16/2003US20030013760 Substituted 1-naphthoylguanidines, process for their preparation, their use as a medicament or diagnostic, and medicament containing them
01/16/2003US20030013704 Adamantane derivatives
01/16/2003US20030013657 Reducing oxidation stresses; central nervous system disorders; antiinflammatory agents
01/16/2003US20030013656 Reducing oxidation stresses; central nervous system disorders; antiinflammatory agents
01/15/2003EP1275631A2 Fluorination with aminosulfur trifluorides
01/15/2003EP1275630A1 Process for producing substituted aromatic compound
01/15/2003EP0705060B1 Regeneration of sulfuric acid from sulfate by-products of 2-hydroxy-4-(methylthio)butyric acid manufacture
01/15/2003CN1390832A N,N'-diacetylcystine-arginine salt and its preparing process and usage
01/15/2003CN1098837C Serial-alkyl-1-alkoxy-1-alkylsulfonyl methane compounds and its preparing method
01/14/2003US6506926 Process for the preparation of 2-alkythiobenzonitrile derivatives
01/14/2003US6506904 Reacting 3-mercaptopropionic ester with aqueous solution of amine; reacting N-substituted-3-mercaptopropionamide with hydrogen peroxide; amidation, halogenation, cyclization
01/14/2003US6506286 Reactant, compound and process for the perfluoroalkylation of a nucleophile, and the derivatives obtained
01/09/2003WO2001068637A3 Method for the preparation of tetrahydrobenzothiepines
01/08/2003EP1272452A2 Process for the preparation of (r)-2-bromo-3-phenyl-propionic acid
01/08/2003EP1272444A1 Production of alkylated aromatic compounds using dealuminated catalysts
01/08/2003EP1242521A4 Recovery of modifier compounds and polar organic compounds from a poly(arylene sulfide) recycle mixture
01/08/2003EP1025080B1 Process for the recycle of a waste product of diltiazem synthesis
01/08/2003CN1098252C Process for the preparation of 2-hydroxy-4-(methylthio) butanoic acid or methionine by mercaptan addition
01/07/2003US6504049 Process for synthesizing pharmaceutically active disulfide salts
01/02/2003EP1270535A2 Method to synthesise substituted aromatic compounds
01/02/2003EP1268396A1 Diphenyl ether compounds useful in therapy
01/02/2003EP1268051A2 Dosing form for reagents, use of said dosing form in organic chemical synthesis and production of said dosing form
01/01/2003CN1388117A Process for prodcing 3-aryl sulfate iso-hydroximic acid
12/2002
12/31/2002US6500988 Method for producing aryl thiols by hydrogenating diaryldisulphides
12/31/2002US6500985 Process for producing alpha-aminoketones
12/27/2002WO2002102745A1 Production of hydrocarbons from mercaptans
12/27/2002WO2002072540A3 Improved methods of ortho alkylation
12/26/2002US20020198410 Process for the preparation of diorganotrisulfide
12/19/2002WO2002100850A1 Processes for preparation of heterocyclic compounds
12/19/2002WO2002100824A1 A novel alkaloid derivative and a pharmaceutical composition containing the same
12/19/2002WO2002100818A2 Aminediols as agents for the treatment of alzheimer's disease
12/19/2002WO2002100339A2 Novel process for preparing rac-bicalutamide and its intermediates
12/19/2002CA2450205A1 Aminediols for the treatment of alzheimer's disease
12/19/2002CA2448571A1 Novel process for preparing rac-bicalutamide and its intermediates
12/18/2002EP1266886A1 Process for producing 4-bromothioanisole
12/18/2002EP1266885A1 Process for preparing 2-hydroxy-4-methylthiobutanoic acid
12/18/2002EP1265858A1 Hydrogen reduction of sulfonyl chlorides to thiols
12/18/2002CN1386124A Method of preparing a polymer, method of preparing a compound, compounds, polymers, and method for manufacturing and electronic device
12/17/2002US6495713 Reacting pivaloyl chloride with hydroxyketosulfide compound and trialkylamine in the presence of a catalyst in a substantially non-reactive solvent to form ketoester sulfide compound; oxidizing to form ketoester sulfone compound
12/12/2002US20020188122 Such as pyridine-4-carboxaldehyde-(4-Morpholinylprop-3-yl) imine for use in therapy as cytokine inhibitors
12/11/2002EP1264827A1 Process for the preparation of Tosylbenzylformamides
12/11/2002EP1263718A1 Novel use of phenylheteroalkylamine derivatives
12/11/2002EP1263717A1 Process for the production of methionine
12/11/2002EP1263715A1 Novel phenylheteroalkylamine derivatives
12/05/2002US20020183552 Process for the preparation of acetamide derivatives
12/05/2002US20020183362 2-Fluorobenzenesulfonyl compounds for the treatment of inflammation
12/03/2002US6489365 Ltb4-antagonistic compounds for treatment of inflammation, allergy or gastropathy induced by non-steroidal antiinflammatory agents in a warm-blooded animals
11/2002
11/28/2002WO2002094771A1 Process for the production of a sulphur-containing compound
11/28/2002WO2002094764A1 Anti-inflammatory and immunomodulatory amino acid derivatives, their preparation and use
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