Patents
Patents for C07C 319 - Preparation of thiols, sulfides, hydropolysulfides or polysulfides (8,304)
12/1999
12/08/1999EP0961769A1 Process for the preparation of 2-hydroxy-4-(methylthio)butanoic acid or methionine by mercaptan addition
12/08/1999EP0787124B1 Process for the preparation of substituted 3-aminobenzonitriles
12/07/1999US5998670 By-product inhibition; reacting thiophenol with hydrogen peroxide
12/07/1999US5998664 Continuous hydrolysis process for the preparation of 2-hydroxy-4-methylthiobutanoic acid
12/07/1999US5998637 Process for preparing optically active trans-3-substituted glycidic acid ester
12/07/1999US5998564 Curing agent for fluoropolymers
12/02/1999CA2273637A1 Process for preparing perfluoroalkyl aryl sulfides and novel perfluoroalkyl aryl sulfides
11/1999
11/30/1999US5994391 Benzothiepines having activity as inhibitors of ileal bile acid transport and taurocholate uptake
11/25/1999WO1999059965A1 A process for producing an organic trisulfide compound
11/25/1999WO1999059947A1 Process for preparing ethers and esters
11/25/1999WO1999059941A1 Method for orthometalation of a carbocyclic aromatic derivative bearing at least an electron donor group
11/24/1999EP0959068A2 Process for the preparation of aqueous sodium methioninate solutions and use of these solutions for the preparation of a granulate
11/24/1999EP0958277A1 Nitric oxide synthase inhibitors
11/24/1999CN1235966A Process for preparation of aqueous sodium methioninate solutions and use of those solutions in production of granulate
11/23/1999US5990349 Catalyzing the hydrolysis of 5-(2-methylmercaptoethyl)-hydantoin in the presence of an aqueous solution containing alkali metal, carbon dioxide and ammonia, forming alkali metal salt of methionine, desalting
11/23/1999US5990173 Anticholesterol agents; treating atherosclerosis; enzyme inhibitors of acylcoenzyme a:cholesterol acyltransferase (acat)
11/18/1999WO1999058509A1 Method for producing isoxazoline-3-yl-acyl benzene
11/18/1999DE19822099A1 Verfahren zur Herstellung von wäßrigen Natriummethioninat-Lösungen und Verwendung dieser Lösungen zur Herstellung eines Granulats A process for the preparation of aqueous sodium methioninate solutions, and use of these solutions for the production of a granulate
11/18/1999CA2727762A1 Process for synthesizing thioether precursors of herbicides by reaction of anilines with dialkyl disulfides in the presence of an alkyl nitrite
11/17/1999CN1235141A Process for preparing organic compound
11/17/1999CN1046525C Compounds containing fused bicyclic ring and preparation thereof
11/16/1999US5986143 Method of producing bis(4-alkylthiophenyl) disulfides
11/16/1999CA2271914A1 Process for the preparation of aqueous sodium methioninate solutions and use of those solutions in the production of a granulate
11/11/1999WO1999044988A3 Method for preparing sulfanyl-type endothelin receptor antagonists
11/09/1999US5981809 Reducing optically active starting material that includes an alpha-, beta-, or gamma-hydroxy or mercapto aldehyde, ketone, ester, or amide in anhydrous solvent, adding coreactant substituted by one or two hydroxyl or mercapto groups
11/09/1999US5981794 Reacting a beta-benzoylacrylic acid derivative with a 1-arylethylamine derivative
11/02/1999US5977011 Catalyst, process for its preparation, and use for synthesis of methyl mercaptan
11/02/1999US5976609 Reacting hydrocyanic acid with methylmercaptopropionaldehyde;hydrolysis in sulfuric acid; heating; extraction; animal feed additive
10/1999
10/28/1999WO1999054296A1 Process for producing arylsulfenyl halide
10/28/1999CA2326584A1 Process for producing arylsulfenyl halide
10/26/1999US5973204 3-demethyl benzo(a)heptalene derivative used as antiinflammatory and muscle relaxant
10/26/1999US5973200 Free radical addition of methyl mercaptan to a nonconjugated olefinic substrate having a terminal carbon-carbon double bond
10/26/1999US5973198 Hydration and successive hydrolysis of 2-hydroxy-4-methylthiobutyronitrile in a solution containing sulfuric acid and ammonium bisulfate
10/20/1999EP0950649A1 A process for preparing oxyalkylene derivatives in the presence of phosphine oxides
10/20/1999CN1232024A Synthesis of organic disulphides and polysulphides
10/19/1999US5969184 Amide compounds
10/19/1999US5969086 Quaternary bisphenolates, methods for their preparation, and uses thereof
10/14/1999WO1999051663A1 Sulphur products for adding a polythiol on a norbornene derivative, preparation method and use for obtaining radical cross-linking products
10/14/1999WO1999051276A1 Tin-free rhenium(v) complexes and methods for their preparation
10/13/1999CN1231658A Process for producing mercaptoalkanesulfonates and phosphonates and derivatives thereof
10/13/1999CN1231284A Novel process for simutaneously separation extracting L-tyrosine and L-cystine
10/13/1999CN1045594C Nitrato amino acid disulphides for use in the therapy of disorders of the cardiovasculary system
10/12/1999CA2013841C Preparation of substituted ethenes
10/06/1999EP0946504A1 Compounds useful for perhalogenoalkylation, reagent for implementing these compounds and synthesis method for obtaining these compounds
10/06/1999CN1230940A Method for grafting substituted difluoromethyle group
10/05/1999US5962704 Production of amide derivatives and intermediate compounds therefor
10/05/1999US5962483 Antiasthma agents; antiinflammatory agents
09/1999
09/30/1999WO1999048865A1 New compounds
09/30/1999WO1999048851A2 Processes for preparing intermediates
09/30/1999CA2325402A1 Processes for preparing intermediates
09/30/1999CA2324582A1 New compounds
09/28/1999US5959147 Organic sulfide compound and method for production thereof
09/23/1999WO1999047508A1 Benzenesulfonamide-derivatives and their use as medicaments
09/23/1999WO1999047474A1 Coupling reactions with palladium catalysts
09/23/1999CA2323783A1 Benzenesulfonamide-derivatives and their use as medicaments
09/23/1999CA2321791A1 Coupling reactions with palladium catalysts
09/15/1999CN1228419A Probucol raw material medicine synthesis method
09/15/1999CN1228418A Production of stable deodorizing organic polysulfide
09/10/1999WO1999044988A2 Method for preparing sulfanyl-type endothelin receptor antagonists
09/10/1999CA2322226A1 Method for preparing sulfanyl-type endothelin receptor antagonists
09/09/1999DE19809635A1 Verfahren zur Darstellung von Endothelinrezeptorantagonisten vom Sulfanyltyp A process for the preparation of endothelin receptor antagonists of Sulfanyltyp
09/08/1999CN1228078A Catalytic preparation process of N-acylglycine derivatives
09/07/1999US5948936 Reacting an alkylene sulfide with a mercaptocarboxylic esterin presence of a basic catalyst
09/01/1999EP0938462A1 Hydroxyalkylation of phenols
08/1999
08/31/1999US5945563 Process for producing methionine
08/31/1999US5945548 Process for the synthesis of α-substituted acrylic acids and their application
08/31/1999US5945444 3-aryl-4-hydroxy-Δ3 -dihydrothiophenone derivatives
08/26/1999WO1998022435A9 Compounds useful for perhalogenoalkylation, reagent for implementing these compounds and synthesis method for obtaining these compounds
08/25/1999EP0751934B1 Substituted azetidinone compounds useful as hypocholesterolemic agents
08/25/1999EP0662952B1 Process for the stereoselective synthesis of 3-substituted 2-sulphonyl methyl propionic acids and intermediate products
08/24/1999US5942538 Benzamidoxime derivatives, method for preparation thereof and fungicide for agricultural and horticultural use
08/19/1999WO1999041234A2 Process for production of organic disulfides
08/19/1999WO1999007330A3 Method and agents for permanently styling hair, with a base consisting of n,n-disubstituted mercaptoacetamides, and method for producing said mercaptoacetamides
08/19/1999WO1999006013A3 Agent and method for permanent shaping of hair and method for the production of n-alkylmercaptoacetamides
08/19/1999DE19806758A1 Chemical decomposition of bis(2-chloroethyl) sulfide and homologues for destruction of chemical weapons
08/19/1999CA2320937A1 Process for production of organic disulfides
08/18/1999EP0770053B1 Positive photoactive compounds based on 2,6-dinitrobenzyl groups
08/17/1999CA2096400C Process for deodorizing sulphydryl acid, and the resulting deodorized product
08/17/1999CA2096399C Process for deodorizing sulphydryl acid by extracting smelly compounds and the resulting deodorized product
08/12/1999WO1999040066A1 Process for the preparation of s-alkylcysteines
08/11/1999EP0934261A1 Process for producing mercaptoalkanesulfonates and phosphonates and derivatives thereof
08/10/1999US5936104 Process for producing 1,2-epoxy-3-amino-4-phenylbutane derivatives
08/04/1999EP0933358A1 Production of stabilized and deodorized organic polysulfides
08/04/1999EP0748311B1 Therapeutic benzonitriles
08/04/1999CN1224748A Sulfurized phenolic antioxidant composition, method of preparing same, and petroleum products containing same
08/03/1999US5932731 Process for preparing aromatic or heteroaromatic sulfur compound
08/03/1999CA2259023A1 Production of stabilized and deodorized organic polysulphides
07/1999
07/29/1999WO1999037610A1 Novel chemical intermediates bearing a trifluoromethyl group
07/28/1999EP0931789A1 Preparation of organic disulfides and polysulfides
07/28/1999EP0931053A1 Process for the preparation of substituted aromatic amino compounds
07/28/1999EP0931047A1 Intermediates for the synthesis of vitamin d and steroid derivatives and processes for preparation thereof
07/27/1999US5929284 Processes for producing α-halo ketones, α-halohydrins and epoxides
07/27/1999CA2167395C Osmotic devices having vapor-permeable coatings
07/22/1999WO1999036399A1 Process for producing optically active cysteine derivatives
07/22/1999CA2257487A1 Synthesis of organic disulfides and polysulfides
07/21/1999CN1223230A Method for recovering sulfuric acid from sulfurous by-products of process for preparing, 2-hydroxy-4-methylthiobutyric acid (MHA)
07/20/1999US5925794 Reacting gaseous acrolein feed in liquid medium containing methylthiopropanol with methyl mercaptan
07/15/1999WO1999035126A1 Solid supported synthesis of hydroxamic acids
07/15/1999WO1999016736A9 Production of formaldehdye from ch4 and h2s
07/15/1999CA2318487A1 Solid supported synthesis of hydroxamic acids
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