Patents
Patents for C07C 319 - Preparation of thiols, sulfides, hydropolysulfides or polysulfides (8,304)
01/2009
01/06/2009US7473797 Reacting a vinyl halide and an acetylene compound in the presence of a copper (1) bidentate ligand complex, e.g., Cu(1,10-phenanthrolene)(triphenylphosphine)2NO3 and a CuI/neocuproine reaction product; free of expensive palladium reagents
12/2008
12/31/2008WO2009002263A1 Process for isolating mono-carboxy substituted probucol derivates
12/31/2008EP2008998A1 Process for production of (poly)thiol compound for use as optical material, and polymerizable composition comprising the compound
12/31/2008CN101333179A Method for preparing sulfur-containing bisphenol compounds anti-oxidant
12/30/2008US7470525 allowing cells of microorganism or treated products thereof having an activity of stereoselective hydrolysis of the amide bond of a 2-alkyl-L-cysteinamide or a salt thereof to act on a 2-alkylcysteinamide consisting of a mixture of D- and L-isomers or a salt thereof
12/30/2008CA2186364C Substituted azetidinone compounds useful as hypocholesterolemic agents
12/25/2008US20080319072 Composition and method for treating bacterial, viral, fungal diseases, inflammation and pain
12/24/2008CN101328142A Preparation of 4,4í»-bis (cyano phenoxy) diphenyl sulfide
12/24/2008CN101328136A Aminoacid acidamide compounds and preparation thereof
12/18/2008WO2008118925A3 Graded catalyst bed for methyl mercaptan synthesis
12/17/2008EP2001839A1 Improvements in the preparation of intermediates leading to [4-(5-aminomethyl-2-fluoro-phenyl)-piperidin-1-yl]-(4-bromo-3-methyl-5-propoxy-thiophen-2yl)-methanone hydrochloride
12/17/2008CN100443458C Stereoselective synthesis of a 4,4-disubstituted cyclohexanepropanoic acid
12/17/2008CN100443165C Catalyst of synthesizing methyl mercaptan by carbon mono xide and hydrogen sulfide reaction
12/10/2008CN101318921A Method for preparing valnemulin
12/10/2008CN101318920A Method for preparing para orientation o-aminophenyl-thioether via midbody para orientation o-nitrobenzene-sulfhydrate
12/10/2008CN101318919A Process for synthesizing 6-ethyl mercapto-3-heptylene-2-ketone
12/04/2008WO2008145488A1 Process for continuously preparing methyl mercaptan from carbon- and hydrogen-containing compounds
12/04/2008US20080297044 uniform particle size at the nanometer-scale level, selective and desired crystal structures, and various shapes; forming core-shell structure; useful to form a luminescent layer of an inorganic-organic hybrid electroluminescence device
12/03/2008EP0984000B1 Process for producing amide derivatives and intermediate compounds
12/03/2008CN101314582A Process for synthesizing chirality thiol
11/2008
11/27/2008WO2008142037A2 Mercaptan mixture
11/27/2008WO2007054771A3 An improved process for the preparation of cilastatin and sodium salt
11/27/2008US20080294289 Preparation and Use of Alkylating Agents
11/27/2008US20080293974 Process for continuously preparing methyl mercaptan from carbon- and hydrogen-containing compounds
11/27/2008DE102007024009A1 Mercaptangemisch Mercaptan
11/27/2008CA2687564A1 Mercaptan mixture
11/26/2008EP1506162B1 Synthesis of benzonitriles and benzimidates
11/26/2008CN100436412C Method for preparing relative amino alcohol by borohydride-acid reduction system reducing amino ketone derivative
11/26/2008CN100436411C Tiopronin amino salt, and its preparing method
11/20/2008WO2008138228A1 A process for the preparation of cilastatin sodium
11/19/2008CN101307015A Process for preparing cilastatin sodium
11/18/2008CA2331850C Method of preparing carboxylic acid derivatives and condensing agent comprising a quaternary ammonium salt
11/13/2008US20080281095 Asparatyl protease inhibitor
11/12/2008EP1989181A1 Process for the preparation of 2-[vinyl (hetero) aryl sulphonyl]ethanol derivatives
11/12/2008EP1506171B1 Preparations of a sulfinyl acetamide
11/12/2008CN101302178A Production process of L-cystine
11/06/2008WO2008110698A3 Method for preparing fluorinated sulphanylamides and sulphinamidines and uses thereof
11/05/2008EP1986995A1 Process for preparing 3, 4-disubstituted phenylacetic acids and novel intermediates
10/2008
10/29/2008EP1984328A2 A process for preparing allylmercaptocaptopril (cpssa) and related asymmetrical disulfides
10/29/2008EP1984327A2 An improved process for the preparation of cilastatin and sodium salt
10/23/2008WO2008125452A1 Catalyst for the preparation of methyl mercaptan
10/23/2008US20080262270 Catalyst contains molybdenum and potassium compounds and oxides, sulfide of Group 7; catalyst selectivity; by-product inhibition
10/23/2008US20080262238 Dendron and Dendrimer, Method of Producing the Same, and Method of Producing a Thioacetal Compound
10/22/2008EP1982764A1 Catalyst for the preparation of methyl mercaptan
10/22/2008EP1981841A1 Preparation of thioalkylamines using chlorosulfonic acid
10/22/2008EP1148046B1 Process for the preparation of alpha-aminoketones
10/22/2008CN101291907A Preparing method of pentaerythrite mercapto carboxylic ester, pentaerythrite mercapto carboxylic ester prepared thereof and its application
10/22/2008CN100427461C Polymerisable benzophenone photoinitiator and its preparing method
10/21/2008US7439390 Reacting aldehyde with amide, carbon monoxide and hydrogen in amidocarbonylation reaction to give N-acyl amino acid in presence of cobalt carbonyl catalyst, precipitating Co(N-acyl-amino acid)2 by feeding oxygen into mixture, separating Co(N-acyl-amino acid)2, hydrolyzing residue to obtain amino acid
10/08/2008EP1976827A2 Method for producing methionine from homoserine
10/08/2008EP1976826A2 Organic derivatives, their salts and use for the control of phytopathogens
10/08/2008EP1697316B1 Novel intermediates for the synthesis of (r)-tamsulosin and of its pharmaceutically acceptable salts and process for their preparation
10/08/2008EP1678129B1 Improved process for preparing benzhydrylthioacetamide
10/08/2008EP1634957B1 2-alkylcysteinamide or salt thereof, process for producing these, and use of these
10/08/2008CN101279942A Rare earth organo-sulfur complex, preparation and use thereof
10/02/2008WO2008118925A2 Graded catalyst bed for methyl mercaptan synthesis
10/02/2008WO2008117839A1 Novel polyvalent hydroxy compound, method for producing the same, epoxy resin using the compound, and epoxy resin composition and cured product thereof
10/02/2008WO2008116321A1 Allyl sulfide compounds, and compositions and methods using said compounds for repelling blood-feeding arthropods
10/02/2008US20080242894 Methanol is reacted with hydrogen sulfide, in the presence of a graded catalyst bed containing at least three types of nickel or cobalt molybdenum alumina catalysts to convert the methanol to methyl mercaptan in one-pass, economic and efficient
10/02/2008US20080242888 Hydrolysis of 5-( beta -methylmercaptoethyl)hydantoin in the presence of an alkali; corrosion of an apparatus is prevented
10/02/2008CA2682179A1 Allyl sulfide compounds, and compositions and methods using said compounds for repelling blood-feeding arthropods
10/01/2008EP1975154A1 Process for Producing Methionine
10/01/2008EP1975148A1 Aromatic compound gelatinizing agent having perfluoroalkyl group
10/01/2008EP1276716B2 Metal chelating compositions
10/01/2008CN101274907A Process for producing methionine
09/2008
09/30/2008US7429675 reacting 2-{[2-(4-hydroxyphenyl)ethyl]thio}-3-[4-(2-{4-[(methylsulfonyl)oxy]phenoxy}ethyl)phenyl]propanoic acid enriched in one enantiomer with a halosilane such as chlorotrimethylsilane in presence of 1,8 diazobicyclo[5.4.0]undecec-7-ene; antidyslipidemia an organic base
09/24/2008CN101270068A Method for preparing 2-nitryl-4-propylthioaniline
09/24/2008CN101270067A Method for preparing separated purified garlic essential oil
09/18/2008WO2008111414A1 Catalyst composition, and process for production of cross-coupling compound using the same
09/18/2008WO2008110698A2 Method for preparing fluorinated sulphanylamides and sulphinamidines and uses thereof
09/18/2008US20080227978 Converting a carbonyl group within a substrate to a chiral alcohol moiety by reacting the carbonyl containing substrate with an organoaluminium reagent in the presence of a Group 5-12 transition metal based catalyst which is complexed with a chiral ligand; excellent yields
09/18/2008CA2677295A1 Method for preparing fluorinated sulphanylamides and sulphinamidines and uses thereof
09/17/2008EP1968936A2 Process and catalyst for synthesis of mercaptans and sulfides from alcohols
09/17/2008EP1392639B1 Pyruvate derivatives
09/17/2008CN101265224A Method for preparing 4-trifluoromethylmercaptoaniline
09/17/2008CN101265223A Green non-pollution synthesis technology for garlic oil
09/12/2008WO2008087330A3 Sulphidation agent for hydroprocessing catalyst and use thereof for in-situ and ex-situ presulphidation
09/10/2008CN101263082A Process for preparing methyl mercaptan
09/10/2008CN101260101A Synthesis of intermediate 5,5-dimethyl-1,3-one-2,4-thiolane of bucillamine
09/10/2008CN100417644C Process for preparation of N,N'-dialkyl-3,3'-dithio dipropionamide
09/09/2008US7423183 Oxidation of mercaptoethanol
09/04/2008US20080214868 Process for enantioselective synthesis of single enantiomers of modafinil by asymmetric oxidation
09/03/2008CN101258128A Process for producing 4-(methylthio)butane-1,2-diol
09/03/2008CN100415714C Preparing process of 5-propionyl-2-thiophenyl phenylacetate
08/2008
08/28/2008US20080207951 Process for the Removal By Oxidation, of Mercaptans Contained in Hydrocarbons
08/28/2008US20080207941 Immunosuppressant; reacting 4-(3-chlorobenzyloxyphenylthio)-2-chlorobenzaldehyde with ethyl diethylphospgonoacetate in solvent in presence of base; reduction; methylation; iodination; nitration; reacting with formaldehyde; reduction
08/27/2008CN101250146A Method for synthesizing 3,3'-dimethylthio diphenylurea
08/27/2008CN101250145A Method for preparing diethylamino ethanethiol
08/27/2008CN101250144A Method for preparing 4-trifluoro methylthio benzoic acid
08/21/2008WO2008098810A2 Method for producing alkyl mercaptan from dialkyl sulfides and dialkyl polysulfides
08/21/2008US20080200730 Using hydrogen sulfide in vapor phase in presenc eof catalyst
08/21/2008DE102007007458A1 Verfahren zur Herstellung von Methylmercaptan aus Dialkylsulfiden und Dialkylpolysulfiden Process for the preparation of methyl mercaptan from dialkyl sulfides and dialkyl polysulfides
08/21/2008DE102007007333A1 Verfahren zur Reinigung von L-Cystein A process for purification of L-cysteine
08/20/2008EP1958933A1 Process for purifying L-cysteine
08/20/2008CN101248040A Preparation of thioalkylamines with high yields
08/20/2008CN101245042A Process for purifying L-cysteine
08/19/2008CA2499632C Catalytic method of producing mercaptans from thioethers
08/14/2008US20080193988 Process for the Preparation of Sulfonamide Derivatives
08/13/2008EP1954652A2 An improved process for the preparation of armodafinil
08/13/2008CN101243040A Process for the synthesis of mandipropamid and derivatives thereof
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