Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 319 - Preparation of thiols, sulfides, hydropolysulfides or polysulfides
Patents for C07C 319 - Preparation of thiols, sulfides, hydropolysulfides or polysulfides (8,304)
11/2002
11/28/2002WO2002094742A1 Process for the preparation of amorphous cilastatin sodium
11/28/2002WO2002079122A3 Methods of synthesizing phenol-containing compounds
11/28/2002CA2447788A1 Process for the preparation of amorphous cilastatin sodium
11/27/2002EP1260501A1 Process for the preparation of diphenylmethylthioacetamide
11/27/2002EP1260500A1 Process for the production of a sulphur-containing organic compound
11/27/2002EP1259482A2 Sulfur containing compounds
11/27/2002CN1094925C Continuous hydrolysis process for preparing 2-hydroxy-4-methylthiobutanoic acid or salts thereof
11/26/2002US6486356 Process for the preparation of 1-aryl-3-cyclopropyl-1,3-propanediones
11/26/2002US6486351 Method for condensation of aromatic derivative(s) and a sulphinic derivative
11/21/2002WO2002092225A1 Production of alkylated aromatic compounds using dealuminated catalysts
11/21/2002US20020173677 Continuously; liquid reaction medium of acrolein, methyl mercaptan, 3-(methylthio)propanal and a catalyst is contacted with a gaseous acrolein feed stream in a gas/liquid contact zone; separating noncondensable gas
11/20/2002CN1380880A Process for producing substituted aromatic compound
11/19/2002US6482975 Bis-poly(ethylene oxide) surfactants and their use as antistats in photographic materials
11/14/2002WO2002090314A1 Pyruvate derivatives
11/14/2002WO2002010151A3 Method for producing lipoic acid and dihydrolipoic acid
11/14/2002US20020169337 Reacting N-alkyl or aryl oxycarbonyl-S-aryl or alkyl-L-cystine with an alcohol and a strong acid and/or thionyl halide to form ester of above cysteine derivative, and recovering the optically active ester of cysteine derivative;
11/13/2002EP1256571A1 Process for the preparation of D,L-methionine or a salt thereof
11/13/2002CN1379754A Intermediates for making benzofuran or benzothiophene derivative nitrated in position 5 and uses thereof
11/12/2002US6479701 Method of preparing N,N′-disubstituted-3,3′-dithiodipropionamide and method of preparing substituted 3-isothiazolone by using the same
11/12/2002US6479695 Process for the preparation of hydroxy methylthiobutyric acid esters
11/06/2002EP1254110A1 Process for the preparation of 2-hydrox-4-methylthiobutyric acid esters
11/06/2002EP1254092A1 Resolution of dl-racemic mixtures
11/06/2002EP1254091A1 Method for functionalising a double bond
11/06/2002EP1144374A4 Methods for the production of sulfurized diphenyloxides and compositions made therefrom
11/05/2002US6476248 Hydroxythiol grignard reaction synthesis
11/05/2002US6476232 4-(2-amino-1-hydroxyethyl)oxazoline derivative and method for producing same
11/05/2002US6476026 Compounds and compositions as protease inhibitors
10/2002
10/31/2002WO2002085838A1 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
10/31/2002US20020161262 Use treating various medical conditions, including pain
10/31/2002US20020161227 By reacting a phosphazenium compound with Q as counteranion with a halogenated aromatic compound to substitute at least one halogen atom with Q
10/30/2002CN1377376A Recovery of modifier compounds and polar organic compounds from a poly (arylene sulfide)
10/30/2002CN1376671A Method for preparing methylthioamino acid or alkali salts thereof
10/29/2002US6472570 Method for the asymmetric dihydroxylation of olefins, using osmium catalysts
10/29/2002US6472354 In the presence of acid catalyst and of basic catalyst; provides clear, pale-coloured products; one step process
10/24/2002US20020156326 >/= 95% of dimethyl disulfide, < 500 ppm of methyl mercaptan, < 100 ppm of dimethyl sulfide and </= 1% of an alkyl ester or aromatic diester odor masking agent
10/24/2002US20020156318 N-methyl-L-alanine derivatives derivatives used for preparing cell binding agent/maytansinoid complexes
10/23/2002EP1064243B1 Coupling reactions with palladium catalysts
10/23/2002CN1376174A A novel aromatic polysulfide and an asphalt composition containing the same
10/23/2002CN1376172A Amine hardener for epoxy resins
10/22/2002US6469224 Reacting a phosphazenium compound with a halogenated aromatic compounds, especially chlorinated aromatic compounds
10/22/2002US6469176 Method and novel intermediate products for producing isoxazolin-3-yl-acylbenzenenes
10/22/2002US6469005 Propargylether derivatives
10/17/2002WO2002081464A1 Benzoaxathiepin derivatives and their use as medicines
10/17/2002WO2002081436A2 Method for producing organic disulphide
10/17/2002WO2002081080A1 Semi-continuous photochemical method and device therefor
10/17/2002US20020151753 Comprises methyl mercaptan, dimethyl sulfide, and mono-/di-ester
10/17/2002DE10116817A1 Verfahren zur Herstellung eines organischen Disulfids A method for producing an organic disulfide
10/16/2002CN1092700C Sulfurized phenolic antioxidant composition, method of preparing same, and petroleum products containing the same
10/15/2002US6465694 Method for preparation of polyethylene glycol aldehyde derivatives
10/15/2002US6464895 Reagent and process which are useful for grafting a substituted difluoromethyl group onto a compound containing at least one electrophilic function
10/10/2002WO2002079126A1 Cross-metathesis reaction of functionalized and substituted olefins using group 8 transition metal carbene complexes as metathesis catalysts
10/10/2002WO2002079122A2 Methods of synthesizing phenol-containing compounds
10/10/2002CA2442480A1 Methods of synthesizing phenol-containing compounds
10/10/2002CA2442368A1 Cross-metathesis reaction of functionalized and substituted olefins using group 8 transition metal carbene complexes as metathesis catalysts
10/09/2002EP1027331B1 Method for producing aryl thiols by hydrogenating diaryldisulphides
10/09/2002EP0863857B1 Perfluoroalkylation method and reagent therefor
10/09/2002CN1373745A 3-amino-2-benzyl-1-phenyl-propane derivs.
10/09/2002CN1092184C Processes for preparation of 3-(methylthio) propanal
10/08/2002US6462240 Froming 2-lithiobenzotrifloride from benzotrifluoride and alkyllithium
10/08/2002US6462076 Beta-amino acid nitrile derivatives as cathepsin K inhibitors
10/03/2002WO2002076962A1 Process for producing 3-oxo-2-(2-thiazolyl)propanenitrile and intermediate
10/03/2002US20020143207 Process for the deprotection of protected thiols
10/03/2002US20020143205 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
10/02/2002CN1372539A Quaternary bis-ammonium salt precursors and their uses as prodrugs having an antiparasitic activity
10/01/2002US6458997 Continuous hydrolysis process for the preparation of 2-hydroxy-4-methylthiobutanoic acid
10/01/2002US6458948 Process for producing carboxylic acid derivative and condensing agent comprising quaternary ammonium salt
09/2002
09/26/2002US20020137974 Catalysis using phosphine oxide and sulfoxide compounds
09/26/2002US20020137971 Reacting an aromatic compound with elemental sulfur in the presence of a solid acid catalyst such as zeolite; alkylated diphenyl sulfide
09/25/2002EP1242521A2 Recovery of modifier compounds and polar organic compounds from a poly(arylene sulfide) recycle mixture
09/25/2002EP1242365A1 Acyl pseudodipeptides which carry a functionalised auxiliary arm
09/25/2002EP1242364A1 Adamantane derivatives
09/25/2002EP0986529B1 Process for the preparation of 1,3-dicarbonyl compounds
09/25/2002CN1091439C Method for producing N carbobenzoxy S-phenyl L-cysteine
09/24/2002US6455502 Compounds and compositions as protease inhibitors
09/19/2002WO2002072540A2 Improved methods of ortho alkylation
09/19/2002US20020133030 Processes for preparing 3-arylsulfur hydroxamic acids
09/19/2002US20020132888 Alkylthio-and aryl(heteroyl)thio-substituted p-phenylenediamines, their manufacture and their use in rubber
09/19/2002CA2437755A1 Improved methods of ortho alkylation
09/18/2002CN1091099C Process for preparing 2,3-butanedithiol
09/18/2002CN1091088C Process for producing alpha-halo ketones, alpha-halohydrine and epoxides
09/17/2002US6451776 Water soluble prodrugs of hindered alcohols
09/12/2002WO2002070131A1 Microencapsulated metal catalyst
09/12/2002WO2002069909A2 Synthesis of ketosulfone esters
09/12/2002US20020128491 Catalytically coupling an aryl aldehyde or aryl C(=S)H with thione or ketone compound to form diaryl substituted dithione or diketone intermediate, treating intermediate with reducing agent, and cyclizing and isomerizing
09/12/2002CA2433927A1 Synthesis of ketosulfone esters
09/11/2002CN1090616C Preparation of 2-hydroxy-4-methylthiobulyric acid (MHA) with stability for store
09/11/2002CN1090532C Catalyst, its preparation and use in synthesis of methyl mercaptan
09/10/2002US6447708 Sulphur products for adding a polythiol on a norbornene derivative, preparation method and use for obtaining radical cross-linking products
09/10/2002CA2025208C Sulphinyl compounds and their preparation
09/04/2002EP1236715A2 Process for S-Aryl cysteine
09/04/2002EP1235795A1 Process for the preparation of sulfamides
09/04/2002EP1235792A1 Preparation of [4s-(4alpha,7alpha,10abeta)]-4-amino-octahydro-5-oxo-7h-pyrido 2,1-b] 1,3]thiazepine-7-carboxylic acid, methyl ester and salts thereof via novel disulfides
09/04/2002EP1235764A1 Catalysis using phosphine oxide compounds
09/04/2002CN1367782A Process for producing dibenzothiazepine derivatives
09/03/2002US6444853 Process for producing aromatic disulfides
09/03/2002US6444623 Reacting diphenyl oxide with elemental sulfur in presence of molecular sieve as solid acid catalyst
08/2002
08/28/2002EP1124798A4 Synthesis of methylthiophenyl hydroxyketones
08/27/2002US6441244 Benzophenones and the use thereof as photoinitiators
08/22/2002WO2002064553A1 Process for preparation of halogenoalcohol derivatives
08/21/2002CN1364758A Synthesis process for aroamtic dithiol
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