Patents
Patents for C07C 319 - Preparation of thiols, sulfides, hydropolysulfides or polysulfides (8,304)
06/1997
06/25/1997CN1152913A Process for the preparation of 3-(methylthio) propanal
06/25/1997CN1152912A Process for obtaining 2-hydroxy-4-methyl thiobutyric acid (MHA), MHA and its use
06/25/1997CN1152911A Process for producing ammonium-2-hydroxy-4-(methylthio)-butyrate, mixtures containing the same in liquid form and their use
06/25/1997CN1152569A Method for recovering thioglycollic acid from waste liquid of producing thiamine ester
06/25/1997CN1035252C Aminomethyl formate-1,1,1-trichloro-2-(2,4-dichlorothiopheny)-ethyl ester and the prepn. method
06/22/1997CA2193608A1 2-alkylmercapto-4-(trifluoro-methyl)benzoic esters and a process for their preparation
06/22/1997CA2193055A1 Process for the manufacture of thioglycolic acid
06/19/1997WO1997021673A1 Method for preparing organic disulphides and polysulphides in the presence of polystyrene-divinylbenzene (ps-dvb) resins having guanidine or amidine groups
06/19/1997WO1997021672A1 Method for preparing mercaptocarboxylic acids from unsaturated carboxylic acids
06/19/1997WO1997021671A1 Novel sulfonate ester
06/19/1997WO1997021667A1 Process for the production of n-acetyl-d,l-alpha-aminocarboxylic acids
06/19/1997WO1997021663A1 Process for obtaining optically active l-alpha-aminocarboxylic acids from corresponding racemic d,l-alpha-aminocarboxylic acids
06/19/1997WO1997021650A1 Process for racemization of n-acetyl-d(l)-alpha-aminocarboxylic acids
06/19/1997WO1997021649A1 Method for preparing organic disulphides and polysulphides
06/19/1997DE19546533A1 Verfahren zur Herstellung von N-Acetyl-D,L-alpha-aminocarbonsäuren A process for producing N-acetyl-D, L-alpha-amino carboxylic acids
06/19/1997DE19546532A1 Verfahren zur Gewinnung von optisch aktiven L-alpha-Aminocarbonsäuren aus entsprechenden racemischen D,L-alpha-Aminocarbonsäuren Process for obtaining optically active L-alpha-aminocarboxylic acids from the corresponding racemic D, L-alpha-amino carboxylic acids
06/19/1997DE19546531A1 Verfahren zur Racemisierung von N-Acetyl-D(L)-alpha-aminocarbonsäuren A process for the racemization of N-acetyl-D (L) -alpha-amino carboxylic acids
06/19/1997CA2235714A1 Method for preparing organic disulphides and polysulphides
06/19/1997CA2235713A1 Method for preparing organic disulphides and polysulphides in the presence of polystyrene-divinylbenzene (ps-dvb) resins having guanidine or amidine groups
06/19/1997CA2193161A1 A process for the preparation of d,l-methionine or the salt thereof
06/11/1997EP0778360A1 Process for producing by electrochemical methods thioethers for pharmaceutical use
06/11/1997EP0778334A1 Heat-resistant lubricating oil composition
06/10/1997US5637766 Process for the preparation of 3-(methylthio) propanal
06/05/1997WO1997019918A1 Novel 2,3,5-trimethyl-4-hydroxy anilide derivatives, preparation thereof and therapeutical use thereof
06/05/1997WO1997019917A1 METHOD FOR PREPARING (+)COMPACTIN AND (+)MEVINOLIN ANALOG COMPOUNDS HAVING A β-HYDROXY-δ-LACTONE GROUPING
05/1997
05/29/1997WO1997019038A1 Perfluoroalkylation method and reagent therefor
05/28/1997EP0775693A1 Process for the preparation of 2-amino-6-chlorophenyl-alkylsulfides and 2-amino-6-chlorophenyl-isopropylsulfide
05/28/1997EP0775188A1 Preparation of sulfurised phenol additives intermediates and compositions
05/28/1997EP0775109A1 Process for producing 2-hydroxy-4-methylthiobutyric acid (mha) and its use as feedstuff supplement
05/28/1997CN1150796A Process for preparation of aromatic or heteroaromatic sulfonyl halides
05/28/1997CN1035002C Process for preparation of cyclopentene cyclopentane and cyclohexane derivatives
05/24/1997CA2190801A1 Leukotriene antagonistic benzoic acid derivatives
05/21/1997EP0774453A1 Process for producing 3-amino-2-oxo-1-halogenopropane derivatives
05/21/1997CN1034932C Herbicides
05/15/1997WO1997017324A1 Aromatic thioether acylation method
05/14/1997EP0773213A2 Method for the preparation of methyl (2RS,3RS)-3-(2'-aminophenylthio)-2-hydroxy-3-(4"-methoxyphenyl)propionate
05/13/1997US5629441 Amination
05/09/1997WO1997016421A1 Process for producing optically active trans-vinyl sulfide alcohols
05/09/1997CA2209102A1 Production method of optically active trans-vinylsulfide alcohol
05/07/1997CN1149050A New compositions of matter
05/07/1997CN1149046A New substituted 2,2-dimethyl-omega-phenoxyalkanoic acids and esters, process for their preparation and pharmaceutical compositions containing them
05/06/1997US5627278 Process for preparing compounds containing a fused bicyclic ring
05/06/1997US5627205 Substituted phenoxyisobutyric acids and esters
05/06/1997US5627176 Substituted azetidinone compounds useful as hypocholesterolemic agents
05/02/1997EP0770599A1 Process for the preparation of aromatic or heteroaromatic sulfonyl halides
05/02/1997EP0770062A1 Process for the preparation of 3-(methylthio)propanal
05/02/1997EP0770061A1 Process for obtaining 2-hydroxy-4-methyl thiobutyric acid (mha), mha and its use
05/02/1997EP0770060A1 Process for producing ammonium-2-hydroxy-4-(methylthio)-butyrate, mixtures containing the same in liquid form and their use
05/02/1997EP0770053A1 Positive photoactive compounds based on 2,6-dinitrobenzyl groups
04/1997
04/23/1997CN1148041A Method for condensation reaction for hydrocyanic acid and aldehyde
04/16/1997EP0665832B1 Method for the continuous preparation of methionine or methionine derivatives
04/09/1997EP0767167A1 Trifluoromethylsulfonylphenyl or trifluoromethylsulfinylphenyl group containing 2-cyano-3-hydroxy-propenamide derivatives, process for their preparation, their use as medicaments and pharmaceutical compositions containing them
04/08/1997US5618981 Reacting a halogen substituted aromatic compound with mercaptan in presence of a surfactant
04/08/1997US5618965 Process for preparing aromatic nitriles
04/08/1997US5618839 Retinoid-like compounds
04/03/1997WO1997011938A1 Process for producing amide derivatives and intermediate compounds
04/03/1997WO1997011937A1 Process for producing amide derivatives and intermediates
04/03/1997DE19536104A1 Safe 3,3'-poly:thio-di:propionic acid derivs. prodn. suitable for industrial operation
04/02/1997CN1146760A Processes for producing 'alpha'-halo ketones, 'alpha'-halohydrine and epoxides
04/01/1997US5616775 Esterifying a n-protected methionine; oxidizing; reacting with an acid anhydride then an alkali metal hydroxide
03/1997
03/26/1997EP0764637A2 2-Cyano-3-mercaptocrotonamides
03/25/1997US5614540 Compounds useful for treating allergic and inflammatory diseases
03/20/1997WO1997010195A1 SYNTHESIS OF α-CHLORO OR FLUORO KETONES
03/20/1997CA2185850A1 2-cyano-3-mercaptocrotonamides
03/19/1997EP0763533A1 Preparation and use of the pure enantiomers of 8-chloro-6-sulfonyloxy-octanoic acid and its alkyl esters and of the pure enantiomers of 6,8-dichloro-octanoic acid and its alkyl esters
03/19/1997EP0763527A1 Substituted 2,2-dimethyl-omega-phenoxy alkanoic acids and esters, process for their preparation and pharmaceutical compositions containing them
03/19/1997EP0763526A1 Process for preparation of 4-mercapto-1-naphthol compounds
03/19/1997EP0634998B1 Hydroxamic acid based collagenase and cytokine inhibitors
03/18/1997US5612371 Enzyme inhibitors
03/18/1997US5612077 Vegetable oils with ajoene from garlic
03/12/1997CN1145065A Process for producing bis(4-alkylthiophenyl) disulfide
03/12/1997CN1144799A Method for preparation low-salt compound amino-acid powder by cystine mother solution and its equipment
03/06/1997WO1997008163A1 Process for producing thiochroman derivatives
03/06/1997WO1997008139A1 Novel sulfur compounds and process for producing the same
03/06/1997CA2203259A1 Novel sulfur-containing compound and method for preparing the same
03/05/1997CN1144522A Substituted azetidinone compounds useful as hypocholesterolemic agents
03/05/1997CN1144231A Latent mercaptans as multi-functional additives for halogen-containing polymer compositions
03/05/1997CN1144217A Retinoid-like compounds
03/04/1997US5608115 Polythiol useful for preparing sulfur-containing urethane-based resin and process for producing the same
02/1997
02/26/1997CN1143633A Process for coproducing methyl dichloroacetate and mercaptoacetic acid
02/25/1997CA2055979C Method for producing dichlorophenylthioglycolic acid
02/19/1997CN1143064A Method for sulfonating liquid state organics by gas phase sulfur trioxide and its equipment
02/13/1997WO1997005095A1 Process for the hydrogenation of imines
02/11/1997US5602157 Compounds useful for treating allergic and inflammatory diseases
02/06/1997WO1997003954A1 Compositions containing pentaerythritol tetraesters and process for production thereof
02/06/1997CA2198618A1 Compositions containing pentaerythritol tetraesters and process for production thereof
02/05/1997CN1141915A Process for preparation of methanethiol
02/04/1997US5600035 Photoresists; polymer monomers
01/1997
01/30/1997WO1997003033A1 Preparation of aldehydes or ketones from alcohols
01/30/1997CA2219644A1 Preparation of aldehydes or ketones from alcohols
01/29/1997EP0755378A1 Diazo-phenanthrenone compounds useful for inhibiting 5-alpha-reductase
01/29/1997CN1141296A Method for preparing 2-methyl-3-methylsulfonyl furan
01/22/1997EP0754669A1 Processes for producing alpha-halo ketones, alpha-halohydrins and epoxides
01/22/1997EP0723575A4 Ester fluids with high temperature stability
01/22/1997EP0705060A4 Regeneration of sulfuric acid from sulfate by-products of 2-hydroxy-4-(methylthio)butyric acid manufacture
01/14/1997US5594153 Reacting 6-halo-3,5-dihydroxyhexanoic acid or derivative thereof with diether, ketone or unsaturated ether to form 1,3-dioxane derivative
01/14/1997US5593992 Cytokine inhibitors
01/14/1997US5593991 Imidazole compounds, use and process of making
01/14/1997CA2079073C Processes for producing 2-substituted benzo[b]thiophene
01/09/1997WO1997000858A1 Process for the preparation of 3-(methylthio)propanal
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