Patents
Patents for C07C 319 - Preparation of thiols, sulfides, hydropolysulfides or polysulfides (8,304)
09/2001
09/05/2001EP1129082A1 Method and novel intermediate products for producing isoxazolin-3-yl-acylbenzenes
09/05/2001EP0830341B1 Processes for the preparation of 3-(methylthio)propanal and 2-hydroxy-4-(methylthio)butanenitrile
09/04/2001US6284926 Chemical condensation and polymerization to form polysulfides
08/2001
08/30/2001WO2001062721A1 Novel use of phenylheteroalkylamine derivatives
08/30/2001WO2001062720A1 Method for producing 1-chloro-4-[4-(alkylthio)phenoxy]-benzenes
08/30/2001WO2001062714A1 Novel phenylheteroalkylamine derivatives
08/30/2001WO2001062668A2 Sulfur containing compounds
08/30/2001US20010018538 Silylating the corresponding carbamate compound; alkylation
08/30/2001DE10008518A1 Verf.z.Herst.von 1-Chlor-4-[4-(alkylthio)phenoxy]-benzolen und neue 1-Chlor-4-[4-(alkylthio)phenoxy]-benzole Verf.z.Herst.von 1-chloro-4- [4- (alkylthio) phenoxy] benzenes and new 1-chloro-4- [4- (alkylthio) phenoxy] benzenes
08/30/2001CA2396960A1 Novel use of phenylheteroalkylamine derivatives
08/29/2001CN1310713A Substituted quinazoline derivatives
08/29/2001CN1070179C Method for extracting garlicin
08/29/2001CN1070178C Condensation process of hydrocyanic acid and aldehyde
08/29/2001CN1070177C Process for producing 2-hydroxy-4-(methylthio) ammonium butyrate
08/29/2001CN1070175C Process for producing 2,6-di-substituted ester benzenesulfonate
08/28/2001US6281391 Reacting hydroxyamide compound with lithiating agent comprising 4-methylthiophenyllithium in non-reacting solvent to form methylthiophenyl-hydroxyketone compound
08/23/2001WO2001060791A1 Process for preparing 2-hydroxy-4-methylthiobutanoic acid
08/23/2001WO2001060790A1 Process for the production of methionine
08/23/2001WO2001060789A1 Process for the production of methionine
08/23/2001WO2001060788A1 Process for the production of methionine
08/23/2001WO2001023082A3 Biomolecular attachment sites on microelectronic arrays
08/22/2001EP1124800A1 Compounds comprising polyene chain structure and processes for preparing the same
08/22/2001EP1124799A1 Method for preparing methionine
08/22/2001EP1124798A1 Synthesis of methylthiophenyl hydroxyketones
08/22/2001CN1309119A Process for prepairng 2,3-butanedithiol
08/16/2001WO2001058864A1 Process for the preparation of 2-hydroxy-4-methylthio butyric acid esters
08/16/2001WO2001058835A1 Resolution of dl-racemic mixtures
08/16/2001WO2001058833A1 Method for functionalising a double bond
08/16/2001WO2000039080A9 Method for the production of arylsulfides and compositions made therefrom
08/16/2001US20010014761 Reacting nitroacetophenone compound with mercaptan in presence of a base and a phase transfer catalyst to produce thioacetophenone; chemical intermediates in manufacture of pesticides
08/16/2001US20010014756 Aromatic diamine/aromatic dicarboxylate and production method thereof
08/16/2001EP0805817B1 Thiol derivatives with metallopeptidase inhibitory activity
08/16/2001CA2399515A1 Process for the preparation of (r)-2-bromo-3-phenyl-propionic acid
08/16/2001CA2397834A1 Method for functionalising a double bond
08/15/2001CN1308607A Method for preparing 2-nitro-5-(phenylthio)-anilines
08/15/2001CN1069642C Method for preparing 2-methyl-3-methylsulfonyl furan
08/09/2001WO2001056980A1 Process for the preparation of 2-hydroxy-4-methylthiobutyric acid esters
08/08/2001EP1121342A1 Diaminopropionic acid derivatives
08/08/2001EP1121338A1 Method for synthesizing diaryl-substituted heterocyclic compounds, including tetrahydrofurans
08/08/2001CN1069311C Process for producing 2-hydroxy-4-methylthiobutyric acid (MHA)
08/07/2001US6271415 S-(4-biphenyl)-thiosulphuric acids and their salts, method for producing the same and method for producing 4-mercaptobiphenyls
08/02/2001WO2001019724A3 A novel aromatic polysulfide and an asphalt composition containing the same
08/01/2001EP1120406A2 Continuous hydrolysis process for preparing 2-hydroxy-4-methylthiobutanoic acid or salts thereof
08/01/2001EP1119551A1 Naphthalenecarboxamides as tachykinin receptor antagonists
08/01/2001CN1305990A Method for improving mercapto phenol
07/2001
07/31/2001US6268531 Contacting 2-hydroxy-4-methylthiobutanenitrile with mineral acid in nitrile hydrolysis reactor to produce intermediate hydrolyzate comprising 2-hydroxy-4-methylthiobutanamide; reacting with water; remvoing, diluting, hydrolysis
07/25/2001EP1117639A1 Benzoylcyclohexandiones, method for the production and use thereof as herbicides and plant growth regulators
07/25/2001CN1068883C Process for synthesis of vinyl sulfenic acid derivatives
07/25/2001CN1068874C Process for preparation of methanethiol
07/24/2001US6264932 Agent and method for permanent shaping of hair and method for the production of N-alkylmercaptoacetamides
07/19/2001WO2001005757A3 Process for the deprotection of protected thiols
07/18/2001EP1116714A1 Improved process for the preparation of mercaptomethylphenols
07/18/2001EP1115695A1 (r)-chiral halogenated 1-substitutedamino-(n+1)-alkanols useful for inhibiting cholesteryl ester transfer protein activity
07/18/2001EP1115693A1 SUBSTITUTED POLYCYCLIC ARYL AND HETEROARYL $i(TERTIARY)-HETEROALKYLAMINES USEFUL FOR INHIBITING CHOLESTERYL ESTER TRANSFER PROTEIN ACTIVITY
07/18/2001EP0876329B1 Process for the production of n-acetyl-d,l-alpha-aminocarboxylic acids
07/18/2001CN1304392A Process for producing carboxylic acid derivative and condensing agent comprising quaternary ammonium salt
07/17/2001US6262277 Intermediates and processes for the preparation of benzothiepines having activity as inhibitors of ileal bile acid transport and taurocholate uptake
07/12/2001US20010007911 Catalytic preparation process of n-acylglycine derivatives
07/11/2001EP1114029A1 Novel compounds
07/11/2001EP1114025A1 Method for producing derivatives of 4-alkylsulfinyl methylarylene methanols
07/11/2001EP1114011A1 Method for condensation of aromatic derivative(s) and a sulphinic derivative
07/11/2001CN1303403A Sulphur products for adding polythiol on norbornene derivative, preparation method and use for obtaining radical cross-linking products
07/11/2001CN1302794A Aromatic diamine/aromatic dicarboxylate and method for preparing same
07/10/2001US6258982 Process for the preparation of substituted aromatic amino compounds
07/05/2001US20010007041 Supplying sulfuric acid and 2-hydroxy-4-methylthiobutanenitrile to stirred tank
07/04/2001CN1067983C Process for obtaining 2-hydroxy-4-methyl thiobutyric acid (MHA)
07/03/2001US6255498 Method for synthesizing diaryl-substituted heterocyclic compounds, including tetrahydrofurans
06/2001
06/28/2001WO2001046127A1 Acyl pseudopeptides bearing a functionalised auxiliary spacer
06/28/2001WO2001046126A1 Acyl pseudodipeptides which carry a functionalised auxiliary arm
06/28/2001US20010005766 Comprises, by weight, at least 95% of dimethyl disulfide, less than 500 ppm of methyl mercaptan, less than 100 ppm of dimethyl sulfide and upto 1% of atleast one odor masking agent such as an ester
06/28/2001CA2395197A1 Acyl pseudodipeptides which carry a functionalised auxiliary arm
06/27/2001EP0906275B1 New forms of organic salts of n'n-diacetylcystine
06/27/2001CN1301246A Process for preparing intermediates
06/26/2001US6252085 Oxazoline derivative
06/21/2001WO2001044170A1 Adamantane derivatives
06/21/2001WO2001000608A8 Process for the synthesis of n-(4-cyano-3-trifluoromethylphenyl)-3-(4-fluorophenylsulfonyl)-2-hydroxy-2-methylpropionamide
06/20/2001EP1108709A1 Aromatic diamine/aromatic dicarboxylate and production method thereof
06/20/2001CN1300284A Method for producing isoxazoline-3-yl-acyl benzene
06/20/2001CN1067377C Process for separating 2-hydroxy-4-methylthiobutyric acid (MHA)
06/19/2001US6248687 Process for presulfurizing a desulfurization catalyst used in a hydrodesulfurization unit of petroleum refinery and presulfurization promoter
06/13/2001EP0874811B1 Process for obtaining 2-hydroxy-4-methylthiobutyric acid (mha)
06/13/2001EP0874801B1 Process for obtaining optically active l-alpha-aminocarboxylic acids from corresponding racemic d,l-alpha-aminocarboxylic acids
06/12/2001US6245724 Reacting with olefin or acetylenic compound; compatible with nitrile seals; lubricating oil additives for diesel engines
06/07/2001WO2001040175A1 Process for production of sulfur compounds
06/07/2001WO2001040147A1 Catalysis using phosphine oxide compounds
06/05/2001US6242652 Process for producing organic trisulfides
06/05/2001US6242618 Treating by contact with glycidyl ether compound; stabilizing and deodorizing; reducing sulfur content of polysulfide product utilizing scavenger agent
05/2001
05/30/2001EP1102776A1 Water soluble prodrugs of hindered alcohols or phenols
05/30/2001CN1066464C Process for preparing allyl ether, thioether and amine compounds
05/30/2001CN1066436C Cyclohexanes and cyclohexenes derivs.
05/29/2001US6239296 Process for a phenylthiobutyl-isoquinoline and intermediates therefor
05/25/2001WO2001036383A1 Process for the preparation of sulfamides
05/25/2001CA2391978A1 Process for the preparation of sulfamides
05/23/2001EP1100788A1 Substituted quinazoline derivatives
05/23/2001CN1296475A Process for producing arylsulfenyl halide
05/22/2001US6235942 Process for preparing diketone compounds
05/22/2001US6235941 Reaction of mercaptide salt and water soluble peroxide in vapor phase
05/22/2001US6235939 Trifluoroalkoxy-5-chloroaniline
05/22/2001US6235903 Method for preparing sulfanyl-type endothelin receptor antagonists
05/22/2001US6235688 Oil additive; antideposit agent
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