| Patents for C07C 303 - Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides (11,473) |
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| 02/11/2009 | CN101362710A Method for preparing aminobenzenesulfonic acid by catalytic hydrogenation |
| 02/11/2009 | CN101362709A 3-amino propanesulfonic acid preparation method |
| 02/05/2009 | WO2009017497A2 A method of making a synthetic alkylaryl sulfonate |
| 02/05/2009 | DE19963179B4 Substituierte 1- und 2-Naphthol-Mannichbasen Substituted 1- and 2-naphthol Mannich bases |
| 02/04/2009 | CN100457725C Novel acid-generator and film composition comprising same |
| 02/04/2009 | CN100457696C Preparation of alkylaromatic hydrocarbons and alkylaryl sulfonates |
| 01/29/2009 | WO2009015137A1 Process for making a secondary alcohol cleaning product |
| 01/28/2009 | CN201186908Y SO3 current limiter |
| 01/28/2009 | CN100455566C Novel derivatives of aminocyclohexane |
| 01/22/2009 | WO2008135198A3 Method for isolating concentrated paraffin sulfonic acids |
| 01/22/2009 | US20090023791 PH-dependent NMDA receptor antagonists |
| 01/21/2009 | EP1910399A4 Novel intermediates, process for their preparation and process for the preparation of coq10 employing the said novel intermediates |
| 01/21/2009 | CN101351443A Method for producing sulfonamides |
| 01/21/2009 | CN101348449A Preparation of 2,4,5-trichlorobenzene sulfonic acid |
| 01/18/2009 | CA2604382A1 Polyalkylated arylalkyl sulfonic acids and their salts |
| 01/15/2009 | US20090014820 Semiconductor mechanical sensor |
| 01/14/2009 | EP1131337B1 Novel betulinic acid derivatives, processes for preparing such derivatives and its use as cancer growth inhibitors |
| 01/14/2009 | CN101343245A Method for preparing fatty acid methyl ester sulphonic salt with low-disodium salt content by using earlier sulfonation and later esterification technique |
| 01/14/2009 | CN101343244A Synthesis of sulfonylamines compounds |
| 01/14/2009 | CN100451024C Metallocene compound, indene compound and application thereof |
| 01/14/2009 | CN100451000C Process of preparing high quality sodium salt of DSD acid with industrial DSD acid |
| 01/13/2009 | US7476762 Reacting trifluoroiodopropane with triphenylphosphine, reacting with a base and ethylchloroformate, reacting with trifluoroacetaldehyde, hydrogenation, reaction with with N,O-dimethylhydroxylamine hydrochloride, reduction, reaction with titanium alkoxide, and (S)-(+)-p-toluenesulfinamide, cyanation |
| 01/08/2009 | WO2009006267A2 N'-(2-halobenzylidene)sulfonylhydrazides as intermediates in the manufacture of arylsulfonylindazoles |
| 01/08/2009 | WO2009005024A1 Method for producing optically active amine |
| 01/08/2009 | WO2008117308A4 Novel diazonaphthoquinonesulfonic acid bisphenol derivative useful in photo lithographic sub micron patterning and a process for preparation thereof |
| 01/08/2009 | US20090012307 Process for the Preparation of 4-(imidazol-1-yl)benzenesulfonamide Derivatives |
| 01/08/2009 | US20090012279 used to produce oligonucleotides in a simple manner which contain modified phosphate residues and thus can also preferably detectable labels; resonance-stabilized and are not susceptible to hydrolysis; 4-Aminobenzenesulfonyl Azide |
| 01/07/2009 | CN101337915A Process for preparing 2,4-diamino benzenesulfonic acid and sodium salt thereof |
| 01/07/2009 | CN101337914A Method for preparing taurine and substituted taurine |
| 01/06/2009 | CA2169219C Substituted benzenesulfonylureas and -thioureas, processes for their preparation, their use for the production of pharmaceutical preparations, and pharmaceutical preparations containing them |
| 01/01/2009 | US20090004525 Ion-Dissociative Functional Compound, Method for Production Thereof, Ionic Conductor, and Electrochemical Device |
| 12/31/2008 | WO2009000748A1 Preparation of compounds with a perfluoroalkylsulfonyl group |
| 12/31/2008 | CN101336124A Anion-exchange displacement chromatography process and anionic organic compounds for use as displacer compounds in anion-exchange displacement chromatography |
| 12/31/2008 | CN101333177A Process for producing taurine drying and sterilizing by microwave and high-efficiency ebullition |
| 12/31/2008 | CN100447115C Process for producing branched olefins from linear olefin/paraffin feed |
| 12/25/2008 | US20080319225 A protective group is introduced to N-[(1R)-2(4-methoxyphenyl)-1-methylethyl]-N-[(1R)-1-phenylethyl)]amine, resulting amide is chlorosulfonated and the resulting sulfochloride is converted to a sulfonamide, from which 5-(2-aminopropyl)-2 methoxybenzenesulfonamide is produced by hydogenation wtih Pd |
| 12/25/2008 | US20080319215 Process For Preparing Sulfuric Monoesters From Amino Alkanols |
| 12/24/2008 | EP2006281A2 Process for preparing highly soluble straight alkyl benzene sulphonates |
| 12/24/2008 | EP1427697B1 Sulphonation of phenols |
| 12/24/2008 | CN101328141A Preparation of alkyl phenol polyethenoxy ether sodium sulfate |
| 12/23/2008 | US7468174 Method for producing chlorosulfonyl isocyanate |
| 12/23/2008 | CA2238427C Production method of aminobenzene compound |
| 12/18/2008 | US20080312469 Preparation of 2s,3s-n-isobutyl-n-(2-hydroxy-3-amino-4-phenylbutyl)-p-nitrobenzenesulfonylamide hydrochloride and other derivatives of 2-hydroxy-1,3-diamines |
| 12/17/2008 | EP1444199B1 Racemic tamsulosin free base and methods of making the same |
| 12/17/2008 | CN101326158A Method for producing purified formylcyclopropane compound and intermediate of such formylcyclopropane compound |
| 12/16/2008 | US7465829 N-halo-4-carboxybenzene sulfonamides; soap, lotion, wipe, or swab; minimal side effects; bactericide, pesticide, fungicide, deodorizing; also bovine teat cleaners, drugs for cultured fish, soap biocides, stain removal agents, and paint fungicides |
| 12/11/2008 | US20080306295 Method and Device for the Sulfonation or Sulfation of Sulfonatable or Sulfatable Organic Substances and for Performing Faster, Strongly Exothermic Gas/Liquid Reactions |
| 12/10/2008 | EP1999133A2 Process for preparation of hiv protease inhibitors |
| 12/10/2008 | CN101321582A Method and device for the sulfonation or sulfation of sulfonatable or sulfatable organic substances and for preforming faster, strongly exothermic gas7liquid reactions |
| 12/10/2008 | CN101318927A Method for producing substituted phenylsulfonyl urea |
| 12/10/2008 | CN101318918A Process for synthesizing substituted benzene sulfonic acid amide compound |
| 12/10/2008 | CN101318917A Long chain (C18-C12) linear alkyl benzene sulfonate and method of preparing the same |
| 12/10/2008 | CN101318916A Method for preparing high-alkali value (TBN300) synthesized calcium alkyl benzene sulfonate |
| 12/10/2008 | CN101318915A Method for preparing high-alkali value (TBN400) synthesized calcium alkyl benzene sulfonate |
| 12/10/2008 | CN100442051C 4-(N, N-dimethylamino) azobenzol-4'-sulfuryl fluoride and its synthesizing method and use |
| 12/09/2008 | CA2425368C New sulphoxybenzamides |
| 12/09/2008 | CA2249958C Binuclear iridium(i) phosphine complexes and their use as catalyst in the asymmetric hydroamination of olefins |
| 12/03/2008 | EP1996544A1 A method of preparation of (r)-(-)-5(2-aminopropyl)-2-methoxybenzenesulfonamide |
| 12/03/2008 | EP1354864B1 Producing method of fullerene derivative |
| 12/03/2008 | CN101314581A N-sulfuryl ketimine compounds and preparation method thereof |
| 12/03/2008 | CN101314580A Enol sulfonic ester compounds and preparation thereof |
| 12/03/2008 | CN100439328C Catalytical hydrogenation process to produce II acid |
| 12/02/2008 | US7459580 Process for trans-4-amino-1-cyclohexanecarboxilic acid derivatives |
| 11/26/2008 | EP1995265A1 Polyarylene and process for producing the same |
| 11/26/2008 | CN101311151A Process for the preparation of 3,3-dimethylbutanal |
| 11/26/2008 | CN100436409C Derivative of substitutional taurine and preparation method |
| 11/20/2008 | WO2008141179A1 Molecule sulfonation process |
| 11/19/2008 | CN100434418C Sulfonation reaction device for sulfur trioxide |
| 11/18/2008 | US7452990 4-halo-2-oxyimino-3-oxo butyric acid-N,N-dimethyl formiminium chloride chlorosulfate; cephalosporins that may be prepared from the intermediate include cefdinir, cefditoren pivoxil, cefepime, cefetamet pivoxil, cefixime, cefmenoxime, cefodizime, cefoselis, cefotaxime, cefpirome, cefpodoxime proxetil, etc |
| 11/18/2008 | CA2283189C Low overbased alkylaryl sulfonates |
| 11/13/2008 | WO2008135198A2 Method for isolating concentrated paraffin sulfonic acids |
| 11/13/2008 | WO2008117308A3 Novel diazonaphthoquinonesulfonic acid bisphenol derivative useful in photo lithographic sub micron patterning and a process for preparation thereof |
| 11/13/2008 | US20080281095 Asparatyl protease inhibitor |
| 11/13/2008 | US20080279808 2,3,4,5-Tetrahydroxy-6-Sulfooxy Hexanoic Acid, Pharmaceutically Acceptable Salts and Equilibrium Forms Thereof, Processes for Their Preparation, Pharmaceutical Compositions Comprising Such Compounds and Their Medical Use |
| 11/12/2008 | EP1989174A1 Substituted cyclohexylmethyl derivatives |
| 11/12/2008 | CN101302176A Method for preparing p-toluenesulfonic acid by gas-phase sulphonation of toluol with sulfur trioxide |
| 11/12/2008 | CN101302175A Process for preparing alkyl alcohol ether sulphonate or alkyl phenol ether sulphonate |
| 11/12/2008 | CN100432049C Cycloalkene derivatives, process for producing the same and use |
| 11/06/2008 | WO2008132154A1 Methods for the preparation of n-isobutyl-n-(2-hydroxy-3-amino-4-phenylbutyl)-p-nitrobenzenesulfonylamide derivatives |
| 11/06/2008 | US20080275127 Arylsulfonamido-substituted hydroxamic acid derivatives |
| 11/06/2008 | DE102007020697A1 Verfahren zur Isolierung konzentrierter Paraffinsulfonsäuren Process for the isolation of concentrated paraffinsulfonic |
| 11/06/2008 | CA2682616A1 Methods for the preparation of n-isobutyl-n-(2-hydroxy-3-amino-4-phenylbutyl)-p-nitrobenzenesulfonylamide derivatives |
| 11/05/2008 | EP1355876B1 Methods of chemical synthesis of phenolic nitrogen mustard prodrugs |
| 10/29/2008 | EP1984347A1 Selective n-sulfonylation of 2-amino trifluoroalkyl substituted alcohols |
| 10/29/2008 | CN101296900A Method for acquiring high-dissolvability linear alkyl benzene sulfonate |
| 10/29/2008 | CN101293860A Quaternary ammonium salt fluorine surfactant preparing method |
| 10/29/2008 | CN101293859A Environment-friendly type preparing method for H2O2 low-temperature bleaching assistant |
| 10/29/2008 | CN100429200C Process for preparing acylsulfamoylbenzamides |
| 10/28/2008 | US7442837 Phenethanolamine derivatives for treatment of respiratory diseases |
| 10/28/2008 | US7442836 Phenethanolamine derivatives for treatment of respiratory diseases |
| 10/28/2008 | CA2230921C Process for the purification of diphenyl ether compounds |
| 10/28/2008 | CA2229735C Process for nitrating diphenyl ether compounds |
| 10/23/2008 | US20080262264 Hydrolysis in toluene solvent; oxidation; reacting a cyclohexylamine carboxylate with sulfoxide halide compound |
| 10/23/2008 | US20080262089 Process for the Preparation of Tamsulosin |
| 10/22/2008 | EP1981841A1 Preparation of thioalkylamines using chlorosulfonic acid |
| 10/22/2008 | CN101291906A Method for producing trifluoromethanesulfonic anhydride |
| 10/22/2008 | CN100427464C Sulfur trioxide gas jet sulfonation process and device for bisalkyl benzene |
| 10/21/2008 | US7439393 Phenethanolamine derivatives for treatment of respiratory diseases |
| 10/16/2008 | WO2008123760A1 A method for preparing a salt of ethanesulphonic acid 2 - [n-nicotinamide] and salts of said compound |
| 10/15/2008 | CN101284807A Preparation method of tamsulosin |