| 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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| 12/22/2009 | CA2347752C N-(2-aryl-propionyl)-sulfonamides and pharmaceutical preparations containing them |
| 12/16/2009 | CN101602696A Preparation method of calcium sulfonate salt with low alkali value |
| 12/16/2009 | CN101602638A Method for synthesizing enol sulphonic acid ester compound |
| 12/16/2009 | CN100569745C Method of preparing tamsulosin |
| 12/10/2009 | WO2009148047A1 Fatty acid alkyl ester sulfonate metal salt flakes and method for producing the same |
| 12/10/2009 | US20090306418 Process for Preparing Alpha-Sulfo-Fatty Acid Ester Salt Surfactants |
| 12/09/2009 | CN101597246A Preparation method of 2-(3, 3, 3-trifluoro propyl) benzsulfamide (I) and midbody thereof |
| 12/09/2009 | CN101597245A Antioxidation method used in the process of synthesizing Igepon A |
| 12/09/2009 | CN101597196A Pharmaceutical drug candidates and methods for preparation thereof |
| 12/09/2009 | CN100567446C Method for preparing drilling diluter of TARA sulfonated tannin |
| 12/09/2009 | CN100567260C Process for preparing (per)fluorohaloethers |
| 12/08/2009 | US7629478 Process for the production of a polyol monomer |
| 12/08/2009 | CA2425168C Aromatic sulfonation reactions |
| 12/03/2009 | WO2009145124A1 Cleaning solution for substrate for semiconductor device |
| 12/03/2009 | WO2009144281A1 Method for the sulphonylation of a hydroxylated organic compound |
| 12/03/2009 | WO2009094336A4 Sulfonated estolides and other derivatives of fatty acids, methods of making them, and compositions and processes employing them |
| 12/02/2009 | EP2128131A1 Process for producing vinylsulfonic acid |
| 12/02/2009 | EP2128130A1 Process for production of precursor compound for radioactive halogen-labeled organic compound |
| 12/02/2009 | EP1490346B1 Stereoselective alkylation of chiral 2-methyl-4-protected piperazines |
| 12/02/2009 | EP1427698B1 Heptafluoro-2-propane sulfonate salts and the use thereof in electronic technology |
| 12/02/2009 | CN101591404A Application of 1-halogeuated carboxylic acid-n-(2 or 3-sulfonic carboxylic acid) diol diester |
| 12/02/2009 | CN101591276A Method for preparing bumetanide |
| 12/02/2009 | CN101591275A Method for synthesizing 1,6-eneyne compounds |
| 12/02/2009 | CN101591274A Technology for producing high-purity p-toluene sulfonic acide |
| 12/02/2009 | CN101591273A Technology for producing high-purity o-toluenesulfonate |
| 12/02/2009 | CN101591272A Atom transfer radical polymerization initiator with surface activity and preparation method thereof |
| 11/26/2009 | WO2009142322A1 Alpha-sulfo fatty acid alkyl ester salt solid including bubbles and production method thereof |
| 11/26/2009 | CA2724897A1 Salts and polymorphs of a tetracycline compound |
| 11/25/2009 | EP2121588A2 Solid detergent composition and process to prepare the same |
| 11/25/2009 | EP1375478B1 Process for preparing amino compounds by using salen-manganese complexes as the catalyst |
| 11/25/2009 | CN101585794A Acid generating agent for chemically amplified resist compositions |
| 11/25/2009 | CN101585788A Allyl sulfonamides compound, preparation method and application thereof |
| 11/25/2009 | CN101585787A Benzenesulphonyl fluoride, preparing method and application thereof |
| 11/25/2009 | CN101585786A Method of using SO*-air mixture to produce alkylphenol sulfonic acid and salts thereof via film sulfonator sulfonated alkylphenol |
| 11/24/2009 | US7622621 Preparation of alkylaromatic hydrocarbons and alkylaryl sulfonates |
| 11/18/2009 | EP2119699A1 Process for preparing acylsulfamoylbenzamides |
| 11/18/2009 | EP1553081B1 Process for the production of water-soluble fluorine -containing vinyl ethers |
| 11/17/2009 | US7619116 Intermediates for the synthesis of (R)-tamsulosin and of its pharmaceutically acceptable salts and process for their preparation |
| 11/11/2009 | EP2114856A1 Process for the preparation of ethyl-n-(2, 3-dichloro-6-nitrobenzyl) glycine hydrochloride |
| 11/11/2009 | CN101575306A Method for preparing sivelestat sodium |
| 11/11/2009 | CN100558703C 2,4-diamino benzenesulfonic acid and its salt synthesizing method |
| 11/11/2009 | CN100558702C 2-hydroxyl radical-3,5-dialkylbenzene sulfonate anionic surface active agent and preparation method and uses thereof |
| 11/10/2009 | CA2479641C Process for producing selected phenyl-alkanes with adsorptive separation step |
| 11/10/2009 | CA2410862C Factor viia inhibitory (thio)urea derivatives, their preparation and their use |
| 11/05/2009 | US20090275779 Method for producing optically active benzylamine derivative |
| 11/04/2009 | EP2113499A1 Use of metal salts of trifuoromethane sulphonic acid as esterification catalyst and/or transesterification catalyst |
| 11/03/2009 | CA2427579C Ortho substituted chiral phosphines and phosphinites and their use in asymmetric catalytic reactions |
| 11/03/2009 | CA2417820C Process for the preparation of alkylarylsulfonates |
| 10/29/2009 | US20090269673 Process for the preparation of compounds containing perfluoroalkanesulfonic acid groups |
| 10/29/2009 | CA2720818A1 Substituted phenoxybenzamides |
| 10/27/2009 | US7608736 Process for preparing acylsulfamoylbenzamides |
| 10/21/2009 | CN101560173A Synthesis process of electronic-grade high-purity methylsulphonic acid |
| 10/20/2009 | US7605287 Producing polyalkylated arylalkyl sulfonic acids by reacting arylalkyl sulfonic acids with olefins uding an acid catalyst; high yields; cost efficiency; nontoxic;low viscosity; salt formation; industrial scale; enhanced oil recovery; synergistic mixtures with surfactants |
| 10/20/2009 | CA2380986C Carboxylic acid amides, the preparation thereof and their use as pharmaceutical compositions |
| 10/15/2009 | WO2009094336A3 Sulfonated estolides and other derivatives of fatty acids, methods of making them, and compositions and processes employing them |
| 10/14/2009 | CN100549001C Method for preparing mixed epoxidized fatty acid monoester using rape oil |
| 10/14/2009 | CN100548975C High basicity boron-containing composite mahogany sulfonate and its preparation method and use |
| 10/13/2009 | US7601676 Sulfonate compositions |
| 10/13/2009 | CA2341678C Potassium channel inhibitors and method |
| 10/07/2009 | CN101553464A Process for preparing alkyl aryl sulphonic acids and alkyl aryl sulphonates |
| 10/07/2009 | CN101550097A Preparation method of 5-chlorosulfonyl isophthaloyl acid chloride |
| 10/07/2009 | CN101550096A Inhibitor enhanced thermal upgrading of heavy oils |
| 10/07/2009 | CN101550095A Method for preparing overbased synthesized heavy alkyl benzene calcium sulfonate |
| 10/07/2009 | CN101550094A Method for preparing important monomer dihalo-disulfonic acid benzophenone of sulfonated polyetheretherketone and salt thereof |
| 10/06/2009 | US7598293 Antidiabetic agents, antilipemic agents, dietetics, anticholesterol agents, hypotensive agents, cardiovascular disorders; (S)-Ethyl 2-methoxy-3-[4-{3-(4-methanesulfonyloxyphenyl) propylamino}phenyl]propionate |
| 10/01/2009 | WO2009119806A1 Vinylsulfonic acid, polymer of the same, and method for producing the same |
| 10/01/2009 | US20090247713 Process of sulfating select polymers |
| 09/30/2009 | EP1644324B1 Process for preparing acylsulfamoylbenzamides |
| 09/30/2009 | EP1477470B1 Process for the production of metal salts of radical-polymerizable compounds |
| 09/30/2009 | CN101544585A Method for preparing (Z)-4-(2-bromovinyl) benzenesulfonimide |
| 09/30/2009 | CN101544584A Method for preparing precursor of Alzheimer disease imaging agent |
| 09/30/2009 | CN101544583A Method for preparing (Z)-4-(2-bromovinyl) benzene sulfonate phenolic ester |
| 09/30/2009 | CN100545148C Anti benign prostate hypertrophy drug tamsulosin synthesis method |
| 09/23/2009 | CN101538229A Synthetic method of anti-BPH (benign prostatic hyperplasia) medicament Tamsulosin |
| 09/23/2009 | CN101538226A Method for synthesizing optically active alpha-hydroxyl-beta-phenmethyl-beta-amino acid derivative |
| 09/17/2009 | WO2009114849A1 Cobalt-catalyzed asymmetric cyclopropanation with diazosulfones |
| 09/17/2009 | WO2009083940A3 Processes for the preparation of 2,5-dihydroxybenzenesulfonic acid salts |
| 09/17/2009 | WO2009017497A3 A method of making a synthetic alkylaryl sulfonate |
| 09/17/2009 | US20090234154 Process for the preparation of tamsulosin and intermediates thereof |
| 09/17/2009 | DE102008013606A1 Verfahren zur Herstellung fester Erdalkalimetallsalze sekundärer Paraffinsulfonsäuren A method for producing solid alkaline earth metal salts of secondary paraffinsulfonic |
| 09/16/2009 | CN101535243A Process for regioselective diol mono-tosylation using catalytic amounts of a generic dialkyltinacetal |
| 09/16/2009 | CN101531832A Low-ash dye dispersant and preparation method thereof |
| 09/16/2009 | CN101531614A Method for preparing aromatic hydroxylamine through selective hydrogenation of aromatic nitro compound with nano Pt/C catalyst |
| 09/16/2009 | CN100540532C Method for preparing mononaphthalenesulfonic acid and sodium salt of mononaphthalenesulfonic acid |
| 09/10/2009 | US20090227571 Androgen Receptor Modulator Compounds and Methods |
| 09/09/2009 | EP2098503A1 5-[(2r)-[2-[2-[2-(2,2,2-trifluoroethoxy)phenoxy]ethyl]amino]propyl]-2-methoxybenzenesulfonamide |
| 09/09/2009 | CN101525307A Sulfonic chloride methyl phenylpropionate synthesis method |
| 09/09/2009 | CN101525306A Method for extracting and separating natural taurine from octopus leftovers |
| 09/09/2009 | CN101525297A 9,9-dialkyl-2,7-dihydroxy-3,6-diamino TI-4,fluorene hydrochloride and preparation method thereof |
| 09/08/2009 | US7585997 Compounds and compositions for treating dysproliferative diseases, and methods of use thereof |
| 09/08/2009 | US7585994 used in electrolytes, batteries, capacitors, supercapacitors, and galvanic cells; N,N-dimethylpyrrolidinium trifluoromethanesulfonate; methyl(triethyl)phosphonium trifluoromethanesulfonate |
| 09/03/2009 | US20090221817 Triethylamine was added dropwise to a solution of 2-methylpropane-2-sulfinyl chloride and methyl trans-4-amino-1-cyclohexane carboxylate p-toluenesulfonate in tetrahydrofuran solvent to obtain Methyl trans-4-(2-methylpropane-2-sulfonylamino)cyclohexanecarboxylate; hydrolysis; oxidation; intermediates |
| 09/02/2009 | EP2095874A2 Zeolite Y alkylation catalysts |
| 09/02/2009 | CN101519351A Method for preparing high allyl alcohol ester |
| 08/27/2009 | WO2009105751A1 Acylsulfonamides and processes for producing the same |
| 08/27/2009 | US20090215730 Antineoplastic compounds and pharmaceutical compositions thereof |
| 08/26/2009 | EP2093208A2 Process for the preparation of 3,3-dimethylbutanal |
| 08/26/2009 | EP2091913A2 Process for preparing alkyl aryl sulphonic acids and alkyl aryl sulphonates |
| 08/26/2009 | EP1242386B1 Nitro-sulfobenzamides |
| 08/26/2009 | CN101516837A Sulfonamide derivatives |