Patents
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)
05/2003
05/15/2003US20030092947 Process for preparing biphenyl compounds
05/15/2003US20030092946 Protecting the hydroxy group by means of a sulphonic ester function; reacting the protected phenolic compound with an electrophilic reactant; deprotecting the hydroxy group
05/15/2003US20030092940 Heating one or more aromatic compounds in presence of a first reactant so as to form one or more product compounds containing aromatic-sulfonimide or aromatic-methylidynetrissulfonyl bonds
05/15/2003CA2465115A1 Process for the preparation of 2-¢alkyl(aryl)!sulfonylbenzene-sulfonyl chlorides and their intermediates
05/14/2003EP1309573A1 Urethane derivatives
05/14/2003EP1309546A1 Sulfation process
05/14/2003EP1309545A1 Method for producing alkyl aryl sulphonates
05/14/2003EP1309542A2 Method for producing hydrolysis-stable ammonium nitriles
05/14/2003EP1156864B1 Co-crystallization process
05/14/2003CN1417206A Alkyl sulfonamide phenyl alkylamide compound and its prepn and medicinal use
05/13/2003US6562874 Composition may be prepared in a single DEFI reactor comprising mixtures of (1) DEFI (directly esterified fatty acyl isethionate) and (2) a compound produced by the reaction of (a) isethionate with a fatty acid replacement
05/08/2003WO2003037851A1 Racemic tamsulosin free base and methods of making the same
05/08/2003WO2003037850A1 Process for resolution of tamsulosin
05/07/2003EP1307442A2 Method for producing lipoic acid and dihydrolipoic acid
05/07/2003EP1001921B1 Improved processes for making alkylbenzenesulfonate surfactants and products thereof
05/07/2003CN1415604A New technique for preparing anhydrous dodecyl benzene sulfonic acid calcium by using method of demulsifier
05/06/2003US6559310 Aryl borates
05/06/2003US6559291 Process for the preparation of diazonaphthoquinonesulfonylchlorides using diphosgene and triphosgene
05/02/2003EP1305281A1 Substituted sulfonyl aminomethyl benzoic acid (derivatives) and method for the production thereof
05/02/2003EP1015428B1 Sulfo-n-hydroxy succinimide and method of preparation
05/02/2003EP0963446B1 Composition for treating tanned leather, and its preparation
05/01/2003WO2003035611A1 Aromatic imide and aromatic methylidynetrissulfonyl compounds and method of making
05/01/2003WO2003035608A1 A method of the preparation of (r)-(-)-5`2-`2-(2-ethoxyphenoxy) ethylamino! propyl!-2-methoxybenzenesulphonamide (tamsulosin)
05/01/2003WO2003035013A1 Hydrolysis stable self-etching, self-priming adhesive
05/01/2003US20030083517 Methods of preparing sulfinamides and sulfoxides
05/01/2003US20030080320 Combining a tertiary amide with a pentavalent phosphorous halide in a solvent to form an alpha - haloiminium salt and converting the alpha -haloiminium salt to the alpha -haloenamine with a base
05/01/2003CA2463322A1 Aromatic imide and aromatic methylidynetrissulfonyl compounds and method of making
04/2003
04/30/2003CN1414955A Nitro-sulfobenzamides compound
04/24/2003WO2003033461A1 Synthesis of oxygen-substituted benzocycloheptenes, used as valuable intermediate products for producing tissue-selective oestrogens
04/24/2003WO2003033460A1 Manufacture of alkyl benzene sulphonic acids
04/24/2003WO2003033459A1 Method for producing arylsuphonic acid isocyanates
04/24/2003WO2003032970A1 5'-carbamoyl-2'-methyl-1,1'-biphenyl-4-carboxamide derivatives and their use as p38 kinase inhibitors
04/24/2003WO2002062769A3 Preparation and purification of antiviral disulfonic acid disodium salt
04/24/2003WO2002040447A3 Solventless synthesis of hydrophilic phenol ester derivatives
04/24/2003US20030078302 As carriers for delivering active agents such as peptides, drugs by administration, such as oral, subcutaneous, sublingual, and intranasal administration
04/24/2003CA2464435A1 Synthesis of oxygen-substituted benzocycloheptenes, used as valuable intermediate products for producing tissue-selective oestrogens
04/24/2003CA2463139A1 Manufacture of alkyl benzene sulphonic acids
04/23/2003EP1303503A2 Aniline derivatives
04/23/2003CN1413185A Substitued 1 and 2 naphthol mannich bases
04/23/2003CN1106366C Preparation of branched surfactant
04/22/2003US6550331 Semiconductor mechanical sensor
04/17/2003WO2003031404A2 Processes for the preparation of substituted isoxazoles and 2-isoxazolines
04/17/2003WO2002064707A3 A process for preparing (branched-alkyl) arylsulphonates and a (branched-alkyl) arylsulphonate composition
04/17/2003WO1998003518A3 New bis-platinum complexes with polymethylene derivatives as ligands having antitumor activity
04/17/2003US20030073684 Respiratory system disorders; cardiovascular disorders; hemorrhage therapy
04/17/2003US20030070928 Sulfonating isobutene with a sulfur trioxide-Lewis base complex at a specific temperature and pressure, diluting the reaction mixture with water, neutralizing the diluted mixture with a base, isolating the salt of methylallylsulfonic acid
04/16/2003EP1301464A1 Biphenylcarboxylic acid amides, production thereof and use thereof as medicaments
04/16/2003CN1411438A Method for preparing fluorosulfonyl imide monomer
04/16/2003CN1411437A Process for preparation of diphenyl ether compounds
04/15/2003US6548706 Directly from a halomethyl alcohol protected amine derivative and an amine or alkyl carbamate substituted halomethyl alcohol without having to isolate the toxic boc-epoxide; high yield of pure enantiomorph
04/15/2003US6548702 Method for the preparation of 2-methoxy-4-(N-t-butylamino-carbonyl)-benzenesulfonyl chloride
04/15/2003CA2297010C Cleaning products comprising improved alkylarylsulfonate surfactants prepared via vinylidene olefins and processes for preparation thereof
04/10/2003WO2003029230A1 Method for preparing benzenesulfonyl compounds
04/10/2003US20030069442 Novel process for the preparation of alpha-(2-4-disulfophenyl)-n-tert-butylnitrone and pharmaceutically acceptable salts thereof
04/10/2003US20030069308 Antidiabetic agents
04/09/2003EP1299402A1 Process for the preparation of higher-alkane sulfonyl halides
04/09/2003EP1299354A2 Factor viia inhibitory (thio)urea derivatives, their preparation and their use
04/09/2003CN1409701A Crystalline form of (S)-2-ethoxy-3-[4-(2-{4-methane sulfonyloxy phenyl} ethoxy) phenyl] propanoic acid
04/09/2003CN1408706A Process for synthesizing 2,4-di-(P-n-dodecyl-oxy-phenylsulfonamido) phenol
04/08/2003WO2002034715A1 Benzamidine derivatives comprising a sulfate group serving as ltb4 antagonists
04/08/2003US6545154 Method for the production of N-(5-amino-2-cyano-4-fluoro-phenyl)-sulphonamides and new intermediate products
04/08/2003US6545150 Certain benzothiazine dioxide endothelin antagonists and processes for their preparation
04/08/2003US6545050 Aryl sulphonamide amino acid esters and analogues
04/08/2003CA2109830C Lhrh antagonists and intermediate products
04/03/2003WO2003027063A1 Sulphonation of phenols
04/03/2003US20030065208 Triphenylphosphine derivative, production process therefor, palladium complex thereof, and process for producing biaryl derivative
04/03/2003US20030065187 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
04/03/2003US20030064906 Reaction of phenolsulfonate with a water content >0.5% by weight and an alkanecarbonyl halide in a hydrocarbon solvent using a basic catalyst of a nitrogen-containing compound; laundry detergents; dishwashers; quality; high yields
04/03/2003US20030064429 Generation of picornaviral viricides; prepare chemical intermediates, form ketoester, lyse enolate, acylate, recover viricide
04/02/2003EP1296944A1 Sulfonamide derivatives
04/02/2003CN1406931A Modified sulfonated product production
04/01/2003US6541471 Useful as a TXA2 receptor antagonist and a 5-HT2 receptor antagonist
03/2003
03/27/2003US20030059826 Soluble combinatorial library for use as tool in drug discovery
03/26/2003EP1294837A1 Oxoalcohol-based detergent
03/26/2003EP1294683A2 A process for preparing biphenyl compounds
03/26/2003EP1294679A1 Beta-amino acid nitrile derivatives
03/26/2003EP1294664A1 Alcohol mixtures having 13 and 15 carbon atoms and the use thereof in the preparation of surface-active substances
03/26/2003CN1405151A Method for preparing sulfonyl chloro aromatics
03/25/2003US6538162 Contacting an alkane-containing gas with non-metal, regenerable, electrophile ions in sulfuric acid to provide electrophilicly activated alkane, forming sulfate ester thereof, and hydrolyzing to convert to oxygenate
03/25/2003US6538159 For use in protecting plants against infestation by phytopathogenic microorganisms
03/25/2003US6538150 Substituted sulfonylaminomethylbenzoic acid (derivatives) and their preparation
03/25/2003US6538016 α-sulfin-and α-sulfonamino acid amides
03/21/2003WO2002026702A1 Phenoxyphenyl alkane sulfonates
03/21/2003CA2423171A1 Phenoxyphenyl alkane sulfonates
03/20/2003WO2002067865A3 N-(aryl)-2-arylethenesulfonamides and therapeutic uses thereof
03/20/2003US20030055303 Process for preparing (branched-alkyl) arylsulfonates and a (branched-alkyl) arylsulfonate composition
03/20/2003US20030054957 Combining functional material to be precipitated as nanoscale particles and surface active material in compressed carbon dioxide phase with density of 0.1 g/cc, rapidly depressurizing compressed phase, thereby precipitating dispersed function
03/19/2003EP1292572A1 Propanolaminotetralines, preparation thereof and compositions containing same
03/19/2003CN1403444A Technological process of synthesizing 1-amino-4-bromo anthraquinone-2-sodium sulfonate
03/19/2003CN1403443A Method of extracting taurine from sodium sulfate
03/18/2003WO2002024637A1 Substituted cinnamic acid guanidides, method for the production thereof, their use as a medicament, and to a medicament containing these compounds
03/18/2003CA2422709A1 Substituted cinnamic acid guanidides, method for the production thereof,their use as a medicament, and to a medicament containing these compounds
03/13/2003WO2003020691A1 Heptafluoro-2-propane sulfonate salts and the use thereof in electronic technology
03/13/2003WO2003020684A1 (alpha)-haloenamine reagents
03/13/2003CA2458859A1 (alpha)-haloenamine reagents
03/12/2003EP1290001A1 Process for the selective deprotonation and functionalization of 3-substituted benzotrifluorides
03/12/2003EP1189898B1 Process for the synthesis of n-(4-cyano-3-trifluoromethylphenyl)-3-(4-fluorophenylsulphonyl)-2-hydroxy-2-methylpropionamide
03/12/2003EP0724569B1 Process for the preparation of an oxirane, aziridine or cyclopropane
03/12/2003CN1402705A Method for preparing imides from sulfonyl fluorides
03/12/2003CN1402704A Comminuted form of (S)-2-ethoxy-3-[4-(2-{4-methane-sulfonyloxyphenyl} ethoxy) phenyl] propanoic acid
1 ... 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 ... 115