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)
04/2008
04/22/2008US7361787 Prophylaxis of respiratory disorders and therapy, also metod of synthesis and composition with PDE4 inhibitor, corticosteroid hibitor or anticholinergic agent
04/22/2008US7361782 Less toxic and less bioaccumulative than longer chain perfluorinated groups; for polymerizable water- and oil-repellent acrylic resins
04/22/2008US7361765 resides in the superior properties of the succinate salt of ((1R,3S)-3-isopropyl-3-{[3-(trifluoromethyl)-7,8-dihydro-1,6-naphthyridin-6(5H)-yl]carbonyl}cyclopentyl)[(3S,4S)-3-methoxytetrahydro-2H-pyran-4-yl]amine
04/22/2008CA2300083C Propylene oxide purification
04/16/2008EP1911748A1 Method for producing substituted phenylsulfonyl ureas from sulfohalogenides
04/16/2008EP1910399A2 Novel intermediates, process for their preparation and process for the preparation of coq10 employing the said novel intermediates
04/16/2008EP1910280A2 Process of sulfonating 4-aminobenzonitriles
04/16/2008CN101161640A Preparation technique of 2-amido-3,6,8-naphthalenetrisulphonic acid
04/16/2008CN100381949C Electrically conductive polymer, semiconductive composition using the same and semiconductive member for electrophotographic equipment
04/15/2008CA2410303C Beta-amino acid nitrile derivatives
04/15/2008CA2319092C Anionic surfactants based on alkene sulfonic acid
04/10/2008WO2008041713A1 Method for producing compound having fluorosulfonyl group
04/10/2008US20080086014 giving patterns having high resolution and excellent exposure margin; fine processing of semiconductors; esterification; reacting sodium salt of difluorosulfoacetic acid with triphenylsulfonium chloride
04/09/2008EP1907356A2 Process for the preparation of sulfonamide derivatives
04/09/2008EP1907355A2 Process for the synthesis of sulfonyl halides and sulfonamides from sulfonic acid salts
04/09/2008CN101160286A Process for the preparation of ccr-2 antagonist
04/09/2008CN101157643A Method for preparing Igepon A series anionic surfactant
04/09/2008CN101157642A Method for preparing 4-sulfonate phenylhydrazine
04/08/2008US7355021 Single pot process for the preparation of diazonaphthoquinonesulfonyl ester
04/03/2008WO2008039367A1 Synthesis of trans-tert-butyl-2-aminocyclopentylcarbamate
04/03/2008WO2008038640A1 Method for producing salt of 4-sulfinylamino-1-cyclohexanecarboxylic acid
04/03/2008WO2008037628A1 Sulfonamide derivatives
04/03/2008WO2008009816A3 Aromatic sulfinates and sulfonyl halides, and the preparation thereof
04/03/2008US20080081925 Sulfonium compound
04/03/2008US20080081857 Method of making a thermoplastic composition containing an antistatic agent
04/03/2008CA2664037A1 Sulfonamide derivatives
04/02/2008EP1905758A1 Tamsulosin free base and recovery process thereof
04/02/2008CN101155777A Method for producing disulfonyl fluride compound
04/02/2008CN100378054C Process for preparation of 3,3-dimethylbutanal
04/01/2008US7351836 Antiinflammatory agents
03/2008
03/27/2008WO2008035677A1 Novel chlorofluorosulfonimide and method for producing the same
03/26/2008EP1902018A1 Method of making fluorinated vinyl ethers
03/26/2008EP1902004A2 Onium-alkylsulfonate production method
03/26/2008CN101148430A Preparation method for 4-sulfonamidophenylhydrazine hydrochloride
03/26/2008CN101148429A Method for preparing 2-amino-5-naphthol-1,7-disulphonic acid
03/26/2008CN101148428A Method for producing 3-chloro-2-hydroxypropanesulfonic acid sodium salt
03/26/2008CN101148427A Method for preparing substituted taurine
03/26/2008CN100376553C Full halothane sulfonic acid salts, preparation method and application
03/26/2008CN100376516C Sulphonylation method and reagent useful for perhalogenated sulphanilide synthesis
03/25/2008US7348462 Process for preparing branched olefins from a paraffinic wax
03/25/2008US7348459 Reacting isobutylene, ethylene and mineral acid; hydrolyzing the ester to produce 3,3-dimethylbutanol, and converting 3,3-dimethylbutanol to 3,3-dimethylbutanal; by-product inhibition
03/25/2008US7348448 Substituted phenyl esters; dementia
03/20/2008WO2008032463A1 Process for production of sulfonic acid ester
03/19/2008CN101146768A Method for producing sulfamate-carboxylate derivative
03/19/2008CN101146767A Taurine synthesis, production and utility as a medicine
03/19/2008CN101143841A Method for producing 4-aminotoluene-3-sulfonic acid
03/18/2008US7345212 Process for olefin oligomerization
03/13/2008WO2008030112A1 Processes of preparing asymmetric dinitrobenzamide mustard compounds, intermediate compounds useful therein and products obtained therefrom
03/13/2008WO2008012433A3 Process for preparing a sulphonic acid anhydride
03/12/2008EP1896403A1 An improved process for the preparation of florfenicol
03/12/2008EP1896402A1 Process for the production of (alkoxycarbonylamino)alkyl sulfonates
03/12/2008EP1896401A2 Unsaturated sulfides, sulfones, sulfoxides and sulfonamides synthesis
03/12/2008CN101142171A Removal of residual sulfur dioxide from dimethyl sulfate
03/12/2008CN101139310A Method for synthesizing albifaction activator alkyl acylorxy radical benzene sulfonate
03/12/2008CN100374415C Fluorinated onium salts
03/11/2008US7341607 Yellow anionic disazo dyes
03/11/2008CA2259216C Methyl 4-iodo-2-[n-(n-alkylaminocarbonyl)aminosulfonyl]benzoate and derivatives thereof, and a process for their preparation
03/06/2008WO2007010356A8 Process for the preparation of sulfonamide derivatives
03/05/2008EP1893565A1 Process and compound
03/04/2008CA2352360C Pesticide formulations containing alkoxylated tristyrylphenol hemi-sulfate ester neutralized alkoxylated amine surfactants
03/04/2008CA2350490C Method of producing alkane sulfonic acid
02/2008
02/28/2008WO2007119110A3 Process for the preparation of tamsulosin and related compounds
02/27/2008EP1695958B1 Method for producing chlorosulfonyl isocyanate
02/27/2008CN101130509A Process for producing sulfonamide- trimethylamine containing fluorine
02/27/2008CN100371317C Method for synthesizing taurine arginine salt
02/26/2008US7335790 Insoluble in a polar solvent, obtained by heat treating of polycyclic aromatic hydrocarbons such as coronene in concentrated sulfuric acid or fuming sulfuric acid to thereby condense and sulfonate the polycyclic aromatic hydrocarbons; use as a solid strong acid catalyst
02/26/2008US7335787 Salt formation; combining an alkyl, aryl or cyclohexyl iodonium salt derivative containing a halide anion or a carboxylate anion with a sulfonic acid ester, dialkylsuric acid or a phosphoric acid derivative; sulfonate, phospate or sulfate anion with an iodoinium or sulfonium alkyl cation
02/26/2008US7335687 Used to treat hypercholesterolemia, hyperlipemia, arteriosclerosis, mycoses, gallstones, hyperproliferative disorders, impaired glucose tolerance, or diabetes; aminocyclohexanol derivatives; e.g. N-(4-(4-[ethyl-(2-hydroxy-ethyl)-amino]-but-1-ynyl)-cyclohexyl)-N-methyl-4-trifluoromethyl-benzenesulfonamide
02/21/2008US20080045745 Polycyclic Aromatic Carbon Based Solid Strong Acid
02/21/2008US20080045598 aromatase inhibitors such as N-methyl-N-[2-(4'-nitro benzyloxy)-4-nitrophenyl] methanesulfonamide, used for suppressing aromatase activity expression in breast cancer cells; anticarcinogenic agents
02/20/2008EP1888519A2 Styrylsulfonamides, their manufacture and use as pharmaceutical agents
02/20/2008EP1888516A1 Hydrofluoroalkanesulfonic acids and salts from fluorovinyl ethers
02/20/2008EP1888515A1 Manufacture of hydrofluoroalkanesulfonic acids
02/19/2008US7332610 Chemical intermediates for production of sibutramine
02/19/2008CA2281226C Process for synthesizing .alpha.-substituted ring systems
02/14/2008US20080039662 Isomerizing an alkyl cis-4-(alkylsulfonylamino)cyclohexanecarboxylate to form the trans isomer with a base (alkali metal lower alkoxide, hydride or amide) in an aprotic solvent (toluene); forming the free acid by hydrolysis; sulfonation of alkyl 4-aminocyclohexanecarboxylate with alkylsulfinyl chloride
02/13/2008EP1885692A2 Process for the preparation of tamsulosin
02/13/2008CN101124196A Process for the preparation of enantiomerically pure 1-substituted-3-aminoalcohols
02/13/2008CN101121678A Method for preparing D-(+)-3-bromkampfer-10-sulfonic acid
02/13/2008CN100368405C Method for producing substituted phenylsulfonyl carbamides from sulfohalogenides
02/13/2008CN100368392C Bifunctional phenyliso(thio)cyanates, processes and intermediates products for their preparation
02/12/2008US7329780 Preparing (R)-5-{2-[2-(2-ethoxyphenoxy)ethylamino]-propyl}-2-methoxybenzenesulfonamide by amidating (R)-2-(4-methoxy-3-aminosulfonyl-phenyl)-1-methylethylamine with a haloacetyl compound, reacting the haloacetamide formed with o-ethoxyphenol or its Na or K salt, and reducing the product.
02/12/2008US7329779 Reacting an arylsulfonic acid with thionyl chloride in a cyclic or acyclic aliphatic hydrocarbon as a solvent; no benzene or other toxic, expensive and/or dangerous substances are required
02/07/2008US20080033208 Process for Manufacturing Optically Pure (R) or (S)-5-(2-Aminopropyl)-2-Methoxybenzene Sulfonamide
02/07/2008US20080033207 Preparation of R-5- (2-(2-Ethoxyphenoxyetylamino) -2-Methoxybenzen-Sulphonamide Hydrochloride of High Chemical
02/07/2008US20080028543 reacting an azo compound containing hydroxyphenyl and 4-amino-2'-nitro-4'-sulpho-1,1'-diphenyl- groups under basic conditions with tert-butylbenzene-4-sulfonyl chloride; for dyeing or printing organic substrate such as wool, silk, and synthetic polyamide
02/06/2008CN101117325A Optical rotation N-alkynes propanesulfonamide monomer and method for making same
02/06/2008CN100366604C Method for functionalizing phenolic compound bearing electron-donor group
01/2008
01/31/2008WO2008013174A1 PROCESS FOR PRODUCING α-SULFO-FATTY ACID ALKYL ESTER SALT
01/31/2008WO2008012433A2 Process for preparing a sulphonic acid anhydride
01/31/2008WO2008011830A1 Process for synthesizing 2,4-diamino benzene sulfonic acid and salts thereof
01/30/2008EP1881959A1 Process for preparation of sulfamide derivatives
01/30/2008CN101113139A 2-hydroxyl radical-3,5-dialkylbenzene sulfonate anionic surface active agent and preparation method and uses thereof
01/29/2008US7323608 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
01/29/2008US7323596 Antibacterial or antiprotozoal activity: formula (1) formula (2) wherein: Z represents a radical of formula N(OH)CH( .dbd. O) or of formula C( .dbd. O)NH(OH); R1 represents hydrogen, methyl or trifluoromethyl, or, except when Z is a radical of
01/29/2008CA2416882C Sulfation process
01/24/2008WO2008009816A2 Aromatic sulfinates and sulfonyl halides, and the preparation thereof
01/24/2008WO2008009815A2 Method for preparing aromatic sulfonates
01/23/2008CN101108816A Method of synthesizing sulfonation paratope ester
01/23/2008CN101108815A Method of recycling precipitating agent in production of L-leueine
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