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)
10/2001
10/30/2001US6310256 Synthesis of 4-ketocyclopentene compounds
10/30/2001US6310206 Method for the production of N-(5-amino-2-cyano-4-fluoro-phenyl)-sulphonamides and new intermediate products
10/25/2001WO2001079161A1 NOVEL α-SULFIN- AND α-SULFONAMINO ACID AMIDE DERIVATIVES
10/25/2001WO2001079160A1 Alpha-sulfin- and alpha-sulfonamino acid amide derivatives
10/25/2001WO2001079159A1 NOVEL α-SULFIN- AND α-SULFONAMINO ACID AMIDES
10/25/2001WO2001079151A1 Method for producing substituted nitro benzoic acids by oxidation of corresponding nitro toluenes, nitro benzyl alcohols, esters and/or ethers
10/25/2001US20010034461 Dimerizating alpha-olefins forming branched-chain hydrophobic feedstocks for detersive surfactants
10/25/2001US20010034371 Antidiabetic agents
10/25/2001CA2406903A1 Alpha-sulfin- and alpha-sulfonamino acid amide derivatives
10/25/2001CA2404263A1 Novel .alpha.-sulfin- and .alpha.-sulfonamino acid amide derivatives
10/25/2001CA2403563A1 Novel .alpha.-sulfin- and .alpha.-sulfonamino acid amides
10/24/2001EP1147078A1 Acetylenic (beta)-sulfonamido and phosphinic acid amide hydroxamic acid tace inhibitors
10/24/2001CN1073556C Prep. of dibromo-p-methyl azochlorosulfonate
10/23/2001US6307076 Reacting an amido acid with an inorganic acid chloride in the melt and reacting the resulting amidocarboxylic acid halide with a phenol derivative in an organic solvent.
10/23/2001US6306959 Rapid purification by polymer supported quench
10/18/2001WO2001077071A1 Method for producing ditaurine and salts thereof
10/17/2001EP1146037A1 Process for the preparation of optically active amino alcohols
10/17/2001EP1144369A2 Acetylenic aryl sulfonamide and phosphinic acid amide hydroxamic acid tace inhibitors
10/17/2001EP1144368A2 Acetylenic alpha-amino acid-based sulfonamide hydroxamic acid tace inhibitors
10/17/2001EP1144066A1 Dehydration process
10/17/2001CN1073087C Process for producing acyloxybenzenesulfonic acid or salt thereof
10/16/2001US6303802 Reacting fatty acid and/or alkyl ester of fatty acid and hydroxyalkylsulfonic acid in esterification reaction at specified temperature, thereby providing acyloxyalkanesulfonic acid, reacting with ethylenediaminetetrapropylene glycol
10/11/2001WO2001074763A1 Aryl and heteroaryl sulfonates
10/11/2001DE10033580A1 Verfahren zur Herstellung von Ditaurin und seinen Salzen A process for preparing Ditaurin and its salts
10/11/2001DE10015866A1 Aryl- und Heteroarylsulfonate Aryl and Heteroarylsulfonate
10/11/2001CA2404545A1 Aryl and heteroaryl sulfonates
10/10/2001EP1140809A1 New biphenyl and biphenyl-analogous compounds as integrin antagonists
10/10/2001EP1140808A1 Pesticide formulations containing alkoxylated tristyrylphenol hemi-sulfate ester neutralized alkoxylated amine surfactants
10/10/2001EP1140745A1 Colchinol derivatives as vascular damaging agents
10/10/2001CN1316420A Meta-aminophenylsulfonyl J acid, its synthesizing process and its usage
10/10/2001CN1072644C 4-fluoroalkyl substituted phenacyl guanidine, its prpearing method, application as medicine or diagnosis agent and medicine containing such compound
10/10/2001CN1072643C Prepaation of ammonium hydroxyalkyl/alkamoylalkyl sulfonates
10/09/2001US6300376 Indane dimer compounds and their pharmaceutical use
10/09/2001US6300106 Method of preparing 3-[2-{(Methylsulfonyl)oxy}-ethoxy ]-4-(triphenylmethoxy)-1-butanol, methane sulfonate
10/04/2001WO2001072687A1 Diphenyl ether compounds useful in therapy
10/04/2001EP1137629A1 Continuous production of 2-acrylamido-2-methylpropane-sulfonic acid in a small reactor integrated with acrylic polymer fiber production
10/04/2001CA2404439A1 Diphenyl ether compounds useful in therapy
10/03/2001CN2451586Y Aerosol phase type fatty acid methyl ester sulphonator
10/02/2001US6297399 Hypotensive agents
10/02/2001US6297398 Reacting a perfluoroalkylsulfonyl halide with a nitrogenous nucleophile in the presence of an oil soluble neutralizing base which cannot be alkylated
09/2001
09/27/2001WO2001014576B1 Process and intermediates for the preparation of isoxazolecaroxamides and analogues
09/26/2001EP1135369A2 Alpha-sulfin- and alpha-sulfonamino acid amides
09/26/2001EP1135368A2 Alpha-sulfin- and alpha-sulfon-amino acid amides
09/26/2001EP0944589B1 Process for the production of sulphonamides
09/26/2001EP0937015B1 Nitration process
09/26/2001CN1314344A Difluore methane-sulfonic acid metal reagent, and its synthetic method and use
09/20/2001WO2001068657A1 Triphenylphosphine derivative, production process therefor, palladium complex thereof, and process for producing biaryl derivative
09/20/2001WO2000071506A9 Naphthalene ureas as glucose uptake enhancers
09/20/2001US20010023240 Compounds and compositions for delivering active agents
09/19/2001EP1133472A1 Method of producing organic disulfides
09/19/2001EP1133471A1 Hydrazine derivatives
09/19/2001EP1133470A1 Method of producing alkane sulfonic acid
09/19/2001CN1313279A Process for synthesizing 4,4'-diamino diphenylethene-2,2'-disulfonic acid
09/19/2001CN1071317C Preparation of substituted guanidine derivatives
09/19/2001CN1071316C Preparation for substituted guanidine derivatives
09/18/2001US6291710 Process for preparing sulfonyl halides
09/13/2001WO2001066516A1 Process for the preparation of triflic anhydride
09/13/2001US20010021790 Reacting a fluorinated sulfonyl halide with anhydrous ammonia, or salt thereof
09/12/2001EP1131337A1 Novel betulinic acid derivatives, processes for preparing such derivatives and its use as cancer growth inhibitors
09/12/2001EP1131323A1 Synthesis of acyclic nucleoside derivatives
09/12/2001EP1131285A2 Improved synthesis of bleach activators
09/12/2001CN1312795A New 3-aryl propionic acid derivatives and analogs
09/12/2001CN1312126A Preparation for alkyl alkoxylated sulfate surfactant mixture composition
09/11/2001US6288246 Reaction of hydroxylamine with alkylsilyl halide, hydrolysis with acid
09/11/2001US6288224 Preparation of n-arylmethyl aziridine derivatives, 1,4,7,10-tetraazacyclododecane derivatives obtained therefrom and n-arylethyl-ethanolamine sulphonate esters as intermediates
09/07/2001WO2001064610A1 Synthesis of alkylbenzenes and synlubes from fischer-tropsch products
09/06/2001US20010020113 Placing a nucleophile, whose nucleophilic atom is advantageously a nitrogen, in contact with a sulphonyl halide and an organic base
09/06/2001US20010020092 Nitro-sulfobenzamides
09/05/2001EP1129057A1 Synthesis of n-silylated cyclopentaphenanthrene compounds
09/05/2001CN1311772A New 3-aryl-2-hydoxy-propionic acid derivative I
08/2001
08/30/2001WO2001014576A3 Process and intermediates for the preparation of isoxazolecaroxamides and analogues
08/30/2001DE10005571A1 Verfahren zur Herstellung von Diaryliodonium-Salzen A process for preparing diaryliodonium salts
08/29/2001EP1127036A1 Sulphonylation method and reagent useful for perhalogenated sulphanilide synthesis
08/29/2001CN1070175C Process for producing 2,6-di-substituted ester benzenesulfonate
08/23/2001WO2001060795A1 Processes for preparing optically active amino acid derivatives
08/23/2001WO2001060787A1 Method for the production of nitroethionate
08/23/2001CA2369678A1 Process for producing optically active amino acid derivatives
08/22/2001EP1124797A1 N-arylsulfonyl amino acid omega amides
08/22/2001EP1124796A2 Monomers, ionomers and polymers for electrochemical uses
08/22/2001EP0932599B1 Process to manufacture methane sulfonic acid
08/16/2001WO2001058862A1 Method for producing diaryliodonium sulfonates
08/16/2001WO2001058853A1 Dehydroamino acids
08/16/2001WO2001058843A1 Process for preparing optically active secondary alcohols having nitrogenous or oxygenic functional groups
08/16/2001US20010014754 Condensation of 2-hydroxymethyl-3-phenylpropionic acid and glycine benzyl ester, conversion of hydroxyl group to elimination group, substitution by acetylthio group; enkephalin and acetylcholinesterase inhibitors
08/16/2001EP1123919A1 Process for producing peptidyl aldehydes
08/16/2001EP1123369A1 Laundry detergents comprising modified alkylbenzene sulfonates
08/16/2001DE10006545A1 Verfahren zur Herstellung von Nitroethionat A process for preparing Nitroethionat
08/16/2001CA2397993A1 Dehydroamino acids
08/15/2001CN1308057A INtermediate for producing 2-trifluoromethoxy benzene sulfonamide
08/14/2001US6274761 Process for the preparation of sulphonated distyryl-biphenyl compounds
08/14/2001US6274748 Mixing fatty acid with an amino oxy alkane; heating; dehydration
08/14/2001US6274714 Method for producing 1,2-naphthoquinone-2-diazide-4-sulfonyl chloride
08/14/2001US6274677 Process for the producing perfluorovinyl ethersulfonic acid derivatives and copolymer of the same
08/09/2001WO2000071506A3 Naphthalene ureas as glucose uptake enhancers
08/09/2001US20010012903 Amines or salts thereof and methods of preparing same
08/09/2001US20010012857 Pharmaceutical for treatment of neurological and neuropsychiatric disorders
08/08/2001EP1122240A2 Process for producing sulfonylimide compound
08/08/2001EP1122239A2 Process for producing sulfonylimide compound
08/08/2001EP1121384A1 Polymers, containing a fluorocyclobutyl ring and their preparation
08/08/2001EP1121342A1 Diaminopropionic acid derivatives
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