Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 303 - Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
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)
10/2000
10/25/2000EP1045829A1 Method for producing n-(3-amino-4-fluorophenyl)- sulphonamides, n-(3-amino-4-fluorophenyl) carboxylic acid amides and n-(3-amino-4-fluorophenyl) carbamates
10/25/2000EP1045827A1 Method for producing (s,s)-n,n'-ethylenediamine disuccinic acid, analogous compounds or salts thereof
10/24/2000US6136975 Method for producing trifluoroacetoacetic acid anilides
10/19/2000WO2000061523A1 Halogenation of protected phenols in meta position
10/19/2000CA2369395A1 Halogenation of protected phenols in meta position
10/18/2000EP1044964A2 Method for producing 1,2-naphthoquinone-2-diazide-4-sulphonyl chloride
10/18/2000EP1044963A2 Process for the recovery of perfluorinated sulphonic acids from spent acid
10/18/2000EP1044962A1 Novel method of catalytic removal of protective group with allyl group
10/18/2000EP1044956A1 A process for the preparation of 2-(4-methylphenyl) benzoic acid derivatives
10/18/2000CN1270623A Cleaning products comprising improved alkylarylsulfonate surfactants prepared viavinylidene olefins and processes for preparation thereof
10/18/2000CN1270574A Improved processes for making alkylbenzeneulfonate surfactants and products thereof
10/18/2000CN1057521C Improved process for prodn. of 1-amino-8 naphthol-3,6-disulfonate of mono-sodium
10/17/2000US6133222 Bleaching detergent comprising bleaching agent, mid-chain branched surfactant, adjunct ingredients
10/17/2000US6133215 New white crystal form of disodium salt of distyrylbiphenyl disulfonic acid
10/13/2000CA2305050A1 A process for the preparation of 2-(4-methylphenyl)benzoic acid derivatives
10/12/2000WO2000059885A1 Method for the preparation of tricyclic amino alcohol derivatives through azides
10/12/2000CA2365503A1 Method for the preparation of tricyclic amino alcohol derivatives through azides
10/11/2000EP0863121B1 PROCESS FOR PREPARING m-HYDROXYALKYLBENZENE
10/11/2000CN1057293C N(1),N(2)-di (2,3-dihydroxy-4,6-disulfobenzyl) ethylene diamine chelant
10/10/2000US6130354 Process for the preparation of shikimic acid and its derivatives
10/10/2000US6130346 Process for preparing an organic compound from an oxirane-containing compound in the presence of a tris(triaminophosphoranylideneamino)phosphine oxide
10/05/2000WO2000032569A3 Alpha-sulfin- and alpha-sulfonamino acid amides
10/05/2000WO2000032568A3 $g(a)-sulfin- and $g(a)-sulfonamino acid amides
10/05/2000WO2000031028A3 Improved synthesis of bleach activators
10/03/2000US6127572 Oxidation reaction of 2-methyl-5-nitrobenzenesulfonic acid with metal hypochlorites in the presence of metal bases from the group consisting of hydroxides and carbonates, essentially with the exclusion of heavy metal salts
10/03/2000US6127571 Controlled reactant injection with permeable plates
10/03/2000US6127550 By reacting a 2-amino-2-substituted ethyl alcohol having position 2 chirality(2-*) with a halide in the presence of a base to form a 2-substituted, 2-* aziridine, reacting with a lithium compound to form a salt, treating with strong acid
09/2000
09/28/2000WO2000056685A1 Methods for the preparation of biphenyl isoxazole sulfonamides
09/28/2000WO2000056683A1 Method for producing alcohol surfactants and alcohol ether surfactants, the products obtained and their use
09/28/2000CA2367916A1 Methods for the preparation of biphenyl isoxazole sulfonamides
09/27/2000EP1038868A2 Sulfonamides as antiviral agents
09/27/2000EP1037622A1 Taurine derivatives usable in the treatment of ophthalmic disorders
09/26/2000US6124504 Reaction of phenols with diazonium salts and subsequent reduction.
09/26/2000US6124497 Preparation of alkane sulfonic acids and sulfonyl chlorides by oxidation of alkanethiols and dialkyl disulfides
09/26/2000US6124496 Reaction of alkali metal isethionate with diols to form alkali metal isethionate ethoxylate
09/21/2000WO2000055126A2 N-cyanomethylamides as protease inhibitors
09/21/2000WO2000055125A2 N-cyanomethyl amides as protease inhibitors
09/21/2000DE19912638A1 Naphthylcarbonsäureamid-substituierte Sulfonamide Naphthylcarbonsäureamid-substituted sulfonamides
09/21/2000DE19912418A1 Verfahren zur Herstellung von Tensidalkoholen und Tensidalkoholethern, die hergestellten Produkte und ihre Verwendung A process for the preparation of surfactant alcohols and surfactant alcohol ethers, the manufactured products and their use
09/21/2000CA2368148A1 Novel compounds and compositions as protease inhibitors
09/21/2000CA2368122A1 Novel compounds and compositions as protease inhibitors
09/20/2000EP1036788A1 Process for producing sulfonic acids or salts thereof
09/20/2000CN1056603C Process for making sulfonated fatty acid alkyl ester surfactant
09/19/2000US6121488 Quenching reagents for solution phase synthesis
09/19/2000US6121486 Recovery of sulphonic acid esters from a hydrocarbon stream
09/19/2000US6121477 Enkephalinase inhibitors; enantiomorphs
09/19/2000US6121330 Cardiovascular disorders; anticholesterol agents; antilipemic agents
09/14/2000WO2000053547A1 Method of preparing surface-active alcohols and surface-active alcoholic ethers, products obtained by said method and their use
09/14/2000WO2000053283A1 Co-crystallization process
09/14/2000DE19910370A1 Verfahren zur Herstellung von Tensidalkoholen und Tensidalkoholethern, die hergestellten Produkte und ihre Verwendung A process for the preparation of surfactant alcohols and surfactant alcohol ethers, the manufactured products and their use
09/13/2000EP1034826A1 Co-crystallization process
09/13/2000CN1266422A Nitration process for diphenyl ethers
09/12/2000US6118016 Process for preparing phenoxyphenylsulfonyl halides
09/08/2000WO2000051958A1 Synthesis of 4-ketocyclopentene and cyclopentadiene compounds
09/08/2000CA2360507A1 Synthesis of 4-ketocyclopentene and cyclopentadiene compounds
09/06/2000EP1033365A1 Diureides and their use
09/05/2000US6114580 Catalyst for making herbicides
09/05/2000US6114568 Process for alkylating hindered sulfonamides useful in the production of matrix metalloproteinase inhibitors
09/03/2000CA2299871A1 Diureides and their use
08/2000
08/30/2000EP0888297B1 N-arylsulfilimine compounds and their use as catalysts in the preparation of n-arylarylsulfonamide compounds
08/30/2000CN1265095A Method for prodn. of N-(5-amino-2-cyano-4-fluoro-phenyl)-sulphonamides and new intermediate products
08/30/2000CN1055920C Aklyl benzoylguanidines derivatives
08/30/2000CN1055919C Arylbenzoylguanidin
08/29/2000US6111136 Method for preparation of perfluoroalcanecarboxylic and perfluoroalkanesulfonic acids
08/29/2000US6111133 Process for preparing substituted styrenes
08/29/2000US6111026 Monomers derived from perhalogenated sultones and macropolymer(s) therefrom
08/24/2000WO2000049028A1 Method for preparing chiral diphosphines
08/24/2000WO2000048623A1 Novel amide derivatives as growth hormone secretagogues
08/24/2000CA2362290A1 Novel amide derivatives as growth hormone secretagogues
08/23/2000EP1029850A1 Method for producing sulfonimide or its salt
08/23/2000EP1028802A1 Reactions of aromatic compounds
08/23/2000CN1263886A Method for preparing guanidine derivative
08/23/2000CN1055682C Process for preparing mesylamido-phenethylamine derivative
08/23/2000CN1055679C Phenethylamine derivative with cardiovascular activity
08/22/2000US6106994 Esterifying a polyphenol compound and naphthoquinone-1,2-diazidesulfonyl halide in the presence of for example monomethyldicyclohexylamine, and positive photosensitive composition contains resultant ester
08/17/2000DE19905613A1 Photoinitiierung der Sulfochlorierung oder Sulfoxidation von Alkanen durch UV-Excimer-Strahlung zur Herstellung von Alkansulfochloriden und Alkansulfonaten Photo initiation of sulfochlorination or sulfoxidation of alkanes by UV excimer radiation for producing Alkansulfochloriden and alkanesulfonates
08/16/2000EP1028107A1 Photoinitiation of the sulfochlorination or sulfoxidation of alkanes through UV-excimer-ray for the preparation of alkylsulphonic chlorides and alkylsulfonates
08/16/2000EP1027326A1 Method for functionalizing a phenolic compound bearing an electron-donor group
08/16/2000EP1027312A2 Improved processes for making surfactants via adsorptive separation and products thereof
08/16/2000EP0863869B1 Method of preparing 2-trifluoromethoxybenzene sulphonamide
08/16/2000CN1055474C Noval crystal type anhydrous 7-([1 alpha, 5 alpha, 6 alpha]=6-amino-3-azabicyclo [3,1,0] hexyl-3-group)-6-fluorine-1-(2,4-difluorophenyl
08/16/2000CN1055460C Preparation of C-substituted diethylentriamine
08/10/2000WO2000046235A1 Novel betulinic acid derivatives, processes for preparing such derivatives and its use as cancer growth inhibitors
08/10/2000WO2000046188A1 Method for producing alkanesulfonic acids
08/10/2000DE19904262A1 Verfahren zur Herstellung von Alkansulfonsäuren A process for preparing alkanesulfonic acids
08/10/2000CA2362072A1 Method for producing alkanesulfonic acids
08/09/2000EP1026152A1 Process for producing perfluorovinyl ethersulfonic acid derivatives and copolymer of the same
08/03/2000WO2000044711A1 ACETYLENIC $G(b)-SULFONAMIDO AND PHOSPHINIC ACID AMIDE HYDROXAMIC ACID TACE INHIBITORS
08/03/2000WO2000044710A2 Acetylenic aryl sulfonamide and phosphinic acid amide hydroxamic acid tace inhibitors
08/03/2000WO2000044709A2 ACETYLENIC α-AMINO ACID-BASED SULFONAMIDE HYDROXAMIC ACID TACE INHIBITORS
08/03/2000CA2356855A1 Acetylenic aryl sulfonamide and phosphinic acid amide hydroxamic acid tace inhibitors
08/03/2000CA2356345A1 Acetylenic beta-sulfonamido and phosphinic acid amide hydroxamic acid tace inhibitors
08/03/2000CA2356299A1 Acetylenic .alpha.-amino acid-based sulfonamide hydroxamic acid tace inhibitors
08/02/2000EP1023356A1 Specific fluorinated ethers as reaction medium
08/02/2000EP1023262A1 Process for preparing a fatty acyl isethionate salt
08/01/2000US6096926 Perfluoroalkylation method and reagent therefor
08/01/2000US6096924 In the presence of at least one vanadium compound of oxidation state 0, ii, iii, iv, or v, wherein said vanadium compound is dissolved or dispersed in said solution or melt.
08/01/2000US6096919 New sulphonated imine intermediates
08/01/2000US6096889 Aromatic amino sulfonic acid compound is purified by dissolving the aromatic amino sulfonic acid compound in a basic aqueous medium; acidifying the aqueous medium to precipitate the aromatic aromatic amino sulfonic acid compound
07/2000
07/26/2000EP1022269A2 Sulfonium salts and method of synthesis
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