| 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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| 05/05/2004 | CN1494528A Benzophenones as inhibitors of reverse transcriptase |
| 05/04/2004 | US6730783 Reacting aminoguanidine with carbonyl compound to form amidinohydrazone; reduction; reacting with alkoxyamine; guanidinylation; anticoagulants |
| 04/29/2004 | WO2004035532A1 Process for producing aminoalkylsulfonic acid salt |
| 04/29/2004 | WO2004035531A1 Process for producing aminoalkylsulfonic acid and method of salt exchange for salt thereof |
| 04/29/2004 | WO2004035530A2 Method for the production of alkylaryl sulfonates |
| 04/29/2004 | US20040082826 Solvent extraction for alkylation of paraffinic feedstock with olefinic alkylation agents |
| 04/29/2004 | DE10248002A1 Verfahren zur Herstellung von Alkylarylsulfonaten A process for the preparation of alkylarylsulfonates |
| 04/29/2004 | CA2498039A1 A process for producing of an aminoalkylsulfonic acid and a method of salt exchange for salt thereof |
| 04/28/2004 | EP1412321A2 Perfluoroalkyl-substituted amines, acids, amino acids and thioether acids |
| 04/28/2004 | EP1003718B1 Method for the production of n-(5-amino-2-cyano-4-fluoro-phenyl)-sulphonamides |
| 04/28/2004 | CN1491940A Mediumchain branching primary alkyl sulphate |
| 04/28/2004 | CN1147468C Conversion of hydroxy group in certain alcohols into fluorosulfonate ester or trifluoromethylsulfonate ester |
| 04/27/2004 | US6727386 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 |
| 04/22/2004 | WO2003097588A3 Fluorosulfates of hexafluoroisobutylene and its higher homologs and their derivatives |
| 04/22/2004 | US20040077861 Asymmetric addition of organometallic compounds to chiral sulfinimine to give adducts in predominantly one diastereomer can subsequently be transferred into pure enantiomers of by cleavage of the chiral auxilliary |
| 04/21/2004 | EP1409453A1 Novel diamines having a casr modulating activity |
| 04/21/2004 | EP1409451A1 Fluorofunctional statistical polymers with low glass transition temperature and method for obtaining same |
| 04/21/2004 | CN1491273A Process for preparing (branched-alkyl) arylsulphonates and (branched-alkyl) arylsulphonate composition |
| 04/21/2004 | CN1490310A Preparation of Duofeilite and its medicinal salts |
| 04/21/2004 | CN1146597C Polymers containing fluorocyclobutyl ring and their preparation |
| 04/20/2004 | US6723879 Process for preparing amino compounds by using salen-manganese complexes as the catalyst |
| 04/15/2004 | WO2004031134A1 Process for making substituted aryl sulfonamides using an indium based catalyst system |
| 04/15/2004 | WO2004002951A3 Method for synthesis of hydrogenofluoromethylenesulphonyl radical derivatives |
| 04/14/2004 | CN1488616A Preparation for fluro-halogenated ether |
| 04/14/2004 | CN1488608A Process for preparing sulfonated or sulfated product from liquid sulfur dioxide and special apparatus thereof |
| 04/13/2004 | US6720449 N-protecting an optically active 3-haloalanine derivative followed by cyclization for aziridine-2-carboxylic acid derivatives |
| 04/13/2004 | US6720441 Recovery and purification of substituted benzenesulfonates |
| 04/13/2004 | US6720357 Sulfonamide derivatives |
| 04/08/2004 | WO2004029006A2 Process for the preparation of fluorohaloalkanes |
| 04/08/2004 | WO2004006829A3 Method of separating r(-)- and s(+)-5-[2-[[2-(2-ethoxyphenoxy)ethyl]amino]propyl-2-methoxybenzene-sulphonamide |
| 04/08/2004 | WO2003095422A3 Catalytic process for preparing perfluoroethanesulfonyl fluoride and/or perfluorodiethylsulfone |
| 04/08/2004 | WO2003082778A8 Process for olefin oligomerization |
| 04/08/2004 | WO2003070690A3 Novel amino acid derivatives, method for production thereof and pharmaceutical compositions comprising said derivative |
| 04/08/2004 | US20040068126 Such as, hydrogenation, hydride transfer, allylic alkylation, hydrosilylation, hydroboration, hydrovinylation, hydroformylation, olefin metathesis, hydrocarboxylation, isomerization, cyclopropanation, Diels-Alder reaction, etc. |
| 04/08/2004 | US20040067944 Antiarrhythmia agents |
| 04/07/2004 | EP1404651A1 Process for the preparation 3-aryl-2-hydroxypropionic acid derivative |
| 04/07/2004 | EP1404648A1 Amidine substituted aryl and heteroaryl derivatives with an antithrombotic and factor xa inhibiting action |
| 04/07/2004 | EP1404438A2 A surfactant assisted nanomaterial generation process |
| 04/07/2004 | EP1305281B1 Substituted sulfonyl aminomethyl benzoic acid (derivatives) and method for the production thereof |
| 04/07/2004 | EP1265856B1 Novel process for the preparation of alpha-(2-4-disulfophenyl)-n-tert-butylnitrone and pharmaceutically acceptable salts thereof |
| 04/07/2004 | CN1487918A Method for photochemical sulphochlorination of gaseous alkanes |
| 04/07/2004 | CN1486977A Method for producing segregative 3,4-diamino benzene sulfonic |
| 04/07/2004 | CN1486976A Prepn and application of alkyl aryl sulfonate |
| 04/01/2004 | WO2004026808A1 Manufacturing process for no-donating compounds such as no-donating diclofenac |
| 04/01/2004 | US20040062971 Method for fullerene derivative and the fullerene derivative proton conductor and electrochemical device |
| 04/01/2004 | CA2498943A1 Manufacturing process for no-donating compounds such as no-donating diclofenac |
| 03/31/2004 | EP1242559A4 Fluorescent monomers and polymers containing same for use in industrial water systems |
| 03/31/2004 | EP1052257B1 Process for producing optically active threo-3-amino-1,2-epoxy compounds |
| 03/31/2004 | CN1143845C Method for preparing amidobenzene sulfonyl chloride |
| 03/31/2004 | CN1143844C Method for preparing nitrobenzene sulfonyl chloride |
| 03/31/2004 | CN1143843C Process for preparing trifluoromethyl sulfoacid 2-trimethylammonium-4,5-dimethoxy-benzaldehyde |
| 03/25/2004 | WO2004024737A1 Method for the organometallic production of organic intermediate products comprising carbon-heteroatom bonds achieved by the deprotonation of heteroatoms |
| 03/25/2004 | WO2003070694A3 Method for treating an imide organic solution bearing a sulphonyl group |
| 03/25/2004 | US20040059158 Method of friedel-crafts acylation of anilides |
| 03/25/2004 | US20040059148 Method for producing hydrolysis-stable ammonium nitriles |
| 03/25/2004 | US20040059126 Reacting diaminobenzene with anhydrous sulphuric acid while stirring and adding ice; sunscreen agents, cosmetics |
| 03/25/2004 | US20040058931 Potassium channel inhibitors and method |
| 03/25/2004 | DE10243028A1 Verfahren zur Herstellung isolierter 3,4-Diaminobenzolsulfonsäure Process for the preparation of isolated 3,4-diaminobenzene |
| 03/24/2004 | EP1400507A1 Process for the preparation of isolated 3,4-diaminobenzenesulfonic acid |
| 03/24/2004 | EP1399780A1 Method for purifying free-base p-phenylenediamine-type photographic color developers |
| 03/24/2004 | EP1399417A1 Method for producing perfluoroalkanesulfonic acid esters |
| 03/24/2004 | EP1240135B1 Method for preparing fluorosulfonyl imide monomer |
| 03/24/2004 | EP1161232B1 Hydroxy diphenyl urea sulfonamides as il-8 receptor antagonists |
| 03/24/2004 | CN1484626A Method for the production of alkyl aryl sulphonates |
| 03/24/2004 | CN1142906C Intermediate for producing 2-trifluoromethoxy benzene sulfonamide |
| 03/24/2004 | CN1142905C Process for producing alpha-sulfo-fatty acid alkyl ester salt |
| 03/23/2004 | CA2252435C Branched surfactant manufacture |
| 03/18/2004 | WO2004022532A1 Benzenesulphonamides and process for their preparation |
| 03/18/2004 | WO2004022531A1 Gentle sulphating method |
| 03/18/2004 | WO2003016249A8 Process for producing branched olefins from linear olefin / paraffin feed |
| 03/18/2004 | US20040050683 Reaction of an alkane with chlorine and sulphur dioxide, using as light source an indium-doped medium-pressure mercury lamp |
| 03/18/2004 | US20040050162 Semiconductor mechanical sensor |
| 03/17/2004 | EP1198289B1 Sulphonation process and inhibition of build-up in reaction vessels |
| 03/17/2004 | EP1117638B1 Biphenyl compounds substituted by camphor or hydantoin derivatives as sunscreen compositions |
| 03/17/2004 | CN1483012A Method for fullerene derivative and the fullerene derivative proton conductor and electrochemical device |
| 03/17/2004 | CN1482116A Coffee acyl naphthalene sulfonamides compound and method for preparing the same and anti HIV conformity enzyme action |
| 03/17/2004 | CN1142137C 2-naphtylamine-6-sulfonyl aniline and its prepn and application |
| 03/17/2004 | CN1142136C Process for controlling particle size of 1,,2- diazo naphthoquinone 4- or 5- sulfonic acid esters |
| 03/16/2004 | US6706923 Perfluoroalkyl-substituted amines, acids, amino acids and thioether acids |
| 03/16/2004 | US6706915 Using a metal compound as a catalyst, a corresponding organic sulfonic acid or a salt can be obtained by reacting an organic substrate with a sulfur oxide in the absence of n-hydroxy and n-oxo cyclic imide compounds |
| 03/16/2004 | US6706765 Aminoguanidines and alkoxyguanidines as protease inhibitors |
| 03/11/2004 | WO2004020401A1 Synthesis of sulfonamide derivatives |
| 03/11/2004 | US20040049041 Acylation, deacylation, resolution |
| 03/11/2004 | US20040048928 Containing an amide or sulfonamide group; sunscreens for human skin and/or hair, as well as glass, plastic, textile, paint, varnish, or foodstuff. |
| 03/11/2004 | DE10240260A1 Formation of heteroatom-carbon bonds, giving products of interest for the pharmaceutical and agrochemical industries, comprises using an organolithium compound prepared by reacting an aliphatic or aromatic halide with lithium |
| 03/10/2004 | EP1395549A1 Compounds and methods for preparing methanesulfonamides |
| 03/10/2004 | EP1237855B1 Crystalline form of (s)-2 ethoxy-3- 4-(2- 4-methanesulfonyloxyphenyl ethoxy) phenyl] propanoic acid |
| 03/10/2004 | EP1202960B1 Method for the preparation of 2-methoxy-4-(n-t-butylamino-carbonyl)-benzenesulfonyl chloride |
| 03/10/2004 | CN1481358A Carboxylic acid amide derivatives and their use in treatment of thromboembolic diseases and tumours |
| 03/10/2004 | CN1480452A Method for preparing sodium salt DNS acid from NTS |
| 03/09/2004 | US6703521 Alkyl esters of the 2-(2-fluorosulphonyl)-perfluoroethylenoxy-3-halogen-propionic acid |
| 03/04/2004 | WO2004018413A1 Method of drying fluorinated 2-alkoxypropionic acid derivative |
| 03/04/2004 | WO2003045878A3 2,w-diaminocarboxylic acid compounds |
| 03/04/2004 | US20040044227 From 1,3,8-octanetriol |
| 03/04/2004 | US20040044189 Process for the preparation of anthracycline derivatives |
| 03/04/2004 | US20040044061 Analgesics; side effect reduction |
| 03/03/2004 | EP1392649A2 Mixtures of sulfogroup-containing esters of polybasic organic acids with long-chain alkanols |
| 03/03/2004 | EP1274672B1 Method for producing substituted nitro benzoic acids by oxidation of corresponding nitro toluenes, nitro benzyl alcohols, esters and/or ethers |
| 03/03/2004 | EP1124797B1 N-arylsulfonyl amino acid omega amides |
| 03/03/2004 | CN1140507C Method for preparing Jacid (7-amino-4-hydroxy-2-naphthalone sulfonic acid) |