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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04/25/2000 | US6054613 Reacting alkane- or arenesulfonyl halide with an amine in aqueous solvent and extracting sulfonamide from mixture into polar organic solvent |
04/25/2000 | US6054419 Mixture of alkyl-aryl-sulfonates of alkaline earth metals, its application as an additive for lubricating oil, and methods of preparation |
04/20/2000 | WO2000022012A1 Polymers, containing a fluorocyclobutyl ring and their preparation |
04/20/2000 | WO2000021920A1 Diaminopropionic acid derivatives |
04/20/2000 | CA2342886A1 Polymers, containing a fluorocyclobutyl ring and their preparation |
04/19/2000 | CN1251090A Method for prepn. of fatty acyl isethionate salt |
04/19/2000 | CN1051556C Process for prepn. of heterosubstituted acetals |
04/13/2000 | WO2000020389A1 Naphthalenecarboxamides as tachykinin receptor antagonists |
04/13/2000 | WO2000020384A1 Diphenyl compounds substituted by camphor or hydantoin derivatives as sunscreen compositions |
04/13/2000 | CA2345133A1 Naphthalenecarboxamides as tachykinin receptor antagonists |
04/12/2000 | CN1250047A Dibromo-p-methyl azochlorosulfonate and its producing process |
04/11/2000 | US6048979 Cyclotetramerizing, cleavage of arylmethyl groups to prepare cyclen and derivatives |
04/11/2000 | US6048952 Perfluoroalkyl halides and derivatives |
04/11/2000 | US6048665 Process for making a photoactive compound and photoresist therefrom |
04/05/2000 | EP0990641A1 Process for the synthesis of alpha-substituted ring systems |
04/05/2000 | EP0859756B1 Preparation of amido ester compounds |
04/05/2000 | EP0851852B1 Process for nitrating diphenyl ether compounds |
04/05/2000 | CN1249741A Process for purification of substd. p-nitrodiphenylethers |
04/04/2000 | US6046344 Process for the preparation of hydroxypropylated quaternary ammonium compounds containing an ester functional group |
04/04/2000 | US6046236 Carbocyclic sulfonamides |
04/04/2000 | US6046152 As hair shampoo; laundry detergents, dishwashing detergents |
04/04/2000 | US6045664 Forming alkanesulphonyl chlorides by photochemical reaction of an alkane with chlorine and sulphur dioxide using gallium-doped mercury lamp as light source |
04/04/2000 | CA1340948C Peptidylaminodiols |
04/04/2000 | CA1340940C Peptidylaminodiols |
03/29/2000 | CN1050867C Process for preparing perfluoroalkanesulfonyl fluorides |
03/28/2000 | CA2170486C Synthesis of amido acids from carboxylic acids and lactams |
03/23/2000 | WO2000015607A1 Process for the preparation of calcium hydroxyalkane sulphonates |
03/23/2000 | CA2343025A1 Process for the preparation of calcium hydroxyalkane sulphonates |
03/22/2000 | EP0986541A1 Process for covalently coupling organic compounds utilizing diboron derivatives |
03/22/2000 | CN1247863A Carriers for combination of organic synthetic connecting material, their prepn. and use |
03/21/2000 | US6040477 Forming a solution of a mono-, di- or trichlorobenzene-carboxylic acid or -aldehyde, an alkali or alkaline earth metal sulfite or bisulfite and water; adding a base to adjust the ph to 10-14 and heating; noncatalytic reaction; purity |
03/21/2000 | US6040450 Reacting benzosulfide derivative with magnesium to form a magnesium halide containing benzosulfide derivative, reacting the intermediate with pyridine derivative to form intermediate, oxidizing and condensing the intermediate |
03/15/2000 | EP0985662A2 Linker binding carriers for organic synthesis, their production and use |
03/15/2000 | EP0985658A1 Process for producing l-valine benzyl ester p-toluenesulfonate |
03/14/2000 | US6037377 Antiinflammatory agents and antiallergens |
03/14/2000 | US6036830 Desalination of aqueous sulphonamide solutions |
03/10/2000 | CA2281490A1 Linker-bound carriers for organic synthesis, their production and use |
03/09/2000 | WO2000012451A1 Improved processes for making surfactants via adsorptive separation and products thereof |
03/09/2000 | WO2000012077A1 Potassium channel inhibitors and method |
03/09/2000 | DE19840319A1 Verfahren zur Herstellung von aromatischen oder heteroaromatischen Sulfonsäurechloriden A process for the preparation of aromatic or heteroaromatic sulphonyl chlorides |
03/09/2000 | DE19840108A1 Alpha-amino-cycloalkene preparation in quantitative yield by metathesis of amino-alkadiene, used as precursors for e.g. plant protectants, cyclohexylamine or sweeteners |
03/09/2000 | DE19838516A1 Verfahren zur Herstellung von Sulfonylhalogeniden Process for the preparation of sulfonyl halides |
03/09/2000 | CA2341224A1 Improved processes for making surfactants via adsorptive separation and products thereof |
03/08/2000 | EP0983982A1 Process for the preparation of aromatic or heteroaromatic sulfonyl chlorides |
03/08/2000 | EP0983284A1 Synthesis of n-silylated cyclopentaphenanthrene compounds |
03/08/2000 | EP0983216A1 Method for the synthesis of perfluorosulphonamides, perfluorosulphonamides and their salts, and a sulphonation reagent |
03/02/2000 | WO2000010968A2 Novel aryl sulphonamide amino acid esters and analogues |
03/02/2000 | WO2000010966A1 Method for the production of sulfonyl halogenides |
03/02/2000 | CA2341028A1 Novel aryl sulphonamide amino acid esters and analogues |
03/01/2000 | EP0982291A2 Process for the preparation of phenyl esters of amidocarboxylic acids |
02/29/2000 | US6031126 Rearranging a hydrazobenzene compound to form a diaminodiphenyl compound, diazotising, catalytic reacting with a styryl compound to form a distyryl-biphenyl fluorescent whitening agent |
02/29/2000 | US6031121 Method for producing optically active phenylpropionic acid derivative |
02/24/2000 | DE19837627A1 New aminoacid esters of arylsulfonamides are useful for e.g. treating neurodegenerative diseases, pain, convulsions or bacterial or viral infections |
02/23/2000 | EP0868447B1 Iodonitriles as chain transfer agents in the manufacture of perfluoropolymers |
02/22/2000 | US6028219 Process for the nitration of diphenylethers |
02/17/2000 | WO2000008025A1 Synthesis of acyclic nucleoside derivatives |
02/16/2000 | EP0979220A1 SINGLE-STAGE METHOD FOR PRODUCING $g(a)-HYDROXY ETHERS BY OXIDIZING C=C-UNSATURATED COMPOUNDS WITH HYDROPEROXIDES |
02/10/2000 | WO2000006538A1 Methods of purifying lithium salts |
02/09/2000 | CN1243824A Process for preparing monomer of sodium allylsulfonate |
02/09/2000 | CN1049213C Process for producing p-toluenesulfonyl chloride |
02/03/2000 | DE19834567A1 Preparation of sulf(at)o, sulf(at)oalkyl, carboxyl or tri(cyclo)alkyl-halo-ammonium-phenyl amino-acid ester used as bleach activator in laundry and other detergents involves adding inorganic acid chloride to amino-acid and phenol |
02/02/2000 | EP0976451A1 Process for the recovery of perfluorinated sulphonic acids from spent acid |
02/02/2000 | EP0975719A1 Use of glycerin sulfates as viscosity regulators for concentrated aqueous alkyl(ether) sulfate pastes |
02/02/2000 | EP0975717A1 Method for producing sulfated fatty acid esters |
02/01/2000 | US6020518 Process for preparing β-amino-α-hydroxy acid derivatives |
02/01/2000 | US6020303 Mid-chain branched surfactants |
01/31/2000 | CA2279764A1 (perhaloethyl)aromatic compounds and (perhaloethenyl)aromatic compounds therefrom |
01/26/2000 | EP0973704A1 Process for the manufacture of arylsulfonyl chloride |
01/26/2000 | EP0686145B1 New compounds |
01/26/2000 | CN1242360A Method for producing sodium alkyl benzenesulfonate powder |
01/26/2000 | CN1048721C Method for preparing 4,4'-dinitrostilbene-2,2'-disulphonic acid and its salts |
01/19/2000 | EP0971875A1 Process for the purification of substituted p-nitrodiphenylethers |
01/18/2000 | US6015781 Detergent compositions containing selected mid-chain branched surfactants |
01/11/2000 | US6013667 Benzenesulfonylamine compounds, process for preparing them and pharmaceutical compositions |
01/05/2000 | EP0968178A1 N-sulphonyl and n-sulphinyl amino acid amides as microbicides |
01/05/2000 | EP0968162A1 5-hydroxyalkyl substituted phenyls and their use in medicaments for the treatment of arteriosclerosis and hyperlipoproteinaemia |
01/05/2000 | EP0968158A1 Preparation of preparing substituted indanones |
01/05/2000 | EP0794933B1 A method for inhibiting premature polymerization of vinyl aromatic monomers |
01/05/2000 | CN1240423A Method for producing trifluoroacetoacetic acid anilides |
01/04/2000 | US6011177 Process for 4-sulfonamidolphenyl hydrazines |
12/29/1999 | EP0966459A1 Process for preparing fluorinated beta-sultones |
12/29/1999 | CN1239947A Process for production of sulphonamides |
12/28/1999 | US6008181 Mid-Chain branched Alkoxylated Sulfate Surfactants |
12/23/1999 | WO1999065870A2 Sulfonamide inhibitors of aspartyl protease |
12/23/1999 | DE19827273A1 Neue Kristallmodifikation von CIPigment Red 53:2(delta-Phase) New crystal modification of CI Pigment Red 53: 2 (delta-phase) |
12/22/1999 | EP0965616A1 Crystalline modification of pigment C.I. Pigment Red 53:2 (delta phase) |
12/22/1999 | EP0965580A1 Method for producing 1,2-Naphthoquinone-2-diazide derivative |
12/22/1999 | EP0812314B1 Magnesium low base number sulphonates |
12/22/1999 | EP0812313B1 Low base number sulphonates |
12/16/1999 | DE19805671C2 Verfahren zur Herstellung von trübungsfreien Detergensgemischen A process for the production of haze-free detergent mixtures |
12/15/1999 | EP0963446A1 Composition for treating tanned leather, and its preparation |
12/15/1999 | CN1238329A Process for preparing phenoxyphenylsulfonyl halides |
12/14/1999 | US6001881 Administering to treat arrhythmia, angina pectoris, ischemia, shock, cell proliferation, fibrotic diseases, prostate hyperplasia, fat metabolism disorders, and as a preservative for transplant organs, or to prepare a patient for surgery |
12/14/1999 | US6001347 Organic acid compound of given structure having an aromatic amide group, a methoxy group in the ortho position on the aromatic ring, and a lipophilic chain terminated with a carboxylic acid is useful as a nontoxic carrier |
12/09/1999 | WO1999062872A1 New 3-aryl-2-hydroxypropionic acid derivative (i) |
12/09/1999 | WO1999062871A1 New 3-aryl propionic acid derivatives and analogs |
12/09/1999 | WO1999062864A1 Chemical process for the stereoselective synthesis of r-(-)-carnitine |
12/09/1999 | WO1999043285A3 Sulphonamide derivatives |
12/09/1999 | CA2334374A1 New 3-aryl propionic acid derivatives and analogs |
12/09/1999 | CA2333572A1 Chemical process for the stereoselective synthesis of r-(-)-carnitine |