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Patent Searching and Data


Matches 1,051 - 1,100 out of 9,553

Document Document Title
WO/2001/060787A1
The invention relates to a method for the safe production of nitroethionate, by reaction of 4-nitro-N-methylaniline with 1,3-dioxa-2,4-dithian-2,4-bis dioxide. The method is characterised in that an ether of polyhydric alcohols or a cycl...  
WO/2001/058862A1
The invention relates to a method for producing diaryliodonium sulfonates in high yields and with a high degree of purity and then isolating the same, by reacting special diaryliodonium salts with an aliphatic or aromatic sulfonic acid o...  
WO/2001/058853A1
Compunds of formula (1 and 1-1), wherein R?1¿, R?2¿, R?3¿, R?4¿, R?5¿, A, B have the meanings given within.  
WO/2001/058843A1
A process for preparing optically active secondary alcohols of the general formula (3), [wherein R?1¿ is linear lower alkyl, an aromatic ring group, or the like; A is CH¿2?NR?2¿R?3¿ or the like; n is an integer of 0 to 2; and * repre...  
WO2000071506A3
Compounds of formula (I), wherein R<1> and R<2> are substituents on the A rings and are, independently, -SO2NR<7>2, -C(O)NR<7>2, -NR<7>SO2R<7>, -NR<7>C(O)R<7>, -SO2OR<7>, -C(O)OR<7>, -OSO2R<7>, or -OC(O)R<7>, R<3> and R<4> are, independe...  
WO/2001/055104A1
A process for preparing optically active N-substituted azetidine-2-carboxylic acids of the general formula (2) efficiently, simply, easily and industrially advantageously by subjecting an optically active 4-(substituted amino)-2= halogen...  
WO/2001/051461A1
An integrated process for preparing $g(a)-(2,4-disulfophenyl)-N-tert-butylnitrone and its salts is disclosed in which N-tert-butylhydroxylamine acid addition salt is incompletely neutralised so as to leave catalytic amounts of acid and t...  
WO/2001/051459A1
Solid aryl sulfonates are purified by preferentially dissolving impurities into an aqueous liquid phase.  
WO/2001/051460A1
A process for the preparation of $g(a)-(2-4-disulfophenyl)-N-tert-butylnitrone and pharmaceutically acceptable salts thereof by the reaction of the corresponding disulfophenyl aldehyde with N-tert-butylhydroxylammonium acetate is disclosed.  
WO/2001/051463A1
The present invention relates to a physical form of the known drug substance glyburide, also known as glibenclamide, and chemically defined as 5-chloro-N-[2-[4-[[[(cyclcohexylamino)-carbonyl]amino]sulfon yl]phenyl]ethyl]-2-methoxybenzami...  
WO2001042226A8
The present invention relates to a compound of formula (I) wherein R<1> is an unsubstituted or substituted hydrocarbon radical having a total of 1 to 10 carbon atoms, preferably 1 to 6 carbon atoms, R<2> is an unsubstituted or substitute...  
WO/2001/049657A1
Compounds of formula (I): wherein X?1¿ is alkyl, sulphonyl or carboxy; X?2¿ is hydrogen or alkyl; R?1¿ is arylmethyl or heterocyclylmethyl; R?2¿ is alkyl, alkenyl, aryl, cycloalkyl or cycloalkenyl; and R?3¿ is hydrogen, alkyl, alken...  
WO/2001/047872A1
Disclosed is a method for the preparation of a fluorosulfonyl imide monomer of the structure represented by formula (IV), wherein X is F or perfluoroalkyl having 1-4 carbons optionally substituted by ether oxygen, M is an alkali or alkal...  
WO/2001/047873A1
The invention relates to a novel method for producing N-substituted 2,4-diamino-5-fluoro benzonitriles that are known as intermediates in the production of herbicides. The invention further relates to novel N-substituted 4-bromo-6-fluoro...  
WO/2001/047874A1
Compounds of formula (I) wherein R is hydrogen, alkyl, alkenyl, alkynyl, aryl, heteroaryl or heterocyclyl; and R?1¿ is bicyclyl or heterobicyclyl; are useful in the treatment and prophylaxis of conditions mediated by s-CD23 or TNF.  
WO/2001/047866A1
The invention relates to substituted 1 and 2 naphthol Mannich bases, a method for the production thereof, medicaments containing said compounds and the use of said compounds in the production of medicaments.  
WO/2001/046120A1
The present invention provides a new process for the preparation of 2S,3S-N-isobutyl-N-(2-hydroxy-3-amino-4-phenylbutyl)-p-nitro benzenesulfonylamide hydrochloride, wherein this compound is prepared directly from the chloromethylalcohol....  
WO/2001/046130A1
A process for producing fomesafen from acifluorfen comprises the steps of (a) converting acifluorfen to its acid chloride, (b) coupling the acid chloride so formed with methanesulphonamide to form crude fomesafen and (c) purifying the cr...  
WO/2001/045694A1
The present invention relates to sulfonamides, pharmaceutical compositions containing them, and their use as antagonists of urotensin II.  
WO/2001/044403A1
Fluorescent monomers of formula (I) and (II) wherein M is selected from the group consisting of hydrogen, sodium, potassium, cesium, rubidium, lithium and ammonium, and n is selected from the group consisting of 1, 2, 3, 4, 6 and 9; are ...  
WO/2001/044252A1
The invention relates to magnesium (ether) sulphate pastes, with a solids content of at least 30 wt. %, which are obtained by sulphating fatty alcohols and/or fatty alcohol ethoxylates, (II) treating the resulting sulphated product with ...  
WO/2001/044173A1
An improved process for removing trace solvent from a material comprises rewetting the product with water during the drying process. Finished products such as suramin are produced efficiently to a high quality on a factory scale.  
WO2001000608A8
Racemic or optically pure N-(4-cyano-3-trifluoromethylphenyl)-3-(4 -fluorophenylsulphonyl)-2-hydroxy-2-methylpropionamide of formula (I) is prepared by the following process: 2,3-dihydroxy-2-methylpropionic acid of formula (VII) is react...  
WO/2001/044261A1
Process for treating filtration panels obtained by the filtration of oils containing sulfonates of earth-alkaline metal, the above filtration being carried out in the presence of filter aids essentially consisting of siliceous material, ...  
WO2001005354A3
The present invention relates to a process for the preparation of benzenesulfonylureas having the structure formula (I). According to the product which is to be prepared, the radical R<1> may represent: a) 5-methylpirazinyl with X repres...  
WO/2001/042226A1
The present invention relates to a compound of formula (I) wherein R?1¿ is an unsubstituted or substituted hydrocarbon radical having a total of 1 to 10 carbon atoms, preferably 1 to 6 carbon atoms, R?2¿ is an unsubstituted or substitu...  
WO/2001/042202A1
The invention discloses compositions which may be prepared in a single DEFI reactor comprising mixtures of (1) DEFI and (2) compound products by reaction of (a) isethionate with fatty acid replacement or (b) fatty acid with isethionate r...  
WO/2001/040167A1
A production process by which an onium salt derivative useful as, e.g., an acid generator in resists of the chemical amplification type can be synthesized in high yield. The process comprises reacting an onium salt derivative having a ha...  
WO/2001/040168A1
An acetalsulfonate derivative useful as an intermediate for medicines and agricultural chemicals; a process for industrially producing the derivative; and a process for industrially producing a styrene oxide derivative from the acetalsul...  
WO/2001/040153A1
The present invention provides a process for preparing optically active $g(a)-hydroxy acids and derivatives thereof by subjecting the alkylated 1,3-dioxolanones of formula (IV) wherein R¿1? and R¿2? are the same or different and are ea...  
WO/2001/040169A1
The present invention relates to a reduced particle size form of the compound (S)-2-ethoxy-3-[4-(2-{4-methanesulfonyloxyphenyl}ethoxy)phen yl] propanoic acid, as shown in formula (I), or a pharmaceutically acceptable salt thereof or a so...  
WO/2001/040171A1
The present invention relates to a novel crystalline form of the compound (S)-2-ethoxy-3-[4-(2-{4-methanesulfonyloxyphenyl}ethoxy)phen yl] propanoic acid, shown by formula (I), or a pharmaceutically-acceptable salt thereof, and solvates ...  
WO/2001/040173A1
A process for producing high-purity (R)-(-)-3'-(2-amino-1-hydroxyethyl)-4'-fluoromethanesulfonan ilide or a high-purity salt thereof, characterized by suspending or dissolving crude (R)-(-)-3'-(2-amino-1-hydroxyethyl)-4'-fluoromethanesul...  
WO/2001/040174A1
This invention discloses a method for preparing imides (I) and (II) from compounds having a sulfonyl fluoride functional group. The imides so prepared are useful in a variety of catalytic and electrochemical applications. (I) or polymer ...  
WO/2001/038299A1
The invention relates to a method for producing and purifying substituted benzene sulfonates, whereby a mixture, which contains, in free or bound form, at least one substituted benzene sulfonate or at least one corresponding substituted ...  
WO/2001/038300A1
Disclosed is a process for producing sulfonyl amide salts useful as imidizing agents in the preparation of sulfonyl imides.  
WO/2001/038297A1
3-(3-Hydroxy-4-methoxyphenyl)-3-methylbutyric acid can be obtained by substituting the substituent at the 3-position of the benzene ring of a butyric acid derivative which can be easily and efficiently produced by reacting a hydroxyl-pro...  
WO/2001/038298A1
The invention relates to a method for isolating 4-sulfophenyl-[(1-oxyalkanoyl)amino]alkanoate out of a mixture containing 4-sulfophenyl-[(1-oxyalkanoyl)amino]alkanoate, water and an organic solvent. The inventive method is characterized ...  
WO/2001/036363A1
This invention provides a process for preparing acylaromatics comprising reacting an aromatic compound with a carboxylic acid in the presence of a reaction medium comprising polyphosphoric acid and a strong protic acid. In one embodiment...  
WO/2001/036375A1
This invention relates to new aminoalcohol derivatives or salts thereof represented by formula (I): wherein each symbol is as defined in the specification or salts thereof which have gut selective sympathomimetic, anti-ulcerous, anti-pan...  
WO/2001/036383A1
A process for the production of an aryl sulfamide having formula (I), in which R?1¿, R?2¿ and R?3¿ are each hydrogen, alkyl, cycloalkyl or aryl, provided that at least one of R?1¿, R?2¿ and R¿3? is aryl,which comprises reacting a c...  
WO/2001/036382A1
A process for producing a specific benzenesulfonic acid derivative compound, which is suitable for use as a dopant capable of imparting high electrical conductivity to $g(p)-electron conjugated polymers, which comprises contacting a spec...  
WO/2001/034561A1
The present invention relates to a process for preparing phenylhydrazines of formula (I) in which R represents CH¿2?SO¿2?NHCH¿3?, CH¿2?CH¿2?SO¿2?Ph, CH¿2?CH¿2?SO¿2?NHMe or a group of structure (A), (B), (C), in which a diazonium...  
WO2000055125A3
The present invention relates to novel N-cyanomethyl amides which are cysteine protease inhibitors, the pharmaceutically acceptable salts and N-oxides thereof, their uses as therapeutic agents and the methods of their making.  
WO/2001/028989A1
A process for producing a monomer compound represented by general formula (II) (wherein M represents an alkali metal or alkaline earth metal; and n is 0, 1, or 2) by thermally decomposing a compound represented by formula (I) (wherein M ...  
WO/2001/029112A1
A process for the production of zwitterionic polyamines by sulfation of alkoxylated and quaternized amines and subsequent neutralization which comprises continuously sulfating an alkoxylated and quaternized polyamine having at least two ...  
WO/2001/028988A1
The invention provides a process that can be used for producing a bis-glycolate ester of 5-sulfo isophthalate metal salt. The process comprises contacting a 5-sulfo isophthalate a metal salt or a dialkyl ester of 5-sulfo isophthalate met...  
WO/2001/027076A1
The invention relates to a method for the production of sulfonyl chloride. Said method consists in reacting a salt of sulfinic acid comprising a carbon in sulfur-alpha which includes at least two fluorine atoms with a chlorinating reagen...  
WO/2001/025172A1
A method for sequentially performing a synthesis, separation and screening of chemical entities, especially a combinatorial library, is described. The method utilises a bulk of a stationary phase (e.g. silica gel, aluminium oxide, cellul...  
WO/2001/025243A1
The present invention relates to compounds that have a novel use as a carbon monoxide source and optionally as a reducing agent in the preparation of transition metal carbonyl complexes. The compounds are in general compounds of formula ...  

Matches 1,051 - 1,100 out of 9,553