Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 851 - 900 out of 9,492

Document Document Title
WO/2003/045896A1
The present invention relates to a new process for the preparation of the ($i(S))-naproxen 4-nitrooxybutyl ester and to new intermediates obtained and used therein. The invention further relates to the use of the new intermediates for th...  
WO2003018552A3
The present invention is directed to protected amino acid halide monomers and oligomers, and to their use in the efficient sythesis of polyamides. The present invention is further directed to the use of -haloenamine reagents, which may o...  
WO/2003/040087A1
A process for the preparation of 2-[alkyl(aryl)]sulfonylbenzene sulfonyl chlorides of the formula (I), in which R is alkyl or aryl substituted at the ortho or meta positions with alkyl, aryl, NHAc or alkoxy, comprising the steps of: a) r...  
WO/2003/040382A1
A process for easily producing from an inexpensive material various kinds of optically active chroman derivatives useful as intermediates for medicines, etc. A cyclic hemiacetal (1) obtained from dihydrocoumarin through one step is conve...  
WO/2003/037851A1
Racemic tamsulosin free base is obtained in solid form. The solid form can be formed by precipitating racemic tamsulosin free base from a solvent that comprises at least one of water or a lower alcohol. The crystalline free base exhibits...  
WO/2003/037850A1
Optically impure tamsulosin including racemic tamsulosin can be resolved into optically pure (R)- or (S)-tamsulosin by the use of diastereomeric sulfonate salts of tamsulosin in a fractional crystallization technique.  
WO/2003/035608A1
The compound of formula (I) is obtained via reaction of a compound of formula (III), or (VII), with a compound of formula (IV).  
WO/2003/035013A1
An aqueous one−pack self−etching and self−priming dental adhesive composition having a pH of at most 2, which comprises: (i) a polymerizable N−substituted alkylacrylic or acrylic acid amide monomer which optionally contains an in...  
WO/2003/035611A1
A method is provided for making aromatic-imide and aromatic-methylidynetrissulfonyl species by reaction of aromatic species with a reactant according to formula (I): (X-SO¿2?-)¿m?-QH-(-SO¿2?-R¿1?)¿n? wherein Q is C or N; wherein eac...  
WO2002040447A3
Process for preparing benzenesulfonate salts from an appropriately substituted acid chloride and a hydroxybenzenesulfonic acid is conducted in the absence of solvent, in a molar excess of acid chloride and in the presence of a phase tran...  
WO/2003/033459A1
The invention concerns a method for producing arylsulphonic acid isocyanates by reacting an arylsulphonamide with a phosgene in the presence of an alkylisocyanate in a catalytically active amount.  
WO/2003/033461A1
The invention relates to intermediate products and a novel method for producing benzocycloheptene C. The inventive method for producing the novel intermediate products of said compound is based on cost-effective starting materials, produ...  
WO2002062769A3
The present invention provides a new process and intermediates for the production of antiviral compound 4',4-bis-{4,6-bis-[bis-carbamoyl-methyl-1-sulfamoyl)phenylam ino]-[1,3,5]triazin-2-ylamino}-biephenyl-2,2'-disulfonic acid and its ph...  
WO/2003/032970A1
Compounds of formula (I) or pharmaceutically acceptable salts or solvates thereof, and their use as pharmaceuticals, particularly as p38 kinase inhibitors.  
WO/2003/033460A1
A novel, storage-stable, free-flowing, solid product consisting essentially of an alkyl benzene sulphonic acid having 1 to 4 aliphatic carbon atoms and from 7 to 11 % water based on the weight of the product, said alkyl benzene sulphonic...  
WO/2003/031404A3
Provided are compounds, processes and synthetic intermediates useful for the preparation of compounds of the formula I and IX wherein R1 is selected from the group consisting of hydrogen, trihalomethyl, C1-C6 alkyl and substituted or uns...  
WO1998003518A3
Bis-platinum(II) complexes with polymethylene derivatives, the method of making the complexes, and the use of the complexes for the treatment of tumors in mammals, are disclosed. The method of making the polymethylene derivatives, is als...  
WO/2003/031404A2
Provided are compounds, processes and synthetic intermediates useful for the preparation of compounds of the formula I and IX wherein R1 is selected from the group consisting of hydrogen, trihalomethyl, C1-C6 alkyl and substituted or uns...  
WO2002064707A3
A process for preparing branched alkyl aromatic hydrocarbons, which process comprises contacting branched olefins within an aromatic hydrocarbon under alkylating conditions, which branched olefins have been obtained by a process which co...  
WO/2003/029230A1
The present disclosure provides a method for the preparation of aromatic sulfonyl halides by contacting a substituted phenyl compound with a halosulfonic acid and trifluoroacetic acid. The present disclosure further provides a method for...  
WO/2003/027063A1
A process for the preparation of sulphonated phenols of general formula (I) where R¿1? is hydrogen, a C¿1?-C¿20? alkyl group which is unsubstituted or substituted by halogen, cyano, hydroxyl, C¿1?-C¿20? alkoxy, C¿2?-C¿20? alkoxyca...  
WO2002067865A3
N-(Aryl)-2-arylethenesulfonamides and pharmaceutically acceptable salts and compositions thereof are useful as antiproliferative agents, including, for example, anticancer agents. They are also useful as radioprotective agents.  
WO/2003/020691A1
The invention relates to the alkalimetal salts, tetraalkyl ammonium salts and phosphonium salts of heptafluoro-2-propane sulfonates, said salts being suitable for use in electronic technology, for example as support electrolytes for batt...  
WO/2003/020684A1
The present invention describes immobilized haloenamine reagents, immobilized tertiary amides, methods for their preparation, and methods of use.  
WO2002070470A3
The present invention is directed to benzophenone compounds of formula (IA) in which the variables are as defined in the claims, useful in the inhibition of HIV reverse transcriptase, particularly its resistant varieties.  
WO/2003/018552A2
The present invention is directed to protected amino acid halide monomers and oligomers, and to their use in the efficient sythesis of polyamides. The present invention is further directed to the use of -haloenamine reagents, which may o...  
WO2002072542A3
NMDA receptor blockers, including pH-sensitive NMDA receptor blockers, are provided as neuroprotective drugs that are useful in stroke, traumatic brain injury, epilepsy, and other neurologic events that involve acidification of brain or ...  
WO/2003/016285A1
The invention relates to a method of preparing 4-(imidazole-1-il) benzenesulphonamide derivatives having formula (I), wherein R?1¿ represents an optionally substituted aryl or heteroaryl group. The inventive method is characterised in t...  
WO/2003/016249A1
A process for producing branched olefins from a mixed linear olefin/paraffin isomerisation feed comprising linear olefins having at least 7 carbon atoms in 5-50%w comprising in a first stage skeletally isomerising linear olefins in the i...  
WO/2003/016246A1
A method of effecting a nucleophilic substitution of an alcohol to produce a target product includes the steps of: reacting the alcohol and a nucleophile with an azodicarboxylate and a phosphine. At least one of the azodicarboxylate and ...  
WO/2003/014070A1
This invention relates new and improved processes for the preparation of arylalkylsulfonic acids derived from aromatic or substituted aromatic molecules and AOS acid (generally a mixture of alkenesulfonic acid and sultones, produced from...  
WO/2003/014056A1
A process for efficiently producing an optically active 2−bromocarboxylic acid and optically active 2−sulfonyloxycarboxylic acid which are important for producing medicines, etc. An optically active 2−sulfonyloxycarboxylic ester is...  
WO2002024635A3
The present invention relates to a compound formula (I) wherein X1 is bond or -O-CH2-, (II) or (III) R<1> is hydrogen or an amino protective group, a is phenyl, indolyl or carbazolyl, each of which may be substituted with one or two subs...  
WO/2003/010128A2
Perfluoroalkyl-substituted amines, acids, amino acids and thioether acid compounds containing a perfluoroalkyl-iodoalkyl or perfluoroalkyl-alkene group as well as derivatives thereof, are described. They are useful as surfactants in a va...  
WO/2003/010136A1
Organometallic complexes characterized by being represented by the general formula (1), which can be advantageously used in the systems of synthesis of carboxylic esters from aldehydes, e.g., Tishchenko’s reaction: (1) wherein M is a m...  
WO/2003/006563A1
An imaging composition comprising a mixture of a fluid and a functional material; wherein the fluid is compressed and the functional material is dispersed and/or solubilized in the compressed fluid; and wherein the mixture is thermodynam...  
WO/2003/004463A1
The invention concerns fluorofunctional statistical polymers of formula (V1), wherein: X, Y and Z represent a hydrogen atom and exhibiting in particular low glass transition temperatures obtained in particular from a monomer of formula (...  
WO/2003/003115A1
A process for purifying p-phenylenediamine color developers in their free-base form. The process includes subjecting a solution containing p-phenylenediamine-type free base color developer to short path distillation which includes at lea...  
WO/2003/002506A1
A process for producing a fluorinated vinyl ether through a simple procedure in high yield from a fluorinated acid fluoride compound having an ester group, which is a precursor for a carboxy group, or an SO2F group, which is a precursor ...  
WO/2003/000653A1
The invention relates to novel substituted N-acyl aniline derivatives of general formula (I), where R?1¿ to R?5¿, A, X, Y and Z are as defined in claim 1, the tautomers, stereoisomers, mixtures, prodrugs, derivatives with a group, nega...  
WO2002064532A3
A process for preparing branched olefins which process comprises dehydrogenating an isoparaffinic composition comprising 0.5 % or less quaternary aliphatic carbon atoms over a suitable catalyst, which isoparaffinic composition comprises ...  
WO/2002/102250A1
A positron emission tomography (PET)-ready library of candidate pharmaceutical agents is provided which can be prepared by a multistep process wherein the final or penultimate step is a reaction using a PET-ready reagent or a plurality o...  
WO2001023352A9
Disclosed is a process for the oxidation of sulphonamides of formula (I) to N-sulphonyl imines of formula (II) using chromium (IV) dioxide as the oxidant. Also disclosed is a process for the preparation of imines of formula (iii) or comb...  
WO/2002/098844A1
The invention relates to a method for producing perfluoroalkanesulfonic acid esters and for further transforming the same into the salts thereof. The invention also relates to the use of the produced compounds in electrolytes, batteries,...  
WO/2002/098845A1
A process for preparing (S)-(-)-N-[4-[4-[ethyl(6-fluoro-6-methylheptyl)amino]-1-hydr oxy]phenyl]methanesulfonamide hemifumarate salt, which comprises reacting N-[4[(2S)-tetrahydro-5-hydroxy-2-furanyl]phenyl]methanesulfo namide (IIa) with...  
WO/2002/096865A1
A process for the preparation of a compound of formula (I) in which R represents H or an acid protecting group which comprises reacting a compound of formula (II) in which R is as previously def ined with a compound of formula (III) wher...  
WO2002079122A3
This invention relates to the method of placing a sulfone or sulfonamide group ortho to a phenol in a drug substance in order to increase the metabolic stability and the half-life of the compound, while maintaining the acidity of the phe...  
WO/2002/092557A1
The invention relates to a method for producing 2-trifluoromethoxy-benzole sulphonamide of formula (I) exhibiting very good yields and a high degree of purity by reacting trifluoromethoxy-benzole of formula (II) with a cross-linked alkyl...  
WO/2002/092556A1
Sulfonamide derivatives of the formula I wherein R?1¿-R?6¿ are as defined in the description, processes for their production, their use as pharmaceuticals, particularly for use in the treatment or prevention of diseases in which bradyk...  
WO/2002/090297A1
A process that can be used for sulfonating, sulfating, or sulfamating an organic compound is disclosed. The process can comprise, consist essentially of, or consist of, contacting the organic compound with sulfur trioxide under a conditi...  

Matches 851 - 900 out of 9,492