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Patent Searching and Data


Matches 501 - 550 out of 9,553

Document Document Title
WO/2009/037981A1
By using an organic base when a carboxylic acid bromodifluoroethyl ester is sulfinated by using a sulfinating agent, there is obtained 2-(alkylcarbonyloxy)-1,1-difluoroethanesulfinic acid ammonium salt. By oxidizing the 2-(alkylcarbonylo...  
WO/2009/037416A1
The present invention relates to a process for preparing a class of sulphonamides which are aspartyl protease inhibitors. These compounds find therapeutic use in the treatment of the human immunodeficiency virus (HIV). This virus is the ...  
WO/2009/037497A1
The present invention relates to a process for preparing a class of sulphonamides which are aspartyl protease inhibitors. These compounds find therapeutic use in the treatment of the human immunodeficiency virus (HIV). This virus is the ...  
WO/2009/037980A1
Disclosed is a process for producing 2-bromo-2,2- difluoroethanol, which comprises reducing a bromodifluoroacetic acid derivative represented by the formula [1] by using an ate hydride complex as a reducing agent. 2-Bromo-2,2-difluoroeth...  
WO/2009/029633A1
The invention relates to new processes for preparation of 18F-labelled alkylation reagents that can be used in the alkylation of amines that are suitable for use in labelling of Positron Emission Tomography (PET) radiotracers. (I)  
WO/2009/025391A1
Disclosed is a method for producing a dihalobiphenyl compound, which is characterized by comprising a process wherein an aqueous solution containing an inorganic salt and a dihalobiphenyl compound represented by the formula (1) below is ...  
WO/2009/017497A2
A process for preparing a synthetic petroleum sulfonate comprising (a) reacting a first amount of at least one aromatic compound with a first amount of a mixture of olefins having from about 8 to about 100 carbon atoms, in the presence o...  
WO/2009/015137A1
A process for making a useful cleaning product from an alkoxylate of a secondary alcohol which comprises: (a) partially sulfating a secondary alcohol alkoxylate with sulfur trioxide in a falling film sulfation reactor at a molar ratio of...  
WO/2008/135198A3
The invention relates to a method for isolating concentrated paraffin sulfonic acids from reaction mixtures that are produced during the sulfoxidation of n-paraffins, from which a major part of the sulfuric acid and the paraffin was remo...  
WO/2009/006267A2
The present invention provides N'-(2-halobenzylidene)sulfonylhydrazides of formula (I). Compounds of formula (I) are useful for the manufacture of 1-arylsulfonylindazole 5-HT6 ligands.  
WO/2009/005024A1
Disclosed is a method for producing a chiral amine, which is characterized in that an imine compound is subjected to a hydrogen transfer-type asymmetric reduction in the presence of an iridium (III) complex having a chiral proline amide ...  
WO/2008/117308A4
The present invention provides novel diazonaphthoquinonesulfonic acid bisphenol derivatives. More particularly, the present invention relates to photo restive coating comprising alkali-soluble resin, a photoactive compound and a surfacta...  
WO/2009/000748A1
Sulfuryl fluoride is reacted with a perfluoroalkene continuously, for example, under a pressure of up to 2 bars (abs), to form a sulfonyl fluoride or a sulfone. A preferred perfluoroalkene is hexafluoropropene which can be reacted with s...  
WO/2008/141179A1
The present invention pertains to products and processes relating to sulfonating molecules, including nucleic acids, amino acids, peptides, polypeptides, oligomers, polymers, and copolymers. The disclosed process allows for a uniform and...  
WO/2008/135198A2
The invention relates to a method for isolating concentrated paraffin sulfonic acids from reaction mixtures that are produced during the sulfoxidation of n-paraffins, from which a major part of the sulfuric acid and the paraffin was remo...  
WO/2008/117308A3
The present invention provides novel diazonaphthoquinonesulfonic acid bisphenol derivatives. More particularly, the present invention relates to photo restive coating comprising alkali-soluble resin, a photoactive compound and a surfacta...  
WO/2008/132154A1
A process for the preparation of N-isobutyl-N-(2-hydroxy-3-amino-4-phenylbutyl)-p-nitrobenzen esulfonylamide derivatives (I) in which a 1-benzyl-2-hydroxy-3-isobutylamine derivative (II) is reacted with a p-nitrophenylsulfonyl halide (II...  
WO/2008/123760A1
The present invention concerns a method for preparing a salt of ethanesulphonic acid 2-[N-nicotinamide] comprising at least one step wherein the triethylammonium salt of ethanesulphonic acid 2-[N-nicotinamide] is obtained. A specific emb...  
WO/2008/117308A2
The present invention provides novel diazonaphthoquinonesulfonic acid bisphenol derivatives. More particularly, the present invention relates to photo restive coating comprising alkali-soluble resin, a photoactive compound and a surfacta...  
WO/2008/111588A1
Disclosed is a method for efficiently producing difluoromethanebis(sulfonylfluoride). Specifically disclosed is a method for producing a compound (1) wherein a compound (2F) is fluorinated. The compound (2F) is obtained by reacting a com...  
WO/2008/111418A1
Disclosed is a method for producing trifluoromethanesulfonyl fluoride (CF3SO2F) by reacting trifluoromethanesulfonyl chloride (CF3SO2Cl) and a metal fluoride in the presence of water. This method for producing trifluoromethanesulfonyl fl...  
WO/2008/107463A2
A process to prepare solid form of magnesium salt of linear alkyl benzene sulphonic acid which comprises the step of neutralization of linear alkyl benzene sulphonic acids with a magnesium-based alkali in the presence of 3 to 28% water b...  
WO/2008/099727A1
Disclosed is a novel α-substituted acrylate derivative which is useful as a material for a polymer compound for photoresist compositions which is excellent in control of dissolution rate, while maintaining high transparency around 193 n...  
WO/2008/014313A3
Embodiments in accordance with the present invention are directed to providing processes for forming fluorinated-alkyl and particularly perfluorinated-alkyl sulfonamide substituted norbornene-type monomers.  
WO/2008/058902A3
The present invention concerns the use of dibutyl tin oxide for regioselective catalytic diol mono-tosylat ion at a concentration lower than 2 mol%. The present invention also concerns the use of a generic acetal compound of Formula (Ic)...  
WO/2008/084048A1
The present invention provides a method of preparing a sulfonyl ether comprising the steps of: v) reacting a sulfonic acid with an anhydride, under continuous vacuum distillation conditions, to form a carboxysulfonate; vi) reacting the c...  
WO/2007/085514A3
Method for producing L-methionine, D-methionine and/or any mixture of L-methionine and D-homoserine, by chemical conversion of L-homoserine or D-homoserine or corresponding mixtures of L-homoserine and D-homoserine, without going through...  
WO/2008/078589A1
[PROBLEMS] To provide a process for producing a labeled precursor which is useful for the production of an amino acid compound labeled with a radioactive fluorine. [MEANS FOR SOLVING PROBLEMS] In the reaction process for introducing a le...  
WO/2008/078609A1
Disclosed is a powder containing an α-sulfo fatty acid alkyl ester salt, which shows no deterioration in color during a concentration process and has reduced odor. Also disclosed is a process for producing a powder containing an α-sulf...  
WO/2008/078767A1
A process for producing vinylsulfonic acid which comprises the step of demetallizing a vinylsulfonic acid salt, wherein the degree of demetallization represented by the equation: degree of demetallization (%) = {(acid value after demetal...  
WO2007118335A9
The present invention relates to enantiomeric forms of hepoxilin analogs of Formula I-VIII, pharmaceutical compositions thereof, a method for the separation of said enantiomeric forms of hepoxilin analogs comprising applying said hepoxil...  
WO/2008/053037A3
Process for preparing an alkyl aryl sulphonic acid comprising the steps of : (a) contacting an alkyl aromatic hydrocarbon with a gaseous sulphonating agent to produce (i) a first liquid reaction product comprising an alkyl aryl sulphonic...  
WO/2008/064595A1
5-[(2R)-[2-[2-[2-(2,2,2-trifluoroethoxy)phenoxy]ethyl]amino] propyl]-2-methoxybenzenesulfonamide, a pharmaceutical composition containing the compound, and the synthesis method thereof. The compound has strong antagonism toward α1-adren...  
WO/2008/066126A1
[PROBLEMS] To provide an electrolyte for a proton conductive film for a fuel cell, in which any ion exchange group removal reaction is not caused by a parent electron substitution reaction occurring accompanied by proton attack during us...  
WO/2007/054139A3
Objects of the present invention are the compounds of formula (I) Their pharmaceutically acceptable salts, enantiomeric forms, diastereoisomers and racemates, the preparation of the above compounds, medicaments containing them and their ...  
WO/2008/061466A1
Disclosed are synthetic methods of formula (V) compounds: wherein R1-R7 are same or different and respectively selected from hydrogen and C1-4 alkyl; and n is an integer of 1-4. Said methods can be carried out as one-pot processes. Synth...  
WO/2008/058902A2
The present invention concerns the use of dibutyl tin oxide for regioselective catalytic diol mono-tosylat ion at a concentration lower than 2 mol%. The present invention also concerns the use of a generic acetal compound of Formula (Ic)...  
WO/2008/053037A2
Process for preparing an alkyl aryl sulphonic acid comprising the steps of : (a) contacting an alkyl aromatic hydrocarbon with a gaseous sulphonating agent to produce (i) a first liquid reaction product comprising an alkyl aryl sulphonic...  
WO/2007/086074A3
The invention discloses a process for the preparation of highly pure R (-)-5-(2-(2-(2-ethoxy phenoxy) ethylamine) propyl)-2-methoxy benzene sulfonamide hydrochloride used to treat symptoms of urinary difficulty. R-(-)-2-(4-methoxy phenyl...  
WO/2008/041713A1
Disclosed is a method for producing a compound having a fluorosulfonyl group (perfluoroethenesulfonyl fluoride: CF2=CFSO2F). Specifically disclosed is a method for producing CF2=CFSO2F, wherein a compound represented by the formula (1) b...  
WO/2008/037628A1
Compounds of formula (I) as well as pharmaceutically acceptable salts and esters thereof, wherein L, R1, R2, m and n have the meaning given in claim 1 and which can be used in the form of pharmaceutical compositions.  
WO/2008/039367A1
The present invention concerns methods of synthesis of trans-tert-butyl-2- aminocylcopentylcarbamate comprising contacting 6-tosyl-6-azabicyclo[3.1.0]hexane with TMSN3 and TBAF to produce 2-azido-N-tosylcyclopentananiine; reducing the 2-...  
WO/2008/009816A3
The invention relates to aromatic sulfinates and sulfonyl halides, and to the preparation thereof. The halides and the sulfinates are respectively of formulae Ar-Z- (CF2) n-CFRf-SO2Y (I) and [Ar-Z- (CF2) n-CFRf-SO2] m M wherein Z is a su...  
WO/2008/038640A1
Disclosed is a salt of trans-4-sulfinylamino-1-cyclohexanecarboxylic acid. Also disclosed is a method for producing a salt of trans-4-sulfinylamino-1-cyclohexanecarboxylic acid.  
WO/2008/035677A1
Disclosed are novel chlorofluorosulfonimides and methods for producing such chlorofluorosulfonimides. Specifically disclosed are a compound (1) represented by the following formula: [M]n+([RF-SO2-N-SO2-QF-Cl]-)n; a compound (2) represent...  
WO/2008/032463A1
Disclosed is a process for production of a sulfonic acid ester with high efficiency and in a high yield. The process comprises reacting a compound (a) having a sulfo group (-SO3H) with a compound (b) having a group represented by the gen...  
WO/2008/012433A3
The present invention relates to a process for preparing a sulphonic acid anhydride, and more particularly to the preparation of triflic anhydride. The process for preparing a sulphonic acid anhydride according to the invention is charac...  
WO/2008/030112A1
The invention relates to methods of preparing compounds of formula (II) wherein Z represents -OR1 or -N(R2)R2a-, where R1 is lower alkylene (C1-C6), R2 is lower alkyl or H and R2a is lower alkylene (C1-C6) or H;Q is absent when R2a is H ...  
WO2007010356A8
The invention relates to a process for the preparation of compounds of formula (I) wherein Q1 is a group selected from formulae (II) & (III) and a group *-NR6 -Q2-A or, if appropriate, their pharmaceutically acceptable salts and/or isome...  
WO/2007/119110A3
The invention relates, in general, to the preparation of (R)(-)tamsulosin free base by reaction of (R)-5-(2-aminopropyl)-2-methoxybenzenesulfonamide or an addition salt thereof with 1 -(2-bromoethoxy)-2-ethoxybenzene in a polar aprotic s...  

Matches 501 - 550 out of 9,553