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Patent Searching and Data


Matches 701 - 750 out of 9,497

Document Document Title
WO/2005/007865A1
Optically active &agr -methylcysteine derivative is efficiently produced from an inexpensive raw material. An optically active 2-amino-2-methyl-1,3-propanediol derivative monoester is produced by esterifying one of the hydroxyls of 2-ami...  
WO/2005/007612A1
A process for the production of optically active 1-(2-trifluoromethylphenyl)ethylamine or salts thereof which comprises reacting 1-(2-trifluoromethylphenyl)ethyl alcohol with a sulfonylating agent in the presence of a base to obtain a su...  
WO/2005/004803A2
The present invention is directed to compounds which are inhibitors of the beta-secretase enzyme and that are useful in the treatment of diseases in which the beta-secretase enzyme is involved, such as Alzheimer's disease. The invention ...  
WO/2005/003082A1
The invention provides a process for the production of fluorinated sulfonyl fluorides useful as the material of ion -exchange resins or the like and novel chemical substances useful as the intermediate in the process. Namely, a process w...  
WO/2005/003062A2
The invention aims at providing a process by which fluorinated sulfonyl fluorides having various molecular structures can be obtained efficiently and inexpensively with production problems solved. The invention provides a process which c...  
WO/2005/000797A1
The invention relates to a process for the preparation of a compound of formula (1) which comprises reaction of a compound of formula (II) with a compound of the formula (III) in the presence of a chlorinating agent, followed by reaction...  
WO/2004/113258A1
A process for the production of compounds represented by the general formula (I), salts of the same, or solvate thereof from compounds represented by the general formulae (II) and (III), salts of the same, or solvates thereof, comprising...  
WO/2004/113391A2
The present invention is directed to methods of preparation of sulfonate derivatized compounds, e.g., 3-amino-l-propanesulfonic acid and 1,3-propanedisulfonic acid disodium salt with increased purity, with reduced potential for toxic by-...  
WO/2004/110976A2
There is provided a process for the preparation of aromatic amines of Formula (1): where Rx is optionally substituted aryl and Ry is optionally substituted hydrocarbyl, which comprises: (a) reducing a compound of Formula (2): to give a c...  
WO/2004/108636A2
A radioisotope labeled reagent includes a compound having the general formula (I) where a in each occurrence independently is a carbon mass number between 11 and 14 inclusive, b in each occurrence independently is a hydrogen mass number ...  
WO/2004/101860A1
Disclosed is a solution for an electrochemical process, the solution containing a sulfonic acid and having a low concentration of sulfur compounds, either low or high valence, that are susceptible to reduction and which is intended for u...  
WO2004092096A3
The invention relates to a method for producing alkyl aromatic compounds by reacting C3-30 olefins or alcohols, from which C3-30 olefins are formed under the reaction conditions, with an aromatic hydrocarbon in the presence of an alkylat...  
WO/2004/096759A1
A method for producing a perfluoroalkanesulfonyl fluoride represented by the general formula: Rf-CF2-SO2F (wherein Rf represents F, CF3 or C2F5) is characterized in that a monohydroperfluoroalkanesulfonyl fluoride represented by the gene...  
WO2004087881A3
The present invention is directed to processes for the synthesis of intermediates useful in the preparation of non-nucleoside reverse transcriptase inhibitors.  
WO/2004/094366A1
The invention relates to a process for the preparation of a low-base number calcium sulfonate that is essentially chloride free. The process involves preparing a sulfonic acid solution by adding a solvent to a sulfonic acid, optionally r...  
WO2004085489A3  
WO/2004/094365A1
A method for producing a fluorine-containing sulfonyl fluoride compound which comprises oxidizing RB-E-RA-S-S-RA-E-RB to form XSO2-RA-E-RB (2), reacting the oxidation product with fluorine in a liquid phase to form FSO2-RAF-EF-RBF, and d...  
WO/2004/092096A2
The invention relates to a method for producing alkyl aromatic compounds by reacting C3-30 olefins or alcohols, from which C3-30 olefins are formed under the reaction conditions, with an aromatic hydrocarbon in the presence of an alkylat...  
WO/2004/087623A2
A process for the preparation of (R)(-) Tamsulosin hydrochloride [(R)(-)-5-[2-[[2-(o-ethoxy-phenoxy)ethyl]amino]-2-methylethy l]-2-methoxybenzenesulfonamide hydrochloride] of formula (III), The (R)(-) Tamsulosin hydrochloride of formula ...  
WO/2004/087881A2
The present invention is directed to processes for the synthesis of intermediates useful in the preparation of non-nucleoside reverse transcriptase inhibitors.  
WO/2004/085489A2
Disclosed herein is a process for preparing 4-(2-sulfoethylcyclohexane)-1,2 diol, at ambient condition and in the presence of a buffer and an initiator, from vinylcyclohexane-1,2-diol.  
WO/2004/083166A1
The invention provides processes by which (R)-3-[4- (trifluoromethyl)phenylamino]pentanamide derivatives useful as intermediates of drugs, particularly, cholesteryl ester transfer protein (CETP) inhibitor can be easily and simply produce...  
WO/2004/080974A1
Disclosed is an ionic liquid purification method for preparing high purity ionic liquids which can be used as solvents for organic, inorganic and biochemical reactions or as electrolytic solutions of storage batteries, secondary batterie...  
WO2003091207A3
This invention provides a method of preparing amine stereoisomers, which comprises stereoselectively reducing a sulfinylimine that bears on the sulfmyl group a residue of an alcohol, thiol or amine, or reacting a sulfmylimine stereoisome...  
WO2003084982A3
The present invention relates to improved covalent coupling of two or more entities such as biomolecules, polymer compositions, organic/inorganic molecules/materials, and the like, including their combinations, through one or more novel ...  
WO2004054960A8
The invention relates to a process for the preparation of acyloxybenzenesulfonates starting from carbonyl halides and salts of phenolsulfonic acid which have a low water content. Surprisingly, it was discovered that acyloxybenzenesulfona...  
WO2003049698A8
Compounds useful as inhibitors of cyclooxygenase-2 activity have the formulae (I) or (Ia) as defined herein. In addition, Figure 2 compares the growth inhibitory activity fo the Example 4 compound 4-bromobenzaldehyde-4-sulfamylphenylhydr...  
WO2004041399A3
Reagents and methods with low thermodynamic barriers can convert lower alkanes such as methane into methanol or other derivatives. One system uses a small quantity of a non-salt radical initiator such as Marshall's acid, a di-acid peroxi...  
WO2004013094A3
One aspect of the present invention relates to copper-catalyzed carbon-heteroatom and carbon-carbon bond-forming methods. In certain embodiments, the present invention relates to copper-catalyzed methods of forming a carbon-sulfur bond b...  
WO2003053918A3
The invention relates to a method for producing perfluoroalkane sulfonic acid esters and their subsequent conversion into salts, in addition to the use of the produced compounds in electrolytes and batteries, capacitors, supercapacitors ...  
WO/2004/069789A1
A solid acid or a composite solid strong acid comprising the solid acid and a carbon material which is prepared by subjecting a polycyclic aromatic hydrocarbon or a polycyclic aromatic hydrocarbon in combination with the carbon material ...  
WO/2004/067492A1
The invention relates to a method for the production of $g(b)-ketocarboxylic acid derivatives of formula (I) or the salts thereof, where X = NR', O or S, R, R', R1-R4 independently = H, alkyl, alkenyl, aryl or heteroaryl, by reaction of ...  
WO/2004/060857A1
A method is provided for making a perfluorinated vinyl ether having a sulfonyl fluoride end-group according to the formula FSO?2#191-(CF?2#191)?n#191-O-CF&equals CF?2#191, where n is 2-5, comprising the steps of: a) fluorination of: (PLE...  
WO/2004/060849A1
A method is provided for reacting hexafluoropropylene oxide (HFPO) with a perfluoroacyl fluorides according to the formula X-Rf-COF (II) to selectively produce a monoaddition product according to the formula X- Rf- CF2-O-CF(CF3)COF (I), ...  
WO/2004/058694A1
The invention relates to a process for the manufacture of optically pure (R) or (S)-5-(2-aminopropyl)-2-methoxybenzenesulfonamide with D-i.e. (2S, 3S) or L-i.e. (2R, 3R)-tartaric acid to form a mixture of diastereomeric salts, separating...  
WO/2004/058693A1
The present invention relates to a process for the production of alkanesulfonic acid. More particularly, the present invention relates to a process for the production of alkanesulfonic acid from alkyl mercaptan effluents generated in che...  
WO/2004/058695A1
A novel 4−halo−2−oxyimino−3−oxo butyric acid−N, N−dimethyl formiminium chloride chlorosulfate of formula (I) useful in the preparation of cephalosporin antibiotics, wherein X is chlorine or bromine&semi R is hydrogen, C1−...  
WO2003045878A8
2, omega -Diaminocarboxylic acid compounds of formula (I), where X, X<1>, Ar< OMEGA >, Ar<2> and Y are as defined in claim 1, and their use as herbicides, are described.  
WO/2004/054960A1
The invention relates to a process for the preparation of acyloxybenzenesulfonates starting from carbonyl halides and salts of phenolsulfonic acid which have a low water content. Surprisingly, it was discovered that acyloxybenzenesulfona...  
WO2003051841A3
Carbamates and related compounds of formula R1 R2NCO-Y or R1 R2NCS-Y wherein R1 and R2 are hydrogen, alkyl, aryl, heteroaryl or may together form a piperidine, piperazine, morpholine or other heterocyclic ring, are inhibitors of hormone ...  
WO/2004/050606A1
The present invention comprises the simultaneous ring opening and concomitan N-substitution of various N-tosyl aziridines with different aliphatic and aromatic nitriles in presence of catalytic amount of metal triflates to afford differe...  
WO2004035530A3
The invention relates to a method for producing alkylaryl sulfonates, the alkylaryl sulfonates obtained according to said method, alcohol mixtures and olefin mixtures obtained as intermediate products, alkylaromatic compounds obtained th...  
WO2003048116A3
The present invention relates to novel antidiabetic, hypolipidemic, antiobesity and hypocholesterolemic compounds of formula (I), their derivatives, their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their phar...  
WO2004016578A3
The present invention concerns compounds of formula (I) and salts, solvates, and physiologically functional derivatives thereof, wherein: R<1> is hydrogen or -XSO2NR<6>R<7>; R<2> and R<3> are independently selected from hydrogen, C1-6 al...  
WO2003051842A3
Carbamates and related compounds of formula R1R2NCO-Y or R1R2NCS-Y wherein R1 and R2 may form a ring, are inhibitors of hormone sensitive lipase and are useful for the treatment of any disorder where it is desirable to modulate the plasm...  
WO/2004/041399A2
Reagents and methods with low thermodynamic barriers can convert lower alkanes such as methane into methanol or other derivatives. One system uses a small quantity of a non-salt radical initiator such as Marshall's acid, a di-acid peroxi...  
WO/2004/039768A1
The invention relates to a method for producing phenyliso(thio)cyanates of general formula (I) according to which a compound of general formula (II) or the HCl adduct thereof is reacted with a phosgenating agent, wherein W represents oxy...  
WO2004029006A3
The invention provides a process for preparation of a fluorohaloalkane, preferably an [<18>F]fluorohaloalkane of formula (I) wherein X is halo and n is an integer of from 1 to 6; which comprises: reaction of the corresponding organosilic...  
WO2003051894A8
Provided is a method for preparation of non-halide based ionic liquids, comprising reacting a halide salt of an organic cation with a Bronsted acid in the presence of an alcohol or alkene or alkyne. The non-halide based ionic liquid prod...  
WO2003091228A3
The invention relates to a method for producing a compound of formula (I) or the salts thereof. In formula (I), Q, X*, Y, Z, R, R<1>, R<2> and R<3> are defined as in patent claim 1, and in (Ia), (II): (R* = Hal, R** = Hal), (III): (R* = ...  

Matches 701 - 750 out of 9,497