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WO/1997/005095A1 |
A process for the hydrogenation of imines with hydrogen under elevated pressure in the presence of iridium catalysts containing diphosphine ligands, with or without an inert solvent, the reaction mixture containing a soluble ammonium chl...
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WO/1997/003954A1 |
Disclosed is a process for producing tetra(3-alkylthiopropionate) esters of pentaerythritol, wherein each alkyl portion contains 4 to 20 carbon atoms, wherein pentaerythritol and one or more lower alkyl, e.g. methyl, 3-alkylthiopropionat...
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WO/1997/003033A1 |
A process for preparing an aldehyde or ketone comprising reacting a primary or secondary alcohol with oxygen in the presence of a base, a catalytic amount of a copper salt and a suitable lignad under anhydrous conditions.
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WO/1997/000858A1 |
A process for the continuous preparation of 3-(methylthio)propanal. A liquid reaction medium is contacted with a gaseous acrolein feed stream in a gas/liquid contact zone. The reaction medium contains 3-(methylthio)propanal and a catalys...
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WO/1997/000308A1 |
A heat-resistant lubricating oil composition prepared by mixing a lube base oil comprising an organic acid ester or a mixture thereof with polyphenyl ether or organopolysiloxane with 0.05 to 10 wt.% of a polyphenyl thio ether of general ...
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WO/1996/040693A1 |
The present invention is directed to novel vinyl sulfenic acid derivatives, and to a new process for the synthesis of novel vinyl sulfenic acid derivatives. These compounds are useful for the synthesis of benzo[b]thiophenes, in particula...
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WO/1996/040630A1 |
A continuous process for the preparation of 2-hydroxy-4-methylthiobutanoic acid or a salt thereof which includes introducing an aqueous mineral acid into a nitrile hydrolysis reactor including a continuous stirred tank reactor and introd...
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WO/1996/040631A1 |
Catalytic processes for the preparation of 3-(methylthio)propanal and 2-hydroxy-4-(methylthio)butanenitrile using novel addition catalysts are disclosed. The novel addition catalysts include: triisopropanolamine, nicotinamide, imidazole,...
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WO/1996/038601A1 |
Thioethers having the formula (I) R1-S-R2 are obtained, wherein R1 is optionally substituted C2-C5 alkyl, substituted phenyl, phenyl(haloalkyl C1-C4), -CH2-COOR3, R3 is H or a cation, haloformylalkyl or haloformylaryl, and R2 is -(CH2)n-...
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WO/1996/036610A1 |
A 1-pot process for preparing 10b-methyl-3-oxo-benzo[f]quinolines.
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WO/1996/033167A1 |
A process for preparing an aromatic or heteroaromatic sulfonyl halide of the general formula (3): Ar-(-SO2Y)n by halogenating an aromatic or heteroaromatic methyl sulfide of the general formula (1): Ar-(-SCH3-mXm)n or an aromatic or hete...
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WO/1996/026185A1 |
A reagent comprising a compound of formula (I): Rf-M(X)(Z)n-Y-R, wherein R is a hydrocarbon radical advantageously having at most 10 carbon atoms and being selected from alkyls and aryls; Rf is a radical of formula (II): R1-(C'XI'2)m-CF2...
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WO/1996/023754A1 |
This invention relates to a method for preparing difluoromethyl ethers, thiols and amines without using chlorofluorocarbon gases. The intermediates prepared by this method can be used to make certain compounds which act as PDE IV inhibit...
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WO/1996/023756A1 |
Processes for efficiently producing 'alpha'-halo ketones, 'alpha'-halohydrins and epoxides on an industrial scale. The processes include one for producing an 'alpha'-halo ketone of general formula (3) by decarboxylating a product of reac...
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WO/1996/022998A1 |
Compounds of formula (I) wherein R, R1, R2, R3, R4, m and n have the meanings reported in the description, processes for their preparation and pharmaceutical compositions which contain them as active ingredients are described. The compou...
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WO/1996/022972A1 |
The invention relates to a new process for preparing alkyl sulfide substituted hydroquinones according to formula (IV), wherein alkyl sulfide substituted quinones according to formula (III) are prepared first, and alkyl sulfide substitut...
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WO/1996/022987A1 |
The present invention provides a novel process for the preparation of 1,1-cyclopropanedimethanonl cyclic sulfite which comprises: (a) contacting 1,1-cyclopropanedimethanol with dialkylsulfite in the presence of a base; and (b) removing f...
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WO/1996/021354A1 |
Pesticidal as a pesticide against whitefly, Lepidoptera and certain fungi is provided of compound of general formula (I) or a salt thereof is provided, in which n represents an integer from 0 to 4; m represents an integer 0 or 1; each R ...
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WO/1996/021452A1 |
This invention relates to certain 5-(optionally substituted aryl or heteroaryl)-4-(optionally substituted heteroaryl)-1-(optionally substituted heterocyclyl or heterocyclylalkyl) or 1- optionally substituted alkyl or alkenyl -imidazoles ...
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WO/1996/020232A1 |
A process to make an allyl ether, allyl thioether or allyl amine comprising the step of reacting an active-hydrogen-containing compound containing at least one hydroxyl, thiol, ester or amine group with a compound containing an allyl car...
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WO/1996/020233A1 |
Epoxy-containing compounds are prepared by: (1) providing an allyl reagent; (2) allylating one or more compounds containing at least one active-hydrogen atom per molecule using the allyl reagent from step (1), whereby an allyl ether, all...
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WO/1996/019442A1 |
A benzamidoxime derivative having an excellent bactericidal activity, being useful as an agrohorticultural bactericide, and represented by general formula (I) wherein R1 represents C1-C4 alkyl, C2-C4 alkenyl or C2-C4 alkynyl, each of whi...
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WO/1996/019448A1 |
A process for producing a bis(4-alkylthiophenyl) disulfide comprising: (a) directly reducing a 4-alkylthiobenzenesulfonyl chloride or (b) reducing a 4-alkylthiobenzenesulfonyl chloride and oxidizing the obtained 4-alkylthiobenzenethiol, ...
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WO/1996/016034A1 |
A process for producing an aromatic or heteroaromatic thiol represented by the following general formula (2): Ar-(-SH)n by hydrolyzing an aromatic or heteroaromatic halomethyl sulfide represented by the following general formula (1): Ar-...
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WO/1996/011907A1 |
Method of enhancing the water solubility of dry zinc and/or manganese methionine complex salts by reacting a water soluble zinc and/or manganese salt with methionine in the presence of ferric ion with the amount being between at least 15...
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WO/1996/011906A1 |
The invention relates to a process for the preparation of substituted 3-aminobenzonitriles of formula (I) in which: R is hydrogen or C1-C12alkyl, C3-C8cycloalkyl, COR1, C1-C8alkoxyalkyl, C1-C6hydroxyalkyl, C1-C8aminoalkyl, C1-C8alkyl-NH(...
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WO/1996/008458A1 |
This invention provides a unique method of producing 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane ("BPTMC"). The disclosed method manufactures BPTMC from ketals and hemithioketals of 3,3,5-trimethylcyclohexanone ("TMC"). The reac...
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WO/1996/005173A1 |
Known processes for producing 2-hydroxy-4-methylthiobutyric acid (MHA) use a liquid-liquid extraction or a combined liquid/liquid and solid/liquid phase separation to isolate MHA from a reaction mixture produced by hydrolysing MMP-cyanhy...
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WO/1996/005277A1 |
An ester-containing reaction product of a carbonyl compound, preferably an acyl halide and a thiodiphenol has high temperature antioxidant properties. The reaction product is useful as a synthetic lubricant base fluid or as an antioxidan...
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WO/1996/004356A1 |
A process is described wherein olefins or acetylenic compounds are reacted with sulfurised intermediates to produce nitrile seal compatible additives. Olefin or acetylenic compound reaction with sulfurised compounds e.g. sulfurised pheno...
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WO/1996/002491A1 |
Photoreactive compounds are synthesized from 2,5- or 2,6-dinitrobenzyl groups. Also disclosed are methods of synthesizing reactive monomers containing 2,5- or 2,6-dinitrobenzyl groups.
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WO/1996/001810A1 |
A process for the continuous preparation of 3-(methylthio)propanal. A liquid reaction medium is contacted with a gaseous acrolein feed stream in a gas/liquid contact zone. The reaction medium contains 3-(methylthio)propanal, methyl merca...
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WO/1996/001809A1 |
It is known to isolate MHA from a reaction mixture obtained by the addition of hydrocyanic acid (HCN) to methyl mercaptopropionic aldehyde (MMP) and the hydrolysis of the methyl mercapto propionic aldehyde cyanohydrine (MMP-CH) obtained ...
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WO/1996/001808A1 |
Process for producing ammonium-2-hydroxy-4-(methylthio)-butyrate, mixtures containing the same in liquid form and their use. Processes are known for producing ammonium-2-hydroxy-4-methylthio-n-butyrate (MHHAS) by treating 2-hydroxy-4-met...
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WO/1995/030672A1 |
Novel N-sulfinyl-2-carboxyaziridine compounds and novel N-hydrogen-2-hydroxymethylaziridine compounds are provided. The asymmetric synthesis of N-sulfinylaziridines is readily accomplished in high diastereomeric purity and good yield by ...
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WO/1995/028384A1 |
The invention provides for diazo-phenanthrenone compounds, pharmaceutical compositions containing these compounds, and methods for using these compounds to inhibit steroid 5-'alpha' reductase. The invention also provides processes for pr...
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WO/1995/027696A1 |
Described are preferred processes which produce methyl mercaptan from methyl bromide and aqueous mediums of metal hydrosulfide. The processes can be used to simultaneously consume methyl bromide byproduct and aqueous NaSH byproduct while...
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WO/1995/026334A1 |
Substituted azetidinone hypocholesterolemic agents of formula (I) or a pharmaceutically acceptable salt thereof, wherein: Ar1 is R3-substituted aryl; Ar2 is R4-substituted aryl; Ar3 is R5-substituted aryl; Y and Z are independently -CH2-...
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WO/1995/026345A1 |
The invention concerns 3-aryl-4-hydroxy-'DELTA'3-dihydrothiophenone derivatives of the formula (I) in which A, B, G, S, X, Y, Z and n are as defined in the description, methods of preparing them, intermediates used in their preparation a...
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WO/1995/025089A1 |
A process for producing an alkali metal salt of an arylmercaptan compound represented by general formula (3), by the reaction of a disulfide compound represented by general formula (1) with a hydroxide of an alkali metal M1 in the presen...
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WO/1995/023134A1 |
Arylthiobenzonitrile compounds of formula (I) wherein, R is hydrogen, nitro, trifluoromethyl, halogen, carboxy, C1-4 carboxyamido, nitrile, C1-4 alkanoyl, C1-4 alkylsulfonyl, C1-4 alkylsulfinyl, trifluoromethylsulfonyl, trifluoromethylsu...
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WO/1995/023133A1 |
Arylthiobenzonitrile compounds of formula (I) wherein: R is hydrogen, C1-4 alkyl, C1-4 alkoxy, hydroxyl, mercapto, NR1aR2a or SR1a (wherein R1a and R2a, which may be the same or different are, hydrogen, C1-4 alkyl or phenyl C1-4 alkyl); ...
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WO/1995/020561A1 |
A new process for preparing aryl-substituted aliphatic carboxylic acids is provided. Aryl-substituted aliphatic ether or thioether compound is reacted with carbon monoxide in aqueous conditions at a temperature between 25 �C and 200 ï¿...
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WO/1995/016786A1 |
Process for the preparation of a threo-phenylserine amide of general formula (2) in which glycine amide is contacted with the corresponding substituted benzaldehyde of formula (3) in an excess relative to the amount of glycine amide, thi...
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WO/1995/013700A2 |
A process for the fungicidal treatment of vines by application of a formulation containing a 2-amino-4-methylmercaptobutyric acid-copper complex compound having formula (I) and the use of said compound as fungicide in viticulture. Includ...
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WO/1995/009841A1 |
Compounds of formula (I), wherein: R1 represents hydrogen or a (C1-C6)alkyl, (C1-C6)alkoxycarbonyl(C1-C6)alkyl, phenyl, substituted phenyl, phenyl (C1-C6)alkyl, heterocyclyl, (C1-C6)alkylcarbonyl, phenacyl or substituted phenacyl group; ...
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WO/1995/007885A1 |
Compounds of formula (I), wherein R is a hydrogen atom or an OY group; R1 is a hydrogen atom or an OY' group; R2 is a hydrogen atom or an OY'' group; provided that at least one among R, R1 and R2 is hydrogen but R, R1 and R2 are not cont...
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WO/1995/004716A1 |
The invention relates to oxime derivatives of formula (I) whereinR1 is alkyl, haloalkyl or optionally substituted cycloalkyl; R2 is optionally halogen-substituted alkyl, alkenyl or alkynyl; alkyl substituted by -OR6; a group selected fro...
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WO/1995/003033A1 |
An osmotic device that, following the imbibement of water vapor, provides for the controlled release of a beneficial agent to an aqueous environment. The device comprises a hydrophilic formulation including a beneficial agent, and if nee...
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WO/1995/002591A1 |
This invention relates to a novel group of imidazole compounds, processes for the preparation thereof, the use thereof in treating cytokine mediated diseases, and pharmaceutical compositions for use in such therapy.
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