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WO/2001/070658A1 |
A process for preparing a 1,3-diol by hydrogenating a feed comprising a 3-hydroxyaldehyde in the presence of a catalyst and a hydrogen source, wherein syngas is used as hydrogen source, and the catalyst is a heterogeneous catalyst compri...
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WO/2001/068247A2 |
This invention relates to a process for separating one or more products from a reaction product fluid comprising a metal-organophosphorus ligand complex catalyst, optionally free organophosphorus ligand, said one or more products, one or...
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WO/2001/068250A2 |
This invention relates to a process for separating one or more organophosphorus ligand degradation products, one or more reaction byproducts and one or more products from a continuously generated reaction product fluid comprising one or ...
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WO/2001/068249A2 |
This invention relates to a process for separating one or moer organophosphorus ligand degradation products, one or more reaction byproducts and one or more products from a continuously generated reaction product fluid comprising one or ...
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WO/2001/058844A2 |
The invention relates to a method for processing a liquid discharge of a continuous hydroformylation that substantially contains aldehydes, high-boiling by-products, a homogeneously dissolved hydroformylation catalyst, non-reacted olefin...
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WO/2001/056962A1 |
Perfluoroisopropylbenzene derivatives of the general formula (I) or salts thereof, useful as intermediates or raw materials in the synthesis of various industrial materials including agricultural chemicals, drugs and surfactants, wherein...
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WO/2001/055066A2 |
Compounds of general formula (I) wherein the substituents are as defined in claim 1 are suitable for use as herbicides.
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WO/2001/053241A1 |
A method is provided for catalytically transforming a functional group within a first reactant by reaction with a second reactant in the presence of a nonmetallic, organic catalyst composition composed of a heteroatom-containing activato...
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WO/2001/053269A1 |
Acid addition salts of imidazolidinones are provided as catalysts for transforming a functional group within a first reactant by reaction with a second reactant. Exemplary first reactants are $g(a),$g(b)-unsaturated carbonyl compounds su...
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WO/2001/053243A1 |
3-(3-Methyl-4-hydroxyphenyl)-3-methylbutyraldehyde can be prepared from 3-(3-methyl-4-hydroxyphenyl)-3-methylbutyric acid via the conversion of carboxyl into formyl, and this aldehyde can industrially efficiently give N-[N-[3-(3-methyl-4...
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WO/2001/051451A2 |
The present invention provides a method for preparing betulin-3-acetate including alcoholyzing betulin 3,28-dibenzoate; a process for preparing betulin-3-acetate including: (1) acylating betulin to provide betulin 3,28-dibenzoate and (2)...
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WO/2001/051453A1 |
Methods of making and using racemic and optically pure metabolites of sibutramine, and pharmaceutically acceptable salts, solvates, and clathrates thereof, are disclosed. Pharmaceutical compositions and dosage forms are also disclosed wh...
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WO/2001/049643A1 |
Hydroxybutyraldehyde is formed by hydroformylation of allyl alcohol using a catalyst comprised of a rhodium complex and a ligand such as DIOP, the concentration of CO in the reaction liquid is maintained above about 4.5 mg.mols/liter.
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WO/2001/047854A1 |
The invention relates to a method for the distillative separation of formaldehyde, from reaction mixtures containing a hydroxymethylated alkanal, said mixture being obtained from the reaction of formaldehyde with an alkanal, which compri...
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WO/2001/037629A2 |
The invention relates to a microporous material formed by oxygen, silicon, germanium, aluminum, boron, gallium, zirconium and/or titanium known as TIQ-6, to a method for preparing said material and to its applications as catalyst in oxid...
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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...
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WO/2001/036356A2 |
The invention relates to a method for producing a C¿13? alcohol mixture, according to which a) a stream of C¿4? hydrocarbon containing butenes, which includes less than 5 % by weight of iso-butene in relation to the butene fraction, is...
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WO/2001/036361A1 |
According to the inventive method, the hydroformylation of the olefinically unsaturated compounds is carried out in the presence of an aqueous, water-soluble catalyst solution containing rhodium complex compounds, in a reaction column.
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WO/2001/032301A1 |
The invention relates to a method for the continuous gas phase oxidation of C¿3?- and C¿4?-precursors to (meth)acrolein and/or (meth)acrylic acid in the presence of a catalyst, in a reactor. Said reactor has a feed element for the reac...
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WO/2001/028968A1 |
In a method for selectively obtaining $g(a)-alkyl cinamaldehydes, more particularly jasminaldehyde, by direct reaction of n-alkyl aldehydes and benzaldehyde or an aromatic ring-substituted benzaldehyde, heterogeneous acid catalysts are u...
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WO/2001/027142A1 |
3-(3-Hydroxy-4-methoxyphenyl)-3-methylbutyl aldehyde is produced by a reaction whereby the carboxyl group in 3-(3-hydroxy-4-methoxyphenyl)-3-methylbutyric acid, which can be obtained by reacting a 2-halogenoanisole with 3-methylcrotonic ...
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WO/2001/027061A1 |
The invention relates to a continuous method for production of cinnamaldehyde or cinnamaldehyde derivatives comprising continuous reaction of benzaldehyde derivatives with alkanals in the presence of bases and, optionally, as the final s...
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WO/2001/027068A1 |
The present invention relates to compounds of formula (I) and to their pharmaceutically acceptable salts. Compounds of formula (I) exhibit activity as serotonin, norepinephrine, and dopanine reuptake inhibitors and can be used in the tre...
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WO/2001/023340A1 |
A method of preparing 2-chloropropionaldehyde at a high yield from propionaldehyde and chlorine by a simple procedure of continuously or intermittently supplying a mixture of an equivalent mol of these two compounds to the reactor and re...
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WO/2001/021566A1 |
An oxidation catalyst for lower alcohols which makes it possible to convert lower alcohols such as methanol into partial oxidates such as dimethoxymethane selectively and efficiently through direct oxidation of the alcohols; and a proces...
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WO/2001/021567A2 |
A hydroformylation process is disclosed which employs multidentate phosphite ligands in a catalyst composition. In particular, the ligands have heteroatom-containing substituents on the carbon attached to the ortho position of the termin...
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WO/2001/021308A1 |
A composition and a process for using the composition in hydroformylation of unsaturated organic compounds are disclosed. The composition comprises a Group VIII metal and a phosphite-containing polymer having repeat units derived from (1...
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WO/2001/021627A1 |
A process for hydroformylating acyclic monoethylenically unsaturated compounds to corresponding terminal aldehydes using a Group VIII transition metal and selected multidentate phosphite ligands.
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WO/2001/019766A1 |
The invention concerns a semi-continuous method for preparing acid chlorides and benzene aldehydes which consists in: producing in a reactor a starter comprising for the major part a dichloromethylated benzene compound; simultaneously an...
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WO/2001/016237A2 |
The invention relates to a method for the continuous production of glutaraldehyde by reacting an alkoxydihydropyrane of general formula (I), wherein R represents C¿1?-C¿20? alkyl, with water at a temperature in the range of from 0 °C ...
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WO/2001/011111A1 |
A method for producing compounds which are oxidized in an alpha position by electrochemical reaction with alcohol in the presence of an auxiliary electrolyte and catalytic amounts of a metal salt.
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WO/2001/010385A2 |
This invention relates to compounds of Formula (I) where Z is an amine, alcohol or derivative thereof, and the ketone analog thereof.
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WO/2001/009073A1 |
3-Hydroxypropanal is prepared by reacting acrolein with water in the presence of an ion exchange resin using carboxylic acid in the reaction mixture.
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WO/2001/009147A1 |
The invention relates to novel chiral phosphorus ligands that can be easily produced on the basis of chinoline derivatives which represent inexpensive starting materials. The novel compounds have the general formula (I), wherein R?1¿, R...
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WO/2001/007382A2 |
This invention relates to a process for separating one or more cyclic products from a reaction product fluid comprising one or more cyclic reactants, a metal-organophosphorus ligand complex catalyst, optionally free organophosphorus liga...
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WO/2001/005736A1 |
A process for preparing 2-substituted-1,1-cyclo-hexanedimethanols which essentially comprises the step of preparing a 1-hydroxymethyl-3-cyclohexene-1-carbaldehyde compound by the Diels-Alder reaction of a $g(b)-substituted-$g(a),$g(b)-un...
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WO/2001/004078A1 |
Compositions and methods are provided for attracting and subsequently trapping and/or killing adults of the Asian longhorned beetle, Anoplophora glabripennis, or interfering with their reproduction. The aggrgation pheromones, 4-(n-heptyl...
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WO/2001/004105A1 |
The invention concerns novel methods for preparing enantiopure compounds of formula (I) wherein X represents a halogen atom, its additive salts with mineral or organic acids, or its salts with optically active organic acids. The inventio...
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WO/2001/002333A1 |
A process for preparing a benzyloxyacetaldehyde compound represented by formula (III): wherein R?1¿ is hydrogen atom or methoxy group, comprising oxidizing a 2-benzyloxyethanol compound represented by formula (I): wherein R?1¿ is the s...
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WO/2001/000553A1 |
The subject of the invention are isomerically pure tetradeca-8,10-dienals, the synthetic preparation thereof and their use as sex attractants for leafminers of the genus Gracillariidae (Lepidotpera, Insecta), in particular the means of p...
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WO/2000/073252A1 |
6-Hydroxy-2-naphthylcarbinol of structural formula (I), useful as the intermediate for the preparation of 6-hydroxy-2-naphthaldehyde; and a process for the preparation of 6-hydroxy-2-naphthylcarbinol, which comprises the step of reducing...
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WO/2000/069777A1 |
In a method of performing a chemical reaction using a Lewis acid, after the reaction is complete, the Lewis acid is extracted from the reaction product in the form of an aqueous solution, followed by drying of the aqueous solution of the...
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WO/2000/068175A1 |
The invention relates to a method for preparing formaldehyde and simultaneously generating power or mechanical work using gas engines. The invention is characterized in that pressure fluctuations in the lean gas from a catalytic formalde...
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WO/2000/068173A1 |
A process for efficiently producing highly pure tetrafluorobenzenemethanols, tetrafluorobenzenecarbaldehyde dialkyl acetals and tetrafluorobenzenecarbaldehydes, which are useful as, for example, intermediates in the production of cyclopr...
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WO/2000/066526A1 |
The invention relates to a method for producing aldehydes by reacting monoolefins, conjugated and non-conjugated polyolefins, cycloolefins or derivatives of these classes of compounds with carbon monoxide and hydrogen (hydroformylation) ...
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WO/2000/066524A1 |
A D-mannitol derivative selected from the group consisting of a compound of formula (I) pharmaceutically acceptable derivatives thereof and where applicable or appropriate pharmaceutically acceptable salts thereof, wherein R¿1?, R¿2?, ...
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WO/2000/064555A2 |
A process for extracting a compound or composition of matter from a raw material containing that compound or composition as a constituent part is described. The process comprises the steps of (1) contacting the raw material with an extra...
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WO/2000/059857A1 |
A process for the preparation of benzyloxyacetaldehyde, characterized by oxidizing 2-benzyloxyethanol with hypochlorous acid in the presence of a nitroxide radical represented by general formula (I) wherein R is hydrogen, acyloxy, alkoxy...
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WO/2000/059864A1 |
The invention concerns compounds inhibiting LTA¿4? hydrolase of formula (I). The invention also concerns their therapeutic, in particular anti-inflammatory, applications.
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WO/2000/058260A1 |
Compounds of Formula (I), in which the dotted lines indicate the position of single or double bonds, R¿1? represents a radical belonging to a fragrant alcohol of the formula R¿1?OH, X represents a nucleophilic group selected from the g...
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