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Matches 201 - 250 out of 1,703

Document Document Title
WO/2004/078679A2
This invention relates to a process for conducting equilibrium-limited reactions, such as esterification and alcoholysis reactions, that uses two reaction zones. The first reaction zone operates under reaction conditions that retain at l...  
WO/2004/050585A1
Process for catalytically hydrogenating carbon-heteroatom double bonds, in particular for asymmetrically catalytically hydrogenating simple ketones, which includes the step of reacting the substrate with hydrogen in the presence of a hyd...  
WO/2004/043890A2
The invention relates to a catalyst containing from 0.1 to 20 mass % rhenium and 0.05 to 10 mass % platinum in relation to the total mass thereof. The inventive method for producing a support for said catalyst consists in a) treating a s...  
WO/2004/024737A1
The invention relates to a method for binding heteroatom-carbon bonds. According to said method, a lithium compound (II) is first generated by reacting aliphatic or aromatic halogen compounds (I) with lithium metal, said compound is then...  
WO/2004/013076A1
A process for preparing an allyl ether including reacting (a) a phenolic compound with (b) an allyl carboxylate or an allyl carbonate in the presence of (c) a transition metal or rare earth metal catalyst complexed with at least one stro...  
WO/2004/007369A1
The invention relates to a method for concentrating an at least partially crystalline solid containing at least one zeolite in a mixture, said mixture containing at least one auxiliary agent, for example a template compound, and the cite...  
WO/2003/101925A1
There is provided a process for producing an aromatic compound by Friedel-Crafts reaction product, which comprises reacting an aromatic compound with an ester compound in the presence of a heteropolyacid-containing solid acid catalyst.  
WO/2003/097626A1
A process for the isolation of substantially pure ascorbyl-6-fatty acid ester from the products obtained by the sulphuric acid-catalyzed esterification of ascorbic acid with fatty acids comprises extracting with diethyl ketone such react...  
WO/2003/074421A1
A titanosilicate represented by the following compositional formula (1), wherein in the infrared absorption spectrum measured in the dehydrated state, the absorption spectrum has an absorption band having a relative maximum value at 930┬...  
WO/2003/068719A2
A process for producing oxygenated products includes reacting an olefin feedstock with carbon monoxide and hydrogen at an elevated reaction temperature and at a superatmospheric reaction pressure in the presence of a hydroformylation cat...  
WO/2003/068786A1
A bicyclic tertiary phosphine compound in accordance with the invention has two cyclic structures and a ligating phosphorus atom. The ligating phosphorus atom forms part of the largest ring structure of the molecule, and fewer than two h...  
WO/2003/060852A2
An osmiumÔłĺassisted process for the oxidative cleavage of oxidizable organic compounds such as unsaturated organic coumpounds, including alkenes and olefins into aldehydes, carboxylic acids, esters, or ketones. The process uses a metal ...  
WO/2003/053885A1
The invention concerns a method for generating a carbon-carbon or carbon-heteroatom linkage by reacting an unsaturated compound bearing a leaving group and a nucleophilic compound. The invention also concerns generating a carbon-nitrogen...  
WO/2003/053900A1
The invention relates to a method for producing 1,2-diarylethanones by reacting an arylacetonitrile with an aromatic compound and by hydrolysing the ketimine compound that has been formed, at least one dialkyl ether of a monoalkylene or ...  
WO/2003/047748A1
A supported catalyst comprising one or more metal oxides as active components on a catalyst support for carrying out an aldol condensation is disclosed. The catalyst support is $g(g) aluminium oxide, the active component is one or more o...  
WO/2003/043937A2
To control the pressure generated by the decomposition of quaternary ammonium hydroxides during the crystallization of molecular sieve materials at elevated temperatures, to levels below the mechanical limits of the equipment, the presen...  
WO/2003/042101A2
The present invention is directed towards methods for the cost-effective commercial manufacture of small crystal titanium-silicate molecular sieve products, toward a novel titano-silicate molecular sieve composition synthesized thereby, ...  
WO/2003/040159A2
Bidentate ligand of formula (I), R1R2M1-R-M2R3R4 wherein M1 and M2 each indenpendently represent P, As or Sb; R1, R2, R3 and R4 each independently represent the same or a different optionally substituted organic group and at least one of...  
WO/2003/037839A2
The invention concerns a method for decomposition of organic hydroperoxides, in the presence of a catalyst. It provides a method for decomposition of organic hydroperoxides in the presence of a catalyst in an alcohol and ketone mixture w...  
WO/2003/028883A1
Disclosed is a catalyst composition based on an indium salt and an organic ionic liquid, a process for making the catalyst composition, and uses thereof. The catalyst composition is particularly suitable for Lewis acid catalysed electrop...  
WO/2003/028882A1
According to one aspect of the invention, there is provided a process in which a zeolite acts as a catalyst and/or catalyst precursor, carried out in a reaction medium comprising an organic ionic liquid medium, for example an acylation, ...  
WO/2003/024981A2
Optically-active compounds containing hydroxy groups are advantageously produced from a carbonyl compound with hydrogen in the presence of a catalyst and a base, whereby a catalyst is used which contains a support-bonded Ru (II) complex,...  
WO/2003/018191A1
A zeolite-immobilised Lewis acid e.g. copper catalyst for performing carbonyl-ene and iminoene reactions is described. The catalyst can readily be separated from the reaction mixture and re-used in further reactions with minimal reductio...  
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/2003/004447A2
The invention relates to a method for catalytically oxidizing unsaturated hydrocarbons to form oxidation products, and to the production of saturated alcohols, ketones, aldehydes or carboxylic acids by subsequently hydrogenating the oxid...  
WO/2002/102742A2
The invention relates to a method for the catalytic oxidative separation, in the presence of a radical initiator, of cyclic hydrocarbons and heterocyclic compounds using an acidic compound as the co-catalyst and simultaneously using a ca...  
WO/2002/100803A2
The invention relates to a method for telomerizing non-cyclic olefins with at least two conjugated double bonds (I) or mixtures, which contain olefins of this type, with nucleophiles (II), whereby a palladium carbene complex is used as a...  
WO/2002/100802A2
A method of reacting a first compound to produce a second compound includes the step of contacting a first non-fluorous phase including the first compound with a first fluorous phase at a first phase interface. The first compound distrib...  
WO/2002/098825A2
A process for stabilizing a fluorophosphite ligand in a hydroformylation reaction mixture having an &agr -olefin, hydrogen, carbon monoxide and a catalyst composition having a combination of a rhodium containing compound and one or more ...  
WO/2002/096890A2
A method of coupling an alcohol group of an organic compound to a multidentate nucleophilic compound, which method comprises adding to a reaction vessel containing an activating agent, said nucleophilic compound, said alcohol and a trisu...  
WO/2002/096849A1
The invention relates to a method for the catalytic oxidation of alkyl-aromatic compounds of formula (I): Ar-C(H)┬┐n?-R, to obtain the corresponding aromatic aldehydes and ketones. In said formula, Ar represents an optionally substituted...  
WO/2002/094740A2
Disclosed are heterogeneous processes (i) for the hydrogenation of a compound containing at least one unsaturated carbon-carbon bond, and (ii) for the hydro-dehalogenation of a compound containing at least one C-Cl, C-Br or C-l bond. The...  
WO/2002/090309A1
The invention relates to a method for oxidising hydrocarbons, particularly branched or non-branched saturated aliphatic hydrocarbons, cycloaliphatic or alkyl aromatic hydrocarbons, into alcohol, ketone and/or acid, polyacid compounds. Mo...  
WO/2002/085838A1
The present invention relaters 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-nitrogen bond between the ...  
WO/2002/083605A1
A continuous hydroformylation process for forming an aldehyde comprising: A) reacting an olefinically unsaturated compound containing from 6 to 30 carbon atoms, carbon monoxide, hydrogen, and a rhodium-bisphosphite ligand complex catalys...  
WO/2002/083604A1
A continuous hydroformylation process for producing an aldehyde comprising 1) reacting an olefinically unsaturated compound, carbon monoxide and hydrogen in the presence of a rhodium-organobisphosphite complex catalyst at a partial press...  
WO/2002/076997A1
Non-chiral and in particular optically active alcohols are produced from a carbonyl compound using hydrogen in the presence of a catalyst, a base and optionally a diamine. The method is advantageous if a catalyst containing both a suppor...  
WO/2002/072518A2
The invention relates to a method for producing monocarbonyl compounds or biscarbonyl compounds or hydroxyl compounds by ozonizing unsaturated organic carbon compounds that, per molecule, have one or more olefinic or aromatic double bond...  
WO/2002/066425A2
Compositions and methods are described for hydrating terminal alkynes catalytically in anti-Markovnikov fashion. The compositions comprise a transition metal complex including at least one organic ligand having at least two heteroatoms, ...  
WO/2002/057208A1
Disclosed is a process for making alkoxylates of organic compounds. The process requires a) providing an active hydrogen organic compound having 1 to 22 carbon atoms and b) alkoxylating the organic compound with an alkylene oxide in the ...  
WO/2002/055486A2
The invention relates to novel triazene compounds, the use thereof and novel alkylation methods. Said triazene compounds have the general formula, X-Y-Z-N=N-NH-R, where X = an insoluble support material, Y = an atom, or group of atoms, f...  
WO/2002/048073A1
The invention relates to a method for producing compounds having at least one -CF┬┐2?-O bridge per molecule, according to which: a) an acid is added to at least one ketene dithioketal; b) the obtained bis(alkylthio)carbenium salt is reac...  
WO/2002/048072A2
A method of performing a one-pot organic reaction including carbon monoxide as reactant without the use of an external CO gas source is described wherein a reaction mixture containing a solid or liquid CO releasing compound, a non-metal ...  
WO/2002/048081A1
The invention relates to liquid crystalline compounds of formula (I) wherein R?1┬┐, R?2┬┐, A?1┬┐, A?2┬┐, A?3┬┐, A?4┬┐, Z?1┬┐, Z?2┬┐, a, b and c have the designations cited in claim 1. The invention also relates to liquid crystalline medi...  
WO/2002/043861A1
Novel active catalyst compositions comprising a compound or mixture of compounds represented by the formula SbFXmY4-m a complex of such a compound or mixture of such compounds being represented by the formula R.SbFXmY4-m or a combination...  
WO/2002/040155A1
A process for the hydrogenation, using molecular hydrogen (H┬┐2?), of a catalytic system, wherein the catalytic system comprises a base and a complex of formula; (II) wherein Y represents simultaneously or independently a hydrogen or hal...  
WO/2002/038535A1
Optically active cobalt (II) complexes represented by the general formulae (1) and (1'): (1) (1') wherein R?1┬┐ and R?2┬┐ are each independently hydrogen, linear or branched alkyl, linear or branched alkenyl, aryl, acyl, alkoxycarbonyl, ...  
WO/2002/034740A1
The invention relates to a method for producing cyclic carboxylic orthoester fluorides, comprising the following steps: a) reacting at least one bis(alkylthio)carbenium salt in the presence of at least one base with at least one organic ...  
WO/2002/028826A1
The invention concerns a method for sulphonylating a hydroxylated organic compound. The invention concerns in particular aliphatic hydroxylated compounds and more particularly those which comprise on their aliphatic chain, an electroattr...  
WO/2002/022526A2
The catalysts of formula (II): [Ru(L)┬┐m?(L')┬┐w?XY], wherein X and Y represent simultaneously or independently a hydrogen or halogen atom, a hydroxy group, or an alkoxy, carboxyl or other anionic radical, m is 1 or 2, w is 1 when m is 1...  

Matches 201 - 250 out of 1,703