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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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, ...
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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 ...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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, ...
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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 ...
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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...
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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...
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WO/2002/014248A2 |
A process for producing oxygenated products from an olefinic feedstock, which process includes reacting, in a hydroformylation reaction stage, an olefin feedstock with carbon monoxide and hydrogen at elevated temperature and superatmosph...
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WO/2002/012158A2 |
The invention relates to a method for catalytically producing organic substances by partial oxidation which is carried out in the gaseous phase in the presence of molecular oxygen at temperatures in the range of from 200 to 500 °C in at...
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WO/2002/005954A1 |
The invention concerns a composition, which may be based on metal and acid salt(s) having a sulphonyl group borne by a prehalogenated carbon. Said salts are salts with elements of valence $g(m) with $g(m) at least equal to three comprisi...
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WO/2002/002486A1 |
A process for the preparation of polyhydric alcohols which comprises subjecting a polyhydric alcohol whose hydroxyl groups are protected to irradiation with microwave in the presence of either a basic compound or an acid exhibiting at 25...
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WO/2001/092187A1 |
The invention relates to a method for formulating organic compounds in a microreactor.
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WO/2001/085658A1 |
A new process for preparing a compound of the general formula ArOH (I) in which Ar represents an aryl or heteroaryl group substituted by at least one electron-donating group.
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WO/2001/081274A1 |
A phosphazenium compound represented by the formula (1) (1) (wherein Q?-¿ is an anion formed by removing a proton from an inorganic acid or from an active-hydrogen compound having an active hydrogen atom on an oxygen, nitrogen, or sulfu...
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WO/2001/077052A1 |
Improved oxidation methods are provided wherein a reaction mixture comprising a substrate to be oxidized (e.g., phenols, alkenes) and an oxidation catalyst (typically dispersed in an organic solvent system) is supplemented with a compres...
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WO/2001/074742A2 |
The invention relates to a method for oxidizing substrates such as hydrocarbons, waxes or soot. The method involves the use of a compound of formula (I) in which: R?1¿ and R?2¿ represent H, an aliphatic or aromatic alkoxy radical, carb...
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WO/2001/072667A2 |
The invention concerns a method for chemoselective oxidation of an organic compound comprising several potentially oxidizable groups whereof at least one is a nitrogen group. Said method is characterised in that it consists in using at l...
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WO/2001/070649A1 |
The present invention relates to a method for reducing aliphatic, aromatic or heterocyclic organic compounds by means of hydrides and/or the derivatives thereof. The inventive method is characterised in that the reaction is carried out i...
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WO/2001/068636A1 |
The invention relates to a method for carrying out a Baeyer-Villiger oxidation of organic carbonyl compounds.
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WO/2001/066495A1 |
A process for producing an oxide having a higher degree of oxidation than an alcohol, characterized by depositing the alcohol compound and an oxidation catalyst on silica gel and oxidizing the compound with an oxidizing agent; and a proc...
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WO/2001/066502A1 |
The invention concerns a method for oxidising hydrocarbons, in particular saturated aliphatic hydrocarbons, whether branched or not, cycloaliphatic and alkylaromatic hydrocarbons into acid or polyacid compounds. More particularly, the in...
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WO/2001/066506A1 |
The invention concerns a method for oxidising hydrocarbons, in particular saturated aliphatic hydrocarbons, whether or not branched, cycloaliphatic or alkylaromatic hydrocarbons into acid or polyacid compounds. More particularly, the inv...
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WO/2001/064667A1 |
The invention relates to a method for producing compounds that have at least one -CF¿2?-O bond in the molecule by reacting a bis(alkylthio) carbenium salt in the presence of a base with a compound that contains at least one hydroxy grou...
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WO/2001/047864A1 |
A process for alkoxylating an organic carbonate wherein an alkylene oxide is reacted with an organic carbonate such as a dialkyl carbonate in the presence of a catalytically effective amount of a calcium-containing catalyst to produce al...
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WO/2001/046169A1 |
A process for producing carbonyl compounds by dehydrogenation of alcohols, wherein the dehydrogenation of alcohols is conducted in the presence of a complex catalyst containing ruthenium and an organophosphine in which at least two of th...
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WO/2001/041924A2 |
The invention relates to reaction membranes that contain a selective oxidation catalyst disposed on a ceramic membrane that selectively conducts oxide ions and that is composed of (Sr¿1-x?Ca¿x?)¿1-y?A¿y?Mn¿1-z?B¿z?O¿3-$g(d)?, wher...
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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/2001/032593A1 |
The invention relates to the shape selective acylation of an organic compound. In particular, the invention describes a process for such acylation wherein the process comprises reducing the number of surface acid sites on at least a port...
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WO/2001/028534A2 |
The invention relates to the use of organic disulphide compounds.
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WO/2001/028967A1 |
The invention concerns a method for preparing ketones of formula (I) wherein A and B are as defined in Claim 1, consisting in reacting at a temperature ranging between 250 and 500 °C a compound of formula (II): A - X with a compound of ...
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WO/2001/026807A1 |
A supported catalyst comprises a cationic rhodium (I) complex of formula (1) wherein R?1¿ and R?2¿ are the same or different hydrocarbon groups of up to 30 C atoms, or R?1¿ and R?2¿ are linked to form a ring, and a heterogeneous supp...
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WO/2001/016058A1 |
The invention relates to the use of an immobilised transition metal carbonyl complex as a catalyst in the Pauson-Khand reaction and to processes using such a catalyst.
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WO/2001/010797A1 |
Oxidation of organic compounds is catalyzed by addition of a catalytic amount of a metalloporphyrin in a non-reactive aprotic solvent.
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WO/2001/009064A1 |
The invention relates to a method for the Friedel-Crafts acylation of organic compounds. The method is characterised in that a) a solution is produced which contains an acylation reagent and a strong acid; b) this solution is mixed in an...
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WO/2000/078677A1 |
Disclosed is a general process which, through the use of surfactants, enables to reduce the time durations for the synthesis of crystalline microporous silica-based materials having channels and of which the pore opening is formed of 10 ...
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WO/2000/076661A1 |
The invention concerns a method for the selective separation of iron from other metal ions in particular ions present in certain oxidation catalysts. The invention also concerns a method for recycling oxidation catalysts in the oxidation...
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WO/2000/064842A1 |
The invention relates to a method for oxidizing organic substrate by using ?1¿O¿2?. According to the inventive method, organic substrates that react with ?1¿O¿2? are mixed with 30-70 % H¿2?O¿2? in water, in an organic solvent or in...
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