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WO/2000/063140A1 |
The invention provides a method for reacting a substrate to produce a desired product, the method comprising the steps of: mixing the substrate with a template molecule to produce a solid-state mixture, the template molecule being capabl...
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WO/2000/061531A1 |
The invention relates to a method of producing mono-, bi- and/or polyfunctional biaryls of the general formula (I) Ar-Ar' by reacting halogenated aromatics of the general formula (II) Ar-X with boron compounds of the general formula (III...
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WO/2000/059554A1 |
The invention relates to a catalytic composition, comprising a coating which consists of a coating mass on a support. The composition can be obtained by applying the coating mass, which comprises (1) a polycondensate consisting of at lea...
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WO/2000/058240A1 |
The invention relates to a method for carrying out an SNAr-type nucleophilic substitution on an aromatic substrate, characterized in that an aromatic substrate of general formula (I), wherein A represents an aromatic residue motif, X rep...
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WO/2000/056700A1 |
An ionic liquid having a melting point of no more than 60 °C, formed by the reaction of a quaternary ammonium compound of formula R?1¿ R?2¿ R?3¿ R?4¿ N?+¿ X?-¿ (I) or a mixture of two or more thereof; with a halide of zinc, tin or...
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WO/2000/050365A1 |
The present invention relates to a process for stereoselective cycloaddition reactions which generally comprises a cycloaddition reaction between a pair of substrates, each either chiral or prochiral, that contain reactive $g(p)-systems,...
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WO2000002887B1 |
One aspect of the present invention relates to novel ligands for transition metals. A second aspect of the present invention relates to the use of catalysts comprising these ligands in transition metal-catalyzed carbon-heteroatom and car...
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WO/2000/027524A1 |
The invention relates to a catalyst body (4) for degrading halogenated hydrocarbons, especially dioxins and/or furans, having an active mass comprising titanium dioxide, carbon and at least one active component which is selected from the...
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WO/2000/027853A1 |
The invention relates to processes for the synthesis of aryl or alkene borates which comprises reacting: (i) an olefinic compound having a halogen or halogen-like substituent in a vinylic substitution position, or (ii) an aromatic ring h...
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WO/2000/023423A1 |
The invention relates to a method for producing (+)-exo-6-phenyl-3-azabicyclo-[3.2.0]heptanes of formula (I) in which R represents hydrogen, chlorine, bromine, fluorine or methoxy. The inventive compounds are characterized in that a bisa...
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WO/2000/021966A1 |
This invention relates to a process for covalently coupling organic compounds which comprises: reacting an olefinic compound having at least one carbon to carbon double bond or an acetylenic compound having at least one carbon to carbon ...
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WO/2000/018714A1 |
The invention concerns a method for arylation of acetophenone type compounds. The invention is particularly useful for making $g(a)-phenylacetophenones. The arylation method of the invention is characterised in that it consists in reacti...
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WO/2000/018774A1 |
A fluorous phosphine wherein the phosphor is coupled to at least one aryl or alkyl moiety, to which moiety a fluorous tail is coupled, wherein a spacer group, containing a non-carbon atom, is positioned between the aryl or alkyl moiety a...
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WO/2000/018707A1 |
The present invention is a process for the preparation of a monoalkylated aromatic compound. This process includes the steps of combining a zeolite catalyst in the amount of about 0.5 weight % to about 3 weight % based on total reactants...
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WO/2000/017132A1 |
Olefins containing aromatic substituents are synthesized without the addition of phosphonium salts or phosphanes with the aid of a Pd-II compound as a catalyst in the presence of nitrogen-containing additives such as N,N-dimethylglycine ...
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WO/2000/014034A1 |
Microwave heating of a transition metal-catalysed organic reaction, in which a catalyst complex between a transition metal and an auxiliary ligand or ligands, the ligand being asymmetric or symmetric, monodentate or bidentate, results in...
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WO/2000/013774A1 |
The invention relates to a method for catalytically removing polycyclic, aromatic nitro, nitroso and/or amino compounds from the exhaust gas (5) of a combustion system, especially of a diesel engine (1), whereby the exhaust gas (5) is br...
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WO/2000/010942A1 |
Processes are provided for the Mitsunobu alkylation reaction of carbon-carbon bond formation between a solid support reagent and a reagent in solution. The resulting novel products can be prepared as a combinatorial library by high-throu...
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WO/2000/007719A1 |
An organic synthesis method in which a metal compound stable in water and functioning as a Lewis acid is used as a novel Lewis acid catalyst in a reaction system employing water as part or all of the solvent, wherein the compound gives a...
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WO/2000/002840A1 |
Palladium-catalyzed arylation of an olefin ($i(e.g.), ethylene) with an aromatic halide ($i(e.g.), 2-bromo-6-methoxynaphthalene, $i(m)-bromobenzophenone, or 4-isobutyl-1-bromobenzene) is conducted in specified media. After a special acid...
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WO/2000/002656A2 |
Dendrimers were directly and covalently attached to solid supports via siloxy bonds. After complexation with transition metals, the dendrimers were used as catalysts for hydroformylation and for carbon-carbon bond formation. The supporte...
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WO/1999/057084A1 |
The invention relates to a novel method for producing substituted benzenes of formula (I) wherein R?1¿, R?2¿, R?3¿, R?4¿, R?5¿ and R?6¿ have the meanings given in the description by reacting cyclohexa-2,5-diene-1-carboxylic acid de...
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WO/1999/055675A1 |
The invention relates to a method for producing dipyridyls by reacting at least one pyridine of general formula (III), where S', S'', S''', S'''' and S''''' are identical or different and independently of each other represent hydrogen, (...
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WO/1999/054038A1 |
Liquid clathrate compositions useful as reusable aluminum catalysts in Friedel-Crafts reactions are described. The liquid clathrate composition is formed from constituents comprising: (i) at least one aluminum trihalide; (ii) at least on...
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WO/1999/048844A1 |
The invention relates to a process of preparing a discotic liquid crystalline compound by intramolecular oxidative cyclisation of a diaryl compound in an organic solvent in the presence of a strong acid, characterized in that an oxidativ...
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WO/1999/047474A1 |
This invention relates to a novel, inventive process for the preparation of biphenyls or aromatic olefins by coupling reactions of the Suzuki coupling and Heck coupling type, using allylpalladium catalysts of the $g(m)-halo(triisopropylp...
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WO/1999/042424A1 |
The invention concerns a method for making aromatic ketone compounds and more particularly for preparing 1-[2'-methoxynaphth-6'-yl]but-2en-3-one which is an intermediate product useful for preparing 1-[2'-methoxynaphth-6'-yl]butan-3-one....
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WO/1999/040047A1 |
The invention relates to methods for preparing macrocyclic products with 9 or more ring atoms by ring-closing diine metathesis of suitable diine substrates. The diine substrates can be converted into cycloakynes or into cycloalkadiines b...
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WO/1999/038820A1 |
A process for the transformation of an organic molecule catalysed by a ligand-metal complex, is conducted in compressed CO¿2? as a solvent, wherein the complex comprises a perfluorinated group. Further, a process for the polymerisation ...
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WO/1999/036375A1 |
The present invention relates to a process for stereoselective cycloaddition reactions which generally comprises a cycloaddition reaction between a pair of substrates, each either chiral or prochiral, that contain reactive $g(p)-systems,...
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WO/1999/019275A1 |
A process for electrophilic substitution of an aromatic compound, comprising contacting said aromatic compound, a precursor of the desired substituent and an aqueous reagent containing zinc halide, at an elevated temperature.
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WO/1999/019284A1 |
Disclosed herein is a telomerization process for preparing fluorinated alkyl iodide telomers, comprising telomerizing a starting polyfluoroalkyl iodide with a terminally unsaturated perfluoro olefin or monochlorofluoro olefin.
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WO/1999/015239A1 |
The invention relates to a method for reductive dehalogenation of halogen-organic substances which can be used in solid or liquid mixtures of substances. When the parameters of the inventive method are correspondingly adapted, liquids an...
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WO/1999/004861A1 |
Disclosed is a method for eliminating halogenated and non halogenated waste, whereby waste is reacted with products containing metal oxide in an oxygen-free medium at temperatures ranging from 800 °C to 1100 °C.
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WO/1999/000535A1 |
The invention concerns a method for preparing 2-aryl or 2-heterocyclyl chiral propionic acids and their esters by electrochemical reduction of a mixture of a propionic acid derivative of formula (II) in which R¿3? represents a radical o...
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WO/1998/058935A1 |
This invention describes a process for covalently coupling organic compounds which comprises reacting an olefinic compound having a halogen or halogen-like substituent at a coupling position with a diboron derivative in the presence of a...
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WO/1998/054229A1 |
The invention concerns the use of ylides of phosphorus of general formula (I') in which R'�1?, R'�2?, R'�3?, R'�4?, R'�5? represent different variable groups, as a slightly nucleophilic base. The invention also concerns novel y...
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WO/1998/049128A1 |
The invention relates to a process for preparing a (hetero)aromatic olefin, in which an optionally substituted olefin is arylated in the presence of a metal (compound) containing a metal from any one of groups 8, 9 or 10 of the Periodic ...
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WO/1998/047891A1 |
Cyclic products are prepared by selective olefin metathesis of bifunctional or polyfunctional substrates in the presence of one or several homogeneous or heterogeneous metathesis catalysts in a reaction medium. The invention is character...
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WO/1998/046547A1 |
A process is disclosed for preparing 2-aryl-substituted indenes by reacting an indene with an arene compound substituted with an halogen atom, preferably a iodine atom, or with an organosulphonate group, said reaction being carried out i...
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WO/1998/046353A1 |
This invention provides an article, compositions, methods of making and uses of vapor-deposited metal compounds immobilized on porous substrates. The substrate is a porous substrate having an average pore size of at least about 8 � and...
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WO/1998/045265A1 |
The invention provides a process for covalently coupling organic compounds which comprises reacting an aromatic ring compound having a halogen or halogen-like substituent at a coupling position with a diboron derivative in the presence o...
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WO/1998/042644A1 |
The invention relates to a new method for synthesising aromatically substituted olefins, whereby olefins are reacted with aryl halides in the presence of catalysts consisting of palladium compounds and tetraarylphosphonium salts.
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WO/1998/040331A1 |
A process for the preparation of indanones of formula (II) from indanones of formula (I) or of indanones of formula (IIa) from indanones of formula (Ia) comprises reacting an indanone of formula (I) or (Ia) with a coupling component.
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WO/1998/040416A1 |
The invention relates to a catalyst system obtained by mixing at least one metallocene, at least one co-catalyst and at least one support which is rendered inert. The invention further relates to a method for producing a free flowing sup...
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WO/1998/030529A2 |
A palladium-catalyzed arylation of an olefin with aryl halide and/or substituted aryl halide is conducted in a liquid polar organic solvent, and (ii) secondary or tertiary amine that boils (1) below the boiling temperature of the solvent...
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WO/1998/030522A1 |
Arylolefinic compounds are prepared by reacting aryl halide with an olefinic compound in the presence of a polar liquid reaction medium containing (a) secondary or tertiary amine as a hydrogen halide acceptor, (b) a catalyst system forme...
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WO/1998/030543A1 |
This invention relates to a process for the preparation of a key intermediate in the synthesis of an endothelin antagonist, having formula (I) by using a chiral additive to effect an asymmetric conjugate addition.
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WO/1998/029399A1 |
The invention relates to ionic compounds in which the anionic load has been delocalized. A compound disclosed by the invention includes an anionic portion combined with at least one cationic portion M?+m� in sufficient numbers to ensur...
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WO/1998/029388A1 |
The invention relates to ionic compounds in which the anionic load has been delocalized. A compound disclosed by the invention is comprised of an amide or one of its salts, including an anionic portion combined with at least one cationic...
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