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WO/2002/060854A1 |
A method and catalyst system for economically producing aromatic carbonates from aromatic hydroxy compounds is disclosed. In one embodiment, the present invention provides a method of carbonylating aromatic hydroxy compounds by contactin...
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WO/2002/057213A2 |
A process for catalytic production of diaryl carbonates by oxidative carbonylation of aromatic hydroxy compounds with carbon monoxide and oxygen achieves water removal during reaction by a process comprising the steps of: removing a liqu...
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WO/2002/048087A2 |
A process for catalytic production of diaryl carbonates by oxidative carbonylation of aromatic hydroxy compounds with carbon monoxide and axygen achieves water removal during reaction by a process comprising the steps of: removing a liqu...
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WO/2002/044122A2 |
A method and catalyst system for economically producing aromatic carbonates from aromatic hydroxy compounds is disclosed. In one embodiment, the present invention provides a method of carbonylating aromatic hydroxy compounds by contactin...
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WO/2002/040439A2 |
The present invention provides a method for making aromatic carbonates. In this method, an aryl alcohol is reacted with a dialkyl carbonate in a reactor (e.g., a distillation column) to produce an arylalkyl carbonate and diaryl carbonate...
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WO/2002/038271A1 |
Bromide source such as alkali metal bromide or onium bromide, present as part of a catalyst mixture in an organic oxidative carbonylation mixture further comprising diaryl carbonate and a hydroxyaromatic compound, is often at least parti...
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WO/2002/036539A1 |
Organolead compounds such as tetraethyllead are useful in catalyst compositions for the oxidative carbonylation of hydroxayromatic compounds to diaryl carbonates. They are employed in combination with a Group 8, 9, or 10 metal such as pa...
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WO/2002/030559A1 |
In one embodiment, the present invention provides a method of producing a homogeneous chemical reaction utilizing multiphase starting materials. The method includes the steps of providing a first reactant system at least partially embodi...
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WO/2002/028812A1 |
A method and catalyst system for economically producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the present invention provides a method of carbonylating aromatic hydroxy compounds by contacting at least on...
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WO2000058259A9 |
A continuous process for the preparation of monofunctional aromatic haloformates (MAH) having structure (I) wherein n is an integer from 1 to 5, and R1 represents hydrogen, a branched or unbranched alkyl group having from 1-15 carbon ato...
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WO/2002/000596A2 |
The specification describes a method for manufacturing dialkyl carbonate by reacting carbon monoxide, oxygen and alcohol in the presence of a catalyst. The catalysts are combinations of copper compounds and other metal compounds or halid...
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WO/2001/094444A1 |
The invention relates to a novel method for producing aliphatic oligocarbonate diols from aliphatic diols by means of a multi-stage transesterification with dimethyl carbonate (DMC) while almost completely utilizing the carbonate involve...
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WO/2001/085825A2 |
High molecular weight polycarbonates are prepared from hindered bisphenols in a reaction sequence involving conversion of the hindered bisphenol to the corresponding bischloroformate and subsequent treatment with an amine catalyst and aq...
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WO/2001/079149A2 |
Hydroxyaromatic compounds such as phenol are carbonylated with oxygen and carbon monoxide in the presence of a catalyst system comprising a Group VIIIB metal, preferably palladium; an iodide salt, preferably sodium iodide; and at least o...
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WO/2001/077060A1 |
A method which comprises adding a solvent having a solubility parameter of 7 to 10 to a solution of an aromatic hydroxy compound containing an aromatic carbonate to thereby precipitate the aromatic carbonate as crystals and separating an...
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WO/2001/077194A2 |
Describes a polymerizable composition of (a) a first allyl functional monomer, which is selected such that a substantially completely cured polymerizate of the first allyl functional monomer has a 15 second Barcol 934 hardness of at leas...
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WO2000050376A9 |
Efficient synthetic methods towards mixed aliphatic carbonates through the three component couplings of aliphatic alcohols, alkyl halides and carbon dioxide in the presence of cesium carbonate and tetrabutylammonium iode (TBAI). Due to t...
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WO2000040541A9 |
An improved method for producing an aromatic carbonate by reacting an aromatic hydroxy compound, carbon monoxide and oxygen in the presence of a catalyst system comprising at least one of palladium or a palladium compound; at least one l...
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WO/2001/064617A1 |
A method and catalyst system for producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the method includes the step of contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the p...
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WO/2001/064618A1 |
A method and catalyst system for producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the method includes the step of contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the p...
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WO/2001/064650A2 |
The present invention provides convergent processes for preparing epothilones, desoxyepothilones, and analogues thereof. The present invention further provides novel compositions and methods for the treatment of cancer and additionally p...
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WO/2001/064616A1 |
A process for producing an aromatic carbonate which comprises reacting an aromatic monohydroxy compound with carbon monoxide and molecular oxygen, characterized by conducting the reaction under dehydrating conditions in the presence of a...
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WO/2001/062702A1 |
A method and catalyst system for producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the method includes the step of contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the p...
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WO/2001/062703A1 |
A method and catalyst system for producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the method includes the step of contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the p...
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WO/2001/056971A1 |
A method is provided for co-producing dialkyl carbonate and alkanediol by reacting alkylene carbonate with alkanol in the presence of an amorphous aluminosilicate catalyst containing alkali metal, alkaline earth metal, or a combination t...
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WO/2001/055080A1 |
A method and catalyst system for producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the method includes the step of contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the p...
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WO/2001/055079A1 |
A method and catalyst system for producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the method includes the step of contacting at least one aromatic hydroxy compound with oxygen and carbon monoxide in the p...
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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/2001/046118A1 |
Lead halophenoxides, especially bromophenoxides, are prepared by the reaction of lead(II) oxides with a hydroxyaromatic compound such as phenol and a chloride or bromide salt such as an alkali metal bromide, a tetraalkylammonium bromide ...
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WO/2001/046119A1 |
Hydroxyaromatic compounds such as phenol are carbonylated with oxxygen and carbon monoxide in the presence of a catalyst system comprising a Group VIIIB metal, preferably palladium; at least one bromide or chloride salt, preferably sodiu...
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WO/2001/046100A1 |
The invention relates to a method for producing phosphonium phenolates from phosphonium halogenides and phenols.
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WO/2001/044158A1 |
A method is provided for co-producing dialkyl carbonate and alkanediol by reacting alkylene carbonate with alkanol in the presence of a complex salt catalyst having a formula: A¿x?(M¿y?O¿z?), wherein A is an alkali metal or alkaline e...
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WO/2001/042187A1 |
An energy efficient series of mass and energy integrated reactive distillation columns and distillation columns are used to effect the production of diaryl carbonate. Utilizing the method or apparatus of the invention facilitates high di...
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WO/2001/032598A1 |
This invention relates to a process for the preparation of hydroxyaromatic chloroformate products suitable for use as chainstopping or endcapping agents. The process involves a semi-batch process in which an aqueous caustic solution is i...
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WO/2001/027066A1 |
Di-t-butyl dicarbonate, which is a thermally unstable compound, can be inhibited from decomposing by using as the decomposition inhibitor a hydrocarbon compound such as hexane, cyclohexane, 1-hexene or toluene and/or a chain ether compou...
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WO/2001/027078A1 |
The invention relates to a process for the preparation of a peracid, perester or diacylperoxide and is characterized in that a mixed anhydride of formula: R?1¿[C(O)OC(O)OR?2¿]¿n? or [R?3¿C(O)OC(O)O]¿p?R?4¿ is contacted with a hydro...
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WO/2001/021616A1 |
A method of synthesizing a CO¿2?-philic analog of a CO¿2?-phobic compound, includes the step of: reacting the CO¿2?-phobic compound with a CO¿2?-philic compound selected from the group of a polyether substituted with at least one sid...
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WO/2001/016088A1 |
Hydroxyaromatic compounds such as phenol are carbonylated with oxygen and carbon monoxide in the presence of a catalyst system comprising a Group VIII metal having an atomic number of at least 44, preferably palladium; an alkali metal or...
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WO/2001/016087A1 |
Hydroxyaromatic compounds such as phenol are carbonylated with oxygen and carbon monoxide in the presence of a catalyst system comprising a Group VIII metal having an atomic number of at least 44, preferably palladium; an alkali metal or...
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WO/2001/016086A1 |
Hydroxyaromatic compounds such as phenol are carbonylated with oxygen and carbon monoxide in the presence of a catalyst system comprising a Group VIIIB metal, preferably palladium; an alkali metal or alkaline earth metal halide, preferab...
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WO/2001/002335A2 |
Hydroxyaromatic compounds such as phenol are carbonylated with oxygen and carbon monoxide in the presence of a catalyst system comprising a Group VIIIB metal, preferably palladium; an alkali metal or alkaline earth metal halide, preferab...
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WO/2001/000634A1 |
A method for making a vinyl carbonate represented by the formula (I): CH¿2?=CHOC(O)X¿1?R¿1?, wherein X¿1? is oxygen or sulfur and R¿1? is a substituted or an unsubstituted aliphatic alkyl, aryl, aryl alkyl, olefinic, vinyl, or cyclo...
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WO/2001/000560A1 |
The present invention, which relates to a process for preparing aromatic carbonates, provides a process for preparing diphenylcarbonate comprising the steps of preparing methylphenylcarbonate by gas phase reacting or liquid phase reactin...
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WO/2001/000582A1 |
The invention relates to a process for preparing quinoline-substituted carbonate and carbamate compounds, which are important intermediates in the synthesis of 6-O-substituted macrolide antibiotics. The process employs metal-catalyzed co...
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WO/2000/076950A1 |
An efficient method for manufacturing a dialkyl carbonate from CO, O¿2?, and an alcohol which uses a catalyst comprising: (i) a cupric halide; and (ii) a compound capable of producing a copper halide alkoxide by reaction with a cupric h...
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WO/2000/073256A1 |
A method is provided for co-producing dialkyl carbonate and alkanediol by reacting alkylene carbonate with alkanol in the presence of a zeolite catalyst which contains alkali metal, alkaline earth metal, or a combination thereof present ...
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WO/2000/066530A1 |
A method and catalyst system for economically producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the present invention provides a method of carbonylating aromatic hydroxy compounds by contacting at least on...
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WO/2000/066532A1 |
A method and catalyst system for economically producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the present invention provides a method of carbonylating aromatic hydroxy compounds by contacting at least on...
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WO/2000/066531A1 |
A method and catalyst system for economically producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the present invention provides a method of carbonylating aromatic hydroxy compounds by contacting at least on...
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WO/2000/066535A1 |
A method and catalyst system for economically producing aromatic carbonates from aromatic hydroxy compounds. In one embodiment, the present invention provides a method of carbonylating aromatic hydroxy compounds by contacting at least on...
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