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WO/2011/163285A2 |
Provided are methods for producing fluorinated organic compounds, which preferably comprises converting at least one compound of formula (I) CH2XCHZCF3 to at least one compound of formula (II) CHX=CZCF3 where X and Z are independently H ...
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WO/2011/162336A1 |
Disclosed is a method for easily and economically producing 1,1-dichloro-2,3,3,3-tetra-fluoropropene (CFO-1214ya) that does not require the purification of a raw material component that has been prepared as an isomer mixture, i.e 1,1-dic...
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WO/2011/162340A1 |
Provided is a process by which 2,3,3,3-tetrafluoropropene can be produced at a high transformation rate and stably for a long time. The process for producing 2,3,3,3-tetrafluoropropene involves causing 1,1-dichloro-2,3,3,3-tetrafluoropro...
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WO/2011/162338A1 |
In the disclosed method for manufacturing 2,3,3,3-tetrafluoropropene (HFO-1234yf), generation of the over-reduced product HFC-254eb is decreased. In said method, a feedstock compound comprising either or both 1,1-dichloro-2,3,3,3-tetrafl...
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WO/2011/162341A1 |
Disclosed is a method that can manufacture high-purity 2,3,3,3-tetrafluoropropene, whereby generation of 3,3,3-trifluoropropene is inhibited. In said method, a feedstock compound comprising either or both 1,1-dichloro-2,3,3,3-tetrafluoro...
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WO/2011/162335A1 |
Provided is a process for preparing an isomer mixture rich in 1,1-dichloro-2,2,3,3,3-pentafluoropropane (HCFC-225ca) which is useful as a starting chemical in preparing 1,1-dichloro -2,3,3,3-tetrafluoropropene (CFO-1214ya), or the like. ...
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WO/2011/157907A1 |
The invention relates to a method for manufacturing trifluoroethylene F1123 (CF2=CHF), including at least one step consisting of reacting R-134a (CF3-CFH2) with a metal hydroxide, preferably an alkaline or alkaline-earth hydroxide. The r...
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WO/2011/158790A1 |
Provided is a method for producing 1,1,1,4,4,4-hexafluoro-2-butene that is efficient and appropriate for a flow-through reaction. Cis-1,1,1,4,4,4-hexafluoro-2-butene is obtained by isomerization of hexafluoro-1,3-butadiene using a cataly...
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WO/2011/154953A1 |
This invention is directed to a process for the preparation of high yield alkyl or aryl iodide from its corresponding carboxylic acid using N-iodo amides.
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WO/2011/153930A1 |
Disclosed are a reagent for testing the purification capacity of a radioactive gas in a nuclear power plant, preparation method thereof and an iodide filter testing equipment using this reagent. The reagent is prepared by mixing methyl p...
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WO/2011/156312A1 |
An improved process for producing perfluoroalkyl iodides of formula (I) F(CF2CF2)n-I (I) wherein n is an integer from 2 to 3, wherein the improvement comprises contacting at least one perfluoroalkyl iodide of formula (II) and at least on...
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WO/2011/152499A1 |
Provided is a process for the production of a fluoroalkyl iodide, by which a fluoroalkyl iodide having a desired degree of polymerization can be produced with high selectivity and high productivity. A process for the production of a fluo...
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WO/2011/139591A2 |
A process for the manufacture of halogenated olefins in semi-batch mode by dehydrohalogenation of halogenated alkanes in the presence of an aqueous base such as KOH which simultaneously neutralizes the resulting hydrogen halide. During t...
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WO/2011/139646A2 |
The current invention relates to a process for making a tetrafluoropropene using a tetrafluorochloropropane and/or a pentafluoropropane as starting or intermediate reagents. More specifically, though not exclusively, the present inventio...
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WO/2011/140013A1 |
A method for producing a tetrafluoroolefin, such as 2,3,3,3-tetrafluoropropene (HFO-1234yf), comprises dehydrofluorinating a pentafluoroalkane in a gas phase in the presence of a catalyst comprising chromium oxyfluoride. In a preferred e...
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WO/2011/135395A1 |
Process of catalytic fluorination in liquid phase of product 1, 1, 1, 2, 3-pentachloropropane or/and 1,1,2,2,3- pentachloropropane into product 2-chloro-3, 3, 3-trifluoropropene in presence of a catalyst.
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WO/2011/135416A1 |
Process of catalytic fluorination in liquid phase of product 1, 1, 1, 2, 3-pentachloropropane or/and 1,1,2,2,3- pentachloropropane into product 2-chloro-3, 3, 3-trifluoropropene in présence of a catalyst.
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WO/2011/131619A1 |
There is provided a novel chemical synthetic method for the preparation of a 5-oxo-ETE and related compounds. The method is based on a short and efficient synthesis of 5-oxo-ETE from commercially available Arachidonic acid. The method is...
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WO/2011/133570A2 |
The present invention relates to a process for separating chlorinated methanes utilizing a dividing wall column. Processes and manufacturing assemblies for generating chlorinated methanes are also provided, as are processes for producing...
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WO/2011/130108A1 |
A method for producing a tetrafluoroolefin, such as 2,3,3,3-tetrafluoropropene (HFO-1234yf), comprises contacting 1,1,1,2-tetrachloro-2-fluoropropane (HCFC-241bb) with or without a catalyst under conditions effective to convert the 1,1,1...
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WO/2011/126679A2 |
The present invention achieves a catalyst life improvement for the catalyzed vapor phase fluorination of a chlorocarbon in the presence of one catalyst and an oxygen feed. Specifically, in one non-limiting embodiment, the instant inventi...
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WO/2011/126692A2 |
The disclosed integrated manufacturing process includes a combined liquid phase reaction and purification operation which directly produces trans-1-chloro-3,3,3-trifluoropropene and 3-chloro-1,1,1,3-tetrafluoropropane which is a precurso...
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WO/2011/126620A2 |
The invention provides a method for separating halocarbons. In particular, a method for separating 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) from 2-chloro-3,3,3-trifluoropropene (HCFC-1233xf) by adding a third component and then s...
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WO/2011/124098A1 |
Disclosed is a process for preparing trans-1,4-dibromo-2-butylene with high purity, which is characterized by: reacting butadiene with bromine in a solvent; then collecting the fraction which is rich in trans-1,4-dibromo-2-butylene by re...
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WO/2011/120351A1 |
Disclosed is a process for preparing 2-bromo-6-fluoronaphthalene, wherein the raw material is a Tobias acid, and the product is obtained by bromating-debrominating, diazotizating, and thermal decomposing. The product obtained by the pres...
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WO/2011/122573A1 |
Disclosed is a method for producing 3-chloro-pentafluoropropene with a good yield in a one-step reaction by chlorination of a perfluoro-allylfluoro sulfate ester. Specifically disclosed is a method for producing 3-chloro-pentafluoroprope...
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WO/2011/122157A1 |
Provided is a method for producing a fluorine-containing alkane in which at least one type of fluorine-containing compound selected from the group comprising chlorine-containing fluoroalkanes and fluorine-containing alkenes is reacted wi...
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WO/2011/121057A1 |
A process for the selective dehydrofluorination of hydrochlorofluoroalkanes and novel hydrochlorofluoroalkenes is described wherein an effective amount of a catalytically active metal compound is applied which is selected from the group ...
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WO/2011/121058A1 |
A process for the selective dehydrochlorination of hydrochlorofluoroalkanes by using chloride fluorides of Ba, Ca or Sr as catalysts.
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WO/2011/119370A2 |
Hexafluoro-2-butene (HFO-1336) is a low global warming potential blowing agent, refrigerant and solvent. This invention provides a method for making the compound, including the cis-isomer, from the readily available raw materials, carbon...
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WO/2011/119388A2 |
Hexafluoro-2-butene (HFO-1336) is a low global warming potential blowing agent, refrigerant and solvent. This invention provides methods for making the compound, including the cis-isomer, from the readily available raw materials, carbon ...
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WO/2011/110889A1 |
The present invention provides a process of fluorination in liquid phase in a solvent medium of a compound of formula (II) CX1X2=CZCX3X4X5, in which Z represents H, Cl or F, and each X1 represents independently hydrogen or chlorine, give...
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WO/2011/111423A1 |
Disclosed is a method for effectively and inexpensively producing an iodinated aromatic compound without using solvents detrimental to the human body that does not need ligands. Also disclosed is a method for producing a target iodinated...
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WO/2011/111464A1 |
Disclosed is an industrially advantageous method for producing 3,5-di-tert-butyl halogenobenzene with high purity in high yields. The method for producing a 3,5-di-tert-butyl halogenobenzene represented by general formula (2) is characte...
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WO/2011/112339A2 |
This invention achieves a catalyst life improvement for the catalyzed vapor phase reaction of 1,1,1,3,3-pentachloropropane with hydrogen fluoride to form 1-chloro-3,3,3-trifluoropropene by introducing an oxygen co-feed into the fluorinat...
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WO/2011/109071A1 |
Produce methyl chloride and sulfur dioxide using a reactor with lanthanum oxychloride, and contacting the lanthanum oxychloride with methanesulfonyl chloride under conditions sufficient to convert a portion of the methanesulfonyl chlorid...
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WO/2011/108668A1 |
It is possible to efficiently obtain a fluorine-containing olefin in which the fluorine atoms bonded to the sp2 hybridized carbon atoms of a fluorine-containing olefin, such as TFE, have been substituted with organic groups by reacting a...
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WO/2011/102167A1 |
Disclosed is a method for producing 3,3,3-trifluoro propene which involves a step in which 1-chloro-3,3,3-trifluoro propene is hydrogenated in the gas phase using hydrogen (H2) under the presence of: (A) a catalyst in which at least one ...
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WO/2011/102268A1 |
Disclosed is a method for producing monofluoro methane, which involves at least a pyrolysis step in which a 1-methoxy-1,1,2,2-tetrafluoro ethane is pyrolyzed by bringing same into contact with a catalyst, and a step for collecting monofl...
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WO/2011/103035A2 |
The present invention relates to methods, process, and integrated systems for economically producing (E)-1-chloro-3,3,3-trifluoropropene via vapor phase and/or liquid processes.
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WO/2011/102538A2 |
The present invention provides a process for producing 2-chloro-3,3,3-trifluoropropene represented by the chemical formula: CF3CCl=CH2, comprising mixing a fluorine-containing alkane, in a liquid state, represented by the formula: CF3CHC...
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WO/2011/090734A1 |
Disclosed is a process for producing a hydrofluoroalkene, RfCF=CH2 comprising contacting a hydrofluoroalkanol of structure RfCF2CH2OH, with a lewis acid to produce a mixture, diluting said mixture with a solvent to produce a solvent mixt...
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WO/2011/087825A1 |
The present disclosure relates to compositions comprising 2,3,3,3-tetrafluoropropene that may be useful as heat transfer compositions, aerosol propellants, foaming agents, blowing agents, solvents, cleaning agents, carrier fluids, displa...
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WO/2011/084209A2 |
3,4-Dichlorobutene-1 is produced by a process comprising the step of contacting 1,4-dichlorobutene-2 with either 1) a ferric carboxylate catalyst of the formula (I) where R is an alkyl or alkenyl group of 4-18 carbon atoms, a cycloalkyl ...
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WO/2011/083612A1 |
Provided is a process for producing a difluorocyclopropane compound under milder reaction conditions and with high selectivity and high yield. The disclosed process for producing a difluorocyclopropane compound is characterized by using ...
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WO/2011/077193A1 |
The invention provides a process for preparing 1234yf, comprising: (i) contacting 243db with hydrogen fluoride HF in gas phase in the presence of a fluorination catalyst under conditions sufficient to produce a reaction mixture; (ii) sep...
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WO/2011/077394A1 |
The invention is directed to a process for preparing 2, 2, 2, 3-tetrafluoropropene (1234yf), comprising : (i) contacting 1, 1, 2, 3-tetrachloropropene (1230xa) with hydrogen fluoride HF in gas phase in the presence of a fluorination cata...
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WO/2011/078432A1 |
A preparation method of a brominated diphenylethane mixture according to the present invention comprises the following steps of: injecting a catalyst into a reactor where a moisture-removed solvent and diphenylethane are mixed; dropping ...
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WO/2011/077192A1 |
The present invention provides a process for preparing 1234yf, comprising: (i) contacting 1233xf with hydrogen fluoride HF in gas phase in the presence of a fluorination catalyst under conditions sufficient to produce a reaction mixture;...
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WO/2011/077191A1 |
The invention is directed to a process for preparing 2,2,2,3-tetrafluoropropene (1234yf), comprising : (i) contacting 1,1, 2, 3-tetrachloropropene (1230 xa) with hydrogen fluoride HF in gas phase in the presence of a fluorination catalys...
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