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JP6733992B2 |
A method of forming homoallylic compounds 2 from cyclopropylvinyl precursors 1 in the presence of a Bronsted acid HQ
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JP6729634B2 |
An object of the present invention is to provide a method for easily and efficiently producing a butadiene compound. The object can be achieved by a method for producing a compound represented by formula (1):wherein R1a, R1b, R2a, R2b, R...
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JP6727227B2 |
The use of a C3 to C6 alkene compound including a sole double bond, for limiting or preventing the isomerization of trans-1-chloro-3,3,3-trifluoropropene to cis-1-chloro-3,3,3-trifluoropropene. Also, a composition including 1-chloro-3,3,...
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JP2020100835A |
To provide heat transfer compositions that can be useful in numerous applications, including vapor compression heating and cooling systems and methods, while avoiding the disadvantages of conventional compositions.A heat transfer composi...
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JP6716689B2 |
The present disclosure relates to catalyzed gas-phase dehydrochlorination of a pentachloropropane to form a tetrachloropropene with high selectivity and purity.
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JP2020090521A |
To provide a method for producing fluorinated olefins adapted to commercialization of CFCF=CH(1234yf).A method for producing fluorinated organic compounds comprises converting at least one compound of formula (I), C(X)CCl(Y)C(X), to at l...
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JP6707122B2 |
The present invention provides azeotropic or near-azeotropic compositions comprising HF and 253fb.
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JP6708984B2 |
The present disclosure provides a method for producing fluoroolefin represented by formula (1): CX1X2=CX3X4, wherein X1, X2, X3, and X4 are the same or different, and represent a hydrogen atom or a fluorine atom, with high selectivity. S...
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JP6701178B2 |
The present invention relates, at least in part, to a process for making chlorotrifluoroethylene (CFO-1113) from 1,2-dichloro-1,1,2-trifluoroethane (HCFC-123a). In certain aspects, the process includes dehydrochlorinating 1,2-dichloro-1,...
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JP6696431B2 |
To provide a method for producing a hydrofluoroolefin, wherein formation of an over-reduced product having hydrogen added to an aimed hydrofluorolefin and an over-reduced product having some of fluorine atoms in the aimed product replace...
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JP6696435B2 |
An object of the present invention is to provide a method for producing other fluorine-containing olefins in a simplified manner and efficiently, from industrially- easily-available fluorine-containing olefins through olefin metathesis. ...
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JP6694810B2 |
The present invention concerns a method of producing at least one compound of formula (II): CF3—CX(Z)n-CHX(Z)n in which X represents, independently, a hydrogen, fluorine or chlorine atom, Z represents, independently, a hydrogen or fluo...
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JP6697048B2 |
The invention relates to the use of a liquid-vapor separator such as a de-entrainer to remove an unvaporized portion of a feed, e.g. 1,1,2,3-tetrachloropropene (1230xa), to a catalytic vapor phase fluorination reaction where e.g. 2-chlor...
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JP6692746B2 |
A method for producing a fluorinated compound comprises: the provision of a gaseous flow comprising hydrofluoric acid; the provision of at least one liquid flow of a chlorinated compound and the vapourisation thereof by mixing with the g...
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JP6687780B2 |
The present invention relates to a provides a catalyst comprising (a) a solid support comprising an alkaline earth metal oxide, fluoride, or oxyfluoride, and (b) at least one elemental metal disposed on or within said support, preferably...
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JP6688383B2 |
The present invention provides an integrated process for preparing 2,3,3, 3-tetrafluoropropene (1234yf), the process comprising: (a) vapour phase catalytic fluorination of a first composition comprising 3,3,3-trifluoro-2-chloro-prop-1-en...
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JP6684801B2 |
The present invention provides a process for the preparation of 1-chloro-2,2-difluoroethane comprising the following stages: (i) dehydrofluorinating 1,1,1-trifluoro-2-chloroethane to form a product stream comprising 1-chloro-2,2-difluoro...
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JP2020059722A |
To provide a continuous production method of E-1-chloro-3,3,3-trifluoropropene (E-1233zd) on an industrial scale.The production method is a reaction for producing E-1-chloro-3,3,3,-trifluoropropene (E-1233zd) which includes at least one ...
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JP6680692B2 |
A process is provided comprising contacting and reacting the compound CF3CF2CHXC, wherein X is H or Cl, or the compound CF3CF=CXCl, wherein X is H or Cl, with hydrogen in the presence of a catalyst consisting essentially of Cu, Ru, Cu—...
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JP2020056064A |
To deposit at higher speed a fluorocarbon film with low input energy by a CVD method by using CFas raw material gas.A manufacturing method includes a gas reforming step for reforming raw material gas into reforming raw material gas by tu...
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JP2020055781A |
To provide a purification method of trans-1,2-dichloroethylene (tDCE) from a mixture containing vinylidene chloride (VdCl) and tDCE while suppressing polymerization.The purification method of tDCE comprises: obtaining, in distillation of...
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JP6675875B2 |
To provide an industrial method of the addition reaction of perfluoroalkyl radicals with acetylene compounds.There is provided a method for producing a fluorine-containing compound represented by the formula (3) by reacting acetylene com...
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JP6677658B2 |
A process for manufacturing tetrafluoropropene, including, alternately: at least one step of reacting a chlorinated compound with hydrofluoric acid in the gas phase, in the presence of a fluorination catalyst, the proportion of oxygen op...
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JP6674974B2 |
The present invention provides a process for the preparation of a C 3-7 (hydro)(chloro)fluoroalkene, the process comprising contacting a reagent stream comprising a C 3-7 hydrochlorofluoroalkane with a catalyst in a reactor to dehydrochl...
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JP6673395B2 |
This invention relates to a method for preparing 1,2-difluoroethylene and/or 1,1,2-trifluoroethane, comprising a step of performing at least one fluorination reaction by bringing at least one halide selected from the group consisting of ...
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JP6670793B2 |
Provided are a 1-halo-6,9-pentadecadiene useful as an intermediate having a skipped diene skeleton and a method for producing (7Z,10Z)-7,10-hexadecadienal. More specifically, provided are a method for producing (7Z,10Z)-7,10-hexadecadien...
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JP6673413B2 |
The present disclosure provides a method for producing fluoroolefin represented by formula (1) : CX1X2=CX3X4, wherein X1, X2, X3, and X4 are the same or different, and represent a hydrogen atom or a fluorine atom, with high selectivity. ...
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JP2020041147A |
To provide a 2,3,3,3-tetrafluoropropene composition capable of improving thermal stability when used in a refrigeration system.There is provided a composition comprising at least x wt.% of 2,3,3,3-tetrafluoropropene (99.8≤x<100), y wt....
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JP2020040921A |
To provide a method for producing 1223yd having reduced impurities.In a method for producing 1,3-dichloro-2,3,3-trifluoropropene, a composition containing 1,3-dichloro-2,3,3-trifluoropropene and at least one compound selected from the gr...
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JP6668254B2 |
The invention relates to a method for producing E-1-chloro-3,3,3-trifluoropropene, comprising at least one step during which 1,1,3,3-tetrachloropropene reacts with anhydrous hydrofluoric acid in a liquid phase, in the absence of a cataly...
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JPWO2018193884A1 |
In the method for producing 1,1-dichloro-3,3,3-trifluoropropene (1223za) of the present invention, 1,1,3,3,3-pentachloropropene (1220za) is fluorinated with hydrogen fluoride. It is characterized by including a step of producing 1,1-dich...
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JP6650523B2 |
This invention discloses a method for co-production of 1-chloro-3,3,3-trifluoropropene, 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene. This method includes inputting the mixed gases of hydrogen fluoride and 1,1,1,3,3-pentachl...
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JP6648039B2 |
The present invention relates to a hydrofluorinating process which comprises reacting a fluoroolefin with hydrogen fluoride in the liquid phase in the presence of a hydrofluorination catalyst in the reaction zone of a reactor, said react...
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JP2020023575A |
To provide a composition useful for manufacturing a compound which does not contribute to breakage of stratospheric ozone and low in global warming potential (GWP).There is provided a composition containing an E-isomer of 1,1,1,3,3-penta...
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JP2020015920A |
To provide compositions that have no ozone depletion and may be CFC refrigerant substitutes.A heat transfer composition comprises at least one fluoroalkene of formula (I), and has a global warming potential (GWP) of about 150 or less. (I...
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JP2020502085A |
Aspects of the present invention relate to systems and methods for recovering R1233zd from compositions that additionally contain hydrogen fluoride. According to one aspect, the present invention separates the feed stream composed of hyd...
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JP6629821B2 |
Processes for the production of chlorinated propenes are provided. The present processes make use of a feedstock comprising 1,2,3-trichloropropane and chlorinates the 1,1,2,3-tetrachloropropane generated by the process prior to a dehydro...
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JP6629722B2 |
This disclosure relates to processes of making 1,3,3,3-tetrafluoropropene. The processes involve dehydrofluorinating 1,1,1,3,3-pentafluoropropane in vapor phase in the presence of a catalyst comprising a metal compound supported on alumi...
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JP6627849B2 |
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JP6623561B2 |
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JP6624126B2 |
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JP2019214596A |
To provide a method for the production of trans-1,3,3,3-tetrafluoropropene (HFOtrans-1234ze).There is provided a method for the production of HFOtrans-1234ze, in which 1,1,1,3,3-pentafluoropropane is dehydrofluorinated to produce a mixtu...
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JP2019214513A |
To provide a method for industrially advantageously manufacturing a fluorinated compound.There is provided a manufacturing method of a fluorinated compound represented by the formula (2):R-F, wherein Rrepresents a group excluding a hydro...
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JP6620815B2 |
There is provided a method of efficiently manufacturing 1-chloro-2,3,3-trifluoropropene by an industrially feasible method by using a raw material which is easy to obtain, which includes subjecting 3-chloro-1,1,2,2-tetrafluoropropane to ...
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JP6621809B2 |
A process for the manufacture of 1,1,3,3-tetrachloropropene, the process comprising dehydrochlorinating 1,1,1,3,3-pentachloropropane.
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JP6618148B2 |
Provided are azeotropic or azeotrope-like mixtures of 1,1,3,3-tetrachloroprop-1-ene (HCO-1230za) and hydrogen fluoride. Such compositions are useful as feed stock in the production of HFC-245fa and HCFO-1233zd.
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JP2019206600A |
To provide a method capable of manufacturing 1-chloro-1,2-difluoroethylene at low cost and good efficiency.There is provided a manufacturing method of 1-chloro-1,2-difluoroethylene, including a process for dehydrohalogenation of chlorofl...
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JP6613877B2 |
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JP6613330B2 |
The present invention relates, in part, to the discovery that high temperatures during the fluorination of 1, 1, 2, 3-tetrachloropropene (HCO-1230xa) to 2-chloro-3, 3, 3-trifluoropropene (HCFO-1233xf) results in catalyst instability, red...
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JP6613264B2 |
Methods for the manufacture of 1,1,1,2,3-pentachloropropane from 1,1,1,3-tetrachloropropane and chlorine are disclosed. Improved methods are provided for the manufacture of 1,1,2,3-tetrachloropropene from 1,1,1,2,3-pentachloropropane. Me...
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