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WO/2019/159596A1 |
Provided is a method for preparing a coupled body represented by general formula (3), the coupled body being obtained by reacting a compound represented by general formula (1) and a compound represented by general formula (2) in the pres...
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WO/2019/159766A1 |
Provided is an efficient method for manufacturing 1,2-dichloro-3,3-difluoro-1-propene (1232xd) by fluorinating 1,2,3,3-tetrachloro-1-propene (1230xd) using hydrogen fluoride as a fluorinating agent. Through this composition including 123...
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WO/2019/153774A1 |
The present invention relates to a method for preparing 2-methylallyl chloride from 1,2-dichlorotert-butane, using 1,2-dichlorotert-butane and sodium hydroxide aqueous solution as raw materials, the 2-methylallyl chloride being obtained ...
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WO/2019/153773A1 |
The present invention relates to a preparation method for high-content 2-methallyl chloride. the high-content 2-methallyl chloride is obtained by using a chlorination reaction solution obtained by means of the reaction of isobutene and c...
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WO/2019/152469A1 |
A process for enhancing the selective and efficient production of (E)-1-chloro-3,3,3-trifluoropropene (HCFO-1233zd(E), or 1233zd(E)). During the manufacture of HCFO-1233zd(E) by fluorination of 1,1,1,3,3-pentachloropropane (HCC-240fa), a...
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WO/2019/152972A1 |
The present invention relates to a process for the preparation of haloethylenes, and preferably perhaloethylenes, by the gas-phase dechlorination of haloethanes in the presence of a catalyst and optionally in the presence of an alkene or...
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WO/2019/150052A1 |
The present invention relates to an azeotropic or quasi-azeotropic composition comprising hydrogen fluoride, 2,3,3,3-tetrafluoropropene and 1,1,1,2,2-pentafluoropropane, characterised in that the composition has a boiling point above 40°C.
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WO/2019/151467A1 |
The purpose of the present invention is to provide a method for industrially producing a compound having a polyene skeleton containing hydrogen and fluorine and/or chlorine simply and at low cost. A method for producing a halogenated d...
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WO/2019/152368A1 |
A process for enhancing the selective and efficient production of (E)-1-chloro-3,3,3-trifluoropropene (HCFO-1233zd(E), or 1233zd(E)). During the manufacture of HCFO-1233zd(E) by fluorination of 1,1,1,3,3-pentachloropropane (HCC-240fa), a...
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WO/2019/144647A1 |
The present invention relates to a synthesis method for highly selective 2-methyl allyl chloride and a synthesis reactor thereof, wherein the 2-methyl allyl chloride is obtained by means of a gas chlorination reaction, using isobutylene ...
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WO/2019/142627A1 |
Provided is a method of producing tetrafluoromethane wherein the reaction device is not likely to be damaged and tetrafluoromethane can be produced safely and stably at low cost. The tetrafluoromethane is produced by introducing fluorine...
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WO/2019/142626A1 |
Provided is a method for producing tetrafluoromethane, by which tetrafluoromethane is able to be produced safely and stably at low cost, and which is not likely to damage a reaction apparatus. According to the present invention, tetraflu...
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WO/2019/144049A1 |
A cost-effective and energy-efficient process is disclosed for converting a methane-containing gas to a methane sulfonyl halide comprising reacting the methane-containing gas, under illumination by a light emitting diode (LED) source, wi...
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WO/2019/136408A1 |
The present disclosure provides various compositions including 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) and at least one impurity comprising 2,3,3,3-tetrafluoropropene(HFO-1234yf), pentafluoropropene (HFO-1225ye isomer(s)), 1,3,3...
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WO/2019/135057A1 |
The present invention concerns a method for purifying 1,1,1,2,3-pentafluoropropane comprising the steps of: i) providing a composition A1 comprising 1,1,2,3-pentafluoropropane and 1,1,1,3-tetrafluoropropane; ii) purifying, preferably dis...
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WO/2019/136410A1 |
The present disclosure provides various manufacturing processes for the production of 2,3,3,3-tetrafluoropropene (HFO-1234yf or 1234yf). Such methods may allow for the improved yields, more economical processes, and waste reduction in th...
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WO/2019/131114A1 |
Provided is a method for manufacturing tetrafluoromethane, whereby a reaction device is not prone to be damaged, and tetrafluoromethane can be stably manufactured safely and inexpensively. In the present invention, fluorine gas is introd...
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WO/2019/124220A1 |
Provided is an efficient production method that enables production of 5-chloro-1,1,2,2,3,3,4,4-octafluoropentane with high selectivity without the need of a complicated post-treatment process. This production method for 5-chloro-1,1,2,2,...
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WO/2019/124221A1 |
Provided are a method for removing 2-chloro-1,3,3,3-tetrafluoropropene (1224xe) and a method for producing 1-chloro-2,3,3,3-tetrafluoropropene (1224yd) capable of markedly reducing the concentration of 1224xe in a composition including 1...
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WO/2019/124219A1 |
Provided is an efficient HCFO-1437dycc production method for producing HCFO-1437dycc with a high yield at a high selective rate through an industrially advantageous process by using easily available raw materials. This production method ...
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WO/2019/120081A1 |
The present invention provides a photoinitiator containing fluorine fluorene oxime esters, a photocurable composition comprising the photoinitiator, and application of the photoinitiator. The photoinitiator has a structure represented by...
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WO/2019/116789A1 |
Provided is a method for producing a fluorine-containing organic compound, the method being capable of detecting an occurrence of a side reaction in a direct fluorination reaction using a fluorine gas, and also capable of producing a hig...
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WO/2019/113052A1 |
The present application provides processes and intermediates for preparing (E)-1,1,1,4,4,4-hexafluoro-2-butene and compositions which may be useful in applications including refrigerants, high-temperature heat pumps, organic Rankine cycl...
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WO/2019/106972A1 |
Provided is a 1,2,3,4-tetrachlorobutane production method that enables stable and economic production of 1,2,3,4-tetrachlorobutane. According to the present invention, 1,2,3,4-tetrachlorobutane is produced by: placing a reaction solution...
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WO/2019/108574A1 |
A method for producing 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) from a reaction composition including a mixture of HCFC-244bb and 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf) by selectively hydrogenating the HCFO-1233xf componen...
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WO/2019/098337A1 |
Provided is a method for purifying (Z)-1-chloro-2,3,3,3-tetrafluoropropene (1224yd(Z)), the method being capable of efficiently separating 2-chloro-1,1,1,2-tetrafluoropropane (244bb) from a composition including 1224yd(Z) and 244bb, and ...
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WO/2019/084977A1 |
Disclosed is a production method for a vinylidene fluoride monomer, comprising the following steps: 1) using difluoromono-chloroethane as a raw material, introducing same into a first-stage pyrolyzer, and enabling a pyrolytic reaction at...
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WO/2019/086816A1 |
The present invention concerns a method for producing a fluorinated compound comprising the steps of providing a gas stream comprising hydrofluoric acid; providing at least one liquid stream of a chlorinated compound; spraying said at le...
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WO/2019/084241A1 |
A method for conversion of a composition containing HCFO-1233zd(Z) and HCFC-244fa to form HCFO-1233zd(E) by reacting a mixture including HCFO-1233zd(Z) and HCFC-244fa in a vapor phase in the presence of a catalyst to simultaneously isome...
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WO/2019/082872A1 |
This hexafluorobutadiene production method comprises subjecting a raw material composition containing hexafluorobutadiene and at least one additional compound selected from the group consisting of octafluoro-1-butene, octafluoro-2-butene...
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WO/2019/075932A1 |
Provided is a co-production method for 2,3,3,3-tetrafluoropropylene and trans-1,3,3,3-tetrafluoropropylene, comprising: preheating a 1,1,1,2,2-pentachloropropane and 1,1,1,3,3-pentachloropropane mixture and anhydrous hydrogen fluoride, a...
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WO/2019/077520A1 |
A process that allows halogenation at the alpha-H position of alkylarenes, optionally further substituted on the aromatic or heteroaromatic ring, is described.
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WO/2019/078062A1 |
Provided is a method for safely and stably storing a hydrochlorofluoroolefin that has been filled into in a container for storage, transportation, etc. Specifically provided is a method is for storing hydrochlorofluoroolefin in a closed ...
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WO/2019/075212A1 |
A method for removing unsaturated halogen impurities from 2,3,3,3-tetrafluoropropene (HFO-1234yf) of the type that may otherwise be difficult to separate from HFO-1234yf due to the impurities having boiling points which are close to that...
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WO/2019/067883A1 |
The disclosure describes methods for preparing 2,3-dibromo-2-propen-l-ol, or dibromoallyl alcohol, and isomerically enriched compositions of the same. The process can include reacting propargyl alcohol with elemental bromine to produce t...
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WO/2019/066311A1 |
The present invention relates to a method for preparing 1,1,2-trichloroethane. According to the present invention, a method capable of preparing 1,1,2-trichloroethane using simplified equipment at a high reaction yield is provided.
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WO/2019/059590A1 |
The present invention relates to a dividing wall distillation column and a method for refining vinylidene dichloride by using the same and, more specifically, to: a dividing wall distillation column capable of refining, in a high purity,...
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WO/2019/052236A1 |
The present invention pertains to the field of fine chemicals and related chemical technologies and provides a preparation method for a butadiene derivative. Phenylacetylene and derivatives thereof are used as raw materials and react in ...
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WO/2019/047447A1 |
Provided is a method for co-producing various halogenated olefins and fluoroalkanes: introducing cis-1-chloro-3,3,3-trifluoropropene into a first reactor, and an isomerization reaction occurring under the action of a first catalyst, a re...
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WO/2019/051389A1 |
Disclosed herein are methods of producing E-CF3CH=CHCF3 in a liquid phase. Also disclosed are methods of preparing CF3CH2CHClCF3 and CF3CHClCH2CCl3.
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WO/2019/045470A1 |
The present invention relates to a method for preparing a sulfated metal oxide catalyst for chlorination, and a method for preparing a reaction product comprising methyl chloride (CH3Cl) by using a sulfated metal oxide catalyst. A sulfat...
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WO/2019/039759A1 |
The present invention relates to a method for producing mono-iodobenzene and mono-iodobenzene produced therefrom, the method enabling the selective recovery of gas-state iodine that is lost when regenerating a catalyst used in a reaction...
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WO/2019/036349A1 |
This invention discloses the first example of palladium(ll)-catalyzed β-C(sp3)-H iodination or arylation of a wide range of ketones by using a commercially available aminooxyacetic acid auxiliary. This L, X-type directing group overcome...
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WO/2019/030059A1 |
The invention relates to bissilylaminosilyl-functionalized conjugated dienes of formula (IlIa), (Illb) or (IIIc) (formula IIIa, b, c) and to methods for their preparation. The conjugated dienes of formula (Ilia), (Illb) or (IIIc) are bas...
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WO/2019/030527A1 |
The invention provides a composition comprising 3,3,3-trifIuoro-2-chloro-prop-1-ene (CF3CCI=CH2, 1233xf) and 1233xf oligomers in an amount of less than about 0.5 wt.% and the use of such a composition in a fluorination process.
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WO/2019/031743A1 |
The present specification provides a method for preparing a styrene monomer, comprising, as a step of preparing a styrene monomer of chemical formula 2 by reacting a compound represented by chemical formula 1 in the presence of phosphori...
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WO/2019/026515A1 |
The present invention provides a production method which has a high selectivity to HCFC-132 and in which handling is easier than in conventional methods because neither chlorine nor highly toxic carbon tetrachloride is used. Specifically...
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WO/2019/023572A1 |
The present application is directed to processes and intermediates for preparing (Z)-1,1,1,4,4,4-hexafluoro-2-butene, in particular to processes for preparing the intermediate (Z)-2-chloro-1,1,1,4,4,4-hexafluoro-2-butene by reaction with...
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WO/2019/023568A1 |
The present application discloses compositions comprising hydrogen fluoride and fluorinated compounds (e.g., hydrochlorofluorocarbons), wherein the fluorinated compound is present in the composition in an amount effective to form an azeo...
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WO/2019/019557A1 |
A method for co-production of a low-carbon foaming agent. 1,1,1,3,3-pentachloropropane and hydrogen fluoride are preheated and then introduced into a reactor, and react in the presence of a catalyst to obtain a reaction product, and the ...
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