EP3440039A1 - Procédé de fluoration de composés perchlorés - Google Patents
Procédé de fluoration de composés perchlorésInfo
- Publication number
- EP3440039A1 EP3440039A1 EP17717779.7A EP17717779A EP3440039A1 EP 3440039 A1 EP3440039 A1 EP 3440039A1 EP 17717779 A EP17717779 A EP 17717779A EP 3440039 A1 EP3440039 A1 EP 3440039A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- compound
- process according
- formula
- polyunsaturated
- organic solvent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 150000001875 compounds Chemical class 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000012025 fluorinating agent Substances 0.000 claims abstract description 11
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 11
- 239000011737 fluorine Substances 0.000 claims abstract description 7
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 6
- 150000001340 alkali metals Chemical class 0.000 claims abstract description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 6
- 239000001257 hydrogen Substances 0.000 claims abstract description 6
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims abstract description 6
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims abstract description 5
- 150000001342 alkaline earth metals Chemical class 0.000 claims abstract description 5
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 5
- 125000001153 fluoro group Chemical group F* 0.000 claims abstract description 5
- 229910052794 bromium Inorganic materials 0.000 claims abstract description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 4
- 239000011203 carbon fibre reinforced carbon Substances 0.000 claims abstract description 4
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 4
- 150000002367 halogens Chemical class 0.000 claims abstract description 4
- 229910052740 iodine Inorganic materials 0.000 claims abstract description 4
- 238000003682 fluorination reaction Methods 0.000 claims description 19
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 18
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 17
- RWNKSTSCBHKHTB-UHFFFAOYSA-N Hexachloro-1,3-butadiene Chemical compound ClC(Cl)=C(Cl)C(Cl)=C(Cl)Cl RWNKSTSCBHKHTB-UHFFFAOYSA-N 0.000 claims description 14
- 239000003495 polar organic solvent Substances 0.000 claims description 12
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 9
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 9
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 9
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 9
- LGPPATCNSOSOQH-UHFFFAOYSA-N 1,1,2,3,4,4-hexafluorobuta-1,3-diene Chemical group FC(F)=C(F)C(F)=C(F)F LGPPATCNSOSOQH-UHFFFAOYSA-N 0.000 claims description 8
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 8
- XNLICIUVMPYHGG-UHFFFAOYSA-N pentan-2-one Chemical compound CCCC(C)=O XNLICIUVMPYHGG-UHFFFAOYSA-N 0.000 claims description 8
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 claims description 6
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 6
- DKPFZGUDAPQIHT-UHFFFAOYSA-N butyl acetate Chemical compound CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 6
- BGJSXRVXTHVRSN-UHFFFAOYSA-N 1,3,5-trioxane Chemical compound C1OCOCO1 BGJSXRVXTHVRSN-UHFFFAOYSA-N 0.000 claims description 5
- VDFVNEFVBPFDSB-UHFFFAOYSA-N 1,3-dioxane Chemical compound C1COCOC1 VDFVNEFVBPFDSB-UHFFFAOYSA-N 0.000 claims description 5
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 5
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 4
- CCAFPWNGIUBUSD-UHFFFAOYSA-N diethyl sulfoxide Chemical compound CCS(=O)CC CCAFPWNGIUBUSD-UHFFFAOYSA-N 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 150000001408 amides Chemical class 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- 238000004821 distillation Methods 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 150000002576 ketones Chemical class 0.000 claims description 3
- 150000002825 nitriles Chemical class 0.000 claims description 3
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 3
- 229910004261 CaF 2 Inorganic materials 0.000 claims description 2
- 239000003960 organic solvent Substances 0.000 claims description 2
- ATTZFSUZZUNHBP-UHFFFAOYSA-N Piperonyl sulfoxide Chemical compound CCCCCCCCS(=O)C(C)CC1=CC=C2OCOC2=C1 ATTZFSUZZUNHBP-UHFFFAOYSA-N 0.000 claims 1
- 239000002798 polar solvent Substances 0.000 abstract 1
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 description 6
- 239000011698 potassium fluoride Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000003507 refrigerant Substances 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 3
- 235000003270 potassium fluoride Nutrition 0.000 description 3
- USDZGDXBEIOWCP-UHFFFAOYSA-N 1,1,2,3,4,5,6,6-octachlorohexa-1,3,5-triene Chemical compound ClC(Cl)=C(Cl)C(Cl)=C(Cl)C(Cl)=C(Cl)Cl USDZGDXBEIOWCP-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 235000011089 carbon dioxide Nutrition 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- 229910001635 magnesium fluoride Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Inorganic materials [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 150000003462 sulfoxides Chemical class 0.000 description 2
- ZSUMCLJAVFCPFL-UHFFFAOYSA-N 1,1,2,3,4,5,6,6-octafluorohexa-1,3,5-triene Chemical compound FC(F)=C(F)C(F)=C(F)C(F)=C(F)F ZSUMCLJAVFCPFL-UHFFFAOYSA-N 0.000 description 1
- YVOASHYXFVSAQN-UHFFFAOYSA-N 2,2-dichloro-1,1,1,3,3,3-hexafluoropropane Chemical compound FC(F)(F)C(Cl)(Cl)C(F)(F)F YVOASHYXFVSAQN-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 229910018287 SbF 5 Inorganic materials 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- -1 polyene compounds Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
- C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
- C07C17/202—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
- C07C17/208—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction the other compound being MX
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
- C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
- C07C17/202—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
- C07C17/206—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction the other compound being HX
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C21/00—Acyclic unsaturated compounds containing halogen atoms
- C07C21/02—Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds
- C07C21/19—Halogenated dienes
- C07C21/20—Halogenated butadienes
Definitions
- the invention relates to a process for the fluorination of perhalogenated compounds.
- the invention relates to the fluorination of perhalogenated polyunsaturated compounds in a liquid medium to form perfluoro-polyunsaturated compounds.
- Fluorinated compounds have a high potential in many fields of application. However, the use of many compounds is limited because of their preparation method is sometimes expensive and / or difficult to implement.
- perfluorinated polyunsaturated compounds such as hexafluorobutadiene is used in the etching of electronic compounds. Its preparation is carried out by various processes using coupling reactions C 2 and fluorination with fluorine F 2.
- Another synthetic route consists of implementing fluorination reactions of hexachlorobutadiene in the liquid phase. However, these reactions do not allow the total fluorination of hexachlorobutadiene to form hexafluorobutadiene.
- US Pat. No. 3,287,425 describes the fluorination of hexachlorobutadiene in the presence of potassium fluoride to form a mixture of 2,2-dichloroperfluoropropane and 2-chloro-2-hydroperfluoropropane.
- Fluorination of perchlorohexatriene was also carried out in the presence of SbF 5 at a temperature of 150 ° C to 300 ° C (US 2,431,969).
- the final product contains 12% chlorine, which implies only partial fluorination of perchlorohexatriene.
- the present invention relates to a process for preparing a polyunsaturated perfluorinated compound B from a polyunsaturated perhalogenated compound D of formula C n X2 (n-m + 1) in which
- X is independently selected from F, Cl, Br or I halogen, provided that at least one X is not fluorine;
- n is the number of carbon atoms and is at least greater than or equal to 4
- m is the number of carbon-carbon double bonds and is greater than or equal to 2; said process comprising the step of fluorinating compound D in the presence of a fluorinating agent of the general formula AF P wherein A is hydrogen, an alkali metal or an alkaline earth metal, and p is 1 or 2; and in the presence of an aprotic polar organic solvent; said method being carried out with a mole ratio AF p / compound D is less than 1.30 * 2 (n-m + 1).
- compound D is a polyunsaturated perchlorinated compound of formula C n Cl2 ( n -m + i).
- the compound D is hexachlorobutadiene.
- compound B is hexafluorobutadiene.
- the molar ratio AF p / compound D is less than 1.15 * 2 (n-m + 1).
- the fluorinating agent is LiF, KF, NaF, MgF2 or
- the aprotic polar organic solvent is selected from the group consisting of an ether, an amide, an amine, a sulfoxide, a ketone, a nitrile and an ester.
- the aprotic polar organic solvent is selected from the group consisting of 1,3-dioxane, 1,4-dioxane, 1,3,5-trioxane, tetrahydrofuran, 1,2-dimethoxyethane, dimethylsulfoxide, diethylsulfoxide and the like. , N-methylpyrrolidone, dimethylformamide, dimethylacetamide, ethyl acetate, acetone, propanone, 2-pentanone, butanone, n-butylacetate, triethylamine, pyridine and acetonitrile.
- a first stream comprising compound B, co-products of the fluorination reaction and optionally unreacted compound D is recovered and separated by distillation to form a second stream comprising the reaction co-products and the unreacted compound D and a third stream comprising compound B, preferably the co-products are of formula C n X2 (n-m + 1) as defined in the present invention in which at least one X is not a fluoride.
- a compound of formula AX P is formed and unreacted compound D is separated therefrom and then recycled; A, X and p being as defined above.
- the present invention provides a process for preparing a polyunsaturated perfluorinated compound B.
- said polyunsaturated perfluorinated compound B can be obtained from a polyunsaturated perhalogenated compound D of formula C n X2 (n-m + 1) in which:
- X is independently selected from F, Cl, Br or I halogen, provided that at least one X is not fluorine;
- n is the number of carbon atoms and is at least greater than or equal to 4
- m is the number of carbon-carbon double bonds and is greater than or equal to 2.
- said method comprises a step of fluorination of compound D in the presence of a fluorinating agent.
- the fluorinating agent is of the general formula AF P wherein A is hydrogen, an alkali metal or an alkaline earth metal, and p is 1 or 2.
- the fluorination step of compound D is carried out in the presence of an aprotic polar organic solvent.
- the process according to the present invention comprises a step of fluorinating compound D in the presence of a fluorinating agent of general formula AF P in which A is hydrogen, an alkali metal or an alkaline metal. - earthy, and p is 1 or 2; in the presence of an aprotic polar organic solvent.
- a fluorinating agent of general formula AF P in which A is hydrogen, an alkali metal or an alkaline metal. - earthy, and p is 1 or 2; in the presence of an aprotic polar organic solvent.
- the fluorination step of compound D is carried out with an AF p / compound D molar ratio of less than 1.45 * 2 (n-m + 1).
- said process according to the present invention comprises a step of fluorinating compound D in the presence of a fluorinating agent of general formula AF P in which A is hydrogen, an alkali metal or an alkaline earth metal, and p is 1 or 2; in the presence of an aprotic polar organic solvent; the molar ratio AF p / compound D being less than 1.45 * 2 (n-m + 1).
- the compound D is a polyunsaturated perchlorinated compound of formula C n Cl2 ( n -m + i).
- compound D is hexachlorobutadiene.
- the compound B may be perfluorohexatriene or hexafluorobutadiene.
- compound B is hexafluorobutadiene.
- the molar ratio AF p / compound D is less than 1.40 * 2 (n-m + 1); preferably less than 1.30 * 2 (n-m + 1), preferably less than 1.25 * 2 (n-m + 1), more preferably less than 1, 15 * 2 (n-m + 1), in particular l, 10 * 2 (n- m + 1).
- This molar ratio close to stoichiometry allows the complete fluorination of compound D unlike what is known from the prior art.
- the fluorinating agent is LiF, KF, NaF, MgF2 or CaF2 or a mixture thereof.
- the fluorinating agent is potassium fluoride KF.
- the aprotic polar organic solvent is chosen from the group consisting of an ether, an amide, an amine, a sulfoxide, a ketone, a nitrile and an ester.
- the aprotic polar organic solvent is selected from the group consisting of 1,3-dioxane, 1,4-dioxane, 1,3,5-trioxane, tetrahydrofuran, 1,2-dimethoxyethane, dimethylsulfoxide, diethylsulfoxide, N-methylpyrrolidone, dimethylformamide, dimethylacetamide, ethyl acetate, acetone, propanone, 2-pentanone, butanone, n-butylacetate, triethylamine, pyridine and acetonitrile.
- the aprotic polar organic solvent has a boiling point greater than 100 ° C at atmospheric pressure.
- the aprotic polar organic solvent is preferably 1,3-dioxane, 1,4-dioxane, 1,3,5-trioxane, N-methylpyrrolidone, dimethylformamide, dimethylacetamide, propanone, 2-pentanone, butanone, dimethylsulfoxide or diethylsulfoxide. .
- the polar aprotic organic solvent is selected from the group consisting of 1,3-dioxane, 1,4-dioxane, 1,3,5-trioxane, dimethylformamide and dimethlysulfoxide.
- the fluorination step is carried out at reflux of the solvent.
- the fluorination step is carried out for a duration of between 1 hour and 10 hours.
- a stream comprising compound B is recovered and separated by distillation from the reaction co-products and unreacted compound D.
- the co-products are of formula C n X2 (n-m + 1) as defined in the present application in which at least one X is not a fluorine.
- the coproducts of the reaction may comprise monochloropentafluoro compounds of formula C 4 F 5 CI, dichlorotetrafluoro compounds of formula C4F4Cl2.
- a compound of formula AX P is formed during the fluorination step, A, X and p being as defined above.
- the unreacted compound D is separated from this compound AX P and recycled to be used again. in the fluorination step of the present process.
- Said compound AX P may be KCl, LiCl, NaCl, MgC or CaC.
- the fluorination step is carried out in a glass reactor equipped with a double wall in which circulates a thermofluid regulated at the temperature T1, an agitator, a thermometer and surmounted by a vertical refrigerant.
- the vertical refrigerant is cooled to a temperature T2 of -4 ° C.
- the refrigerant is connected to a stainless steel gas cylinder cooled with dry ice.
- the reaction mixture is stirred and the refluxing reaction mixture is heated for 30 minutes, thus regulating the temperature T1 of the thermofluid circulating in the double wall of the reactor at 165 ° C.
- the starting material, the reaction co-products and the solvent are refluxed, whereas only hexafluorobutadiene C 4 F 6 passes through the refrigerant.
- the latter is recovered by condensation in the dry ice trap. After 6 hours the reaction is stopped. 29 g of hexafluorobutadiene measured by GPC at 99% purity are recovered.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1652922A FR3049600B1 (fr) | 2016-04-04 | 2016-04-04 | Procede de fluoration de composes perchlores. |
| PCT/FR2017/050636 WO2017174890A1 (fr) | 2016-04-04 | 2017-03-20 | Procédé de fluoration de composés perchlorés |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3440039A1 true EP3440039A1 (fr) | 2019-02-13 |
Family
ID=56087396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17717779.7A Withdrawn EP3440039A1 (fr) | 2016-04-04 | 2017-03-20 | Procédé de fluoration de composés perchlorés |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10351493B2 (fr) |
| EP (1) | EP3440039A1 (fr) |
| JP (1) | JP2019510771A (fr) |
| CN (1) | CN109071383A (fr) |
| FR (1) | FR3049600B1 (fr) |
| WO (1) | WO2017174890A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020206247A1 (fr) * | 2019-04-05 | 2020-10-08 | The Chemours Company Fc, Llc | Procédé de production de 1,1,1,4,4,4-hexafluorobut-2-ène |
| CN112321384A (zh) * | 2020-10-16 | 2021-02-05 | 浙江巨化技术中心有限公司 | 一种1,1,1,4,4,4-六氟-2-丁炔的制备方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB839756A (en) * | 1955-07-01 | 1960-06-29 | Robert Neville Haszeldine | Improvements in or relating to the preparation of 1,2,3,4-tetrahydroperfluorobutane and perfluorobutadiene |
| GB798407A (en) | 1956-11-27 | 1958-07-23 | Dow Chemical Co | Preparation of hexafluorobutadiene |
| US3287425A (en) | 1961-03-07 | 1966-11-22 | Du Pont | Fluorinated compounds and their preparation |
| GB9711588D0 (en) * | 1997-06-05 | 1997-07-30 | F2 Chemicals Limited | Solvent replacement |
| JP2005239596A (ja) * | 2004-02-25 | 2005-09-08 | Nippon Zeon Co Ltd | 不飽和フッ素化炭素化合物の精製方法 |
| JP5607354B2 (ja) * | 2009-12-28 | 2014-10-15 | ユニオン昭和株式会社 | 高純度含フッ素化合物の製造方法及びその方法で得られた高純度含フッ素化合物 |
-
2016
- 2016-04-04 FR FR1652922A patent/FR3049600B1/fr not_active Expired - Fee Related
-
2017
- 2017-03-20 EP EP17717779.7A patent/EP3440039A1/fr not_active Withdrawn
- 2017-03-20 CN CN201780020965.9A patent/CN109071383A/zh active Pending
- 2017-03-20 WO PCT/FR2017/050636 patent/WO2017174890A1/fr not_active Ceased
- 2017-03-20 JP JP2018551920A patent/JP2019510771A/ja active Pending
- 2017-03-20 US US16/090,857 patent/US10351493B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US20190112243A1 (en) | 2019-04-18 |
| CN109071383A (zh) | 2018-12-21 |
| WO2017174890A1 (fr) | 2017-10-12 |
| FR3049600B1 (fr) | 2019-10-11 |
| JP2019510771A (ja) | 2019-04-18 |
| FR3049600A1 (fr) | 2017-10-06 |
| US10351493B2 (en) | 2019-07-16 |
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