JP5833107B2 - ヘキサフルオロ−2−ブチンの製造方法 - Google Patents
ヘキサフルオロ−2−ブチンの製造方法 Download PDFInfo
- Publication number
- JP5833107B2 JP5833107B2 JP2013511377A JP2013511377A JP5833107B2 JP 5833107 B2 JP5833107 B2 JP 5833107B2 JP 2013511377 A JP2013511377 A JP 2013511377A JP 2013511377 A JP2013511377 A JP 2013511377A JP 5833107 B2 JP5833107 B2 JP 5833107B2
- Authority
- JP
- Japan
- Prior art keywords
- halogen
- catalyst
- butyne
- hexafluoro
- dehalogenation catalyst
- 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.)
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- WBCLXFIDEDJGCC-UHFFFAOYSA-N hexafluoro-2-butyne Chemical compound FC(F)(F)C#CC(F)(F)F WBCLXFIDEDJGCC-UHFFFAOYSA-N 0.000 title claims description 9
- 238000004519 manufacturing process Methods 0.000 title description 6
- 239000003054 catalyst Substances 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 23
- 229910052736 halogen Inorganic materials 0.000 claims description 20
- 150000001875 compounds Chemical class 0.000 claims description 19
- 150000002367 halogens Chemical class 0.000 claims description 19
- -1 alkyne compounds Chemical class 0.000 claims description 15
- 238000005695 dehalogenation reaction Methods 0.000 claims description 13
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 10
- 239000000460 chlorine Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 229910052801 chlorine Inorganic materials 0.000 claims description 7
- 150000001345 alkine derivatives Chemical class 0.000 claims description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000001103 potassium chloride Substances 0.000 claims description 5
- 235000011164 potassium chloride Nutrition 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 2
- AIYUHDOJVYHVIT-UHFFFAOYSA-M caesium chloride Chemical compound [Cl-].[Cs+] AIYUHDOJVYHVIT-UHFFFAOYSA-M 0.000 claims description 2
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 2
- 229910001634 calcium fluoride Inorganic materials 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 239000011651 chromium Substances 0.000 claims description 2
- 229910001507 metal halide Inorganic materials 0.000 claims description 2
- 150000005309 metal halides Chemical class 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910000510 noble metal Inorganic materials 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims 2
- 239000012876 carrier material Substances 0.000 claims 1
- 125000001559 cyclopropyl group Chemical class [H]C1([H])C([H])([H])C1([H])* 0.000 claims 1
- 125000005843 halogen group Chemical group 0.000 claims 1
- 239000011780 sodium chloride Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 13
- 238000009835 boiling Methods 0.000 description 8
- 239000000047 product Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- XNMQEEKYCVKGBD-UHFFFAOYSA-N 2-butyne Chemical compound CC#CC XNMQEEKYCVKGBD-UHFFFAOYSA-N 0.000 description 4
- 229910021591 Copper(I) chloride Inorganic materials 0.000 description 4
- UORVGPXVDQYIDP-UHFFFAOYSA-N borane Chemical compound B UORVGPXVDQYIDP-UHFFFAOYSA-N 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 4
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 238000010531 catalytic reduction reaction Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000010792 warming Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910000085 borane Inorganic materials 0.000 description 2
- KDKYADYSIPSCCQ-UHFFFAOYSA-N but-1-yne Chemical compound CCC#C KDKYADYSIPSCCQ-UHFFFAOYSA-N 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011981 lindlar catalyst Substances 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- YRCBNVMRRBIDNF-ONEGZZNKSA-N (e)-2,3-dichlorobut-2-ene Chemical compound C\C(Cl)=C(\C)Cl YRCBNVMRRBIDNF-ONEGZZNKSA-N 0.000 description 1
- SXKNYNUXUHCUHX-UHFFFAOYSA-N 1,1,2,3,3,4-hexafluorobut-1-ene Chemical compound FCC(F)(F)C(F)=C(F)F SXKNYNUXUHCUHX-UHFFFAOYSA-N 0.000 description 1
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical group ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
- WFOIWBGKCSYBJN-UHFFFAOYSA-N 1-fluorobut-1-ene Chemical compound CCC=CF WFOIWBGKCSYBJN-UHFFFAOYSA-N 0.000 description 1
- 239000004604 Blowing Agent Substances 0.000 description 1
- XFPLYENLYHKFSK-UHFFFAOYSA-N CCCC(C)BC(C)CCC Chemical compound CCCC(C)BC(C)CCC XFPLYENLYHKFSK-UHFFFAOYSA-N 0.000 description 1
- LVZWSLJZHVFIQJ-UHFFFAOYSA-N Cyclopropane Chemical compound C1CC1 LVZWSLJZHVFIQJ-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000001361 allenes Chemical class 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 238000006298 dechlorination reaction Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000006471 dimerization reaction Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/35—Preparation of halogenated hydrocarbons by reactions not affecting the number of carbon or of halogen atoms in the reaction
- C07C17/354—Preparation of halogenated hydrocarbons by reactions not affecting the number of carbon or of halogen atoms in the reaction by hydrogenation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/23—Preparation of halogenated hydrocarbons by dehalogenation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/37—Preparation of halogenated hydrocarbons by disproportionation of halogenated hydrocarbons
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Description
CF3−C≡C−CF3
の製造方法に関する。
この物質に対する重要な合成前駆体は、公知の化合物である1,1,1,4,4,4−ヘキサフルオロ−2−ブチンである。
(a)CF3CX=CXCF3(ここで、X=ハロゲン)を含む組成物を与え;そして
(b)CF3CX=CXCF3を、ハロゲン受容体化合物Y(ここで、Yは水素ではない)の存在下において脱ハロゲン化触媒で処理する;
工程を含むヘキサフルオロ−2−ブチンの製造方法に関する。
(a)CF3CX=CXCF3(ここで、X=ハロゲン)を含む組成物を与え;そして
(b)CF3CX=CXCF3を、ハロゲン受容体化合物Y(ここで、Yは水素ではない)の存在下において脱ハロゲン化触媒で処理する;
工程を含むヘキサフルオロ−2−ブチンの製造方法である。
CF3CCl=CClCF3+Y→CF3C≡CCF3+YCl2
である。
CF3CCl=CClCF3+CH2=CH2→CF3C≡CCF3+ClCH2CH2Cl
である。
CF3CCl=CClCF3+CO→CF3C≡CCF3+COCl2
である。
実施例1:
アルミナペレット上の5重量%のCuCl2及び3重量%のKClを含む触媒が本実施例のための触媒であった。CF3Cl=CClCF3と2−ブチンの気化した1:1.2混合物を、275℃において、25cc/分の合計流速で15ccの乾燥した触媒の上に通した。流出ガスをガスクロマトグラフィーによって分析した。分析は、CF3C≡CCF3及び2,3−ジクロロ−2−ブテンの両方の存在を示した。
シリカ上の22重量%のCuCl2及び5重量%のKClを含む触媒を用いて実施例1を繰り返した。反応温度は300℃であり、ハロゲン受容体は一酸化炭素(1:1のモル比)であった。流出流の分析は、CF3C≡CCF3及びホスゲンの両方の存在を示した。
本発明は以下の態様を含む。
[1]
(a)CF 3 CX=CXCF 3 (ここで、X=ハロゲン)を含む組成物を与え;そして
(b)CF 3 CX=CXCF 3 を、ハロゲン受容体化合物Y(ここで、Yは水素ではない)の存在下において脱ハロゲン化触媒で処理する;
工程を含むヘキサフルオロ−2−ブチンの製造方法。
[2]
生成物アルキンを更にシス−ヘキサフルオロ−2−ブテンに転化させる工程(c)を更に含む、[1]に記載の方法。
[3]
ハロゲンXが塩素である、[1]に記載の方法。
[4]
ハロゲン受容体化合物Yが少なくとも1つの多重結合を有する物質を含む、[1]に記載の方法。
[5]
多重結合化合物がアルキン化合物を含む、[4]に記載の方法。
[6]
多重結合化合物がアルケン化合物を含む、[4]に記載の方法。
[7]
触媒が1つの分子から他へ塩素を移動させることができる物質を含む、[1]に記載の方法。
[8]
触媒が脱ハロゲン化触媒を含む、[7]に記載の方法。
[9]
触媒がオキシ塩素化触媒を含む、[7]に記載の方法。
[10]
転化がリンドラー触媒による接触還元である、[2]に記載の方法。
Claims (8)
- (a)CF3CX=CXCF3(ここで、X=ハロゲン)を含む組成物を与え;そして
(b)CF3CX=CXCF3を、ハロゲン受容体化合物Y(ここで、Yは水素ではない)の存在下において脱ハロゲン化触媒で処理する;
工程を含むヘキサフルオロ−2−ブチンの製造方法であって、
前記脱ハロゲン化触媒が銅及びその塩からなる群から選ばれる少なくとも1種の材料であり、
前記ハロゲン受容体化合物Yがアルキン化合物、アルケン化合物、アレン化合物、一酸化炭素、及びシクロプロパン化合物からなる群から選ばれる少なくとも1種の材料である、
方法。 - 生成物アルキンを更にシス−ヘキサフルオロ−2−ブテンに転化させる工程(c)を更に含む、請求項1に記載の方法。
- ハロゲンXが塩素である、請求項1又は2に記載の方法。
- 前記脱ハロゲン化触媒が、ニッケル若しくはクロム、又は金属ハロゲン化物をさらに含む、請求項1〜3のいずれかに記載の方法。
- 前記脱ハロゲン化触媒が、アルカリ金属塩をさらに含む、請求項1〜4のいずれかに記載の方法。
- 前記アルカリ金属塩が、ナトリウムの塩化物、カリウムの塩化物、及びセシウムの塩化物からなる群から選ばれる少なくとも1種である、請求項5に記載の方法。
- 前記脱ハロゲン化触媒が、貴金属をさらに含む、請求項1〜6のいずれかに記載の方法。
- 前記脱ハロゲン化触媒が、シリカ、フッ化カルシウム、アルミナ、酸化チタン、及びこれらの組合せからなる群から選ばれる少なくとも1種の担体材料をさらに含む、請求項1〜7のいずれかに記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US34715010P | 2010-05-21 | 2010-05-21 | |
US61/347,150 | 2010-05-21 | ||
US13/110,974 | 2011-05-19 | ||
US13/110,974 US8524955B2 (en) | 2010-05-21 | 2011-05-19 | Process for the preparation of hexafluoro-2-butyne |
PCT/US2011/037298 WO2011146812A2 (en) | 2010-05-21 | 2011-05-20 | Process for the preparation of hexafluoro-2-butyne |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013529215A JP2013529215A (ja) | 2013-07-18 |
JP5833107B2 true JP5833107B2 (ja) | 2015-12-16 |
Family
ID=44973026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013511377A Active JP5833107B2 (ja) | 2010-05-21 | 2011-05-20 | ヘキサフルオロ−2−ブチンの製造方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8524955B2 (ja) |
EP (1) | EP2571836B2 (ja) |
JP (1) | JP5833107B2 (ja) |
CN (1) | CN102892737B (ja) |
ES (1) | ES2611169T5 (ja) |
WO (1) | WO2011146812A2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AR102318A1 (es) | 2014-05-15 | 2017-02-22 | Novozymes As | Composiciones que comprenden polipéptidos que tienen actividad fosfolipasa c y sus usos |
FR3040525B1 (fr) * | 2015-08-28 | 2017-08-11 | Arkema France | Utilisation d'hexafluorobutenes pour l'isolation ou l'extinction d'arcs electriques |
FR3079359B1 (fr) | 2018-03-22 | 2020-10-09 | Arkema France | Utilisation du 1-chloro-2,3,3,3-tetrafluoropropene pour l'isolation ou l'extinction d'arcs electriques |
JP6933239B2 (ja) * | 2019-02-21 | 2021-09-08 | ダイキン工業株式会社 | ハロゲン化アルケン化合物及びフッ化アルキン化合物の製造方法 |
Family Cites Families (18)
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US3150203A (en) † | 1961-12-26 | 1964-09-22 | Callery Chemical Co | Process for hydrogenation of alkenes |
US3697608A (en) † | 1968-10-02 | 1972-10-10 | Du Pont | Dechlorination process |
JPS53132504A (en) † | 1977-04-26 | 1978-11-18 | Central Glass Co Ltd | Dehalogenation of halogenated hydrocarbons |
US4192822A (en) † | 1977-10-20 | 1980-03-11 | Allied Chemical Corporation | Process for producing halogenated hydrocarbons |
US4155941A (en) † | 1977-11-28 | 1979-05-22 | Allied Chemical Corporation | Dechlorination of haloethanes using ethylene |
JPS6226239A (ja) * | 1985-05-28 | 1987-02-04 | イ−・アイ・デユポン・デ・ニモアス・アンド・カンパニ− | フルオロオレフインの接触ハロゲン交換法 |
US4734503A (en) * | 1986-02-07 | 1988-03-29 | E. I. Du Pont De Nemours And Company | Catalytic transhalogenation of haloaromatics |
US5210340A (en) | 1987-07-30 | 1993-05-11 | Bayer Aktiengesellschaft | Preparation of polyfluorobutenes |
ITMI991595A1 (it) * | 1999-07-20 | 2001-01-20 | Ausimont Spa | Procedimento per eliminare cloro dai clorofluorocarburi |
FR2822459B1 (fr) * | 2001-03-22 | 2004-07-09 | Solvay | Procede de preparation d'une olefine halogenee |
WO2005094993A1 (ja) | 2004-03-31 | 2005-10-13 | Nagoya Industrial Science Research Institute | 水素化促進剤、水素化触媒及びアルケン化合物の製法 |
EP1973718A1 (en) † | 2006-01-20 | 2008-10-01 | The Procter & Gamble Company | Modular mold system for production of product families |
JP4973653B2 (ja) * | 2006-03-31 | 2012-07-11 | 日本ゼオン株式会社 | パーフルオロアルキン化合物の製造方法 |
US8618339B2 (en) | 2007-04-26 | 2013-12-31 | E I Du Pont De Nemours And Company | High selectivity process to make dihydrofluoroalkenes |
US7795482B2 (en) * | 2007-07-03 | 2010-09-14 | E. I. Du Pont De Nemours And Company | Method of hydrodechlorination to produce dihydrofluorinated olefins |
US8143462B2 (en) * | 2007-12-17 | 2012-03-27 | E.I. Du Pont De Nemours And Company | Processes for the synthesis of 2-chloro-1,1,1,3,3,4,4,4-heptafluoro-2-butene and hexafluoro-2-butyne |
BRPI0822248A2 (pt) * | 2008-05-23 | 2019-09-24 | Du Pont | "processos para a síntese de alcenos fluorados e processo para hidrogenação" |
WO2010014548A2 (en) | 2008-07-31 | 2010-02-04 | Honeywell International Inc. | Process for the preparation of perfluorinated cis-alkene |
-
2011
- 2011-05-19 US US13/110,974 patent/US8524955B2/en active Active
- 2011-05-20 WO PCT/US2011/037298 patent/WO2011146812A2/en active Application Filing
- 2011-05-20 CN CN201180025069.4A patent/CN102892737B/zh active Active
- 2011-05-20 ES ES11784304T patent/ES2611169T5/es active Active
- 2011-05-20 JP JP2013511377A patent/JP5833107B2/ja active Active
- 2011-05-20 EP EP11784304.5A patent/EP2571836B2/en not_active Not-in-force
Also Published As
Publication number | Publication date |
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EP2571836B1 (en) | 2016-10-26 |
WO2011146812A2 (en) | 2011-11-24 |
US20110288348A1 (en) | 2011-11-24 |
ES2611169T5 (es) | 2020-05-22 |
JP2013529215A (ja) | 2013-07-18 |
EP2571836A2 (en) | 2013-03-27 |
EP2571836B2 (en) | 2019-10-23 |
EP2571836A4 (en) | 2014-08-27 |
CN102892737B (zh) | 2015-10-21 |
WO2011146812A3 (en) | 2012-04-19 |
ES2611169T3 (es) | 2017-05-05 |
US8524955B2 (en) | 2013-09-03 |
CN102892737A (zh) | 2013-01-23 |
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