WO1994014736A1 - Process for producing 1,1,1,3,3-pentafluoropropane, process for producing 1,1,1,3,3-pentafluoro-2-halogeno-3-chloropropane, and process for producing 1,1,1,2,3,3-hexachloropropene - Google Patents
Process for producing 1,1,1,3,3-pentafluoropropane, process for producing 1,1,1,3,3-pentafluoro-2-halogeno-3-chloropropane, and process for producing 1,1,1,2,3,3-hexachloropropene Download PDFInfo
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- WO1994014736A1 WO1994014736A1 PCT/JP1993/001887 JP9301887W WO9414736A1 WO 1994014736 A1 WO1994014736 A1 WO 1994014736A1 JP 9301887 W JP9301887 W JP 9301887W WO 9414736 A1 WO9414736 A1 WO 9414736A1
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- WIPO (PCT)
- Prior art keywords
- reaction
- production method
- hydrogen
- pentafluoro
- dichloropropane
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 45
- MSSNHSVIGIHOJA-UHFFFAOYSA-N pentafluoropropane Chemical compound FC(F)CC(F)(F)F MSSNHSVIGIHOJA-UHFFFAOYSA-N 0.000 title claims abstract description 14
- VFDYKPARTDCDCU-UHFFFAOYSA-N hexachloropropene Chemical compound ClC(Cl)=C(Cl)C(Cl)(Cl)Cl VFDYKPARTDCDCU-UHFFFAOYSA-N 0.000 title abstract description 3
- 238000006243 chemical reaction Methods 0.000 claims abstract description 112
- 239000003054 catalyst Substances 0.000 claims abstract description 25
- 229910052787 antimony Inorganic materials 0.000 claims abstract description 20
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000007864 aqueous solution Substances 0.000 claims abstract description 16
- XAHBEACGJQDUPF-UHFFFAOYSA-N 1,2-dichloro-1,1,3,3,3-pentafluoropropane Chemical compound FC(F)(F)C(Cl)C(F)(F)Cl XAHBEACGJQDUPF-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910000510 noble metal Inorganic materials 0.000 claims abstract description 11
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910000040 hydrogen fluoride Inorganic materials 0.000 claims abstract description 10
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims abstract description 9
- 239000003444 phase transfer catalyst Substances 0.000 claims abstract description 8
- -1 antimony halide Chemical class 0.000 claims abstract description 7
- 239000007791 liquid phase Substances 0.000 claims abstract description 4
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 32
- 238000004519 manufacturing process Methods 0.000 claims description 30
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 29
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 27
- 239000001257 hydrogen Substances 0.000 claims description 21
- 229910052739 hydrogen Inorganic materials 0.000 claims description 21
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical class CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 19
- 239000001294 propane Substances 0.000 claims description 19
- 229910052763 palladium Inorganic materials 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 239000012071 phase Substances 0.000 claims description 12
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 10
- 229910052726 zirconium Inorganic materials 0.000 claims description 10
- 229910052720 vanadium Inorganic materials 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000005984 hydrogenation reaction Methods 0.000 claims description 5
- 229910052731 fluorine Inorganic materials 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 150000005621 tetraalkylammonium salts Chemical group 0.000 claims description 3
- 125000005497 tetraalkylphosphonium group Chemical group 0.000 claims description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 3
- JRHNUZCXXOTJCA-UHFFFAOYSA-N 1-fluoropropane Chemical compound CCCF JRHNUZCXXOTJCA-UHFFFAOYSA-N 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims 4
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims 3
- IJKVHSBPTUYDLN-UHFFFAOYSA-N dihydroxy(oxo)silane Chemical class O[Si](O)=O IJKVHSBPTUYDLN-UHFFFAOYSA-N 0.000 claims 1
- 150000002431 hydrogen Chemical class 0.000 claims 1
- YFIIENAGGCUHIQ-UHFFFAOYSA-N 1,1,1,2,2,3,3-heptachloropropane Chemical compound ClC(Cl)C(Cl)(Cl)C(Cl)(Cl)Cl YFIIENAGGCUHIQ-UHFFFAOYSA-N 0.000 abstract description 13
- 238000003682 fluorination reaction Methods 0.000 abstract description 5
- 239000000047 product Substances 0.000 description 28
- 239000002994 raw material Substances 0.000 description 22
- 239000012044 organic layer Substances 0.000 description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 12
- 150000001875 compounds Chemical class 0.000 description 10
- 238000003756 stirring Methods 0.000 description 10
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 8
- 238000006722 reduction reaction Methods 0.000 description 8
- 239000006227 byproduct Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 229910001873 dinitrogen Inorganic materials 0.000 description 6
- 238000010574 gas phase reaction Methods 0.000 description 6
- 239000000543 intermediate Substances 0.000 description 6
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- FAPDDOBMIUGHIN-UHFFFAOYSA-K antimony trichloride Chemical compound Cl[Sb](Cl)Cl FAPDDOBMIUGHIN-UHFFFAOYSA-K 0.000 description 5
- 235000008429 bread Nutrition 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 4
- 235000019341 magnesium sulphate Nutrition 0.000 description 4
- GSUYOAATQQUQDM-UHFFFAOYSA-N 1,2-dichloro-3-fluoropropane Chemical compound FCC(Cl)CCl GSUYOAATQQUQDM-UHFFFAOYSA-N 0.000 description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- 239000001110 calcium chloride Substances 0.000 description 3
- 229910001628 calcium chloride Inorganic materials 0.000 description 3
- 235000011089 carbon dioxide Nutrition 0.000 description 3
- 150000001768 cations Chemical class 0.000 description 3
- 239000007806 chemical reaction intermediate Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000007033 dehydrochlorination reaction Methods 0.000 description 3
- 238000004817 gas chromatography Methods 0.000 description 3
- 229910000000 metal hydroxide Inorganic materials 0.000 description 3
- 150000004692 metal hydroxides Chemical class 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- NHGXDBSUJJNIRV-UHFFFAOYSA-M tetrabutylammonium chloride Chemical compound [Cl-].CCCC[N+](CCCC)(CCCC)CCCC NHGXDBSUJJNIRV-UHFFFAOYSA-M 0.000 description 3
- WFHFXEYKXJKYMG-UHFFFAOYSA-N 1,1,2-trichloro-1,3,3,3-tetrafluoropropane Chemical compound FC(F)(F)C(Cl)C(F)(Cl)Cl WFHFXEYKXJKYMG-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- RZKSECIXORKHQS-UHFFFAOYSA-N Heptan-3-ol Chemical compound CCCCC(O)CC RZKSECIXORKHQS-UHFFFAOYSA-N 0.000 description 2
- 101150107341 RERE gene Proteins 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- GUNJVIDCYZYFGV-UHFFFAOYSA-K antimony trifluoride Chemical compound F[Sb](F)F GUNJVIDCYZYFGV-UHFFFAOYSA-K 0.000 description 2
- 239000007810 chemical reaction solvent Substances 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910000856 hastalloy Inorganic materials 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- XKBGEWXEAPTVCK-UHFFFAOYSA-M methyltrioctylammonium chloride Chemical compound [Cl-].CCCCCCCC[N+](C)(CCCCCCCC)CCCCCCCC XKBGEWXEAPTVCK-UHFFFAOYSA-M 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- QMMOXUPEWRXHJS-HYXAFXHYSA-N (z)-pent-2-ene Chemical compound CC\C=C/C QMMOXUPEWRXHJS-HYXAFXHYSA-N 0.000 description 1
- XDZRPDFODQAIFV-UHFFFAOYSA-N 1,1,1,2,2,3,3-heptachlorobutane Chemical compound CC(Cl)(Cl)C(Cl)(Cl)C(Cl)(Cl)Cl XDZRPDFODQAIFV-UHFFFAOYSA-N 0.000 description 1
- QGYLHZMNVGBXDQ-UHFFFAOYSA-N 1,1-dichloro-2,3,3,3-tetrafluoroprop-1-ene Chemical compound ClC(Cl)=C(F)C(F)(F)F QGYLHZMNVGBXDQ-UHFFFAOYSA-N 0.000 description 1
- KNKRKFALVUDBJE-UHFFFAOYSA-N 1,2-dichloropropane Chemical compound CC(Cl)CCl KNKRKFALVUDBJE-UHFFFAOYSA-N 0.000 description 1
- IBQFTAQXUFAALH-UHFFFAOYSA-N 2,3,3-trichloroprop-1-ene Chemical compound ClC(Cl)C(Cl)=C IBQFTAQXUFAALH-UHFFFAOYSA-N 0.000 description 1
- 239000004604 Blowing Agent Substances 0.000 description 1
- 229910002651 NO3 Chemical class 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical class [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 229910001514 alkali metal chloride Inorganic materials 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 150000001462 antimony Chemical class 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- VBQDSLGFSUGBBE-UHFFFAOYSA-N benzyl(triethyl)azanium Chemical compound CC[N+](CC)(CC)CC1=CC=CC=C1 VBQDSLGFSUGBBE-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229940125904 compound 1 Drugs 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N hexane Substances CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-M hydrogensulfate Chemical compound OS([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 description 1
- 150000008040 ionic compounds Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910001510 metal chloride Inorganic materials 0.000 description 1
- ZUZLIXGTXQBUDC-UHFFFAOYSA-N methyltrioctylammonium Chemical compound CCCCCCCC[N+](C)(CCCCCCCC)CCCCCCCC ZUZLIXGTXQBUDC-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000005324 oxide salts Chemical class 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000007958 sleep Effects 0.000 description 1
- 150000003431 steroids Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- BJQWBACJIAKDTJ-UHFFFAOYSA-N tetrabutylphosphanium Chemical compound CCCC[P+](CCCC)(CCCC)CCCC BJQWBACJIAKDTJ-UHFFFAOYSA-N 0.000 description 1
- IBWGNZVCJVLSHB-UHFFFAOYSA-M tetrabutylphosphanium;chloride Chemical compound [Cl-].CCCC[P+](CCCC)(CCCC)CCCC IBWGNZVCJVLSHB-UHFFFAOYSA-M 0.000 description 1
- 229950011008 tetrachloroethylene Drugs 0.000 description 1
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C19/00—Acyclic saturated compounds containing halogen atoms
- C07C19/08—Acyclic saturated compounds containing halogen atoms containing fluorine
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C19/00—Acyclic saturated compounds containing halogen atoms
- C07C19/08—Acyclic saturated compounds containing halogen atoms containing fluorine
- C07C19/10—Acyclic saturated compounds containing halogen atoms containing fluorine and chlorine
- C07C19/12—Acyclic saturated compounds containing halogen atoms containing fluorine and chlorine having two carbon atoms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/06—Halogens; Compounds thereof
- B01J27/08—Halides
-
- 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
- C07C17/21—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms with simultaneous increase of the number of halogen atoms
-
- 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
- C07C17/25—Preparation of halogenated hydrocarbons by splitting-off hydrogen halides from halogenated hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C19/00—Acyclic saturated compounds containing halogen atoms
- C07C19/08—Acyclic saturated compounds containing halogen atoms containing fluorine
- C07C19/10—Acyclic saturated compounds containing halogen atoms containing fluorine and chlorine
Definitions
- the present invention is a refrigerant, dehydration, washing ⁇ !
- the present invention relates to a method for producing 3-hexachlorobutene pen.
- 1,1,1,3,3-pentafluoro-2-hapigeno-3-chloropropane itself is useful as a drug intermediate, and various refrigerants by performing fluorination or reduction.
- Departure ⁇ ! , Wash ⁇ ! It is an industrially useful compound that can be derived into hydrofluorocarbons as substitutes for HCFCs and CFCs, and can be derived into various resin monomers by dehydrochlorination.
- 1,1,1,3,3-pentaful Olor 2,3-dichloro-n-propane can be useful as a raw material for 1,1,1,3,3-pentafluoropropane.
- 1,1,1,2,3,3-hexaclopropene is useful as an intermediate for various gjg drugs, and various fluorine compounds can be obtained by fluorinating the chlorine of this lip with HF. It is a useful raw material that can synthesize an intermediate of In particular, it is useful as a raw material for 1,1,1,3,3-pentafluoro-2,3-dichloropropane (HCFC225da).
- 1,1,1,2,3,3-hexaclo ⁇ -propene is synthesized by dehydrochlorination of 1,1,1,2,2,3,3-heptachloropropane.
- 1,1,1,2,2,3,3-heptachloropropane is a raw material that can be easily synthesized from the effec- .
- 1,1,1,2,3,3-hexaclomouth proben has been prepared by using an alcohol as a solvent and an alkali metal hydroxide such as KOH.
- an alkali metal hydroxide such as KOH.
- a method of synthesizing 2,2,3,3-heptachloropropane using ffi & j ⁇ acid is known (J. Am. Chem. Soc., 63, 1438 (1941)).
- 1,1,1,2,2,3,3-butachlorobutane can be obtained from ⁇ bread by passing through a reaction tube heated to about 400 ° C, but this reaction is high. As is, it is necessary to use an expensive metal for the material of the reaction tube because HC1 is generated by the reaction.
- a first object of the present invention is to provide a method capable of sufficiently removing 1,1,1,3,3-benzofluoropropane (HFC 245 fa) at a high selectivity without the above-mentioned problems. It is in.
- a second object of the present invention is to solve the above-mentioned problem in the conventional method of 1,1,1,3,3-pentafluoro-2-halogeno-13-chloropropane by the above-mentioned method, and at a low cost and easily.
- the aim is to implement an industrial production method that can produce 1,1,1,3,3-pentafluoro-2-halogeno-3-chloropropane (especially HCFC225 da) at a high yield.
- a third object of the present invention is to solve the above-described problems of the conventional technology, and to implement industrially easily, and to 1,1,1,1,2,3,3-hexachloropropene.
- the method is to make ⁇
- the present inventors have conducted intensive studies on a method for producing 1,1,1,3,3-pentafluoropropane to solve the above-mentioned problems.
- the gist of the first invention is that 1,1,1,1,3,3-pentafluoro-2,3-dichloropropane is used as a raw material and a temperature of 30 to 450 particularly in the presence of a noble metal catalyst such as palladium.
- a 1,2,3,3-pentafluoropropane is formed at a selectivity of 80% or more by performing a hydrogen reduction reaction in a gas phase method.
- the method of the gas phase reaction may be a fixed bed type gas phase reaction, a fluidized bed type gas phase reaction, or the like.
- Examples of the noble metal of the noble metal catalyst include palladium and platinum, and palladium is preferred in terms of selectivity of the reaction, that is, the amount of by-products generated is small. Those supported on at least one type of carrier are preferred.
- the particle size of the carrier has little effect on the reaction, but preferably 0.1 to 100 is preferred.
- the supported concentration can be widely used as 0.05 to 10 (weight), but usually 0.5 to 5% supported product is recommended.
- the reaction temperature is usually 30 to 450, preferably 70 to 400.
- the ratio of hydrogen to the raw material can vary greatly.
- hydrogenation is usually carried out using at least a stoichiometric amount of hydrogen.
- stoichiometric amounts for example 8 moles or more, of hydrogen can be used, based on the total moles of starting material.
- the pressure of the reaction is not particularly limited, and it is possible to perform the reaction under pressure, reduced pressure, or normal pressure. However, it is preferable to carry out the reaction under pressure or normal pressure because the operation becomes complicated under reduced pressure.
- the contact time is usually between 0.1 and 300 seconds, especially between 1 and 30 seconds.
- the raw material 1,1,1,3,3-pentafluoro-2,3-dichlorobutane is a known compound, and the 1,1,1-trifluoro-2,3,3-trichloropropane fluorine (ET cBEE, ANTHONY TRUCHAN and R. 0. BOLT, J. Amer. Chem. Soc., Vol 70. 2023-2024 (1948)).
- the present inventor has intensively studied a method for producing 1,1,1,3,3-pentafluoropropane in order to solve the above-mentioned problems.
- the gist of the second invention is that at least one element selected from zirconium and vanadium is added to palladium using 1,1,1,3,3-pentanofluoro-2,3-dichloropipropane as a raw material.
- a water-M source reaction is carried out in a gas phase method, particularly at i3 ⁇ 4g of 30 to 450 at i3 ⁇ 4g, with a yield of 80% or more, resulting in 1,1,1,3,3-
- the second invention it is particularly important to carry out a water-S-source reaction by a gas phase method using a catalyst in which at least one element selected from zirconium and vanadium is added to palladium.
- a method of the gas phase reaction a method such as a fixed bed type gas phase reaction and a fluidized bed type gas phase reaction can be used.
- the amount of zirconium and z or vanadium to be added to palladium is usually 0.01 to 4, preferably 0.1 to 2 in mole ratio.
- the catalyst to which at least one element selected from zirconium and vanadium is added is preferably a catalyst supported on a carrier comprising at least one selected from activated carbon, silica gel, titanium oxide, zirconium, and the like.
- the metal to be supported may be in the form of a salt, and a nitrate, an oxide salt, an oxide, a chloride, or the like can be used for this.
- the particle size of the carrier has little effect on the reaction, but preferably ranges from 0.1 to 100 sleeps.
- the loading concentration a wide range from 0.05 to 10% can be used.
- the reaction is usually 30 to 450, preferably 70 to 400.
- the ratio of hydrogen to the raw material can vary greatly.
- hydrogenation is usually carried out using at least a stoichiometric amount of hydrogen. Based on the total moles of starting material, much more than f ⁇ stoichiometric amounts can be used, for example 8 moles or more of hydrogen.
- the pressure of the reaction is not particularly limited, and the reaction can be performed under increased pressure, reduced pressure, or normal pressure. However, since the apparatus becomes complicated under reduced pressure, it is preferable to perform the reaction under increased pressure or normal pressure.
- the contact time is usually 0.1 to 300 seconds, especially 1 to 30 seconds.
- the present inventor has set out to solve the above-mentioned problem.
- the halogenated propene of the above general formula I is fluorinated in the presence of a trihalogenated antimony fluorinated antimony chloride and HF to form 1,1,1,3,3 —Pentafluoro-2-halogeno 3-chloro mouth This is for the production of propane.
- HF fluorination reaction
- the fluorination reaction proceeds more rapidly as the fluorine content increases, and chlorination as a by-product It has been found that product formation can be suppressed.
- the fluorine content of the antimony trihalides and / or the antimony trivalent pentagenium is kept high. Also, they have found that 1,1,1,1,3,3-pentenefluoro-2-logeno-3-clopropane can be synthesized with good selectivity by promoting the fi3 ⁇ 4H reaction, and completed the third invention.
- the amount of HF in the reactor is the sum of the HF that is not consumed and the amount that is accompanied by the effluent. That is, this keeps the amount of HF in the reaction system constant. However, fluctuations in the capacity of the reactor are permitted as long as the excess rate of HF can be maintained. Before the reaction, all the required amount of HF can be introduced into the reactor.
- the amount of halogenated propene introduced in the reactor per hour (the rate of introduction) must be smaller than the amount of antimony chloride added to the system, but it should not be reduced. However, it is not preferable because the production amount per reactor capacity is reduced.
- the amount of halogenated propene to be introduced is usually set to 100 times mol ZHr or less and 2 times mol ZHr or more with respect to the amount of antimony chloride. It is preferable that the molar ratio be 50 times mol / Hr or less and 5 times mol / Hr or more.
- reaction temperature is 40 or more, the reaction proceeds, but in that case, the selectivity is reduced unless the amount of the halogenated propene introduced into the succinated antimony fluoride is reduced.
- reaction pressure the n reaction pressure must be maintained at a reaction temperature accordance connection higher It is practically desirable to carry out the reaction in the range of 50 to 150, since keeping it high increases equipment costs.
- the reaction pressure is raised according to the reaction, the partial ⁇ of HF with the product in line Utame, choose a suitable pressure in the range of S KgZciB 2 of 30KgZcm 2. Then, while keeping the reaction at a constant level, the halogenated propene, which is the raw material, is slowly charged into the reaction system, and hydrogen fluoride is also charged to generate 1,1,1,3,3.
- the desired product can be obtained in high yield by extracting the halogeno-3-propane ⁇ -propane.
- the reaction should be performed with hydrogen fluoride at least 5 times the molar amount of antimony fluoride, and it is desirable to carry out the reaction at a concentration of .500 times or less. More preferably, HF having a molar ratio of 50 to 200 times is used.
- the antimony trihalide and antimony pentahalide that can be used in the third invention are, in addition to the above, a mixture of SbF 8 and SbCl s or SbF 8 converted to “ ⁇ SbCl 2 F 8 by Cl 2. Etc. can be used.
- the present inventor has conducted intensive studies to solve the above-mentioned problems.
- the fourth invention by finding that the reaction proceeds under mild reaction conditions by reacting an aqueous metal hydroxide solution such as an 0 H aqueous solution with an appropriate phase transfer catalyst.
- the fourth invention comprises reacting 1,1,1,1,2,2,3,3-heptachloropropionone with an aqueous solution of an alkali metal hydroxide in the presence of a phase transfer catalyst.
- the present invention relates to a method for producing 1,1,1,1,2,3,3-hexaclomouth propene.
- ionic compounds such as metal hydroxides do not dissolve in heptachlorpropane. Therefore, the reaction is generally performed using a compatible solvent such as alcohol. However, in this method, after the reaction, the used reaction solvent must be separated from the target product. It is also conceivable to carry out the reaction in a two-phase system by mixing an aqueous solution of an alkali metal hydroxide. However, when the reaction is carried out in a two-phase system, the reaction is generally slow and intense. Becomes ⁇ .
- phase transfer catalyst particularly a tetraalkylammonium salt or a tetraalkylphosphonium salt as shown below, the reaction was found to proceed promptly under mild conditions. .
- Examples of the cation of the tetraalkylammonium salt used for the reaction include benzyltriethylammonium, trioctylmethylammonium, trimethylammonium, and tetrabutylammonium. .
- Examples of the cation of the tetraalkylphosphonium salt include tetrabutylphosphonium and trioctylethylphosphonium.
- the anion forming the salt with the above cation is not limited, but generally includes chloride ion, hydrogen sulfate ion and the like.
- alkali metal hydroxide examples include NaOH and KOH.
- concentration of the aqueous solution of this alkali metal hydroxide The reaction is not limited, but may be 5 to 50%, preferably 20 to 40%.
- aqueous solutions can be reused after the reaction by removing the generated alkali metal chlorides by a method such as precipitation or filtration, and then adding an alkali metal hydroxide again.
- the reaction is carried out in a two-phase system, the phases are easily separated, and the target compound 1, 1, 1, 2,
- a 3,3-hexaclopropene compound is obtained.
- the resulting ⁇ ⁇ -product can be easily purified by distillation, and the used catalyst and unreacted heptachlorobutane pan can be recovered.
- Reaction a3 ⁇ 4 is usually performed at room temperature to 80, preferably at 40 to 60.
- the raw material 1,1,1,2,2,3,3-heptachloropropane can be obtained by reacting tetrachloroethylene and chloroform in the presence of a medium such as aluminum chloride or a medium (particularly). (See Kaikai 61-118333) o
- the product obtained by the SBi method of each invention can be used as follows.
- the 1,1,1,2,3,8 monohexaclopropene obtained by the ⁇ method is used as a raw material, and the 1,1,1,3,3- Lead to pentafluoro-2,3-dichlorobronopine, and lead to 1,1,1,3,3-pentafluoropropane by the production method of the first invention or the second invention.
- the target product can be obtained in a low yield from easily available raw materials, and the process is excellent in economic efficiency.
- the 1,1,1,2,3,3-hexaclo ⁇ -propene obtained by the! T method of the fourth invention is converted into 1,1,1,3,3- by the Sit method of the third invention.
- Penyu fluoro-2,3-dichropropane leads to propane to produce Can be taken out as a thing.
- the 1,1,1,3,3-pentafluoro-2,3-dichloropropane obtained by the production method of the third invention is used as a raw material, and this is used as the production method of the first invention or the second invention.
- This series of steps has the advantage that 1,1,1,3,3-pentafluoropropane, which is important as a urethane blowing agent, can be obtained in high yield.
- the first and second inventions use 1,1,1,3,3-pentanofluoro-2,3 dichloropropane as a raw material and in the presence of a noble metal catalyst such as a palladium catalyst, particularly at a temperature of 30 to 450 ° C. Since the hydrogen reduction reaction is performed, 1,1,1,3,3-pentafluoropropane can be produced with a ⁇ selectivity of 80% or more.
- a noble metal catalyst such as a palladium catalyst
- the halogenated propene of the general formula I is converted into a liquid phase with hydrogen fluoride at least 5 times the molar amount of the antimony halide in the presence of the antimony trihalide and Z or the antimony pentahalide. Fluorination to provide an industrial production method capable of producing 1,1,1,3,3-pentenefluoro-2-halogeno-13-chloropropane easily and with high yield. Further, in the fourth invention, 1,1,1,2,2,3,3-heptachloropropane is reacted with an aqueous solution of alkali metal hydroxide in the presence of a phase transfer catalyst. The 1,1,1,2,3,3-hexaclopropene can be produced industrially easily and inexpensively.
- a reaction tube made of SUS316 having an inner diameter of 2 cm and a length of 40 cm was filled with i $ 20 cc of palladium supported on activated carbon at a concentration of 0.5%, and heated to 250 in a furnace while flowing nitrogen gas. After reaching the predetermined temperature, the nitrogen gas was changed to hydrogen gas and flowed for a while.
- the target compound can be obtained by the reaction based on the first invention with a 100% conversion and a 80% or more selectivity.
- a reaction tube made of SUS316 with an inner diameter of 2 cm and a length of 40 cm was filled with 20 cc of activated carbon loaded with 0.5% of palladium and 0.25% of zirconium, and the temperature was reduced to 250 in an electric furnace while flowing nitrogen gas. Heated. After reaching the predetermined ⁇ 3 ⁇ 4 ⁇ , the nitrogen gas was changed to hydrogen gas and flowed for a while.
- a reaction tube made of SUS316 with an inner diameter of 2 cm and a length of 40 cra is filled with 20 cc of activated carbon loaded with 0.5% of palladium and 0.25% of vanadium, and the mixture is heated in an electric furnace while flowing nitrogen gas. Heated. After reaching a predetermined temperature, the nitrogen gas was changed to hydrogen gas and flowed for a while.
- Example 6 The reaction was carried out in the same manner as in Example 5, except that the amount of S4 in the hydrogen gas was changed to 280 ccZ and the amount of 1,1,1,3,3-pentafluoro-2,3-dichloropropane was changed to 32 ccZ. The results are shown in Table 2.
- the target compound can be obtained by the reaction according to the second invention with a high selectivity of 80% or more at a reaction rate of 100%.
- the main by-product was the reaction intermediate 1,1,1,3-tetrafluoro-2,3,3-trichloropropane, and no chlorine-added propane halide was observed. ⁇
- the SbCl 5 in 500ral Hasuteroi made O one Tokureipu with condenser 29.9g (O.lraol), Gyotsu 7 0 the reaction in the same manner as in Example 7 except that the SbF 8 were placed 17.9g (O.lraol)
- a product 196 g of an organic substance was obtained.
- GLC confirmed that 98% of the product was the target 1,1,1,3,3-pentafluoro-2,3-dichloropropane (yield 94%).
- the main by-product was 1,1,1-tetrafluoro 2,3,3-trichlorobroban, and no compound with chlorine was found.
- reaction solution was transferred to a separating funnel, and the organic layer was separated. After washing twice with a saturated saline solution, the extract was dried over magnesium sulfate to obtain 237 g (95%) of crude 1,1,1,2,3,3-hexacloopene proben.
- reaction solution was transferred to a separating port, and the organic layer was separated. After washing twice with a saturated saline solution and drying over magnesium sulfate, 232 g (93%) of crude 1,1,1,2,3,3-hexaclopropene was obtained.
- the temperature was held at 40 e C, with vigorous stirring, it was added dropwise over 1 hour 20% KOH aqueous solution 250Ral. After the addition, the stirring was stopped and the lower organic layer was analyzed.
- the raw material 1,1,1,2,2,3,3-butanechlorobutane disappears, and the organic layer is only 1,1,1,2,3,3-hexane ⁇ propene.
- reaction solution was transferred to a separating funnel, and the organic layer was separated. After washing twice with a saturated saline solution, the extract was dried over magnesium sulfate to obtain 237 g (95%) of crude 1,1,1,2,3,3-hexaclopropene.
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Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU57161/94A AU669772B2 (en) | 1992-12-29 | 1993-12-24 | Process for producing 1,1,1,3,3-pentafluoropropane, process for producing 1,1,1,3 3-pentafluoro-2-halogeno-3-chloropropane, and process for producing 1,1,1,2,3,3-hexachloropropene |
EP94903065A EP0677503B1 (en) | 1992-12-29 | 1993-12-24 | Process for producing 1,1,1,3,3-pentafluoropropane |
US08/464,834 US5659093A (en) | 1992-06-10 | 1993-12-24 | Method of producing 1,1,1,3,3-pentafluoropropane, a method of producing 1,1,1,3,3-pentafluoro-2-halogeno-3-chloropropane, and a method of producing 1,1,1,2,3,3-hexachloropropene |
DE69324377T DE69324377T2 (de) | 1992-12-29 | 1993-12-24 | Verfahren zur herstellung von 1,1,1,3,3-pentafluoropropan |
JP51501194A JP3248184B2 (ja) | 1992-12-29 | 1993-12-24 | 1,1,1,3,3‐ペンタフルオロプロパンの製造方法,及び1,1,1,3,3‐ペンタフルオロ‐2,3‐ジクロロプロパンの製造方法 |
BR9307753A BR9307753A (pt) | 1992-12-29 | 1993-12-24 | Um método para a produção de 1,1,1,3,3-pentafluorpropano,um método para a produção de 1,1,1,3,3-pentaflúor-2-halogeno-3-cloropropano e um método para a produção de 1,1,1,3,3-hexacloropropeno |
KR1019950702701A KR0171486B1 (en) | 1992-12-29 | 1995-06-29 | Process for producing 1,1,1,3,3-pentafluoropropane |
KR1019980705723A KR100205618B1 (en) | 1992-12-29 | 1998-07-24 | Producing for producing 1,1,1,3,3-pentafluoro-2-halogeno-3-chloropropane. |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP36096592 | 1992-12-29 | ||
JP4/360964 | 1992-12-29 | ||
JP4/360965 | 1992-12-29 | ||
JP36096492 | 1992-12-29 | ||
JP5/165229 | 1993-06-10 | ||
JP16522993 | 1993-06-10 |
Publications (1)
Publication Number | Publication Date |
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WO1994014736A1 true WO1994014736A1 (en) | 1994-07-07 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1993/001887 WO1994014736A1 (en) | 1992-06-10 | 1993-12-24 | Process for producing 1,1,1,3,3-pentafluoropropane, process for producing 1,1,1,3,3-pentafluoro-2-halogeno-3-chloropropane, and process for producing 1,1,1,2,3,3-hexachloropropene |
Country Status (12)
Country | Link |
---|---|
US (2) | US5659093A (ja) |
EP (2) | EP0677503B1 (ja) |
JP (2) | JP3248184B2 (ja) |
KR (2) | KR0171486B1 (ja) |
AT (2) | ATE178576T1 (ja) |
AU (1) | AU669772B2 (ja) |
BR (1) | BR9307753A (ja) |
CA (1) | CA2152940C (ja) |
DE (2) | DE69324377T2 (ja) |
ES (1) | ES2131669T3 (ja) |
RU (1) | RU2114813C1 (ja) |
WO (1) | WO1994014736A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995013256A1 (fr) * | 1993-11-12 | 1995-05-18 | Daikin Industries, Ltd. | Procede de production de 1,1,1,3,3-pentafluoropropane__________ |
US6060628A (en) * | 1995-02-28 | 2000-05-09 | Daikin Industries Ltd. | Manufacturing method for 1,1,1,3,3-pentafluoropropane |
US6313359B1 (en) | 2000-07-17 | 2001-11-06 | Honeywell International Inc. | Method of making hydrofluorocarbons |
US7288211B2 (en) | 1999-03-15 | 2007-10-30 | Honeywell International Inc. | Hydrofluorocarbon blown foam and method for preparation thereof |
WO2023210724A1 (ja) * | 2022-04-28 | 2023-11-02 | 関東電化工業株式会社 | 1,1,1,3,5,5,5-ヘプタフルオロ-2-ペンテンの製造方法 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
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US6235951B1 (en) * | 1996-01-17 | 2001-05-22 | Central Glass Company, Limited | Method for producing 1,1,1,3,3-pentafluoropropane |
US5763706A (en) * | 1996-07-03 | 1998-06-09 | Alliedsignal Inc. | Process for the manufacture of 1,1,1,3,3-pentafluoropropane and 1,1,1,3,3,3-hexafluoropropane |
WO2001040151A1 (fr) * | 1999-11-29 | 2001-06-07 | Daikin Industries, Ltd. | Procede de production d'halogenofluorocarbones |
US7329786B2 (en) * | 2001-09-28 | 2008-02-12 | Great Lakes Chemical Corporation | Processes for producing CF3CFHCF3 |
US20050038302A1 (en) * | 2003-08-13 | 2005-02-17 | Hedrick Vicki E. | Systems and methods for producing fluorocarbons |
US20230150900A1 (en) * | 2004-04-29 | 2023-05-18 | Honeywell International Inc. | Method for producing fluorinated organic compounds |
US9024092B2 (en) * | 2006-01-03 | 2015-05-05 | Honeywell International Inc. | Method for producing fluorinated organic compounds |
GB0806389D0 (en) * | 2008-04-09 | 2008-05-14 | Ineos Fluor Holdings Ltd | Process |
GB0806419D0 (en) * | 2008-04-09 | 2008-05-14 | Ineos Fluor Holdings Ltd | Process |
CN102666817A (zh) * | 2009-10-26 | 2012-09-12 | 国际壳牌研究有限公司 | 润滑组合物 |
CN102040586B (zh) * | 2010-11-10 | 2012-12-12 | 兰州安杰利生物化学科技有限公司 | 4,5-二氯-1,2-二硫环戊烯酮的合成方法 |
MY156657A (en) | 2010-12-16 | 2016-03-15 | Tokuyama Corp | Method of producing a chlorinated hydrocarbon having 3 carbon atoms |
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US2637747A (en) * | 1948-01-23 | 1953-05-05 | Purdue Research Foundation | Fluorination |
US2724004A (en) * | 1952-04-08 | 1955-11-15 | Goodrich Co B F | Preparation of 1, 1-difluoro-1, 2, 2-trichloroethane |
US2942036A (en) * | 1957-12-13 | 1960-06-21 | Allied Chem | Manufacture of halopropane |
US3639493A (en) * | 1968-02-28 | 1972-02-01 | Du Pont | Dehydrohalogenation of halogenated compounds |
IT7849068A0 (it) * | 1977-04-28 | 1978-04-26 | Bayer Ag | Procedimento per produrre 1/1/1-tri fluoro-2-cloroetano |
JPS635037A (ja) * | 1986-06-25 | 1988-01-11 | Osaka Soda Co Ltd | 2,3−ジクロル−1−プロペンの製法 |
DE68912657T2 (de) * | 1988-06-21 | 1994-09-01 | Asahi Glass Co Ltd | Verfahren zur Herstellung von 1,1,1,2-Tetrafluorethan. |
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DE4305164A1 (de) * | 1993-02-19 | 1994-08-25 | Bayer Ag | Verfahren zur Herstellung von 1,1,1,3,3-Pentafluorpropan |
-
1993
- 1993-12-24 ES ES94903065T patent/ES2131669T3/es not_active Expired - Lifetime
- 1993-12-24 BR BR9307753A patent/BR9307753A/pt not_active IP Right Cessation
- 1993-12-24 DE DE69324377T patent/DE69324377T2/de not_active Expired - Fee Related
- 1993-12-24 EP EP94903065A patent/EP0677503B1/en not_active Expired - Lifetime
- 1993-12-24 AT AT94903065T patent/ATE178576T1/de active
- 1993-12-24 WO PCT/JP1993/001887 patent/WO1994014736A1/ja active IP Right Grant
- 1993-12-24 JP JP51501194A patent/JP3248184B2/ja not_active Expired - Fee Related
- 1993-12-24 AU AU57161/94A patent/AU669772B2/en not_active Ceased
- 1993-12-24 CA CA002152940A patent/CA2152940C/en not_active Expired - Fee Related
- 1993-12-24 DE DE69329399T patent/DE69329399T2/de not_active Expired - Fee Related
- 1993-12-24 AT AT98101014T patent/ATE196132T1/de not_active IP Right Cessation
- 1993-12-24 RU RU95114401/04A patent/RU2114813C1/ru not_active IP Right Cessation
- 1993-12-24 US US08/464,834 patent/US5659093A/en not_active Expired - Fee Related
- 1993-12-24 EP EP98101014A patent/EP0844225B1/en not_active Expired - Lifetime
-
1995
- 1995-06-29 KR KR1019950702701A patent/KR0171486B1/ko not_active IP Right Cessation
-
1997
- 1997-03-10 US US08/811,367 patent/US5763705A/en not_active Expired - Fee Related
-
1998
- 1998-07-24 KR KR1019980705723A patent/KR100205618B1/ko not_active IP Right Cessation
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2001
- 2001-05-25 JP JP2001156192A patent/JP2001322956A/ja active Pending
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JPS59108727A (ja) * | 1982-11-29 | 1984-06-23 | イ−・アイ・デユポン・デ・ニモアス・アンド・カンパニ− | 改良脱ハロゲン化水素法 |
WO1990008753A1 (en) * | 1989-02-02 | 1990-08-09 | Asahi Glass Company Ltd. | Process for producing a hydrogen-containing 2,2-difluoropropane |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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WO1995013256A1 (fr) * | 1993-11-12 | 1995-05-18 | Daikin Industries, Ltd. | Procede de production de 1,1,1,3,3-pentafluoropropane__________ |
US6060628A (en) * | 1995-02-28 | 2000-05-09 | Daikin Industries Ltd. | Manufacturing method for 1,1,1,3,3-pentafluoropropane |
US7288211B2 (en) | 1999-03-15 | 2007-10-30 | Honeywell International Inc. | Hydrofluorocarbon blown foam and method for preparation thereof |
US6313359B1 (en) | 2000-07-17 | 2001-11-06 | Honeywell International Inc. | Method of making hydrofluorocarbons |
WO2023210724A1 (ja) * | 2022-04-28 | 2023-11-02 | 関東電化工業株式会社 | 1,1,1,3,5,5,5-ヘプタフルオロ-2-ペンテンの製造方法 |
Also Published As
Publication number | Publication date |
---|---|
KR960700211A (ko) | 1996-01-19 |
ATE196132T1 (de) | 2000-09-15 |
JP2001322956A (ja) | 2001-11-20 |
CA2152940A1 (en) | 1994-07-07 |
RU2114813C1 (ru) | 1998-07-10 |
EP0677503B1 (en) | 1999-04-07 |
ES2131669T3 (es) | 1999-08-01 |
DE69324377T2 (de) | 1999-11-04 |
EP0844225B1 (en) | 2000-09-06 |
CA2152940C (en) | 1998-05-05 |
AU5716194A (en) | 1994-07-19 |
JP3248184B2 (ja) | 2002-01-21 |
KR100205618B1 (en) | 1999-07-01 |
EP0677503A1 (en) | 1995-10-18 |
US5659093A (en) | 1997-08-19 |
EP0677503A4 (en) | 1996-04-10 |
KR0171486B1 (en) | 1999-03-30 |
AU669772B2 (en) | 1996-06-20 |
RU95114401A (ru) | 1997-06-10 |
EP0844225A1 (en) | 1998-05-27 |
ATE178576T1 (de) | 1999-04-15 |
BR9307753A (pt) | 1995-10-24 |
US5763705A (en) | 1998-06-09 |
DE69329399D1 (de) | 2000-10-12 |
DE69329399T2 (de) | 2001-04-12 |
DE69324377D1 (de) | 1999-05-12 |
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