JP4864880B2 - 1,3,3,3−テトラフルオロプロペン及び2,3,3,3−テトラフルオロプロペンの合成方法 - Google Patents
1,3,3,3−テトラフルオロプロペン及び2,3,3,3−テトラフルオロプロペンの合成方法 Download PDFInfo
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- JP4864880B2 JP4864880B2 JP2007511081A JP2007511081A JP4864880B2 JP 4864880 B2 JP4864880 B2 JP 4864880B2 JP 2007511081 A JP2007511081 A JP 2007511081A JP 2007511081 A JP2007511081 A JP 2007511081A JP 4864880 B2 JP4864880 B2 JP 4864880B2
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- 238000000034 method Methods 0.000 title claims description 40
- CDOOAUSHHFGWSA-OWOJBTEDSA-N (e)-1,3,3,3-tetrafluoroprop-1-ene Chemical compound F\C=C\C(F)(F)F CDOOAUSHHFGWSA-OWOJBTEDSA-N 0.000 title claims description 20
- 230000002194 synthesizing effect Effects 0.000 title claims 2
- FXRLMCRCYDHQFW-UHFFFAOYSA-N 2,3,3,3-tetrafluoropropene Chemical compound FC(=C)C(F)(F)F FXRLMCRCYDHQFW-UHFFFAOYSA-N 0.000 title description 3
- 150000001875 compounds Chemical class 0.000 claims description 57
- 238000006243 chemical reaction Methods 0.000 claims description 39
- 239000003054 catalyst Substances 0.000 claims description 21
- 239000007795 chemical reaction product Substances 0.000 claims description 21
- 239000000460 chlorine Substances 0.000 claims description 14
- 229910052731 fluorine Inorganic materials 0.000 claims description 12
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 9
- 239000011737 fluorine Substances 0.000 claims description 9
- 229910052794 bromium Inorganic materials 0.000 claims description 7
- 229910052801 chlorine Inorganic materials 0.000 claims description 6
- 229910052740 iodine Inorganic materials 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 2
- 150000002431 hydrogen Chemical class 0.000 claims description 2
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 claims description 2
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 238000003682 fluorination reaction Methods 0.000 description 21
- 239000007789 gas Substances 0.000 description 17
- 239000012071 phase Substances 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 11
- 239000006227 byproduct Substances 0.000 description 6
- 238000005660 chlorination reaction Methods 0.000 description 6
- 239000007791 liquid phase Substances 0.000 description 6
- PGJHURKAWUJHLJ-UHFFFAOYSA-N 1,1,2,3-tetrafluoroprop-1-ene Chemical compound FCC(F)=C(F)F PGJHURKAWUJHLJ-UHFFFAOYSA-N 0.000 description 5
- 238000007033 dehydrochlorination reaction Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 4
- 238000006704 dehydrohalogenation reaction Methods 0.000 description 4
- 238000004821 distillation Methods 0.000 description 4
- 239000000376 reactant Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 229910000039 hydrogen halide Inorganic materials 0.000 description 3
- 239000012433 hydrogen halide Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 2
- 238000005695 dehalogenation reaction Methods 0.000 description 2
- 238000007269 dehydrobromination reaction Methods 0.000 description 2
- 238000005796 dehydrofluorination reaction Methods 0.000 description 2
- 238000005914 dehydroiodination reaction Methods 0.000 description 2
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- MSSNHSVIGIHOJA-UHFFFAOYSA-N pentafluoropropane Chemical compound FC(F)CC(F)(F)F MSSNHSVIGIHOJA-UHFFFAOYSA-N 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- 239000012808 vapor phase Substances 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 1
- 229910000792 Monel Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/013—Preparation of halogenated hydrocarbons by addition of halogens
- C07C17/06—Preparation of halogenated hydrocarbons by addition of halogens combined with replacement of hydrogen atoms by halogens
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/013—Preparation of halogenated hydrocarbons by addition of halogens
- C07C17/04—Preparation of halogenated hydrocarbons by addition of halogens to unsaturated halogenated hydrocarbons
-
- 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
- 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
- C07C17/25—Preparation of halogenated hydrocarbons by splitting-off hydrogen halides from halogenated hydrocarbons
-
- 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
- C07C21/18—Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds containing fluorine
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- 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)
- Catalysts (AREA)
Description
本発明は、四フッ化プロペンの製造のための方法に関する。より具体的には、本発明は、1,3,3,3−テトラフルオロプロペン;CF3CH=CHF(HFO−1234ze);の製造のための方法に関する。
テトラフルオロプロペンは、多様なホモポリマー及びコポリマーの製造においてモノマーとして有用であることが知られている。例えば、米国特許3,472,826は、ポリエチレンの生産におけるコモノマーとしてテトラフルオロプロペンを記載している。本発明の譲受人に譲渡されている米国特許出願番号10/694,273は、低い地球温暖化係数を有する冷媒としての、及び多様な様式の発泡体の形成に関連した使用のための発泡剤としての、CF3CH=CFHの使用を開示している。さらに、CF3CH=CFHは、工業用化学薬品の製造のための中間体として有用な様々な化合物に官能化されることができる。
本発明者らは、少なくとも上記の先行技術の欠点を克服する、1,3,3,3−テトラフルオロプロペンの合成のための方法を発見した。
本発明は、1,3,3,3−テトラフルオロ−2−プロペン:CF3CH=CHF(“HFC−1234ze”)のシス−及びトランス−の両方の異性体の生産のための方法に関するものである。
式(I)の化合物と式(II)の化合物とを反応させる工程は、本明細書に含まれる教示に従って、非常に多くの具体的プロセス条件および工程に従うものであり、そしてそのような変法の総てが本発明の広い範囲に含まれる。例えば、その反応工程は、液相または気相の付加反応を含むことができ、そして、それらは、一般に、触媒される反応が好ましいが、触媒されても触媒されなくてもよい。式(I)のX1及びX2がそれぞれ、X1及びX2が同一ではないという条件で、F、Cl、Br及びIから選択される(例えばその化合物がClFである)態様について、その反応工程は、好ましくは、約0℃乃至約100℃の温度で、触媒、好ましくは6属金属の酸化物、例えばV2O5、の存在下に反応物質をさらすことを含むことが好ましい。式(I)のX1及びX2が同一であって、F、Cl、Br及びIから選択される(例えばその化合物がBr2である)態様について、その反応工程(a)は、好ましくは、約−10℃乃至約50℃の温度で、溶媒の存在下に反応物質をさらすことを含むことが好ましい。例えば酢酸、四塩化炭素、クロロホルム及びジクロロメタン等、広範な溶媒を使用することができる。
この態様に従う反応工程(a)は、広い意味での塩素化工程である。そしてこの塩素化工程は、本明細書に含まれる教示に従って非常に多くの具体的なプロセス条件及び工程に従うものであり、そしてそのような変法の総てが本発明の広い範囲に含まれる。しかしながら、反応工程(a)は光塩素化を含むことが特に好ましい。そのため、好ましい反応工程(a)は、反応物質を、好ましくは液相で、塩素化触媒、好ましくはAu/TiO2触媒、の存在下、ニート(neat)で、紫外線照射、好ましくは約200乃至400nmの範囲の紫外線照射、にさらすことを含む。反応は、好ましくは、溶媒中で、より好ましくは、CCl4等の塩素化溶媒中で、行なわれる。反応は、好ましくは約0℃乃至約300℃の温度で実施され、より好ましくは、約0℃乃至約300℃で約0.5時間乃至約70時間、好ましくは約0.5時間乃至約48時間、の時間で行なわれる。不要な副生成物を除きそして式(II)の化合物が相対的に高濃度であるストリームを生産するために、式(II)の化合物を含む反応生成物について、一つ以上の分離工程(蒸留等)を随意に行なうことができる。
実施例1
Br2及びHF(BrF)並びにCF3CH=CH2からのCF3CH=CHFの合成
テフロン(登録商標)で覆われたモネルのオートクレーブ中、触媒としての約0.005モルのFeCl3またはSbF5の存在下、約−30℃乃至−60℃で、CF3CH=CH2(0.5モル)をBr2(0.4モル)及びHF(50モル)と反応させる。反応時間は、前記の温度で約10乃至30分、そしてその後室温で1時間であった。反応生成物をCH2Cl2で抽出する。主生成物はCF3CHBrCH2F(55%)であって、副生成物は主にCF3CHBrCH2Br(40%)であった。CF3CHBrCH2Fを蒸留によって単離し、そして、それを525℃、接触時間約20秒乃至約30秒で、約50グラム(gm)の活性炭からなる触媒床上を通して脱臭化水素を行い、CF3CH=CHFを含む反応生成物を約95%の収率で得た。
IF及びCF3CH=CH2からのCF3CH=CHFの合成
CF3CHICH2Fを生産するのに効果的な条件下、適切な割合で、CF3CH=CH2とIF(I2とIF5の反応、またはI2とHFの反応によって形成される)とを反応させる。そして、CF3CH=CHFを含む反応生成物を、好ましくは約95%の収率で、生じるに効果的な条件でCF3CHICH2Fの脱ヨウ化水素を行なう。
CH3CH=CH2及びCl2からのCF3CH=CHFの合成
CCl4を溶媒として使用し、フロー反応器中、1−3%のAu/TiO2触媒の存在下、UV(200−400nm)光下、0℃で、約0.5モルのCH3CH=CH2と0.2モルのCl2を反応させる。0℃乃至10℃で約5乃至20秒間、反応を行なってCCl3CHClCH2Clを与える。その後、得られた生成物を単離し、そして50gの1/8インチのCr2O3の触媒床上、5モル過剰のHF存在下、約250−400℃で約5乃至50秒の接触時間で、フロー反応器を通して、CF3CHClCH2Fを与える。そして、そのCF3CHClCH2Fを、425−550℃、接触時間25乃至30秒でCr2O3触媒(50g)上を通すことによって脱塩化水素を行いCF3CH=CFHを得た。CF3CH=CFHの単離収率は40−60%であった。
Claims (13)
- 以下の工程:
(a)式(I):X1X2の化合物と式(II):CF3CH=CH2の化合物とを反応させて式(III):CF3CHX1CH2X2の化合物を含む反応生成物を生産すること[式中、X1及びX2はそれぞれ、X1及びX2は双方が水素ではないという条件で、水素、フッ素、塩素、臭素及びヨウ素からなる群から独立に選択され、式(I)の化合物はCl 2 、Br 2 、I 2 、ClF、BrF及びIFからなる群から選択される];
(b)式(III)のX2がフッ素でない場合、式(III)の化合物をフッ素化して式(III)[ここで、X1は上記の通りであり、X2はフッ素である]の化合物を含む反応生成物を生産すること;及び、
(c)前記式(III)の化合物を1,3,3,3−テトラフルオロプロペンに変換するのに効率的な反応条件に式(III)の化合物をさらすこと;
を含む、1,3,3,3−テトラフルオロプロペンの合成方法。 - 式(I)のX1及びX2が、それぞれ、F、Cl、Br及びIから選択され、X 1 X 2 はClF、BrF及びIFからなる群から選択される、請求項1に記載の方法。
- 前記反応工程(a)が、触媒の存在下、0℃乃至100℃の温度で、前記式(I)の化合物と前記式(II)の化合物を反応させることを含む、請求項2に記載の方法。
- 前記触媒が6族金属の酸化物を含む、請求項3に記載の方法。
- 前記触媒がV2O5を含む、請求項3に記載の方法。
- 前記式(I)の化合物がClFで構成される、請求項2に記載の方法。
- 式(I)のX1及びX2がそれぞれ同一であって、Cl、Br及びIから選択され
る、請求項1に記載の方法。 - 反応工程(a)が、前記式(I)の化合物と前記式(II)の化合物を、溶媒の存在下、−10℃乃至10℃の温度で反応させることを含む、請求項7に記載の方法。
- 前記反応工程(a)と前記反応工程(b)が実質的に同時に起こる、請求項1に記載の方法。
- 前記反応工程(a)と前記反応工程(b)が実質的に同時に起こる、請求項7に記載の方法。
- 前記さらす工程が、式(III)の化合物を脱ハロゲン化水素することを含む、請求項1に記載の方法。
- 式(I)のX1及びX2がそれぞれ同一であって、Cl、Br及びIから選択される、請求項11に記載の方法。
- 前記さらす工程を200℃乃至550℃の温度で行う、請求項11に記載の方法。
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US56742804P | 2004-04-29 | 2004-04-29 | |
US60/567,428 | 2004-04-29 | ||
PCT/US2005/015125 WO2005108334A1 (en) | 2004-04-29 | 2005-04-29 | Processes for synthesis of 1,3,3,3-tetrafluoropropene and 2,3,3,3-tetrafluoropropene |
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US (1) | US7189884B2 (ja) |
EP (1) | EP1740520B3 (ja) |
JP (3) | JP4864880B2 (ja) |
KR (1) | KR101141210B1 (ja) |
CN (1) | CN1976885B (ja) |
CA (1) | CA2564991C (ja) |
ES (1) | ES2528181T7 (ja) |
MX (1) | MXPA06012466A (ja) |
WO (1) | WO2005108334A1 (ja) |
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US7880040B2 (en) | 2004-04-29 | 2011-02-01 | Honeywell International Inc. | Method for producing fluorinated organic compounds |
US7563936B2 (en) * | 2006-10-27 | 2009-07-21 | Honeywell International Inc | Processes for geometric isomerization of halogenated olefins |
US8530708B2 (en) * | 2003-07-25 | 2013-09-10 | Honeywell International Inc. | Processes for selective dehydrohalogenation of halogenated alkanes |
US9308199B2 (en) | 2004-04-29 | 2016-04-12 | Honeywell International Inc. | Medicament formulations |
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JP2011236226A (ja) | 2011-11-24 |
CN1976885B (zh) | 2010-05-26 |
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CA2564991C (en) | 2013-03-19 |
CA2564991A1 (en) | 2005-11-17 |
WO2005108334A1 (en) | 2005-11-17 |
CN1976885A (zh) | 2007-06-06 |
JP2007535571A (ja) | 2007-12-06 |
JP2013241454A (ja) | 2013-12-05 |
JP5738366B2 (ja) | 2015-06-24 |
ES2528181T7 (es) | 2020-03-30 |
EP1740520B1 (en) | 2014-11-12 |
JP5518003B2 (ja) | 2014-06-11 |
KR101141210B1 (ko) | 2012-05-04 |
EP1740520A1 (en) | 2007-01-10 |
US7189884B2 (en) | 2007-03-13 |
ES2528181T3 (es) | 2015-02-05 |
US20060030744A1 (en) | 2006-02-09 |
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