WO2023286752A1 - アルケンの製造方法 - Google Patents
アルケンの製造方法 Download PDFInfo
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- WO2023286752A1 WO2023286752A1 PCT/JP2022/027339 JP2022027339W WO2023286752A1 WO 2023286752 A1 WO2023286752 A1 WO 2023286752A1 JP 2022027339 W JP2022027339 W JP 2022027339W WO 2023286752 A1 WO2023286752 A1 WO 2023286752A1
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- alkene
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- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/44—Palladium
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B61/00—Other general methods
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- 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
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- 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
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- 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
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- 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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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K13/00—Etching, surface-brightening or pickling compositions
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
Definitions
- the present disclosure relates to a method for producing alkenes.
- US Pat. No. 5,300,003 discloses a process for preparing trifluoroethylene comprising contacting chlorotrifluoroethylene with hydrogen in the presence of a catalyst consisting of palladium or platinum supported on activated carbon. .
- the subject of the present disclosure is to produce a hydrogenated alkene by hydrogen substitution.
- the present disclosure includes the following configurations.
- R 1 , R 2 and R 3 are the same or different and represent a fluorine or perfluoroalkyl group.
- X is a halogen atom
- R 1 , R 2 and R 3 are the same or different and represent a fluorine or perfluoroalkyl group.
- X is a chlorine atom
- Any one or more of R 1 , R 2 and R 3 represents a perfluoroalkyl group.
- Section 2. The production method according to item 1, wherein the hydrogenation reaction step is performed in a gas phase.
- the noble or rare metal is at least one noble or rare metal selected from the group consisting of palladium (Pd), platinum (Pt), rhodium (Rh), ruthenium (Ru), and manganese (Mn). 3. The production method according to item 1 or 2.
- Item 5 The composition according to item 4, which is used as an etching gas, a refrigerant, a heat transfer medium, a deposit gas, a building block for organic synthesis, or a cleaning gas.
- the hydrogenation reaction can proceed efficiently by carrying out the hydrogenation reaction of the alkene, which is a raw material compound, in the presence of a palladium-supported activated carbon catalyst. , hydrogenated alkenes can be produced with high conversion (yield) and high selectivity.
- the present disclosure was completed as a result of further research based on such knowledge.
- the present disclosure includes the following embodiments.
- X is a halogen atom
- R 1 , R 2 and R 3 are the same or different and represent a fluorine or perfluoroalkyl group.
- X is a chlorine atom
- Any one or more of R 1 , R 2 and R 3 represents a perfluoroalkyl group.
- the hydrogenation step is preferably carried out in the gas phase.
- the noble metal or rare metal is selected from the group consisting of palladium (Pd), platinum (Pt), rhodium (Rh), ruthenium (Ru), and manganese (Mn). It is a kind of precious metal or rare metal.
- compositions of the present disclosure are preferably used as etching gases, coolants, heat transfer media, depositing gases, building blocks for organic synthesis, or cleaning gases.
- the hydrogenation reaction proceeds efficiently, and hydrogenated alkenes can be produced with high conversion (yield) and high selectivity.
- the “conversion rate” refers to the molar amount of the raw material compound (alkene containing a halogen atom) supplied to the reactor, and the compound other than the raw material compound contained in the outflow gas from the reactor outlet (hydrogenated alkene, etc.) is the ratio (mol%) of the total molar amount.
- the "selectivity" refers to the target compound (hydrogenated alkene ) means the ratio (mol%) of the total molar amount.
- the method for producing an alkene of the present disclosure can efficiently proceed with the hydrogenation reaction of an alkene containing a halogen atom, which is a raw material compound, and the hydrogenated alkene can be obtained with a high conversion rate (yield) and a high selectivity. It is possible to manufacture in
- Raw material compound The raw material compound of the present disclosure has the general formula (2):
- X is a halogen atom
- R 1 , R 2 and R 3 are the same or different and represent a fluorine or perfluoroalkyl group.
- X is a chlorine atom
- Any one or more of R 1 , R 2 and R 3 represents a perfluoroalkyl group.
- X is a halogen atom
- R 1 , R 2 and R 3 are the same or different and represent fluorine or a perfluoroalkyl group.
- R 1 , R 2 and R 3 represents a perfluoroalkyl group.
- a halogen atom is preferably a fluorine atom, a bromine atom, an iodine atom, and a chlorine atom.
- a perfluoroalkyl group is an alkyl group in which all hydrogen atoms are substituted with fluorine atoms.
- the perfluoroalkyl group preferably has 1 to 20 carbon atoms, more preferably 1 to 12 carbon atoms, still more preferably 1 to 6 carbon atoms, particularly preferably 1 to 4 carbon atoms, most preferably 1 to 4 carbon atoms. It is a perfluoroalkyl group of number 1-3.
- the perfluoroalkyl group is preferably a linear or branched perfluoroalkyl group.
- Perfluoroalkyl groups are preferably trifluoromethyl groups ( CF3- ) and pentafluoroethyl groups ( C2F5- ).
- the alkene represented by the general formula (2) of the raw material compound is efficiently hydrogenated in the presence of an activated carbon catalyst supporting a noble or rare metal, and the hydrogenated alkene is converted into a high yield with a high conversion rate. It preferably has 2 to 8 carbon atoms, more preferably 2 to 4 carbon atoms, and still more preferably 4 carbon atoms in terms of production efficiency and/or high selectivity.
- R 1 , R 2 and R 3 are the same or different and represent a fluorine or perfluoroalkyl group.
- the alkene represented by the general formula (2) of the raw material compound can be used alone or in combination of two or more.
- a commercially available alkene may also be used.
- the alkene represented by the general formula (2) which is the raw material compound, can be produced into a hydrogenated alkene with a high conversion rate, yield and / or high selectivity, which is preferable.
- the alkene represented by the general formula (2) has 2 to 8 carbon atoms, more preferably 2 to 4 carbon atoms, and still more preferably 4 carbon atoms.
- the alkene represented by the general formula (2) of the raw material compound is efficiently hydrogenated in the presence of a palladium-supported activated carbon catalyst, and the hydrogenated alkene is
- R 1 , R 2 and R 3 are the same or different and represent a fluorine or perfluoroalkyl group in terms of high conversion, yield and/or high selectivity.
- the alkene represented by the general formula (2) of the raw material compound is hydrogenated using an activated carbon catalyst supporting a noble metal or rare metal as a catalyst to obtain the target compound.
- hydrogenated alkenes of general formula (1) preferably 1,1,1,2,4,4,4-heptafluoro-2-butene.
- the hydrogenation reaction step is preferably carried out in the gas phase.
- the noble metal or rare metal is preferably at least one selected from the group consisting of palladium (Pd), platinum (Pt), rhodium (Rh), ruthenium (Ru), and manganese (Mn). Precious or rare metals.
- the hydrogenation catalyst it is more preferable to use a palladium-supported activated carbon catalyst in which the noble metal or rare metal is palladium (Pd) and the carrier is activated carbon. You get the effect of speed.
- the particle size of the activated carbon carrier is preferably about 0.1 mm to 100 mm.
- the amount of palladium supported relative to the total mass of the catalyst used in the hydrogenation step is preferably about 0.01% by mass to 20% by mass, more preferably about 0.1% by mass to 10% by mass.
- a wide range of well-known preparation methods can be used for the catalyst preparation method.
- a catalyst in which palladium metal is supported on an activated carbon carrier is produced by immersing the activated carbon carrier in a solution containing palladium metal, impregnating the carrier with this solution, and then, if necessary, neutralizing and It can be obtained by a method such as firing.
- the amount of noble metal or rare metal supported on the carrier is adjusted depending on the concentration of the solution, the impregnation time, and the like.
- the amount of hydrogen used per 1 mol of alkene is , preferably 0.1 mol to 10 mol (H 2 /alkene molar ratio: 0.1 to 10), more preferably 1 mol to 5 mol (H 2 /alkene molar ratio: 1 to 5), still more preferably It is 1 mol to 3 mol (H 2 /alkene molar ratio: 1 to 3), particularly preferably 1.1 mol (H 2 /alkene molar ratio: 1.1).
- Reaction temperature of hydrogenation reaction uses a palladium-supported activated carbon catalyst, and the lower limit of the reaction temperature is such that the hydrogenation reaction proceeds more efficiently from the raw material compound, and the conversion rate is increased.
- the temperature is preferably 100° C. or higher, more preferably 150° C. or higher, and still more preferably 200° C. or higher, from the viewpoint of further improving the temperature and obtaining the target compound with a higher selectivity.
- the upper limit of the hydrogenation reaction is such that the hydrogenation reaction proceeds more efficiently, the conversion rate is further improved, and the target compound can be obtained with a higher selectivity.
- the temperature is preferably 800° C. or lower, more preferably 600° C. or lower, and still more preferably 500° C. or lower. , particularly preferably 400° C. or less.
- the reaction time of the hydrogenation reaction is, for example, when a gas phase flow system is used, the contact time of the raw material compound with the catalyst (W / F) [W : weight of metal catalyst (g), F: flow rate of raw material compound (cc/sec)], the conversion rate due to the hydrogenation reaction is particularly high, and the target compound can be obtained with high yield and high selectivity. From the viewpoint of being able to ./cc to 80g ⁇ sec./cc. The above W/F specifies the reaction time especially when the gas-phase flow reaction is adopted.
- the contact time can be set appropriately.
- the above contact time means the time during which the raw material compound (substrate) and the catalyst are in contact.
- the reaction pressure of the hydrogenation reaction is preferably -0.05 MPa to 2 MPa from the viewpoint of more efficient hydrogenation reaction, and more The pressure is preferably -0.01 MPa to 1 MPa, more preferably normal pressure to 0.5 MPa.
- pressure is gauge pressure unless otherwise specified.
- a reactor for the hydrogenation reaction is preferably a vertical reactor, a horizontal reactor, a multitubular reactor, or the like.
- the material of the reactor for the hydrogenation reaction is preferably glass, stainless steel, iron, nickel, iron-nickel alloy, or the like.
- the hydrogenation reaction step of the present disclosure is preferably based on a gas phase reaction, in which the raw material compound (substrate) is continuously charged into the reactor, and the target compound is continuously extracted from the reactor. It can be implemented by any method of the formula.
- the target compound stays in the reactor and the reaction is prevented from progressing excessively, it is preferably carried out in a flow system.
- Gas phase continuous flow system The hydrogenation reaction step of the present disclosure is preferably carried out in the gas phase, more preferably in a gas phase continuous flow system using a fixed bed reactor.
- the apparatus, operation, etc. can be simplified, and it is economically advantageous.
- the atmosphere during the hydrogenation reaction is preferably an inert gas atmosphere, a hydrogen fluoride gas atmosphere, or the like, from the viewpoint of suppressing deterioration of the catalyst.
- the inert gas is preferably nitrogen, helium, argon, or the like. Among the inert gases, nitrogen is preferably used from the viewpoint of cost reduction.
- the inert gas concentration is preferably between 0 mol % and 50 mol % of the gaseous components introduced into the reactor.
- the desired compound can be obtained at a higher selectivity by adjusting the reaction temperature and reaction time (contact time) according to the catalyst. I can do things.
- Target compound The target compound of the present disclosure has the general formula (1):
- R 1 , R 2 and R 3 are the same or different and represent a fluorine or perfluoroalkyl group.
- alkene hydrogenated alkene
- the raw material compound represented by the general formula (2) has its X (halogen atom) hydrogen-substituted to produce a hydrogen-substituted alkene.
- R 1 , R 2 and R 3 are the same or different and represent a fluorine or perfluoroalkyl group.
- a perfluoroalkyl group is an alkyl group in which all hydrogen atoms are substituted with fluorine atoms.
- the perfluoroalkyl group preferably has 1 to 20 carbon atoms, more preferably 1 to 12 carbon atoms, still more preferably 1 to 6 carbon atoms, particularly preferably 1 to 4 carbon atoms, most preferably 1 to 4 carbon atoms. It is a perfluoroalkyl group of number 1-3.
- the perfluoroalkyl group is preferably a linear or branched perfluoroalkyl group.
- Perfluoroalkyl groups are preferably trifluoromethyl groups ( CF3- ) and pentafluoroethyl groups ( C2F5- ).
- the alkene represented by the general formula (1) of the target compound undergoes an efficient hydrogenation reaction of the alkene (halogen atom) represented by the general formula (2) of the starting compound in the presence of a palladium-supported activated carbon catalyst.
- a compound with 2 carbon atoms (C 2 compound) to a compound with 8 carbon atoms (C 8 compound) is preferable in that hydrogenated alkenes can be produced with high conversion rate, yield and/or high selectivity. Yes, more preferably ( C2 to C4 compounds, still more preferably C4 compounds.
- the alkene represented by the general formula (1) of the target compound is converted to the alkene (halogen atom) of the starting compound represented by the general formula (2) in the presence of a palladium-supported activated carbon catalyst.
- R 1 , R 2 , and R 3 are the same or different, and fluorine , or represents a perfluoroalkyl group.
- the alkene represented by general formula (1) of the target compound is preferably 1,1,1,2,4,4,4-heptafluoro-2-butene.
- the alkene represented by the general formula (1) of the raw material compound can be used alone or in combination of two or more.
- a commercially available alkene may also be used.
- a palladium-supported activated carbon catalyst is used to hydrogenate perfluoro-2-butene as the alkene of the starting compound, and 1, Produces 1,1,2,4,4,4-heptafluoro-2-butene.
- the target compound can be obtained by purification treatment according to a conventional method as necessary.
- composition is preferably used as an etching gas, coolant, heat transfer medium, depositing gas, building block for organic synthesis, or cleaning gas.
- an alkene represented by general formula (1) can be obtained. It may be obtained in the form of a composition containing the alkene represented by the general formula (1) as the target compound and the alkene represented by the general formula (2) as the starting compound.
- CF 3 -CFH-CFH-CF 3 contained in the composition is, for example, an alkane compound derived from the starting compound perfluoro-2-butene.
- CF 3 -CFH-CFH-CF 2 H contained in the composition is, for example, a 3H alkane compound.
- the content of 1,1,1,2,4,4,4-heptafluoro-2-butene is preferably 80 mol% or more and 99.9 mol% or less, with the total amount of the composition being 100 mol%. more preferably 90 mol% or more and 99.9 mol% or less, still more preferably 95 mol% or more and 99.9 mol% or less, and particularly preferably 99 mol% or more and 99.9 mol% or less.
- the content of -CFH-CF 2 H is preferably 20 mol% or less.
- 1,1,1,2,4,4,4-heptafluoro-2-butene (hydrogenated alkene) can be obtained with particularly high selectivity, resulting in , it is possible to reduce components other than 1,1,1,2,4,4,4-heptafluoro-2-butene in the composition. Therefore, according to the production method of the present disclosure, purification for obtaining 1,1,1,2,4,4,4-heptafluoro-2-butene can be efficiently performed.
- compositions containing alkenes are preferably useful for various applications such as deposit gases, building blocks for organic synthesis, and cleaning gases.
- a deposit gas is a gas that deposits an etch-resistant polymer layer.
- a building block for organic synthesis means a substance that can be a precursor of a compound having a highly reactive skeleton.
- a composition containing 1,1,1,2,4,4,4-heptafluoro-2-butene is reacted with a fluorine-containing organosilicon compound such as CF 3 Si(CH 3 ) 3 , CF 3 groups, etc. can be converted into a substance that can be used as a detergent or a fluorine-containing pharmaceutical intermediate by introducing a fluoroalkyl group.
- Gas chromatography manufactured by Shimadzu Corporation, product name "GC-2014” NMR: JEOL, product name "400YH”
- a SUS pipe (outer diameter: 1/2 inch) was used as the reaction tube and filled with a palladium-supported activated carbon catalyst. After drying at 200°C for 3 hours in a nitrogen atmosphere, the temperature was raised to 400°C. After raising the temperature to 400°C, the temperature was lowered to the reaction temperature, hydrogen diluted with nitrogen was passed through, the hydrogen concentration was gradually increased, and finally the catalyst was hydrogenated with 100% hydrogen.
- a gas-phase flow reaction was carried out, the pressure was normal pressure, and the contact time (W/F 0 ) between perfluoro-2-butene (raw material compound) and palladium-supported activated carbon catalyst (1% Pd/C) was 8 g.
- the reactor was adjusted to sec/cc (%), 17 g sec/cc (%), 38 g sec/cc (%), 60 g sec/cc (%), or 78 g sec/cc (%).
- the raw material compound was distributed in the
- the amount of hydrogen used was H 2 /alkene molar ratio: 1.1.
- mass spectrometry was performed using gas chromatography/mass spectrometry (GC/MS) using gas chromatography, and structural analysis was performed using NMR spectra.
- GC/MS gas chromatography/mass spectrometry
- the contact time (W/F) means how fast the raw material gas flows, that is, the time during which the catalyst and the raw material gas are in contact.
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Abstract
Description
一般式(1):
で表されるアルケンの製造方法であって、
一般式(2):
で表されるアルケンを、貴金属又は希少金属を担持した活性炭触媒の存在下で、水素化反応させる工程を含む、製造方法。
前記水素化反応させる工程を、気相で行う、前記項1に記載の製造方法。
前記貴金属又は希少金属は、パラジウム(Pd)、白金(Pt)、ロジウム(Rh)、ルテニウム(Ru)、及びマンガン(Mn)からなる群から選択される少なくとも1種の貴金属又は希少金属である、前記項1又は2に記載の製造方法。
CF3-CF=CH-CF3;
CF3-CFH-CFH-CF3;及び
CF3-CFH-CFH-CF2H;を含有する、組成物。
エッチングガス、冷媒、熱移動媒体、デポジットガス、有機合成用ビルディングブロック、又はクリーニングガスとして用いられる、前記項4に記載の組成物。
で表されるアルケンの製造方法は、
一般式(2):
で表されるアルケンを、貴金属又は希少金属を担持した活性炭触媒の存在下で、水素化反応させる工程を含む。
CF3-CF=CH-CF3;
CF3-CFH-CFH-CF3;及び
CF3-CFH-CFH-CF2H;を含有する。
本開示の原料化合物は、一般式(2):
で表されるアルケンである。
本開示の水素化反応させる工程は、触媒として、パラジウム担持活性炭を用いて、一般式(2)で表されるアルケンを水素化反応する。
(活性炭に担持された貴金属又は希少金属触媒)
本開示の水素化反応させる工程は、触媒として、貴金属又は希少金属を担持した活性炭触媒を用いて、原料化合物の、一般式(2)で表されるアルケンを、水素化反応を行い、目的化合物の、水素化される一般式(1)で表されるアルケン、好ましくは、1,1,1,2,4,4,4-ヘプタフルオロ-2-ブテンを製造する。
本開示の水素化反応させる工程は、水素化されるアルケンを、高い転化率、収率及び/又は高い選択率で製造する事が出来る点から、水素の使用量は、アルケン1モルに対して、好ましくは、0.1モル~10モル(H2/アルケンモル比:0.1~10)であり、より好ましくは、1モル~5モル(H2/アルケンモル比:1~5)であり、更に好ましくは、1モル~3モル(H2/アルケンモル比:1~3)であり、特に好ましくは、1.1モル(H2/アルケンモル比:1.1)である。
本開示の水素化反応させる工程は、パラジウム担持活性炭触媒を使用し、反応温度の下限値は、原料化合物から、より効率的に水素化反応を進行させて、転化率をより向上させ、目的化合物を、より高い選択率で得る事が出来る観点から、好ましくは、100℃以上であり、より好ましくは、150℃以上であり、更に好ましくは、200℃以上である。
本開示の水素化反応させる工程は、水素化反応させる反応時間は、例えば気相流通式を採用する場合には、原料化合物の触媒に対する接触時間(W/F)[W:金属触媒の重量(g)、F:原料化合物の流量(cc/sec)]は、水素化反応に依る転化率が特に高く、目的化合物を、より高収率及び高選択率に得る事が出来る観点から、好ましくは、1g・sec./cc~120g・sec./ccであり、より好ましくは、3g・sec./cc~100g・sec./ccであり、更に好ましくは、5g・sec./cc~80g・sec./ccである。上記のW/Fは特に気相流通式反応を採用した場合の反応時間を特定したものである。
本開示の水素化反応させる工程は、水素化反応させる反応圧力は、水素化反応を、より効率的に進行させる点から、好ましくは、-0.05MPa~2MPaであり、より好ましくは、-0.01MPa~1MPaであり、更に好ましくは、常圧~0.5MPaである。
本開示の水素化反応させる工程は、原料化合物と触媒とを投入して、水素化反応させる反応器は、上記温度及び圧力に耐え得るものであれば、形状及び構造は特に限定されない。水素化反応させる反応器は、好ましくは、縦型反応器、横型反応器、多管型反応器等である。水素化反応させる反応器の材質は、好ましくは、ガラス、ステンレス、鉄、ニッケル、鉄ニッケル合金等である。
本開示の水素化反応させる工程は、好ましくは、気相反応に依り、反応器に原料化合物(基質)を連続的に仕込み、反応器から目的化合物を連続的に抜き出す流通式及びバッチ式のいずれの方式によっても実施する事が出来る。
本開示の水素化反応させる工程は、好ましくは、気相で行い、より好ましくは、固定床反応器を用いた気相連続流通式で行う。気相連続流通式で行う場合は、装置、操作等を簡略化できると共に、経済的に有利である。
本開示の目的化合物は、一般式(1):
で表されるアルケン(水素化されたアルケン)である。
本開示の水素化反応させる工程は、好ましくは、パラジウム担持活性炭触媒を使用し、原料化合物のアルケンとして、パーフルオロ-2-ブテンを、水素化し、目的化合物のアルケンとして、1,1,1,2,4,4,4-ヘプタフルオロ-2-ブテンを製造する。
本開示の組成物は、好ましい態様として、
CF3-CF=CH-CF3(1,1,1,2,4,4,4-ヘプタフルオロ-2-ブテン);
CF3-CFH-CFH-CF3;及び
CF3-CFH-CFH-CF2H;を含有する。
原料化合物:パーフルオロ-2-ブテン(F3C-CF=CF-CF3)
目的化合物:1,1,1,2,4,4,4-ヘプタフルオロ-2-ブテン(F3C-CF=CH-CF3)
((Z/E)-1327myz))
ガスクロマトグラフィー:島津製作所社製、製品名「GC-2014」
NMR:JEOL社製、製品名「400YH」
反応器を、200℃、300℃、又は400℃で加熱して、フッ素原子の水素化反応を開始した。水素化反応を開始してから、1時間後に、除害塔を通った留出分を集めた。
Claims (5)
- 前記水素化反応させる工程を、気相で行う、請求項1に記載の製造方法。
- 前記貴金属又は希少金属は、パラジウム(Pd)、白金(Pt)、ロジウム(Rh)、ルテニウム(Ru)、及びマンガン(Mn)からなる群から選択される少なくとも1種の貴金属又は希少金属である、請求項1又は2に記載の製造方法。
- CF3-CF=CH-CF3;
CF3-CFH-CFH-CF3;及び
CF3-CFH-CFH-CF2H;を含有する、組成物。 - エッチングガス、冷媒、熱移動媒体、デポジットガス、有機合成用ビルディングブロック、又はクリーニングガスとして用いられる、請求項4に記載の組成物。
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020247004581A KR20240032994A (ko) | 2021-07-15 | 2022-07-12 | 알켄의 제조 방법 |
| CN202280049957.8A CN117642373A (zh) | 2021-07-15 | 2022-07-12 | 烯烃的制造方法 |
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| Application Number | Priority Date | Filing Date | Title |
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| JP2021117229A JP7348535B2 (ja) | 2021-07-15 | 2021-07-15 | アルケンの製造方法 |
| JP2021-117229 | 2021-07-15 |
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| WO2023286752A1 true WO2023286752A1 (ja) | 2023-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/JP2022/027339 Ceased WO2023286752A1 (ja) | 2021-07-15 | 2022-07-12 | アルケンの製造方法 |
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| Country | Link |
|---|---|
| JP (2) | JP7348535B2 (ja) |
| KR (1) | KR20240032994A (ja) |
| CN (1) | CN117642373A (ja) |
| TW (2) | TWI881235B (ja) |
| WO (1) | WO2023286752A1 (ja) |
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| JPH04288028A (ja) * | 1990-11-06 | 1992-10-13 | Elf Atochem Sa | フルオロエチレン及びクロロフルオロエチレンの製造 |
| JPH0769943A (ja) * | 1993-06-10 | 1995-03-14 | Daikin Ind Ltd | 1,1,1,3,3−ペンタフルオロプロパン及び/又は1,1,3,3,3−ペンタフルオロプロペンの製造方法 |
| JPH10506889A (ja) * | 1994-09-29 | 1998-07-07 | イー・アイ・デュポン・ドゥ・ヌムール・アンド・カンパニー | オクタフルオロブタン組成物 |
| WO2010007968A1 (ja) * | 2008-07-18 | 2010-01-21 | 日本ゼオン株式会社 | 含水素フルオロオレフィン化合物の製造方法 |
| JP2011516671A (ja) * | 2008-04-04 | 2011-05-26 | ダウ グローバル テクノロジーズ リミティド ライアビリティ カンパニー | 冷媒組成物 |
| JP2013534529A (ja) * | 2010-07-01 | 2013-09-05 | ソルヴェイ・スペシャルティ・ポリマーズ・イタリー・エッセ・ピ・ア | トリフルオロエチレンの合成のための方法 |
| WO2015125877A1 (ja) * | 2014-02-20 | 2015-08-27 | 旭硝子株式会社 | トリフルオロエチレンを含む流体の精製方法、およびトリフルオロエチレンの製造方法 |
| WO2020170980A1 (ja) * | 2019-02-21 | 2020-08-27 | ダイキン工業株式会社 | ハロゲン化ブテン化合物の製造方法 |
-
2021
- 2021-07-15 JP JP2021117229A patent/JP7348535B2/ja active Active
-
2022
- 2022-07-12 CN CN202280049957.8A patent/CN117642373A/zh active Pending
- 2022-07-12 KR KR1020247004581A patent/KR20240032994A/ko active Pending
- 2022-07-12 TW TW111126040A patent/TWI881235B/zh active
- 2022-07-12 TW TW114110908A patent/TW202525756A/zh unknown
- 2022-07-12 WO PCT/JP2022/027339 patent/WO2023286752A1/ja not_active Ceased
-
2023
- 2023-05-24 JP JP2023085252A patent/JP7744588B2/ja active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04288028A (ja) * | 1990-11-06 | 1992-10-13 | Elf Atochem Sa | フルオロエチレン及びクロロフルオロエチレンの製造 |
| JPH0769943A (ja) * | 1993-06-10 | 1995-03-14 | Daikin Ind Ltd | 1,1,1,3,3−ペンタフルオロプロパン及び/又は1,1,3,3,3−ペンタフルオロプロペンの製造方法 |
| JPH10506889A (ja) * | 1994-09-29 | 1998-07-07 | イー・アイ・デュポン・ドゥ・ヌムール・アンド・カンパニー | オクタフルオロブタン組成物 |
| JP2011516671A (ja) * | 2008-04-04 | 2011-05-26 | ダウ グローバル テクノロジーズ リミティド ライアビリティ カンパニー | 冷媒組成物 |
| WO2010007968A1 (ja) * | 2008-07-18 | 2010-01-21 | 日本ゼオン株式会社 | 含水素フルオロオレフィン化合物の製造方法 |
| JP2013534529A (ja) * | 2010-07-01 | 2013-09-05 | ソルヴェイ・スペシャルティ・ポリマーズ・イタリー・エッセ・ピ・ア | トリフルオロエチレンの合成のための方法 |
| WO2015125877A1 (ja) * | 2014-02-20 | 2015-08-27 | 旭硝子株式会社 | トリフルオロエチレンを含む流体の精製方法、およびトリフルオロエチレンの製造方法 |
| WO2020170980A1 (ja) * | 2019-02-21 | 2020-08-27 | ダイキン工業株式会社 | ハロゲン化ブテン化合物の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| TW202313535A (zh) | 2023-04-01 |
| TW202525756A (zh) | 2025-07-01 |
| TWI881235B (zh) | 2025-04-21 |
| CN117642373A (zh) | 2024-03-01 |
| JP2023013217A (ja) | 2023-01-26 |
| KR20240032994A (ko) | 2024-03-12 |
| JP2023099721A (ja) | 2023-07-13 |
| JP7744588B2 (ja) | 2025-09-26 |
| JP7348535B2 (ja) | 2023-09-21 |
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