WO2014013706A1 - 2-(イソプロピルアミノ)エタノールの製造方法 - Google Patents
2-(イソプロピルアミノ)エタノールの製造方法 Download PDFInfo
- Publication number
- WO2014013706A1 WO2014013706A1 PCT/JP2013/004305 JP2013004305W WO2014013706A1 WO 2014013706 A1 WO2014013706 A1 WO 2014013706A1 JP 2013004305 W JP2013004305 W JP 2013004305W WO 2014013706 A1 WO2014013706 A1 WO 2014013706A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- isopropylamino
- noble metal
- catalyst containing
- producing
- ethanol
- 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.)
- Ceased
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C213/00—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
- C07C213/08—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton by reactions not involving the formation of amino groups, hydroxy groups or etherified or esterified hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C213/00—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
- C07C213/02—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton by reactions involving the formation of amino groups from compounds containing hydroxy groups or etherified or esterified hydroxy groups
Definitions
- the present invention relates to a method for producing 2- (isopropylamino) ethanol, which is a compound useful as a raw material for pharmaceuticals, agricultural chemicals and the like.
- the following methods are known for producing 2- (isopropylamino) ethanol.
- a process for producing 2- (isopropylamino) ethanol by reacting acetone with 2-aminoethanol and 1-2 atm hydrogen in ethanol in the presence of a platinum oxide catalyst (Non-patent Document 1).
- the present invention relates to a process for producing 2- (isopropylamino) ethanol, characterized by reacting acetone, 2-aminoethanol and hydrogen in a gas phase catalytic reaction in the presence of a catalyst containing a noble metal.
- 2- (isopropylamino) ethanol can be obtained in a large amount and efficiently by a gas phase catalytic reaction. Therefore, the method of the present invention is industrially useful as a method for producing 2- (isopropylamino) ethanol.
- the present invention is a method for producing 2- (isopropylamino) ethanol by gas phase catalytic reaction of acetone, 2-aminoethanol and hydrogen in the presence of a catalyst containing a noble metal.
- the reaction temperature of the present invention is usually 80 to 250 ° C., preferably 100 to 150 ° C., more preferably 125 to 135 ° C.
- the reaction is carried out at normal pressure or under pressure.
- the reaction method is not particularly limited, and the reaction is carried out in a fixed bed, a fluidized bed or a moving bed, and either a batch method or a continuous method can be adopted.
- the amount of acetone used is usually 0.5 mol or more, preferably 2 to 6 mol, per 1 mol of 2-aminoethanol.
- 2-Aminoethanol may be used as it is for the reaction, or an aqueous solution of 2-aminoethanol or an organic solvent solution may be used.
- concentration is not particularly limited and can be appropriately determined depending on the reaction scale.
- a known catalyst can be used, preferably a catalyst containing at least one kind of palladium, platinum or ruthenium, more preferably a catalyst containing at least one kind of palladium or platinum.
- the catalyst containing a noble metal may contain an element other than the above as the second component other than the noble metal.
- the element include rhenium, tellurium, bismuth, antimony, gallium, indium, sulfur, phosphorus, selenium, and germanium.
- a catalyst containing a noble metal may be used by being supported on a carrier.
- the carrier may be any one that is normally used as a catalyst carrier.
- Specific examples of the carrier include alumina, silica, silica-alumina, silicon carbide, zirconium oxide, magnesium oxide, cerium oxide, titanium oxide, various zeolites and the like. Of these, alumina and silica are preferable, and alumina is particularly preferable.
- the surface area of the carrier is usually 40 to 500 m 2 / g, preferably 100 to 350 m 2 / g.
- the amount of the noble metal supported on the carrier is not particularly limited, but is usually 0.5 to 5% by weight, preferably 0.5 to 2% by weight, more preferably 0.5 to 1% by weight based on the carrier.
- the catalyst containing the noble metal include, for example, platinum-alumina catalyst, platinum-carbon catalyst, platinum-black catalyst, palladium-alumina catalyst, palladium-carbon catalyst, palladium-black catalyst, ruthenium-alumina catalyst, ruthenium- Examples thereof include carbon catalysts and ruthenium-black catalysts.
- preferable catalysts include palladium-alumina catalysts and platinum-alumina catalysts.
- the method for preparing the catalyst containing the noble metal is not particularly limited.
- Examples of the method for preparing a catalyst containing a noble metal include a kneading method, an impregnation method, and a coprecipitation method.
- Examples of the shape of the catalyst containing the noble metal include shapes prepared by extrusion molding, tableting molding, and the like in an arbitrary shape. Further, as the catalyst containing the molded noble metal, a catalyst calcined at 150 to 500 ° C. in an arbitrary gas atmosphere such as nitrogen may be used.
- the catalyst containing a noble metal is preferably used after being reduced before being used in the reaction. Although it does not restrict
- the method for reducing the catalyst containing the noble metal is not particularly limited, but heat treatment under hydrogen flow is preferable.
- the hydrogen may be diluted with an inert gas such as nitrogen or argon.
- the reduction temperature with hydrogen is usually 50 to 400 ° C., preferably 100 to 150 ° C., more preferably 125 to 135 ° C.
- the amount of hydrogen used is usually 1 to 20 mol, preferably 5 to 12 mol, per 1 mol of 2-aminoethanol.
- 2-Aminoethanol and acetone are usually mixed and then introduced into the reactor.
- the space velocity of the mixture in the reactor is usually 0.01 to 2 (g / cc-catalyst ⁇ h), preferably 0.1 to 1 (g / cc-catalyst ⁇ h) in terms of LHSV (liquid space velocity). ).
- the reaction is performed in the presence or absence of diluent.
- the diluent is not particularly limited as long as it is inert to the reaction, and any diluent can be used.
- Specific examples of the diluent include inert gases such as nitrogen and argon, aliphatic hydrocarbons such as hexane, heptane, octane, nonane, decane and undecane, and halogenated aliphatic hydrocarbons such as dichloromethane and 1,2-dichloroethane. Etc. can be used. You may use these individually or in mixture of 2 or more types.
- 2- (Isopropylamino) ethanol produced by the reaction can be collected by usual means such as cooling the reaction gas obtained after completion of the reaction or absorbing it in water or a solvent.
- the collected 2- (isopropylamino) ethanol can be isolated and purified by ordinary purification means such as distillation.
- Gas chromatographic analysis conditions Gas chromatograph: GC-2010 manufactured by Shimadzu Corporation Column: manufactured by J & W, HP-1, 50 m, inner diameter 0.32 mm, film thickness 1.05 ⁇ m Temperature: 50 ° C. ⁇ (10 ° C./min) ⁇ 250° C.
- Example 1 520 ml of 1 wt% palladium-alumina pellets (made by NP Chemcat, cylindrical shape with a diameter of 3.2 mm and a height of 3 mm) as a catalyst was packed in a reaction tube having an inner diameter of 20 mm, and carborundum was 100 cm long above and below it. Stuffed. The temperature of the reaction tube was raised to 128 to 132 ° C., and a catalyst was pretreated by flowing a mixture of hydrogen 1 l / min and nitrogen 1 l / min from the top for 1 hour.
- the reaction was conducted in the same manner as in Example 1 except that LHSV was changed to 0.58 g / cc-catalyst ⁇ hr (mixture of 2-aminoethanol and acetone).
- the average conversion of 2-aminoethanol from 77 to 93 hours after the start of the reaction was 100%, and the average yield of 2- (isopropylamino) ethanol (based on 2-aminoethanol) was 95.7%.
- Comparative Example 1 The reaction was conducted in the same manner as in Example 1 except that copper oxide / zinc oxide Actisorb (registered trademark) 301 (manufactured by Zude Chemie, extruded product having a diameter of 1.5 mm) was used as the catalyst. As a result, the yield of 2- (isopropylamino) ethanol was 5% or less.
- Comparative Example 2 The reaction was performed in the same manner as in Example 1 except that ⁇ -alumina (manufactured by Sumitomo Chemical Co., Ltd., spherical diameter: 2 to 4 mm) was used as the catalyst. As a result, the yield of 2- (isopropylamino) ethanol was 5% or less.
- Comparative Example 3 The reaction was performed in the same manner as in Example 1 except that stabilized nickel (manufactured by JGC Chemical Co., Ltd., columnar shape having a diameter of 2.8 mm and a height of 2.8 mm) was used. As a result, the yield of 2- (isopropylamino) ethanol was 5% or less.
- 2- (isopropylamino) ethanol can be obtained in a large amount and efficiently by subjecting acetone, 2-aminoethanol and hydrogen to gas phase catalytic reaction in the presence of a catalyst containing a noble metal.
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
(1)酸化プラチナ触媒の存在下、エタノール中でアセトンを2-アミノエタノールおよび1-2atmの水素と反応させて、2-(イソプロピルアミノ)エタノールを製造する方法(非特許文献1)。
(2)パラジウム-カーボン触媒の存在下、メタノール中で2-アミノエタノールと4.5MPaの水素の混合物に対しアセトンを反応させて、2-(イソプロピルアミノ)エタノールを製造する方法(特許文献1)。
ガスクロマトグラフ:島津製作所製GC-2010
カラム:J&W社製、HP-1,50m、内径0.32mm,膜厚1.05μm
温度:50℃→(10℃/min)→250℃
転化率(%)=反応した2-アミノエタノール(モル)/反応に供給した2-アミノエタノール(モル)×100
収率(%)=生成した2-(イソプロピルアミノ)エタノール(モル)/反応に供給した2-アミノエタノール(モル)×100
内径20mmの反応管に、触媒として1重量%パラジウム-アルミナペレット(エヌ・イー ケムキャット製、直径3.2mm×高さ3mmの円柱形)を520ml詰め、その上下にカーボランダムを各々100cmの長さに詰めた。この反応管を128~132℃に昇温して、上部から水素1l/minと窒素1l/minの混合物を1時間流して触媒の前処理を行った。触媒の前処理終了後、この反応管に2-アミノエタノール、アセトンおよび水素の混合物(混合モル比、2-アミノエタノール:アセトン:水素=1:4:9)をLHSV=0.5g/cc-触媒・hr(2-アミノエタノールとアセトンの混合物)で上部から流して、128~132℃で反応させた。反応管から排出される反応ガスを冷却した水に吸収させた後、その吸収液をガスクロマトグラフィーで分析した。反応開始から95~99時間の2-アミノエタノールの平均転化率は100%、2-(イソプロピルアミノ)エタノールの平均収率(2-アミノエタノール基準)は、96.0%であった。
0.5重量%プラチナ-アルミナペレット(エヌ・イー ケムキャット製、直径3.2mm×高さ3mmの円柱形)を触媒に用い、モル比を2-アミノエタノール:アセトン:水素=1:3:9とし、LHSVを0.58g/cc-触媒・hr(2-アミノエタノールとアセトンの混合物)とした以外は実施例1と同様にして反応した。反応開始から77~93時間の2-アミノエタノールの平均転化率は100%、2-(イソプロピルアミノ)エタノールの平均収率(2-アミノエタノール基準)は、95.7%であった。
触媒に酸化銅・酸化亜鉛Actisorb(登録商標)301(ズードケミー製、直径1.5mm押し出し成形品)を用いた以外は、実施例1と同様にして反応した。その結果、2-(イソプロピルアミノ)エタノールの収率は、5%以下であった。
触媒にγ-アルミナ(住友化学製、直径2~4mm球状)を用いた以外は、実施例1と同様にして反応した。その結果、2-(イソプロピルアミノ)エタノールの収率は、5%以下であった。
触媒に安定化ニッケル(日揮化学製、直径2.8mm×高さ2.8mmの円柱形)を用いた以外は、実施例1と同様にして反応した。その結果、2-(イソプロピルアミノ)エタノールの収率は、5%以下であった。
Claims (9)
- 貴金属を含有する触媒の存在下、アセトン、2-アミノエタノールおよび水素を気相接触反応させることを特徴とする2-(イソプロピルアミノ)エタノールの製造方法。
- 貴金属を含有する触媒が、パラジウム、プラチナおよびルテニウムからなる群より選ばれる少なくとも1種の貴金属を含有する触媒である請求項1に記載の2-(イソプロピルアミノ)エタノールの製造方法。
- 貴金属を含有する触媒が、使用前に還元処理した貴金属を含有する触媒である請求項1に記載の2-(イソプロピルアミノ)エタノールの製造方法。
- 貴金属を含有する触媒が、使用前に水素還元処理した貴金属を含有する触媒である請求項1に記載の2-(イソプロピルアミノ)エタノールの製造方法。
- 貴金属を含有する触媒が、使用前に100~150℃で水素還元処理した貴金属を含有する触媒である請求項1に記載の2-(イソプロピルアミノ)エタノールの製造方法。
- 貴金属を含有する触媒が、担体に担持させた貴金属を含有する触媒である請求項1に記載の2-(イソプロピルアミノ)エタノールの製造方法。
- 担体が、アルミナ、シリカおよびシリカ-アルミナからなる群より選ばれる少なくとも1種の担体である請求項6に記載の2-(イソプロピルアミノ)エタノールの製造方法。
- 100~150℃で気相接触反応させることを特徴とする請求項1~7のいずれかに記載の2-(イソプロピルアミノ)エタノールの製造方法。
- 貴金属を含有する触媒の存在下、アセトン、2-アミノエタノールおよび水素を気相接触反応させて得られる反応ガスを、水に吸収させることを特徴とする2-(イソプロピルアミノ)エタノールの製造方法。
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2874058A CA2874058C (en) | 2012-07-20 | 2013-07-12 | Method for producing 2-(isopropylamino)ethanol |
| CN201380030582.1A CN104350037B (zh) | 2012-07-20 | 2013-07-12 | 生产2-(异丙基氨基)乙醇的方法 |
| JP2014525711A JP6159327B2 (ja) | 2012-07-20 | 2013-07-12 | 2−(イソプロピルアミノ)エタノールの製造方法 |
| ES13819462.6T ES2663265T3 (es) | 2012-07-20 | 2013-07-12 | Método para producir 2-(isopropilamino)etanol |
| US14/407,513 US9102587B2 (en) | 2012-07-20 | 2013-07-12 | Method for producing 2-(isopropylamino)ethanol |
| EP13819462.6A EP2876101B1 (en) | 2012-07-20 | 2013-07-12 | Method for producing 2-(isopropylamino)ethanol |
| IN10350DEN2014 IN2014DN10350A (ja) | 2012-07-20 | 2014-12-04 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012161125 | 2012-07-20 | ||
| JP2012-161125 | 2012-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014013706A1 true WO2014013706A1 (ja) | 2014-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2013/004305 Ceased WO2014013706A1 (ja) | 2012-07-20 | 2013-07-12 | 2-(イソプロピルアミノ)エタノールの製造方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9102587B2 (ja) |
| EP (1) | EP2876101B1 (ja) |
| JP (1) | JP6159327B2 (ja) |
| CA (1) | CA2874058C (ja) |
| ES (1) | ES2663265T3 (ja) |
| IN (1) | IN2014DN10350A (ja) |
| WO (1) | WO2014013706A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020105498A1 (ja) * | 2018-11-22 | 2020-05-28 | ダイキン工業株式会社 | ペレット及び反応器 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009173553A (ja) | 2008-01-22 | 2009-08-06 | Koei Chem Co Ltd | 2−(イソプロピルアミノ)エタノールの製造方法 |
| WO2011067199A1 (de) * | 2009-12-03 | 2011-06-09 | Basf Se | Katalysator und verfahren zur herstellung eines amins |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7009081B2 (en) * | 2003-08-04 | 2006-03-07 | Air Products And Chemicals, Inc. | N-methylated amines from selective vapor phase amination of amino ether alcohols |
| ES2388682T3 (es) * | 2006-05-31 | 2012-10-17 | Basf Se | Método para la producción de una amina |
| FR2947265B1 (fr) * | 2009-06-25 | 2011-08-05 | Arkema France | Procede de preparation d'alkylalcanolamines |
-
2013
- 2013-07-12 JP JP2014525711A patent/JP6159327B2/ja active Active
- 2013-07-12 CA CA2874058A patent/CA2874058C/en active Active
- 2013-07-12 EP EP13819462.6A patent/EP2876101B1/en active Active
- 2013-07-12 ES ES13819462.6T patent/ES2663265T3/es active Active
- 2013-07-12 US US14/407,513 patent/US9102587B2/en active Active
- 2013-07-12 WO PCT/JP2013/004305 patent/WO2014013706A1/ja not_active Ceased
-
2014
- 2014-12-04 IN IN10350DEN2014 patent/IN2014DN10350A/en unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009173553A (ja) | 2008-01-22 | 2009-08-06 | Koei Chem Co Ltd | 2−(イソプロピルアミノ)エタノールの製造方法 |
| WO2011067199A1 (de) * | 2009-12-03 | 2011-06-09 | Basf Se | Katalysator und verfahren zur herstellung eines amins |
Non-Patent Citations (2)
| Title |
|---|
| ORGANIC SYNTHESES, vol. 26, 1946, pages 38 |
| See also references of EP2876101A4 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020105498A1 (ja) * | 2018-11-22 | 2020-05-28 | ダイキン工業株式会社 | ペレット及び反応器 |
| JP2020081958A (ja) * | 2018-11-22 | 2020-06-04 | ダイキン工業株式会社 | ペレット及び反応器 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2876101A1 (en) | 2015-05-27 |
| ES2663265T3 (es) | 2018-04-11 |
| CA2874058A1 (en) | 2014-01-23 |
| CA2874058C (en) | 2019-10-29 |
| US20150183718A1 (en) | 2015-07-02 |
| EP2876101B1 (en) | 2018-03-14 |
| JP6159327B2 (ja) | 2017-07-05 |
| EP2876101A4 (en) | 2016-03-02 |
| US9102587B2 (en) | 2015-08-11 |
| IN2014DN10350A (ja) | 2015-08-07 |
| CN104350037A (zh) | 2015-02-11 |
| JPWO2014013706A1 (ja) | 2016-06-30 |
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