WO2007125909A1 - 3-メチル-1,5-ペンタンジオールの製造方法 - Google Patents
3-メチル-1,5-ペンタンジオールの製造方法 Download PDFInfo
- Publication number
- WO2007125909A1 WO2007125909A1 PCT/JP2007/058835 JP2007058835W WO2007125909A1 WO 2007125909 A1 WO2007125909 A1 WO 2007125909A1 JP 2007058835 W JP2007058835 W JP 2007058835W WO 2007125909 A1 WO2007125909 A1 WO 2007125909A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- reaction
- hydrogenation
- mpd
- catalyst
- hydrogenation catalyst
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B61/00—Other general methods
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C31/18—Polyhydroxylic acyclic alcohols
- C07C31/20—Dihydroxylic alcohols
Definitions
- the present invention relates to a method for producing 3-methyl-1,5-pentanediol (hereinafter referred to as “MPD”).
- MPD 3-methyl-1,5-pentanediol
- the MPD obtained by the present invention is useful as a raw material for various polymers such as polyester and polyurethane.
- Patent Document 1 Japanese Patent Laid-Open No. 60-202835
- Patent Document 2 JP-A 61-249940
- Patent Document 3 Japanese Patent Laid-Open No. 1-100139
- MPAE ⁇ -methyl- ⁇ valerolacto
- MVL ⁇ -methyl- ⁇ valerolacto
- MPAE is a monohydroxy compound
- the polymerization end is blocked, causing a problem that the molecular weight of the polymer does not increase. . Therefore, it is very important to increase the purity of MPD for such applications.
- Patent Document 3 is characterized in that molybdenum-modified Raney nickel is used to suppress the formation of by-products (MP AE and MVL) that cause deterioration of the hydrogenation catalyst. is there.
- the method described in Patent Document 3 has a problem that other than this special Raney-Neckel, a commonly used hydrogenated catalyst such as Raney nickel or Raney cobalt cannot be substituted (Patent Document 3, page 2). , Lower left column, line 15 to lower right column, line 3).
- the object of the present invention is not limited to molybdenum-modified Raney nickel, but also a commonly used hydrogenation catalyst used in the production of MPD by MHP hydrogenation reaction, and by-products such as MP AE and MVL are usually used.
- An object of the present invention is to provide an industrially advantageous method for producing MPD in a high yield by suppressing the formation and high purity!
- the present invention relates to MPD by hydrogenating MHP in the presence of a hydrogenation catalyst.
- FIG. 1 is a diagram showing an outline of a reaction apparatus used in Example 10.
- the present invention relates to a method for producing MPD by hydrogenating MHP in the presence of a hydrogenation catalyst, and further in the presence of a basic compound. is there.
- the hydrogenation catalyst that can be used in the present invention is a known catalyst used for aldehyde hydrogenation (for example, "Practical catalyst for each reaction", published by Chemical Industry Co., Ltd., 1970, p. 111-). 141 and p. 176-180), for example, nickel, Raney nickel, palladium, Raney cobalt, copper chromium oxide, platinum, ruthenium and the like. Of these hydrogenation catalysts, Raney-Neckel and Raney Conoleto are particularly preferably used from the viewpoint of easy handling and economical efficiency.
- the hydrogenation catalyst either a heterogeneous catalyst or a homogeneous catalyst may be used, but it is preferable to use a heterogeneous catalyst from the standpoint of convenience in removing the hydrogenation catalyst after completion of the reaction.
- a catalyst supported on a carrier such as activated charcoal, diatomaceous earth, silica, alumina or the like can be used.
- Such heterogeneous catalysts include chromium, molybdenum, aluminum, and tungsten. It may be modified by, for example.
- One hydrogenation catalyst may be used alone, or two or more may be used in combination.
- the amount of the hydrogenation catalyst used is usually preferably in the range of 0.01 to 3% by mass with respect to the total amount of the reaction solution in the reactor, and is preferably in the range of 0.1 to 1% by mass. Is more preferable.
- a powerful hydrogenation catalyst may be suspended in water.
- the basic compound used in the present invention is not particularly limited as long as it is a basic inorganic compound or basic organic compound that does not adversely affect the hydrogenation reaction.
- strong basic inorganic compounds include alkali metal hydroxides such as sodium hydroxide and potassium hydroxide; alkali metal carbonates such as sodium carbonate and potassium carbonate; alkali metals such as sodium hydrogen carbonate Examples include bicarbonates; alkaline metal hydroxides such as magnesium hydroxide and calcium hydroxide; and alkali metal alkoxides such as sodium methoxide.
- Examples of basic organic compounds include tertiary amines such as triethylamine, tributylamine, trioctylamine, and triethanolamine.
- the amount of basic compound used is 150 ⁇ relative to the total amount of reaction solution in the reactor! The range of ⁇ 5000 ppm (mass ratio) is preferred, and the range of 150 ppm to 1000 ppm (mass ratio) is more preferred. If the amount of basic compound used is less than 150 ppm (mass ratio) with respect to the total amount of the reaction liquid in the reactor, the effect of simultaneously suppressing the by-product of MPAE and MVL tends to be small.
- the basic compound When it exceeds 5000 ppm (mass ratio) with respect to the total amount of the reaction liquid in the reactor, it tends to cause side reactions such as aldol reaction.
- the basic compound When the basic compound is a solid, it can be added to the reaction solution as it is. To avoid variation in the concentration distribution in the reaction solution, it is preferably added in the form of a solution.
- the solvent used in the solution is not particularly limited as long as the basic compound is sufficiently dissolved and does not react with the reaction product, for example, alcohol such as methanol, ethanol, 2-propanol, MPD, or water. Etc.
- the basic compound When the basic compound is used as a solution, its concentration is not particularly limited, but it is usually preferably in the range of 5 to 70% by mass from the viewpoint of handling.
- the basic compound When the basic compound is liquid, it can be added to the reaction solution as it is.
- the concentration of the basic compound in the reaction solution can be calculated by extracting a part of the reaction solution and titrating with an acidic standard substance of known concentration (for example, 0. OlmolZL hydrochloric acid aqueous solution). .
- the present invention can be carried out either in the presence or absence of a solvent.
- the solvent is not particularly limited as long as it does not adversely affect the hydrogenation reaction, for example, alcohols such as methanol, ethanol, n-propyl alcohol, isopropyl alcohol, n-butenoaleanol, isopentyl alcohol, MPD; tetrahydrofuran, And ethers such as dioxane. These solvents may be used alone or in combination of two or more. Among these, it is preferable to use MPD as a solvent.
- the MPD may be an MPD generated according to the present invention.
- the amount of solvent used is preferably in the range of 10 to 95% by mass with respect to the total amount of the reaction solution.
- the reaction temperature in the present invention is not particularly limited, but it is usually preferably in the range of 50 to 200 ° C from the viewpoint of MHP stability, hydrogenation catalyst activity, economy and operability. More preferably, it is in the range of 60 to 150 ° C.
- the reaction pressure is not particularly limited, but in terms of operability, safety, reaction efficiency and economy, it is generally preferable to be in the range of 0 to 20 MPa (gauge pressure). 0 l to 2 MPa (gauge) Pressure) range is more preferred.
- reaction time is usually preferably in the range of 1 to 50 hours, from the viewpoint of suppressing the formation of by-products such as MPAE and MVL, in the range of 2 to 30 hours. More preferably.
- a heterogeneous hydrogenation catalyst When a heterogeneous hydrogenation catalyst is used, the form of use of the catalyst in the reaction system is arbitrary, and examples thereof include a suspension tank type, a fixed bed type, and a fluidized bed type.
- a homogeneous hydrogenation catalyst as the reactor, for example, a stirring reaction tank, a bubble tower reaction tank, a distillation tower reaction tank, or the like can be used.
- a heterogeneous or homogeneous hydrogenation catalyst it can be carried out by any of the batch method, semi-batch method and continuous method, but from the viewpoint of production efficiency, it is carried out by a continuous method. Is preferred.
- the batch method for example, in a hydrogen atmosphere, hydrogenation catalyst, MHP, basic compound And if necessary, the solvent can be charged into the reactor all at once and stirred at a predetermined temperature and a predetermined pressure for a predetermined time.
- a hydrogenation catalyst, a basic compound and, if necessary, a solvent are charged into a reactor in a hydrogen atmosphere and mixed at a predetermined temperature and a predetermined pressure.
- a part of MHP is supplied to start the reaction.
- the reaction can be carried out for a predetermined time while introducing the remaining MHP continuously or intermittently over time.
- the continuous method for example, at a predetermined temperature and a predetermined pressure, in the presence of a hydrogenation catalyst, MHP, a basic compound and, if necessary, a solvent are continuously or intermittently supplied to the reactor, respectively.
- the reaction can be carried out by stirring for a predetermined time and taking out the reaction mixture obtained during the reaction and taking it out continuously or intermittently.
- Separation and purification of MPD from the reaction mixture obtained by the above method can be carried out by a method used for the separation and purification of ordinary organic compounds.
- the hydrogenation catalyst is separated from the reaction mixture by means of filtration, sedimentation separation, centrifugation, etc., and then the residue is distilled to obtain MPD having a high purity.
- the reason why MPD with high purity can be obtained by vigorous distillation is that the by-product of MPAE can be extremely reduced in the hydrogenation reaction of the present invention (see the following examples).
- the MHP used in the present invention can be produced by a known method (see Patent Documents 1 and 2).
- IPEA is converted to rhodium such as Rh (CO) or Rh (acac) (CO).
- IPEA can be produced by reacting with carbon monoxide and hydrogen at 60 to 150 ° C. and 1 to 20 MPa in the presence of the compound.
- the IPEA can also be produced by the following method, which is easily available industrially.
- IPEA can be produced by reacting isobutene and 37 mass% formaldehyde water at 235 to 400 ° C, preferably at 5 to 50 MPa (see Japanese Patent Publication No. 47-47362).
- Example 1 the reaction and analysis were performed in the same manner as in Example 1 except that the conditions were set as shown in Table 1. The results are shown in Table 2, respectively.
- Example 3 B-1 1 3 W 1 '1 0 1 2 0 5
- Example 4 B-2 1 1 2 Z n 1 5 0 1 4 0 5
- Example 5 B-2 1 1 2 Z x) 1 0 0 1 4 0 5
- BK- 1 1 3 AW (trade name); 1.2 mass 0/0 Moripuden modified Raney nickel Degussa (D egussa) Co.
- Example 1 instead of 1.87 ml of ImolZL aqueous solution of sodium hydroxide and sodium hydroxide (equivalent to 500 ppm with respect to the total mass of the charged reaction solution in terms of sodium hydroxide and sodium hydroxide), 0.38 ml of 10% aqueous solution of sodium carbonate The reaction and analysis were carried out in the same manner as in Example 1, except that (in terms of sodium carbonate, equivalent to 25 Oppm with respect to the total mass of the charged reaction solution) was used. As a result, the conversion rate was 83.1%, MPD selectivity was 93.2%, MPAE selectivity was 2.1%, and MVL selectivity was 2.5%.
- Example 8 In Example 1, instead of 1.87 ml of ImolZL aqueous solution of sodium hydroxide and sodium hydroxide (corresponding to 500 ppm with respect to the total mass of the charged reaction solution in terms of sodium hydroxide), 0.5 mol / L of aqueous solution of sodium hydroxide was used. The reaction and analysis were carried out in the same manner as in Example 1, except that 0.54 ml of a potassium aqueous solution (equivalent to 10 ppm of the total mass of the charged reaction solution in terms of potassium hydroxide) was used. As a result, the conversion rate was 86.8%, the MPD selectivity was 93.8%, the MPAE selectivity was 2.0%, and the MVL selectivity was 2.9%.
- Example 1 instead of 1.87 ml of ImolZL sodium hydroxide aqueous solution (corresponding to 500 ppm with respect to the total mass of the charged reaction solution in terms of sodium hydroxide), 0.067 ml of triethanolamine (charged)
- the reaction and analysis were performed in the same manner as in Example 1 except that 500 ppm was used with respect to the total mass of the reaction solution.
- the conversion rate was 84.6%
- the MPD selectivity was 94.3%
- the MPAE selectivity was 3.3%
- the MVL selectivity was 1.7%.
- the present invention was carried out by the continuous method as follows.
- Reactor 1 with an internal volume of lm 3 was charged with 1.2% by mass of molybdenum-modified Raney nickel BK-1 13AW (concentration in reaction solution 0.5% by mass) and MHP, and reactor 1 was charged with hydrogen gas.
- the hydrogenation reaction was started at a reaction temperature of 120 ° C while maintaining 88 MPa (gauge pressure).
- MHP molybdenum-modified Raney nickel BK-1 13AW
- MHP concentration in reaction solution 0.5% by mass
- the concentration of sodium hydroxide in the reaction solution is 150-250pp.
- m mass ratio
- the residence time of the reaction liquid in the reactor 1 was 24 hours.
- the component composition of the liquid phase portion in the reactor 1 was measured by gas chromatography to be MPD 92.3%, MPAE 0.1%, and MVL 2.0%.
- the reaction mixture separated from BK113AW by the solid-liquid separator 2 was sufficiently purified via the evaporator 3 and the distillation column 4.
- the top force of distillation column 4 The composition of the distillate distilled was measured by gas chromatography. MPD99.
- Example 10 by adding a basic compound in the MHP hydrogenation reaction, MPAE and MVL by-products that cause deactivation of the hydrogenation catalyst can be effectively suppressed, Therefore, it can be seen that the activity of the hydrogenation catalyst could be maintained high for a long time.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007800153611A CN101432255B (zh) | 2006-04-28 | 2007-04-24 | 3-甲基-1,5-戊二醇的制备方法 |
JP2008513214A JP5101495B2 (ja) | 2006-04-28 | 2007-04-24 | 3−メチル−1,5−ペンタンジオールの製造方法 |
KR1020087023248A KR101364249B1 (ko) | 2006-04-28 | 2007-04-24 | 3-메틸-1,5-펜탄디올의 제조 방법 |
AT07742270T ATE524427T1 (de) | 2006-04-28 | 2007-04-24 | Verfahren zur herstellung von 3-methyl-1,5- pentandiol |
CA2650550A CA2650550C (en) | 2006-04-28 | 2007-04-24 | Method for producing 3-methyl-1,5-pentanediol |
EP07742270A EP2017248B1 (en) | 2006-04-28 | 2007-04-24 | Method for production of 3-methyl-1,5-pentanediol |
US12/298,549 US7560601B2 (en) | 2006-04-28 | 2007-04-24 | Method for producing 3-methyl-1,5-pentanediol |
HK09106232.6A HK1127025A1 (en) | 2006-04-28 | 2009-07-13 | Method for production of 3-methyl-1,5-pentanediol |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006-125269 | 2006-04-28 | ||
JP2006125269 | 2006-04-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007125909A1 true WO2007125909A1 (ja) | 2007-11-08 |
Family
ID=38655435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/058835 WO2007125909A1 (ja) | 2006-04-28 | 2007-04-24 | 3-メチル-1,5-ペンタンジオールの製造方法 |
Country Status (10)
Country | Link |
---|---|
US (1) | US7560601B2 (ja) |
EP (1) | EP2017248B1 (ja) |
JP (1) | JP5101495B2 (ja) |
KR (1) | KR101364249B1 (ja) |
CN (1) | CN101432255B (ja) |
AT (1) | ATE524427T1 (ja) |
CA (1) | CA2650550C (ja) |
ES (1) | ES2368270T3 (ja) |
HK (1) | HK1127025A1 (ja) |
WO (1) | WO2007125909A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014196530A1 (ja) | 2013-06-04 | 2014-12-11 | 株式会社クラレ | 多価アルコールの製造方法 |
JP2014234375A (ja) * | 2013-06-04 | 2014-12-15 | 株式会社クラレ | 多価アルコールの製造方法 |
US10144687B2 (en) | 2011-07-04 | 2018-12-04 | Mitsubishi Chemical Corporation | Method for producing 1,4-butanediol |
CN114163302A (zh) * | 2021-11-29 | 2022-03-11 | 万华化学集团股份有限公司 | 一种3-甲基-1,5-戊二醇的制备方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2730555B1 (en) | 2011-07-08 | 2018-09-05 | Mitsubishi Chemical Corporation | Composition containing 1,4-butanediol |
US9688650B2 (en) * | 2013-04-29 | 2017-06-27 | Basf Se | Method for producing 2-substituted 4-hydroxy-4-methyl-tetrahydropyrans in a reactor cascade |
CN108191648B (zh) * | 2017-12-19 | 2021-03-09 | 万华化学集团股份有限公司 | 一种联产3-甲基-1,5-戊二醇和c1~c6醇的方法 |
CN113880689B (zh) * | 2021-11-12 | 2023-05-30 | 万华化学集团股份有限公司 | 一种3-甲基-1,5-戊二醇的制备方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5745120A (en) * | 1980-08-01 | 1982-03-13 | Hydrocarbon Research Inc | Production of sorbitol by contact hydrogenation of glucose |
JPS60202835A (ja) | 1984-03-14 | 1985-10-14 | Kuraray Co Ltd | 3−メチルペンタン−1,5−ジオ−ルの製造法 |
JPS61172838A (ja) * | 1985-01-28 | 1986-08-04 | Mitsubishi Chem Ind Ltd | 高級アルデヒドの水添方法 |
JPS61249941A (ja) * | 1985-04-23 | 1986-11-07 | ソシエテ アトケム | 2,2,2−トリフルオロエタノ−ルの合成方法 |
JPS61249940A (ja) | 1985-04-26 | 1986-11-07 | Kuraray Co Ltd | 3−メチルペンタン−1,5−ジオ−ルの製造方法 |
JPH01100139A (ja) | 1987-10-13 | 1989-04-18 | Kuraray Co Ltd | 3−メチルペンタン−1,5−ジオールの製造方法 |
JPH11236341A (ja) * | 1997-12-10 | 1999-08-31 | Celanese Gmbh | アルコールの製造方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4663468A (en) * | 1984-03-14 | 1987-05-05 | Kuraray Company, Ltd. | Hydroformylation of 3-methyl-3-buten-1-ol and analogs thereof and use of such hydroformylation products |
JP3795547B2 (ja) * | 1994-05-31 | 2006-07-12 | 協和発酵ケミカル株式会社 | 1,5−ペンタンジオール誘導体の製造方法 |
DE19935828A1 (de) * | 1999-07-29 | 2001-02-01 | Basf Ag | Herstellung von Pentandiolen aus Alkoxydihydropyranen |
-
2007
- 2007-04-24 WO PCT/JP2007/058835 patent/WO2007125909A1/ja active Application Filing
- 2007-04-24 JP JP2008513214A patent/JP5101495B2/ja active Active
- 2007-04-24 KR KR1020087023248A patent/KR101364249B1/ko active IP Right Grant
- 2007-04-24 CA CA2650550A patent/CA2650550C/en active Active
- 2007-04-24 EP EP07742270A patent/EP2017248B1/en active Active
- 2007-04-24 US US12/298,549 patent/US7560601B2/en active Active
- 2007-04-24 ES ES07742270T patent/ES2368270T3/es active Active
- 2007-04-24 CN CN2007800153611A patent/CN101432255B/zh active Active
- 2007-04-24 AT AT07742270T patent/ATE524427T1/de not_active IP Right Cessation
-
2009
- 2009-07-13 HK HK09106232.6A patent/HK1127025A1/xx unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5745120A (en) * | 1980-08-01 | 1982-03-13 | Hydrocarbon Research Inc | Production of sorbitol by contact hydrogenation of glucose |
JPS60202835A (ja) | 1984-03-14 | 1985-10-14 | Kuraray Co Ltd | 3−メチルペンタン−1,5−ジオ−ルの製造法 |
JPS61172838A (ja) * | 1985-01-28 | 1986-08-04 | Mitsubishi Chem Ind Ltd | 高級アルデヒドの水添方法 |
JPS61249941A (ja) * | 1985-04-23 | 1986-11-07 | ソシエテ アトケム | 2,2,2−トリフルオロエタノ−ルの合成方法 |
JPS61249940A (ja) | 1985-04-26 | 1986-11-07 | Kuraray Co Ltd | 3−メチルペンタン−1,5−ジオ−ルの製造方法 |
JPH01100139A (ja) | 1987-10-13 | 1989-04-18 | Kuraray Co Ltd | 3−メチルペンタン−1,5−ジオールの製造方法 |
JPH11236341A (ja) * | 1997-12-10 | 1999-08-31 | Celanese Gmbh | アルコールの製造方法 |
Non-Patent Citations (1)
Title |
---|
"hannoubetu jituyou shokubai", 1970, KAGAKU KOUGYOUSHA, pages: 111 - 141 |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10144687B2 (en) | 2011-07-04 | 2018-12-04 | Mitsubishi Chemical Corporation | Method for producing 1,4-butanediol |
WO2014196530A1 (ja) | 2013-06-04 | 2014-12-11 | 株式会社クラレ | 多価アルコールの製造方法 |
JP2014234375A (ja) * | 2013-06-04 | 2014-12-15 | 株式会社クラレ | 多価アルコールの製造方法 |
KR20160034249A (ko) | 2013-06-04 | 2016-03-29 | 가부시키가이샤 구라레 | 다가 알코올의 제조 방법 |
EP3006422A4 (en) * | 2013-06-04 | 2017-02-22 | Kuraray Co., Ltd. | Process for producing polyhydric alcohol |
JPWO2014196530A1 (ja) * | 2013-06-04 | 2017-02-23 | 株式会社クラレ | 多価アルコールの製造方法 |
US10029965B2 (en) | 2013-06-04 | 2018-07-24 | Kuraray Co., Ltd. | Process for producing polyhydric alcohol |
CN114163302A (zh) * | 2021-11-29 | 2022-03-11 | 万华化学集团股份有限公司 | 一种3-甲基-1,5-戊二醇的制备方法 |
CN114163302B (zh) * | 2021-11-29 | 2023-10-17 | 万华化学集团股份有限公司 | 一种3-甲基-1,5-戊二醇的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20080112248A (ko) | 2008-12-24 |
CA2650550C (en) | 2013-06-04 |
ATE524427T1 (de) | 2011-09-15 |
KR101364249B1 (ko) | 2014-02-14 |
CN101432255B (zh) | 2013-04-24 |
EP2017248B1 (en) | 2011-09-14 |
JP5101495B2 (ja) | 2012-12-19 |
EP2017248A4 (en) | 2010-05-19 |
CA2650550A1 (en) | 2007-11-08 |
ES2368270T3 (es) | 2011-11-15 |
US20090099392A1 (en) | 2009-04-16 |
US7560601B2 (en) | 2009-07-14 |
JPWO2007125909A1 (ja) | 2009-09-10 |
HK1127025A1 (en) | 2009-09-18 |
EP2017248A1 (en) | 2009-01-21 |
CN101432255A (zh) | 2009-05-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5101495B2 (ja) | 3−メチル−1,5−ペンタンジオールの製造方法 | |
KR101582107B1 (ko) | 네오펜틸 글리콜의 제조방법 | |
JP2002526519A (ja) | アルキルアルカノエートの精製用プロセス | |
JP2002526520A (ja) | 酢酸エチルの製造用プロセス | |
TW200413295A (en) | Process for producing alcohol | |
ZA200607633B (en) | Process for production of purified alcohols | |
US10737993B2 (en) | Method for producing indancarbaldehyde | |
JP5442001B2 (ja) | 高純度末端オレフィン化合物の製造方法 | |
WO2015193423A1 (en) | Process for producing ethanol | |
EP2837617B1 (en) | Process for producing alicyclic aldehydes | |
JP4890107B2 (ja) | 2−ヒドロキシ−4−メチルテトラヒドロピランの製造方法 | |
JP2010235516A (ja) | 精製ジオールの製造方法 | |
JP4332084B2 (ja) | N−アルキル置換アミノフェノール類の製造方法 | |
JP5564088B2 (ja) | トランス−1,4−ジアミノシクロヘキサンの製造方法 | |
JP2001302650A (ja) | エポキシシクロドデカンの製造法 | |
JP2003206253A (ja) | アルコキシ置換2−テトラロンの製造法 | |
JP2007031429A (ja) | テトラフルオロベンゼンカルバルデヒドアルキルアセタールの製造方法 | |
JP2004067592A (ja) | アミノ−フェニルピペリジンの製造法 | |
JP2000198766A (ja) | N,n―ジ分岐アルキルアニリン類の製造方法 | |
US20120178970A1 (en) | Method for producing cyclohexyl alkyl ketones | |
JP2005272373A (ja) | 4,4’−ジヒドロキシジシクロヘキシルエーテルの製造方法 | |
JPH07258239A (ja) | インデンオキサイドの精製方法 | |
EP1893556A2 (en) | Process for preparing tetrafluorobenzene carbaldehyde alkyl acetal | |
JP2005089401A (ja) | 精製トリシクロ[5.2.1.02,6]デカン−2−カルボン酸エチルエステルの製造方法 | |
JP2001031617A (ja) | 3−アルコキシアルカナ−ルおよび3−アルコキシアルカノ−ルの製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 07742270 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020087023248 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2008513214 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2650550 Country of ref document: CA |
|
WWE | Wipo information: entry into national phase |
Ref document number: 12298549 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 200780015361.1 Country of ref document: CN |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2007742270 Country of ref document: EP |