JPS57131736A - Isolation of alpha-oxyisobutyric acid - Google Patents
Isolation of alpha-oxyisobutyric acidInfo
- Publication number
- JPS57131736A JPS57131736A JP56018318A JP1831881A JPS57131736A JP S57131736 A JPS57131736 A JP S57131736A JP 56018318 A JP56018318 A JP 56018318A JP 1831881 A JP1831881 A JP 1831881A JP S57131736 A JPS57131736 A JP S57131736A
- Authority
- JP
- Japan
- Prior art keywords
- solution
- acid
- oxyisobutyric
- reaction product
- extracting medium
- 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.)
- Granted
Links
- 239000002253 acid Substances 0.000 title abstract 6
- 238000002955 isolation Methods 0.000 title 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 8
- 239000000243 solution Substances 0.000 abstract 5
- 239000007795 chemical reaction product Substances 0.000 abstract 4
- 230000002378 acidificating effect Effects 0.000 abstract 3
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 abstract 3
- 229910052921 ammonium sulfate Inorganic materials 0.000 abstract 3
- 235000011130 ammonium sulphate Nutrition 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- 239000003513 alkali Substances 0.000 abstract 2
- 238000000605 extraction Methods 0.000 abstract 2
- 230000007062 hydrolysis Effects 0.000 abstract 2
- 238000006460 hydrolysis reaction Methods 0.000 abstract 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 abstract 1
- 239000008346 aqueous phase Substances 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- WOFDVDFSGLBFAC-UHFFFAOYSA-N lactonitrile Chemical compound CC(O)C#N WOFDVDFSGLBFAC-UHFFFAOYSA-N 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000012071 phase Substances 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56018318A JPS57131736A (en) | 1981-02-10 | 1981-02-10 | Isolation of alpha-oxyisobutyric acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56018318A JPS57131736A (en) | 1981-02-10 | 1981-02-10 | Isolation of alpha-oxyisobutyric acid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57131736A true JPS57131736A (en) | 1982-08-14 |
| JPH0132813B2 JPH0132813B2 (enrdf_load_stackoverflow) | 1989-07-10 |
Family
ID=11968259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56018318A Granted JPS57131736A (en) | 1981-02-10 | 1981-02-10 | Isolation of alpha-oxyisobutyric acid |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57131736A (enrdf_load_stackoverflow) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004006826A1 (de) * | 2004-02-11 | 2005-08-25 | Röhm GmbH & Co. KG | Verfahren zur Herstellung von alpha-Hydroxy-carbonsäuren und deren Ester |
| DE102007050284A1 (de) | 2007-10-18 | 2009-04-23 | Evonik Röhm Gmbh | Verfahren zur Amidierung von Nitrilen in Gegenwart von Schwefelsäure |
| WO2022084274A1 (de) | 2020-10-23 | 2022-04-28 | Röhm Gmbh | Optimiertes verfahren zur herstellung von methacrylsäure (mas) und/oder alkylmethacrylat durch reduzierung störender nebenprodukte |
| WO2022084032A1 (de) | 2020-10-23 | 2022-04-28 | Röhm Gmbh | Optimiertes verfahren zur herstellung von alkylmethacrylat durch reduzierung störender nebenprodukte |
| WO2023169810A1 (de) | 2022-03-11 | 2023-09-14 | Röhm Gmbh | Verfahren zur herstellung von alpha-hydroxyisobuttersäuremethylester und dessen anwendung in der elektronik-industrie |
-
1981
- 1981-02-10 JP JP56018318A patent/JPS57131736A/ja active Granted
Non-Patent Citations (1)
| Title |
|---|
| ADVANCED ORGANIC CHEMISTRY=1977 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004006826A1 (de) * | 2004-02-11 | 2005-08-25 | Röhm GmbH & Co. KG | Verfahren zur Herstellung von alpha-Hydroxy-carbonsäuren und deren Ester |
| WO2005077878A1 (de) * | 2004-02-11 | 2005-08-25 | Röhm Gmbh | Verfahren zur herstellung von alpha-hydroxycarbonsäuren und deren ester |
| JP2007522156A (ja) * | 2004-02-11 | 2007-08-09 | レーム ゲゼルシャフト ミット ベシュレンクテル ハフツング | α−ヒドロキシカルボン酸及びそれらのエステルの製造方法 |
| US7423173B2 (en) | 2004-02-11 | 2008-09-09 | Roehm Gmbh & Co. Kg | Method for producing alpha-hydroxycarboxylic acids and the esters thereof |
| CN100582074C (zh) | 2004-02-11 | 2010-01-20 | 罗姆两合公司 | α-羟基羧酸及其酯的制备方法 |
| KR101148471B1 (ko) * | 2004-02-11 | 2012-05-23 | 에보니크 룀 게엠베하 | 알파-히드록시카르복실산 및 이의 에스테르 제조방법 |
| DE102007050284A1 (de) | 2007-10-18 | 2009-04-23 | Evonik Röhm Gmbh | Verfahren zur Amidierung von Nitrilen in Gegenwart von Schwefelsäure |
| WO2022084274A1 (de) | 2020-10-23 | 2022-04-28 | Röhm Gmbh | Optimiertes verfahren zur herstellung von methacrylsäure (mas) und/oder alkylmethacrylat durch reduzierung störender nebenprodukte |
| WO2022084032A1 (de) | 2020-10-23 | 2022-04-28 | Röhm Gmbh | Optimiertes verfahren zur herstellung von alkylmethacrylat durch reduzierung störender nebenprodukte |
| WO2023169810A1 (de) | 2022-03-11 | 2023-09-14 | Röhm Gmbh | Verfahren zur herstellung von alpha-hydroxyisobuttersäuremethylester und dessen anwendung in der elektronik-industrie |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0132813B2 (enrdf_load_stackoverflow) | 1989-07-10 |
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