JPS57128653A - Preparation of alpha-oxyisobutyric acid - Google Patents
Preparation of alpha-oxyisobutyric acidInfo
- Publication number
- JPS57128653A JPS57128653A JP56014666A JP1466681A JPS57128653A JP S57128653 A JPS57128653 A JP S57128653A JP 56014666 A JP56014666 A JP 56014666A JP 1466681 A JP1466681 A JP 1466681A JP S57128653 A JPS57128653 A JP S57128653A
- Authority
- JP
- Japan
- Prior art keywords
- acid
- water
- acetone cyanhydrin
- reaction liquid
- yield
- 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 3
- MWFMGBPGAXYFAR-UHFFFAOYSA-N 2-hydroxy-2-methylpropanenitrile Chemical compound CC(C)(O)C#N MWFMGBPGAXYFAR-UHFFFAOYSA-N 0.000 abstract 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 4
- 239000012295 chemical reaction liquid Substances 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 2
- 238000007112 amidation reaction Methods 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 238000000354 decomposition reaction Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 230000003301 hydrolyzing effect Effects 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 238000007086 side reaction Methods 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 |
|---|---|---|---|
| JP56014666A JPS57128653A (en) | 1981-02-03 | 1981-02-03 | Preparation of alpha-oxyisobutyric acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56014666A JPS57128653A (en) | 1981-02-03 | 1981-02-03 | Preparation of alpha-oxyisobutyric acid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57128653A true JPS57128653A (en) | 1982-08-10 |
| JPS6361932B2 JPS6361932B2 (enrdf_load_stackoverflow) | 1988-11-30 |
Family
ID=11867529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56014666A Granted JPS57128653A (en) | 1981-02-03 | 1981-02-03 | Preparation of alpha-oxyisobutyric acid |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57128653A (enrdf_load_stackoverflow) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02229135A (ja) * | 1989-02-28 | 1990-09-11 | Kyowa Gas Chem Ind Co Ltd | ２―ヒドロキシ―４―フェニル酪酸の製造方法 |
| 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 |
| JP2007223993A (ja) * | 2006-02-27 | 2007-09-06 | Mitsubishi Rayon Co Ltd | 光学活性マンデル酸又はその誘導体の製造方法 |
| WO2017222043A1 (ja) * | 2016-06-24 | 2017-12-28 | 協和発酵バイオ株式会社 | ３－ヒドロキシイソ吉草酸アミノ酸塩の結晶及びその製造方法 |
| US10647653B2 (en) | 2015-11-19 | 2020-05-12 | Kyowa Hakko Bio Co., Ltd. | Crystal of monovalent cation salt of 3-hydroxyisovaleric acid and process for producing the crystal |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230416184A1 (en) | 2020-10-23 | 2023-12-28 | Röhm Gmbh | Optimized process for synthesizing alkyl methacrylate by reducing unwanted byproducts |
| WO2022084274A1 (de) | 2020-10-23 | 2022-04-28 | Röhm Gmbh | Optimiertes verfahren zur herstellung von methacrylsäure (mas) und/oder 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
- 1981-02-03 JP JP56014666A patent/JPS57128653A/ja active Granted
Non-Patent Citations (1)
| Title |
|---|
| ADVANCED ORGANIC CHEMISTRY=1977 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02229135A (ja) * | 1989-02-28 | 1990-09-11 | Kyowa Gas Chem Ind Co Ltd | ２―ヒドロキシ―４―フェニル酪酸の製造方法 |
| 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 |
| JP2007223993A (ja) * | 2006-02-27 | 2007-09-06 | Mitsubishi Rayon Co Ltd | 光学活性マンデル酸又はその誘導体の製造方法 |
| US10647653B2 (en) | 2015-11-19 | 2020-05-12 | Kyowa Hakko Bio Co., Ltd. | Crystal of monovalent cation salt of 3-hydroxyisovaleric acid and process for producing the crystal |
| WO2017222043A1 (ja) * | 2016-06-24 | 2017-12-28 | 協和発酵バイオ株式会社 | ３－ヒドロキシイソ吉草酸アミノ酸塩の結晶及びその製造方法 |
| JPWO2017222043A1 (ja) * | 2016-06-24 | 2019-06-20 | 協和発酵バイオ株式会社 | ３−ヒドロキシイソ吉草酸アミノ酸塩の結晶及びその製造方法 |
| US11098007B2 (en) | 2016-06-24 | 2021-08-24 | Kyowa Hakko Bio Co., Ltd. | Crystal of amino acid salt of 3-hydroxyisovaleric acid and production method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6361932B2 (enrdf_load_stackoverflow) | 1988-11-30 |
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