JPS6361932B2 - - Google Patents
Info
- Publication number
- JPS6361932B2 JPS6361932B2 JP56014666A JP1466681A JPS6361932B2 JP S6361932 B2 JPS6361932 B2 JP S6361932B2 JP 56014666 A JP56014666 A JP 56014666A JP 1466681 A JP1466681 A JP 1466681A JP S6361932 B2 JPS6361932 B2 JP S6361932B2
- Authority
- JP
- Japan
- Prior art keywords
- reaction
- acetone cyanohydrin
- water
- molar ratio
- acid
- 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.)
- Expired
Links
- MWFMGBPGAXYFAR-UHFFFAOYSA-N 2-hydroxy-2-methylpropanenitrile Chemical compound CC(C)(O)C#N MWFMGBPGAXYFAR-UHFFFAOYSA-N 0.000 claims description 44
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 238000006460 hydrolysis reaction Methods 0.000 claims description 14
- 230000007062 hydrolysis Effects 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 24
- 238000003786 synthesis reaction Methods 0.000 description 8
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000003756 stirring Methods 0.000 description 5
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000007112 amidation reaction Methods 0.000 description 2
- -1 but in this process Chemical compound 0.000 description 2
- 239000012295 chemical reaction liquid Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- OVARTBFNCCXQKS-UHFFFAOYSA-N propan-2-one;hydrate Chemical compound O.CC(C)=O OVARTBFNCCXQKS-UHFFFAOYSA-N 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- ACFWNPRMLAECCX-UHFFFAOYSA-N formonitrile propan-2-one Chemical compound N#C.CC(C)=O ACFWNPRMLAECCX-UHFFFAOYSA-N 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- NTQWADDNQQUGRH-UHFFFAOYSA-N hydrogen sulfate;2-methylprop-2-enoylazanium Chemical compound OS(O)(=O)=O.CC(=C)C(N)=O NTQWADDNQQUGRH-UHFFFAOYSA-N 0.000 description 1
- 239000012442 inert solvent Substances 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- IIACRCGMVDHOTQ-UHFFFAOYSA-N sulfamic acid Chemical compound NS(O)(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-N 0.000 description 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 JPS57128653A (en) | 1982-08-10 |
| JPS6361932B2 true 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 (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Families Citing this family (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 |
| DE102004006826A1 (de) * | 2004-02-11 | 2005-08-25 | Röhm GmbH & Co. KG | Verfahren zur Herstellung von alpha-Hydroxy-carbonsäuren und deren Ester |
| JP4925410B2 (ja) * | 2006-02-27 | 2012-04-25 | 三菱レイヨン株式会社 | 光学活性マンデル酸又はその誘導体の製造方法 |
| KR20180088809A (ko) | 2015-11-19 | 2018-08-07 | 가부시키가이샤 오츠카 세이야쿠 코죠 | 3-히드록시이소발레르산의 1가 양이온염의 결정 및 그 결정의 제조 방법 |
| AU2017282515A1 (en) * | 2016-06-24 | 2019-01-17 | Otsuka Pharmaceutical Factory, Inc. | Crystal of β-hydroxy β-methylbutyric acid amino acid salt and production method therefor |
-
1981
- 1981-02-03 JP JP56014666A patent/JPS57128653A/ja active Granted
Non-Patent Citations (1)
| Title |
|---|
| ADVANCED ORGANIC CHEMISTRY=1977 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
|---|---|
| JPS57128653A (en) | 1982-08-10 |
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