发明名称 |
PROCESS FOR PRODUCING 2-HYDROXY-4-METHYLTHIOBUTYRIC ACID |
摘要 |
The present invention provides a process for producing 2-hydroxy-4-methylthiobutyric acid comprising the following steps (1) to (4): (1): hydrolyzing 2-hydroxy-4-methylthiobutyronitrile in the presence of sulfuric acid, (2): separating the reaction mixture obtained in the step (1) into an oil layer containing 2-hydroxy-4-methylthiobutyric acid and a water layer, (3): concentrating the oil layer obtained in the step (2), and (4) heating the concentrated product obtained in the step (3).
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申请公布号 |
US2007213560(A1) |
申请公布日期 |
2007.09.13 |
申请号 |
US20050573728 |
申请日期 |
2005.08.12 |
申请人 |
SUMITOMO CHEMICAL COMPANY, LIMITED |
发明人 |
HAGA TORU;SHIOZAKI TETSUYA |
分类号 |
C07C319/12 |
主分类号 |
C07C319/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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