| 发明名称 |
Process for producing L-ascorbic acid |
| 摘要 |
A process for producing L-ascorbic acid, which comprises reacting 2-keto-L-gulonic acid with an acid in an ether or an inert organic solvent containing an ether in the presence of water and a surfactant.
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| 申请公布号 |
US5637734(A) |
申请公布日期 |
1997.06.10 |
| 申请号 |
US19950553027 |
申请日期 |
1995.11.03 |
| 申请人 |
TAKEDA CHEMICAL INDUSTRIES, LTD. |
发明人 |
HONDA, HARUOMI;YAMANO, TORU;YAMASHITA, MASAYUKI |
| 分类号 |
C07D307/62;(IPC1-7):C07D307/62 |
主分类号 |
C07D307/62 |
| 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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