| 发明名称 |
METHOD FOR PURIFYING (2S,3S)-2,3-DIHYDRO-3-HYDROXY-2- (METHOXYPHENYL)-1,5-BENZOTHIAZEPINE-4(5H)-ONE |
| 摘要 |
A purification method of intermediates for the preparation of Diltiazem which consists of the crystallization of a mixture enantiomerically enriched in (2S,3S)-2,3-dihydro-3-hydroxy-2-(4-methoxyphenyl)-1,5-benzothiazepin-4(5H)-one is described. |
| 申请公布号 |
JPH0348671(A) |
申请公布日期 |
1991.03.01 |
| 申请号 |
JP19900178494 |
申请日期 |
1990.07.04 |
| 申请人 |
ZANBON GROUP SPA |
发明人 |
KURAUDEIO JIYORUDAANO;DARIO TENTORIO;ROORA RUSOO |
| 分类号 |
C07B57/00;C07D281/10 |
主分类号 |
C07B57/00 |
| 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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