| 发明名称 |
Recrystallization processes |
| 摘要 |
Mercaptoalkanoylamino lactam acids are recrystallized by treatment with an agent that minimizes the formation of disulfides. Suitable agents are bismercaptans, phosphine or phosphite reducing agents, zinc metal powder, and sodium hydrosulfite.
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| 申请公布号 |
US6486315(B2) |
申请公布日期 |
2002.11.26 |
| 申请号 |
US20010993872 |
申请日期 |
2001.11.16 |
| 申请人 |
BRISTOL-MYERS SQUIBB CO. |
发明人 |
KRONENTHAL DAVID R.;DESHPANDE RAJENDRA P.;SIMPSON JAMES |
| 分类号 |
C07D223/08;A61K31/554;A61P9/04;A61P9/12;C07D223/12;C07D513/04;(IPC1-7):C07D223/02;C07D281/02;C07D513/02 |
主分类号 |
C07D223/08 |
| 代理机构 |
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代理人 |
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