| 发明名称 |
Crystalline gamma-form bestatin and processes for its preparation |
| 摘要 |
A stable, non-hygroscopic, crystalline gamma -form of bestatin is prepared from the alpha - or beta -form of bestatin by heating at a temperature of from about 148 DEG C. to the melting point of bestatin, or by suspending or kneading in certain specified solvents.
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| 申请公布号 |
US4769490(A) |
申请公布日期 |
1988.09.06 |
| 申请号 |
US19870033277 |
申请日期 |
1987.04.02 |
| 申请人 |
MICROBIAL CHEM RES FOUND |
发明人 |
TERADA, TAKASHI;SAINO, TETSUSHI;SAKURAI, TERUKATSU;UMEZAWA, HAMAO;ISHIZUKA, MASAAKI |
| 分类号 |
C07C231/00;C07C67/00;C07C233/12;C07C237/20;(IPC1-7):C07C99/00 |
主分类号 |
C07C231/00 |
| 代理机构 |
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