发明名称 |
THERMODYNAMICALLY STABLE CRYSTAL FORM OF 4-DEOXY-4-(EPI)-METHYLAMINO AVERMECTIN B1a/B1b BENZOIC ACID SALT AND PROCESSES FOR ITS PREPARATION |
摘要 |
<p>The most thermodynamically stable crystalline form of the benzoic acid salt of 4"-deoxy-4"-epi-methylamino avermectin B1a/B1b as the hemihydrate is obtained by crystallization from organic solvents containing a controlled amount of water.</p> |
申请公布号 |
GR3032164(T3) |
申请公布日期 |
2000.04.27 |
申请号 |
GR19990403202T |
申请日期 |
1999.12.16 |
申请人 |
MERCK & CO. INC. |
发明人 |
CVETOVICH, RAYMOND;DEMCHAK, RICHARD;MCCAULEY, JAMES, A.;VARSALONA, RICHARD, J. |
分类号 |
C07H17/08;A01N43/90;A01P7/04;C07D493/22;C07H17/04;C07H19/01;(IPC1-7):C07H17/08 |
主分类号 |
C07H17/08 |
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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