| 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 |
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.
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| 申请公布号 |
CA2168843(C) |
申请公布日期 |
2004.10.19 |
| 申请号 |
CA19942168843 |
申请日期 |
1994.08.15 |
| 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 |
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