发明名称 |
CRYSTALLINE DERIVATIVES OF N-ACETYLONEURAMINIC ACID AND METHOD OF OBTAINING THEM |
摘要 |
Two useful crystal hydrates of 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-D-glycero-D-galacto-non-2-enopyranosonic acid have either a low or high aspect ratio. These crystalline N-acetyl neurominic acid derivatives are favored for pharmaceutical formulation because of their physical properties. For example, the low aspect ratio crystal has good flow properties, and the high aspect ratio crystal has a stable water content over time. |
申请公布号 |
PL186384(B1) |
申请公布日期 |
2004.01.30 |
申请号 |
PL19940315055 |
申请日期 |
1994.12.15 |
申请人 |
BIOTA SCIENTIFIC MANAGEMENT PTY LTD |
发明人 |
WILLIAMSON CHRISTOPHER;WHITE WILLIAM J.;PATEL VIPULKUMAR |
分类号 |
A61K31/35;A61K31/351;A61P31/12;C07D309/28 |
主分类号 |
A61K31/35 |
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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