发明名称 |
NOVEL CRYSTALLINE 7-(2-(2-AMINOTHIAZOL-4-YL)-2-HYDROXYIMINOACETAMIDO)-3-VINYL-3-CEPHEM-4-CARBOXYLIC ACID(SYN ISOMER) |
摘要 |
Crystalline 7-[2-(2-aminothiazol-4-yl)-2-hydroxyiminoacetamido]-3-vinyl-3-cephem-4 -carboxyli c acid (syn isomer) which is obtainable by acidifying a solution containing 7-[2-(2-aminothiazol-4-yl)-2-hydroxyiminoacetamido-3-vinyl-3-cephem-4- carboxylic acid (syn isomer) at room temperature or under warming. Such crystalline compound shows a characteristic X-ray diffraction pattern. The invention comprises also processes for preparing such crystalline compound and pharmaceutical compositions containing it as active ingredient. |
申请公布号 |
KR970008126(B1) |
申请公布日期 |
1997.05.21 |
申请号 |
KR19880010489 |
申请日期 |
1988.08.18 |
申请人 |
FUJISAWA PHARMACEUTICAL KK. |
发明人 |
TAKAYA, TAKAO;SHIRAI, FUMIYUKI;NAKAMURA, HITOSHI |
分类号 |
A61K31/545;C07D501/22 |
主分类号 |
A61K31/545 |
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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