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 |
IE882411(L) |
申请公布日期 |
1989.02.19 |
申请号 |
IE19880002411 |
申请日期 |
1988.08.05 |
申请人 |
ETABLISSEMENTS NATIVELLE S.A., |
发明人 |
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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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