发明名称 |
Novel crystalline 7-(2-(2-aminothiazol-4-yl)-2-hydroxyimino-acetamido)-3-vinyl-3-cephem-4-carboxzlic acid (synisomer) |
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 |
HK18496(A) |
申请公布日期 |
1996.02.09 |
申请号 |
HK19960000184 |
申请日期 |
1996.02.01 |
申请人 |
FUJISAWA PHARMACEUTICAL CO LTD |
发明人 |
TAKAO TAKAYA;FUMIYUKI SHIRAI;HITOSHI NAKAMURA;YASUNOBU INABA |
分类号 |
A61K31/545;C07D501/22 |
主分类号 |
A61K31/545 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|