| 发明名称 |
FOERFARANDE FOER FRAMSTAELLNING AV CEFALOSPORIN. |
| 摘要 |
The title compds. (I; R1=C1-5 alkyl gp. opt. substitutable by carboxyl or diphenylmethoxycarbonyl; R2=H, diphenylmethyl or C2-5 alkanoyloxy-C1-3 alkyl gp. ; R3=C1-5 alkyl gp. or Cl substituted 1,2,4-triazol-1-yl, 1,2,3,4-tetrazol-2-yl or 2,3-dioxo- 1,2,3,4,tetrahydropyrazine-1-yl gp.) useful as antibiotics, are prepd. by the dehydrogenation of II or its salt. |
| 申请公布号 |
FI86184(B) |
申请公布日期 |
1992.04.15 |
| 申请号 |
FI19850001173 |
申请日期 |
1985.03.22 |
| 申请人 |
TOYAMA CHEMICAL CO., LTD. |
发明人 |
IMAIZUMI, HIROYUKI;INABA, TAKIHIRO;TAKENO, RYUKO;MORITA, SEISHI;MUROTANI, YOSHIHARU;YOSHIDA, JUNICHI;TAKASHIMA, KENICHI;TAKANO, SHUNTARO;SAIKAWA, ISAMU |
| 分类号 |
C07D501/24;C07D277/38;C07D501/04;C07D501/06;C07D501/46;(IPC1-7):C07D501/46;C07D501/02 |
主分类号 |
C07D501/24 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
