| 发明名称 |
Certain pyrano (3,4-f)-indolizine derivatives |
| 摘要 |
A pyranoindolizine derivative represented by the following general formula (I): <IMAGE> (I) wherein R means a hydrogen atom or hydroxyl group and Q denotes >C=O or <IMAGE> with a proviso that Q is other than >C=O when R is a hydrogen atom. Its preparation process is also described.
|
| 申请公布号 |
US4778891(A) |
申请公布日期 |
1988.10.18 |
| 申请号 |
US19860919388 |
申请日期 |
1986.10.16 |
| 申请人 |
DAIICHI SEIYAKU CO., LTD.;KABUSHIKI KAISHA YAKULT HONSHA |
发明人 |
TAGAWA, HIROAKI;TERASAWA, HIROFUMI;EJIMA, AKIO |
| 分类号 |
C07D491/052;C07D491/147;C07D491/22;C07D493/14;C07D493/20;C07D493/22;(IPC1-7):C07D491/14;C07D491/20 |
主分类号 |
C07D491/052 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
