| 发明名称 |
Process for obtaining 17-spirolactones in steroids |
| 摘要 |
The invention relates to processes for obtaining steroids with a spirolactone group in position 17, particularly to industrially obtaining 6beta,7beta; 15beta,16beta-dimethylene-3-oxo-17alpha-pregn-4-ene-21,17-carbolactone, commonly known as Drospirenone, as well as to intermediates useful in said process.
|
| 申请公布号 |
US8524693(B2) |
申请公布日期 |
2013.09.03 |
| 申请号 |
US20100816406 |
申请日期 |
2010.06.16 |
| 申请人 |
IGLESIAS RETUERTO JESUS MIGUEL;GUTIERREZ FUENTES LUIS GERARDO;LORENTE BONDE-LARSEN ANTONIO;CRYSTAL PHARMA, S.A. |
发明人 |
IGLESIAS RETUERTO JESUS MIGUEL;GUTIERREZ FUENTES LUIS GERARDO;LORENTE BONDE-LARSEN ANTONIO |
| 分类号 |
A61K31/58;A61K31/56;A61K31/585;C07J21/00;C07J53/00 |
主分类号 |
A61K31/58 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
