发明名称 |
METHOD FOR PREPARING SILODOSIN |
摘要 |
The present invention relates to a process for preparing silodosin with high optical purity up to 99.9% enantiomeric excess (e.e.) or above. The process makes use of a method step, in which the enantiomers contained in a racemic mixture of a compound represented by the general formula V: wherein * denotes the asymmetric center, R1 is a protecting group, and R2 is cyano or carbamoyl, are separated. |
申请公布号 |
EP2768806(A1) |
申请公布日期 |
2014.08.27 |
申请号 |
EP20120783113 |
申请日期 |
2012.10.19 |
申请人 |
SANDOZ AG |
发明人 |
KUMAR LUTHRA, PARVEN;BHUTA, SACHIN;ABHINAY, CHANDRAKANT PISE;DATTATRAYA, N., CHAVAN;SHASHIKANT, D., METKAR |
分类号 |
C07D209/08 |
主分类号 |
C07D209/08 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|