| 发明名称 |
Dihydroetorphines and Their Preparation |
| 摘要 |
The present invention provides a process for the preparation of a compound of formula (VI), or a salt or derivative thereof,;;wherein R1 and R2 are independently C1-8 alkyl and * represents a stereocentre. |
| 申请公布号 |
US2015133483(A1) |
申请公布日期 |
2015.05.14 |
| 申请号 |
US201414473751 |
申请日期 |
2014.08.29 |
| 申请人 |
EURO-CELTIQUE S.A. |
发明人 |
WHITELOCK Steve;HARDING Deborah Phyllis;TURNER Carl David |
| 分类号 |
C07D489/12;C07D489/02 |
主分类号 |
C07D489/12 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A process for the preparation of a compound of formula (VI), or a salt or derivative thereof,wherein R1 and R2 are independently C1-8 alkyl and * represents a stereocentre, comprising hydrolysing a compound of formula (V)wherein R1, R2 and * are as defined above. |
| 地址 |
Luxembourg LU |
