| 发明名称 |
Method for producing 5-(1-piperazinyl)-benzofuran-2-carboxamide by transition metal-catalyzed amination |
| 摘要 |
<p>Process for the preparation of 5-(1-piperazinyl)benzofuran-2-carboxamide in which, as intermediate step, 5-bromosalicylaldehyde or one of its derivatives is reacted in a transition metal-catalysed amination with R<2>-piperazine, in which R<2 >is as defined in claim 1.</p> |
| 申请公布号 |
HK1053471(A1) |
申请公布日期 |
2006.08.11 |
| 申请号 |
HK20030105834 |
申请日期 |
2003.08.14 |
| 申请人 |
MERCK PATENT GMBH |
发明人 |
ANDREAS BATHE;STEFFEN EMMERT;BERND HELFERT;HENNING BOETTCHER |
| 分类号 |
C07D295/08;C07B61/00;C07D295/04;C07D295/10;C07D295/112;C07D295/20;C07D295/205;C07D295/28;C07D307/85;C07D405/00;C07D405/04;(IPC1-7):C07D |
主分类号 |
C07D295/08 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
