| 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 |
EP1233961(A2) |
申请公布日期 |
2002.08.28 |
| 申请号 |
EP20000993257 |
申请日期 |
2000.11.29 |
| 申请人 |
MERCK PATENT GMBH |
发明人 |
BATHE, ANDREAS;EMMERT, STEFFEN;HELFERT, BERND;BOETTCHER, HENNING |
| 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):C07D405/00 |
主分类号 |
C07D295/08 |
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