发明名称 |
Process for the production of imidazopyridines. |
摘要 |
<p>A novel process for the preparation of imidazopyridines of the general formula <IMAGE> wherein the radicals R1 to R4 have the meaning indicated in the description, is described. In the key step of the process an amidine of the formula <IMAGE> is cyclised with a 1,3-dicarbonyl compound of the general formula <IMAGE> The imidazopyridines are useful intermediates for the preparation of angiotensin II antagonists.</p> |
申请公布号 |
GR3022501(T3) |
申请公布日期 |
1997.05.31 |
申请号 |
GR19970400076T |
申请日期 |
1997.02.06 |
申请人 |
LONZA A.G. |
发明人 |
STUCKY, GERHARD, DR.;IMWINKELRIED, RENE, DR. |
分类号 |
A61K31/435;C07D;C07D255/02;C07D471/02;C07D471/04;C07D519/00;(IPC1-7):C07D471/04 |
主分类号 |
A61K31/435 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|