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
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