Ethyl (4-<i>N</i>-acylaminopyridin-3-yl)glyoxylate and 5-azaisatin as new synthons for a route to various new polyheterocycles
作者:Christian Rivalle、Emile Bisagni
DOI:10.1002/jhet.5570340213
日期:1997.3
From 4-N-protected-aminopyridines which were functionalized at their 3-position, 5-azaisatin and equivalent synthons where obtained. Via the use of the Pfitzinger reaction, these compounds provided an easy route to new and various polyheterocyclic compounds.
由在其3-位官能化的4- N-保护的氨基吡啶获得5-氮杂ai素和等效的合成子。通过使用Pfitzinger反应,这些化合物为制备新的和各种多杂环化合物提供了简便的途径。