Ethyl (4-N-Acylaminopyridin-3-yl)glyoxylate and 5-Azaisatin as New Synthons for a Route to Various New Polyheterocycles

Article abstract of DOI:10.1002/jhet.5570340213

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 compoun