BIS-IMIDE POLYCYCLIC AND HETEROCYCLIC CHROMOPHORES USEFUL AS TUMORICIDALS
申请人:THE DU PONT MERCK PHARMACEUTICAL COMPANY
公开号:EP0705250A1
公开(公告)日:1996-04-10
Syntheses of Naphtonaphthridines by Skraup Reaction Using 3-Aminobenzo(g or h)quinoline.
作者:Isao TAKEUCHI、Yoshiki HAMADA、Minoru HIROTA
DOI:10.1248/cpb.41.747
日期:——
Naphtho[2, 1-f][1, 7]naphthyridine (5, angular type) and naphtho[2, 1-b][1, 5]naphthyridine (6, linear type) were obtained by the Skraup reaction of 3-aminobenzo[h]quinoline (4), but 3-aminobenzo[g]quinoline gave only naphtho-[2, 3-f][1, 7]naphthyridine (18, angular type).