A Convenient Synthesis of 2,3-Disubstituted Benzo[<i>b</i>][1,8]naphthyridines; A Novel Annelation Reaction of 2,3-Disubstituted Quinolines
作者:Ranjan P. Srivastava、Neelima、A. P. Bhaduri
DOI:10.1055/s-1987-28530
日期:——
2-Chloro-3-(2-substituted 2-cyanovinyl)quinolines undergo cyclization on reaction with an excess of a secondary amine to give 3-substituted 2-aminobenzo[b][1,8]naphthyridines in moderate to high yields.
2-氯-3-(2-取代的 2-氰基乙烯基)喹啉与过量的仲胺发生环化反应,以中等至高产率得到 3-取代的 2-氨基苯并[b][1,8]萘啶。