Room Temperature, Copper-Catalyzed Amination of Bromonaphthyridines with Aqueous Ammonia
作者:Cyrus A. Anderson、Phillip G. Taylor、Mary A. Zeller、Steven C. Zimmerman
DOI:10.1021/jo100476x
日期:2010.7.16
Room temperature, copper-catalyzedamination of amido-bromo-1,8-naphthyridines is reported. Use of Cu2O and aqueousammonia at ambient temperature affords amination products in 10−87% yield. Bromonaphthyridines are prepared in 15−65% yield via treatment of amidonaphthyridinones with phosphorus tribromide. This methodology provides an alternative route to functional, nonsymmetric 2,7-diamido-1,8-naphthyridines