Copper(II)-Catalyzed Amidations of Alkynyl Bromides as a General Synthesis of Ynamides and <i>Z</i>-Enamides. An Intramolecular Amidation for the Synthesis of Macrocyclic Ynamides
作者:Xuejun Zhang、Yanshi Zhang、Jian Huang、Richard P. Hsung、Kimberly C. M. Kurtz、Jossian Oppenheimer、Matthew E. Petersen、Irina K. Sagamanova、Lichun Shen、Michael R. Tracey
DOI:10.1021/jo060230h
日期:2006.5.1
method for the coupling of a wide range of amides with alkynyl bromides is described here. This novel amidation reaction involves a catalytic protocol using copper(II) sulfate-pentahydrate and 1,10-phenanthroline to direct the sp-C−N bond formation, leading to a structurally diverse array of ynamides including macrocyclic ynamides via an intramolecular amidation. Given the surging interest in ynamide chemistry
在此描述了用于将各种酰胺与炔基溴化物偶联的通用且有效的方法。这种新颖的酰胺化反应涉及使用五水合硫酸铜(II)和1,10-菲咯啉来指导sp-C-N键形成的催化方案,从而通过分子内酰胺化形成结构上多样的酰胺,包括大环酰胺。鉴于对酰胺化学的浓厚兴趣,这种原子经济的酰胺合成方法应引起有机合成界的进一步关注。