Presented herein is a facile stereoselective construction of synthetically versatile chiral and achiral (E)-α-haloenamides under mild conditions utilizing N-halosuccinimides and diphenylphosphine oxide. This reaction is metal-free, mild, efficient, very rapid, and practical and highlights the synthetic versatility of ynamides. The reaction has a broad substrate scope; both chiral and achiral ynamides
本文提出了在温和条件下利用N-卤代琥珀
酰亚胺和
二苯基膦氧化物合成通用手性和非手性( E )-α-卤代烯酰胺的简便立体选择性结构。该反应无
金属、温和、高效、快速且实用,凸显了炔酰胺合成的多功能性。反应底物范围广;手性和非手性炔酰胺均已在很短的时间内转化为相应的 ( E )-α-卤代烯酰胺,而不会影响选择性或复杂性。