A Copper-Catalyzed C−N Bond Formation Involving sp-Hybridized Carbons. A Direct Entry to Chiral Ynamides via N-Alkynylation of Amides
作者:Michael O. Frederick、Jason A. Mulder、Michael R. Tracey、Richard P. Hsung、Jian Huang、Kimberly C. M. Kurtz、Lichun Shen、Christopher J. Douglas
DOI:10.1021/ja021304j
日期:2003.3.1
A copper-catalyzed new C-N bond formation involving a sp-hybridized carbon is described here leading to a facile entry for syntheses of chiral ynamides. This direct N-alkynylation of amides should have a significant impact on the future development of synthetic methodologies employing ynamides.