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.
A n class="Chemical">coppern>-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.
Authors: Kyle A DeKorver; Whitney L Johnson; Yu Zhang; Richard P Hsung; Huifang Dai; Jun Deng; Andrew G Lohse; Yan-Shi Zhang Journal: J Org Chem Date: 2011-05-24 Impact factor: 4.354