Gold-Catalyzed Oxidative Cyclization of 4-Allenyl-1-ynes with 8-Methylquinoline Oxide
作者:Rahul Kisan Kawade、Rai-Shung Liu
DOI:10.1021/ol4020199
日期:2013.8.16
Gold-catalyzedoxidativecyclizations of 4-allenyl-1-ynes with 8-methylquinoline oxide are described; diverse products are produced depending on the allenyl substituents. This reaction comprises initial formation of α-oxo gold carbenes that are attacked by allene to form allyl cation intermediates.