Au-catalyzed reaction of propargylic sulfides and dithioacetals

作者:Peng Lingling; Zhang Xiu; Zhang Shiwei; Wang Jianbo*
来源:Journal of Organic Chemistry, 2007, 72(4): 1192-1197.
DOI:10.1021/jo0618674

摘要

Propargylic sulfides and dithioacetals are found to undergo similar transformations as propargylic carboxylates when catalyzed by AuCl or AuCl3, affording indene derivatives through pentannulation of aromatic rings. The reaction presumably involves Au carbene as the reactive intermediate.