Palladium-Catalyzed C–H Alkenylation of Arenes Using Thioethers as Directing Groups
作者:Ming Yu、Yongju Xie、Chunsong Xie、Yuhong Zhang
DOI:10.1021/ol3006997
日期:2012.4.20
Thioethers have been proven to be reliable directinggroups for palladium catalyzed alkenylation of arenes via C–H activation. Mechanistic investigation reveals that the C–H cleavage of arenes is the turnover-limiting step, and an acetate-bridged dinuclear cyclopalladation intermediate is involved. The alkenylated thioethers can be easily removed and transformed into a variety of useful groups.