Access to Coumarins by Rhodium-Catalyzed Oxidative Annulation of Aryl Thiocarbamates with Internal Alkynes
作者:Yingwei Zhao、Feng Han、Lei Yang、Chungu Xia
DOI:10.1021/acs.orglett.5b00364
日期:2015.3.20
A Rh-catalyzed annulation of aryl thiocarbamates with internal alkynes via C–H bond activation has been developed. This protocol provides a new route to 3,4-disubstituted coumarins.