Rhodium-Catalyzed [2 + 2] Cycloaddition of Ynamides with Nitroalkenes
作者:Donna L. Smith、Suresh Reddy Chidipudi、William R. Goundry、Hon Wai Lam
DOI:10.1021/ol302259v
日期:2012.9.21
In the presence of a diene-ligated rhodium complex, ynamides and nitroalkenes undergo catalytic [2 + 2] cycloadditions to provide cyclobutenamides. The presence of sodium tetraphenylborate was found to be crucial for the reactions to proceed efficiently.