- Rhodium-catalyzed [2 + 2] cycloaddition of ynamides with nitroalkenes.
Rhodium-catalyzed [2 + 2] cycloaddition of ynamides with nitroalkenes.
Organic letters (2012-09-08)
Donna L Smith, Suresh Reddy Chidipudi, William R Goundry, Hon Wai Lam
PMID22954424
ABSTRACT
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.