Muhammad Saeed Akhtar, Jae-Jin Shim, Sung Hong Kim and Yong Rok Lee
New J. Chem., 2017,41, 13027-13035
DOI:
10.1039/C7NJ03013D,
Paper
A facile and novel one-pot construction of diversely functionalized N-heteroaryl-2-pyridones is achieved by Cu(OTf)2-catalyzed [3+2+1] annulation of various 2-aminopyridines and β-enamino esters. The [3+2+1] annulation proceeds via domino two Michael additions/elimination/isomerization/intramolecular cyclization.