Novel construction of diversely functionalized N-heteroaryl-2-pyridones via copper(<scp>ii</scp>)-catalyzed [3+2+1] annulation
作者:Muhammad Saeed Akhtar、Jae-Jin Shim、Sung Hong Kim、Yong Rok Lee
DOI:10.1039/c7nj03013d
日期:——
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.