Tatsuo Onnagawa, Yusuke Shima, T. Yoshimura
Jul 6, 2016
Citations
0
Influential Citations
6
Citations
Journal
Tetrahedron Letters
Abstract
Abstract 3-Ethoxycyclobutanones reacted with pyridines, quinolines, and isoquinolines to give the corresponding formal [4+2] cycloadducts, 9a-hydro-2H-quinolizin-2-one derivatives, by using Me3SiOTf in acetonitrile. Cycloaddition of 3-ethoxy-2-monoalkylcyclobutanones to 5-nitroquinoline or 4-cyanopyridine proceeded stereoselectively.