Majetich George, Zou Ge, Grove Jeremy
Department of Chemistry, University of Georgia, Athens, Georgia 30602, USA.
Org Lett. 2008 Jan 3;10(1):85-7. doi: 10.1021/ol701743c. Epub 2007 Dec 4.
The achiral enynone shown cyclized to produce a tricyclic dienone that was converted in six steps to (-)-salviasperanol.