. 2013 Oct 24;18(11):13124–13138. doi: 10.3390/molecules181113124
© 2013 by the authors; licensee MDPI, Basel, Switzerland.
This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).
Scheme 5.
Synthesis of burseran (3) via 3-benzylfuran.