. 2010 Jan 28;15(2):660–671. doi: 10.3390/molecules15020660
© 2010 by the authors;
licensee Molecular Diversity Preservation International, 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 1.
General synthetic route.