Publication Details (including relevant citation information):
Tisdale, E. J.; Li, H.; Vong, B. G.; Kim, S. H.; Theodorakis, E. A. Regioselective synthesis of the tricyclic core of lateriflorone. Org. Lett. 2003, 5, 1491-1494.
Two different routes to the tricyclic core of Garcinia-derived natural products are described. The first approach is based on a tandem Claisen/Diels-Alder rearrangement and delivers the desired lactone. The second approach, employing a Wessely oxidation/Diels-Alder protocol, leads to the same caged heterocycle, albeit with modified constitution.
Address (URL): http://dx.doi.org/10.1021/ol017278w