A. G.  Giri, Mondal, M. A., Puranik, V. G., and Ramana, C. V., ?Effect of the allylic substituents on ring closing metathesis: the total synthesis of stagonolide B and 4-epi-stagonolide B?, Organic & Biomolecular Chemistry, vol. 8, no. 2, pp. 398-406, 2010.