Fürstner, A., Fasching, B., O'Neil, G. W., Fenster, M. D. B., Godbout, C., & Ceccon, J. (2007). Toward the total synthesis of spirastrellolide A. Part 3: Intelligence gathering and preparation of a ring-expanded analogue. Chemical Communications, (29), 3045-3047. doi:10.1039/B707835H.