Citation:
Dong C-G, Henderson JA, Kaburagi Y, Sasaki T, Kim D-S, Kim JT, Urabe D, Guo H, Kishi Y. New Syntheses of E7389 and Halichondrin C14-C38 Building Blocks: Reductive Cyclization and Oxy-Michael Cyclization Approaches. J. Am. Chem. Soc. 2009;131 :15642 .