1. For reviews of sesterterpene chemistry see: (a) Hanson, J. R.Nat. Prod.Rep.1996,13, 529−535. (b) Crews, P.; Naylor, S. InProgress in Chemistryof Organic Natural Products; Hertz, W., Grisebach, H., Kirby, G. W., Tamm, Ch., Eds.; Spring-Verlag: New York, 1985; Vol. 48, Chapter 3, pp 203−269.
2. Three New Scalarane-Based Sesterterpenes from the Tropical Marine Sponge Strepsichordaia lendenfeldi