1. (b) Heathcock, C. H.; Graham, S. L.; Pirrung, M. C.; Plavac, F.; White, C. T. InThe TotalSynthesis of Natural Products; ApSimon, J. W., Ed.; Wiley and Sons: New York, 1981; Vol. 5, p 35.
2. (c) Pirrung, M. C.; Morehead, A. T. InThe TotalSynthesis of Natural Products; Goldsmith, D., Ed.; Wiley and Sons: New York, 1997; Vol. 10, p 29.
3. Terpenoids—LXIX