1. Connolly, J. D.; Hill, R. A. In Dictionary of Terpenoids, 1st ed.; Chapman and Hall: London, 1991; Vol. 1, pp. 299–300. Also see: Fraga, B. M. Nat. Prod. Rep. 1992, 9, 217–241; 1993, 10, 397–419; 1994, 11, 533–554; 1995, 12, 303–320; 1996, 13, 307–326; 1997, 14, 145–162; 1998, 15, 73–92.
2. Srikrishna, A.; Rao, M. S. Tetrahedron Lett. 2001, 42, 5781–5782 and references cited therein.
3. This type of approach has recently been reported for the synthesis of herbertenes: (a) Abad, A.; Agullo, C.; Cunat, A. C.; Perni, R. H. J. Org. Chem. 1999, 64, 1741–1744; (b) Ho, T. L.; Chang, M. H. J. Chem. Soc., Perkin Trans. 11999, 2479–2482; (c) Tori, M.; Miyako, T.; Sono, M. Tetrahedron: Asymmetry1997, 8, 2731–2738.
4. New total synthesis of (±)-herbertene, (±)-β-herbertenol and (±)-herbertenediol
5. A total synthesis of (±)-herbertene