1. Other trisoxazole-containing macrolides are (a) kabiramides A−E (Matsunaga, S.; Fusetani, N.; Hashimoto, K.; Koseki, K.; Noma, M.; Noguchi, H.; Sankawa, U.J. Org. Chem.1989,54, 1360−1363), (b) ulapualides A and B (Roesener, J. A.; Scheuer, P. J.J. Am. Chem. Soc.1986,108, 846−847), (c) halichondramides (Kernan, M. R.; Molinski, T. F.; Faulkner, J. D.J. Org.Chem.1988,53, 5014−5020), and (d) jaspisamides A−C (Kobayashi, J.; Murata, O.; Shigemori, H.J. Nat. Prod.1993,56, 787−791).