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Natural products have been invaluable
as modulators of cell-cycle progression, leading frequently to the
discovery of novel therapeutic agents and development of new synthetic
concepts, reagents and transformations. Our unique approach lies
in the development of highly practical synthetic strategies to complex
bioactive natural products, followed by a rigorous and multidisciplinary
effort aimed at the determination of their mode of action at both
cellular and molecular levels. We have developed a practical synthetic
approach to leucascandrolide A, a highly cytotoxic marine metabolite,
that solved the material supply problem, and featured a concise,
convergent and stereocontrolled assembly of this complex natural
product in 18 steps. We recently disclosed a 15-step synthesis of
bistramide A, which provided unambiguous structural determination
of this natural product, including assignment of the complete relative
and absolute stereochemistry. Other natural products assembled in
our lab include pinolidoxin, herbarumin I, fukinone, and alpha-
and betta-eremophilanes.
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J. Am. Chem. Soc. 2004, 126, 9546
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J. Am. Chem. Soc. 2002, 124, 13670
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Angew. Chem. 2001, 40, 4757
Org. Lett. 2002,4, 3005 |