pubmed-article:20822172 | pubmed:abstractText | (-)-Spongidepsin 1, a cytotoxic marine natural product, was prepared via two iridium-catalyzed hydrogenation reactions; both were highly stereoselective, giving convenient access to pivotal intermediates. This synthesis was modified to give several spongidepsin analogues, and their cytotoxicities were compared with those of the natural product. | lld:pubmed |