The isolation, identification and total synthesis of two plant-derived inhibitors of the NF-κB signaling pathway from the iso--tanapartholide family of natural products is described. A key step in the efficient reaction sequence is a late-stage oxidative cleavage reaction that was carried out in the absence of protecting groups to give the natural products directly. A detailed comparison of the synthetic material with samples of the natural products proved informative. Biological studies on synthetic material confirmed that these compounds act late in the NF-κB signaling pathway. (© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009).
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3627315 | PMC |
http://dx.doi.org/10.1002/ejoc.200901016 | DOI Listing |
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