Synthesis of the C1-C17 Macrolactone of Tedanolide

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The vinylogous Mukaiyama aldol reaction is a useful method to build up complex polyketide structures. It is successfully employed in the synthesis of the C1-C17 macrolactone of tedanolide, a highly cytotoxic marine natural product. These studies present a practical approach toward the total synthesis of tedanolide; it is pursued using the appropriate C13-C23 segment that is introduced by a pivotal aldol reaction to join both hemispheres.