Zoanthenol, isolated from Zoanthus sp., possesses an extremely complex architecture including contiguous quaternary carbons. An enantioselective synthesis of the fully functionalized ABC-ring of zoanthenol has been achieved and is described herein. The key features of the synthesis are the enzymatic kinetic optical resolution and the Mizoroki-Heck/Simmons-Smith reaction strategy used to construct the congested asymmetric quaternary carbons.
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