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An Approach toward Constructing the Trioxadispiroketal Core in the DEF-Ring of (+)-Spirastrellolide A

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journal contribution
posted on 05.09.2014, 00:00 by Yi-Biao Wu, Yu Tang, Guo-Ying Luo, Yang Chen, Richard P. Hsung
A concise and stereoselective synthesis of the trioxadispiroketal motif that embodies the DEF-ring of the marine macrolide (+)-spirastrellolide A is described. The synthetic approach features a sequence of cyclic acetal tethered ring-closing metathesis and Suárez oxidative cyclization, thereby constituting a viable strategy for constructing the Northern Half.

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