Total Synthesis of Selaginpulvilin C and D Relying on in Situ Formation of Arynes and Their Hydrogenation
journal contributionposted on 20.12.2017 by Daesung Lee, Rajdip Karmakar
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The total syntheses of selaginpulvilins C and D is described. The key strategy for the construction of the core fluorene moiety involves in situ formation of an aryne intermediate followed by its formal hydrogenation. The precursor tetraynes that undergo aromatization via hexadehydro Diels-Alder reaction were prepared from readily available building blocks through typical alkyne coupling reactions.