Total Synthesis of Selaginpulvilin C and D Relying on in Situ Formation of Arynes and Their Hydrogenation

2017-12-20T00:00:00Z (GMT) by Daesung Lee Rajdip Karmakar
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.

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