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Studies Targeting Ryanodol Result in an Annulation Reaction for the Synthesis of a Variety of Fused Carbocycles

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posted on 12.07.2019, 12:34 authored by Rajdip Karmakar, Arnold L. Rheingold, Glenn C. Micalizio
An annulation reaction is described to access a range of polycyclic and highly oxygenated carbocycles. First developed in an approach to the synthesis of ryanodol, metallacycle-mediated annulative diketone–alkyne coupling defines a framework for realization of new retrosynthetic relationships for complex molecule synthesis. In addition to demonstrating this reaction in the context of forging distinct carbocyclic systems, including those featuring a seven-membered ring, the choice of quenching reagent leads to unique reaction outcomes.

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