Abstract

The first total synthesis of repraesentin F has been accomplished by a highly diastereoselective gold(I)-catalyzed cyclization cascade as the key step. This cycloisomerization/Prins-type tandem transformation enabled direct access to the atypical tricyclic carbon skeleton of the natural product with the required syn/ anti/ syn ring fusion. This synthetic effort also allowed reassignment of the relative configuration of repraesentin F and determination of its absolute configuration.

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