Synthesis of the Tricyclic Core of Aldingenin B by Oxidative Cyclo-Ketalization of an Alkyne-Diol

[摘要]：The preparation and selenium-mediated cyclo-ketalization of an alkyne-diol is described as a model study for the synthesis of aldingenin B. The oxidative cyclization is a simplifying transformation for aldingenin B, as it provides a convenient method for generating the tricylic core of the natural product from a functionalized cyclohexane.

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