Abstract
All together now! A unique RhI-catalyzed reaction was developed to produce γ-pyrones, which are 1,3,5-triketone equivalents. This reaction was thought to proceed by three redox reactions of allylic alcohols, two intermolecular aldol reactions of α,β-unsaturated aldehydes, and one intramolecular aldol reaction to afford 1,3-cyclohexanediones, which were then converted into γ-pyrones (see scheme; TMSOTf=trimethylsilyl trifluoromethanesulfonate).
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