A Convergent Approach to Dibenzodioxocinones: Synthesis of Racemic Penicillide

A convergent approach to dibenzodioxocinones was explored, thereby racemic penicillide ((±)-1a) could be obtained in 13 steps in 4.2% overall yield, based on 5-amino-2-methylphenol (5) (Schemes 2–4).

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