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Totalsynthese J. Deng et al. präsentieren in der Zuschrift auf S. 17716 die kupferkatalysierte [5+2]‐Homodimerisierung von Hydroxy‐p‐chinon zu Bicyclo[3.2.1]octadienonen. Die Anwendung dieser Reaktion ermöglichte die neunstufige Totalsynthese von (−)‐Perezoperezon.
The first copper‐catalyzed intermolecular [5+2] homodimerization of hydroxy p‐quinone is presented, furnishing bicyclo[3.2.1]octadienone core structures in typically good yields and excellent diastereoselectivities. Applying this synthetic approach enables a concise nine‐step total synthesis of (−)‐perezoperezone from commercially available 3,5‐dimethoxytoluene.
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