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Bidirectional Synthesis, Photophysical and Electrochemical Characterization of Polycyclic Quinones Using Benzocyclobutenes and Benzodicyclobutenes as Precursors
European Journal of Organic Chemistry  (IF3.021),  Pub Date : 2021-09-03, DOI: 10.1002/ejoc.202100848
Amr Mohamed Abdelmoniem, Ismail Abdelshafy Abdelhamid, Holger Butenschön

The synthesis of some new extended polycyclic quinones was achieved through a one-pot procedure comprising the cycloaddition of benzocyclobutene and benzodicyclobutene derivatives with benzoquinone or naphthoquinone. Notably, a highly symmetrical nonacene-hexaone could be prepared, albeit in low yields (5–7 %).