Crowning glory: An unprecedented [2]catenane that exhibits a donor–acceptor–donor–acceptor stacking motif was obtained through intramolecular Bingel reactions of [60]fullerene monoadducts that bear a naphthalenetetracarboxylic diimide moiety, in the presence of 1,5‐dinaphtho[38]crown‐10 ether at −78 °C (see scheme; DBU=1,8‐diazabicyclo[5.4.0]undec‐7‐ene).
Catenan mit Buckyball: Ein [2]Catenan mit Donor‐Acceptor‐Donor‐Acceptor‐Stapelmotiv bildet sich durch die intramolekulare Bingel‐Reaktion eines monosubstituierten [60]Fullerens mit einer Naphthalintetracarbonsäurediimid‐Einheit in der Seitenkette in Gegenwart eines cyclischen 1,5‐Dinaphtho[38]krone‐10‐polyethers bei −78 °C (siehe Bild; DBU=1,8‐Diazabicyclo[5.4.0]undec‐7‐en).
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