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Increasing the length of N‐heteroacenes or their analogues is highly desirable because such materials could have great potential applications in organic electronics. In this report, the large π‐conjugated N‐heteroquinone 6,10,17,21‐tetra‐((triisopropylsilyl)ethynyl)‐5,7,9,11,16,18,20,22‐octaazanonacene‐8,19‐dione (OANQ) has been synthesized and characterized. The as‐prepared OANQ shows high stability...
Cyclo[8]isoindol, das über eine sattelförmige Struktur verfügt (siehe Bild, 2), wurde durch oxidative Kupplung von Bicyclo[2.2.2]octadien(BCOD)‐kondensierten 2,2′‐Bipyrrolen und anschließende Retro‐Diels‐Alder‐Reaktion eines BCOD‐kondensierten Cyclo[8]pyrrols (1) synthetisiert. Schlüsseltrends bei den optischen Spektren ringanellierter Cyclo[8]pyrrole werden anhand von magnetischen Circulardichroismus‐Spektren...
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