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The regioregular synthesis of the first azaborine oligomers and a corresponding conjugated polymer was accomplished by Suzuki–Miyaura coupling methods. An almost perfectly coplanar syn arrangement of the heterocycles was deduced from an X‐ray crystal structure of the dimer, which also suggested that NH⋅⋅⋅π interactions play an important role. Computational studies further supported these experimental...
Regioreguläre 1,2‐Azaborin‐Oligomere und ein Polymer wurden von F. Jäkle, S.‐Y. Liu et al. synthetisiert. Wie die Autoren in ihrer Zuschrift auf S. 11343 ff. erläutern, zeigen diese Materialien bathochrome Verschiebungen der Absorptions‐ und Emissionsmaxima mit zunehmender Kettenlänge, in Übereinstimmung mit einer langen effektiven Konjugationslänge. Eine Röntgenkristallstruktur des Dimers und Computerstudien...
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