B<sub>2</sub>N<sub>2</sub>‑Dibenzo[<i>a</i>,<i>e</i>]pentalenes: Effect of the BN Orientation
Pattern on Antiaromaticity and Optoelectronic Properties
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Abstract
Two BN units were
embedded in dibenzo[<i>a</i>,<i>e</i>]pentalene
with different orientation patterns, which significantly
modulated its antiaromaticity and optoelectronic properties. Importantly,
the vital role of the BN orientation in conjugated molecules with
more than one BN unit was demonstrated for the first time. This work
indicates a large potential of the BN/CC isosterism for the development
of new antiaromatic systems and highlights the importance of precise
control of the BN substitution patterns in conjugated materials