Biphenylene-containing polycyclic conjugated compounds

• Cagatay Dengiz

Beilstein J. Org. Chem. 2023, 19, 1895–1911, doi:10.3762/bjoc.19.141

• ; biphenylene; [N]phenylenes; polycyclic aromatic compounds; Introduction Acenes represent an important category of carbon-rich polycyclic aromatic hydrocarbons (PAHs) characterized by the presence of linearly fused benzene rings [1][2]. Investigating the electronic properties of acenes is essential for

• while mitigating the aforementioned challenges to the best possible extent. Our focus in this review is primarily on exploring the role of biphenylenes in stabilizing the core structures of acenes and other PAHs. Review Biphenylenes and [N]phenylenes Biphenylene (1), which consists of two aromatic

• biphenylenes and the emergence of a family of polycyclic hydrocarbons called [N]phenylenes. The utilization of cobalt-mediated alkyne trimerization facilitated the synthesis of [N]phenylenes exhibiting diverse structural configurations, including linear 7, angular 8, zig-zag 9, bent 10, branched 11, and cyclic