Construction of Heptagon-Containing Molecular Nanocarbons

Chaolumen; Iain A Stepek; Keigo E Yamada; Hideto Ito; Kenichiro Itami

doi:10.1002/anie.202100260

Construction of Heptagon-Containing Molecular Nanocarbons

Angew Chem Int Ed Engl. 2021 Oct 25;60(44):23508-23532. doi: 10.1002/anie.202100260. Epub 2021 Jul 8.

Authors

Chaolumen¹, Iain A Stepek¹, Keigo E Yamada², Hideto Ito², Kenichiro Itami^{1

2

3}

Affiliations

¹ Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Chikusa, Nagoya, 464-8602, Japan.
² Department of Chemistry, Graduate School of Science, Nagoya University, Chikusa, Nagoya, 464-8602, Japan.
³ Institute of Chemistry, Academia Sinica, Nankang, Taipei, 115, Taiwan, R.O.C.

PMID: 33547701
DOI: 10.1002/anie.202100260

Abstract

Molecular nanocarbons containing heptagonal rings have attracted increasing interest due to their dynamic behavior, electronic properties, aromaticity, and solid-state packing. Heptagon incorporation can not only induce negative curvature within nanocarbon scaffolds, but also confer significantly altered properties through interaction with adjacent non-hexagonal rings. Despite the disclosure of several beautiful examples in recent years, synthetic strategies toward heptagon-embedded molecular nanocarbons remain relatively limited due to the intrinsic challenges of heptagon formation and incorporation into polyarene frameworks. In this Review, recent advances in solution-mediated and surface-assisted synthesis of heptagon-containing molecular nanocarbons, as well as the intriguing properties of these frameworks, will be discussed.

Keywords: defects; electronic materials; heptagons; nanocarbons; polycyclic aromatic hydrocarbons.

Publication types

Review
Research Support, Non-U.S. Gov't