Helical Nanographenes Embedded with Contiguous Azulene Units.

Journal of the American Chemical Society
Naoki OgawaKiyosei Takasu

Abstract

The azulene moiety, composed of contiguous pentagonal and heptagonal rings, is a structural defect that alters the electronic, magnetic, and structural properties of graphenes and graphene nanoribbons. However, nanographenes embedded with an azulene cluster have not been widely investigated because these compounds are difficult to synthesize in their pure form. Herein, azulene-embedded nanographenes bearing a unique cove-type edge were synthesized by a novel synthetic protocol. Experimental and theoretical investigations revealed that this cove edge imparts stable helical chirality, unlike normal cove edges. The in-solution self-association behavior and the structural, electronic, and electrochemical properties were also described in detail.

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Citations

Jan 28, 2021·Journal of the American Chemical Society·Yiyang FeiJunzhi Liu
Mar 3, 2021·Organic Letters·Wenhui NiuJunzhi Liu
Jul 2, 2021·Chemical Communications : Chem Comm·Réka MokraiMuriel Hissler
Feb 7, 2021·Angewandte Chemie· ChaolumenKenichiro Itami
Aug 12, 2021·Journal of the American Chemical Society·Benjamin MalladaPavel Jelínek

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