Macrocycles Composed of Biphenylene and Butadiyne Units with Antiaromatic Character

S. Nagayama; Hisaaki Kawakatsu; Daisuke Asai; Takumi Yokoyama; Mashahiro Yamashina; Shinji Toyota; Kazukuni Tahara

doi:10.1039/d5sc04720j

January 1, 2025Chemical ScienceOpen Access

Macrocycles Composed of Biphenylene and Butadiyne Units with Antiaromatic Character

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Key Points

The synthesized macrocycles exhibit antiaromatic character alongside π-conjugation, suggesting unique electronic properties.
Diameter measurements exceed 2.4 nanometers, highlighting their potential for electronic applications.
Synthesis involved biphenylene-2,7-diyl–butadiyne-1,4-diyl (BB) units in a specific intermolecular process.
Novel macrocyclic structures may have implications in materials science, necessitating further exploration.

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Implication

Synthesis of π-conjugated macrocycles with diameters over 2.4 nanometers indicates novel antiaromatic character.

Abstract

Herein, we report the synthesis and characterization of π-conjugated macrocycles, with diameters over 2.4 nanometers, composed of biphenylene and butadiyne units. Specifically, biphenylene-2,7-diyl–butadiyne-1,4-diyl (BB) macrocycles were synthesized via the intermolecular...

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Nagayama et al. (2025) studied this question.

synapsesocial.com/papers/68af4314ad7bf08b1ead16f9 https://doi.org/10.1039/d5sc04720j

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Macrocycles Composed of Biphenylene and Butadiyne Units with Antiaromatic Character

Key Points

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Implication

Abstract

Discussion

Cite This Study

Macrocycles Composed of Biphenylene and Butadiyne Units with Antiaromatic Character

Key Points

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Implication

Abstract

Discussion

Cite This Study

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