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1 article(s) from Seki, Shu

Synthesis of an aza[5]helicene-incorporated macrocyclic heteroarene via oxidation of an o-phenylene-pyrrole-thiophene icosamer

Yusuke Matsuo,
Aoi Nakagawa,
Shu Seki and
Takayuki Tanaka

Beilstein J. Org. Chem. 2025, 21, 1561–1567, doi:10.3762/bjoc.21.119

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Figure 1: (a) Increased ring-strain from macrocyclic oligoarene to partially fused oligoarene and nanobelt. (...

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Scheme 1: Synthesis of o-phenylene-pyrrole-thiophene hybrid macrocycles.

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Figure 2: X-ray crystal structure of 4. Thermal ellipsoids are scaled to 50% probability level. Solvent molec...

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Scheme 2: Synthesis of aza[5]helicene-incorporated macrocyclic heteroarene 5.

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Figure 3: ¹H NMR spectra of 5 in DMSO-d₆ (a) at room temperature and (b) at 100 °C.

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Figure 4: (a) X-ray crystal structure of 5; (left) top view, (right) side view. Thermal ellipsoids are scaled...

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Figure 5: UV–vis absorption and emission spectra of (a) 4 and (b) 5 in DMSO.

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Published 31 Jul 2025

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