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Sulfur-Containing, Quinodimethane-Embedded Acene Analogue with Nine Consecutively Fused Six-Membered Rings
- Chen, Yang, Kueh, Huilin, Gopalakrishna, Tullimilli Y., Dong, Shaoqiang, Han, Yi, Chi, Chunyan
- Organic letters 2019 v.21 no.9 pp. 3127-3130
- X-ray diffraction, chemical structure, organic compounds, oxidation
- Linear quinodimethane-embedded acene analogue 9L was synthesized, and its quinoidal structure was confirmed by X-ray crystallographic analysis. The multiple oxidation states of 9L could be achieved. Its dication is a triplet diradical, and its tetracation can be regarded as the isoelectronic structure of the nonacene, which was validated by experiments and theoretical calculations.