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Issue 39, 2019
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We report the challenging synthesis and electronic properties of a new class of rhombic peri-fused acene dimers, the so-called peri-acenoacenes. Compared to rectangular peri-fused peri-acenes, peri-acenoacenes show less diradical character and higher stability. Two soluble and stable aryl-substituted peri-acenoacenes, peri-tetracenotetracene (TT-Ar) and peri-pentacenopentacene (PP-Ar), are synthesized and their structures are confirmed by X-ray crystallographic analysis. Their optical properties and electronic properties are different from those of peri-acene derivatives. Unexpectedly, both the neutral compounds and dications are aromatic.

Graphical abstract: peri-Acenoacenes

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The article was received on 12 Mar 2019, accepted on 17 Apr 2019 and first published on 18 Apr 2019

Article type: Communication
DOI: 10.1039/C9CC01986C
Chem. Commun., 2019,55, 5567-5570

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    Y. Gu, Y. G. Tullimilli, J. Feng, H. Phan, W. Zeng and J. Wu, Chem. Commun., 2019, 55, 5567
    DOI: 10.1039/C9CC01986C

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