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Helically Twisted Tetracene: Synthesis, Crystal Structure, and Photophysical Properties of Hexabenzo[a,c,fg,j,l,op]tetracene

Yuuta Yano, Hideto Ito, Yasutomo Segawa, Kenichiro Itami Synlett, 2016, 27, 2081-2084. DOI: 10.1055/s-0035-1561455

Selected as Synlett Best Paper Award 2016

The synthesis, X-ray crystal structure, and photophysical properties of unsubstituted hexabenzo[a,c,fg,j,l,op]tetracene are described. Unlike the previously reported tert-butyl-substituted analogues, unsubstituted hexabenzo[a,c,fg,j,l,op]tetracene showed a helically twisted conformation in the solid state. Density functional theory calculations on the possible conformers were also studied.

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