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Crystal structure of 7,15-bis-(4-tert-butyl-phen-yl)-1,9-di-methyl-hepta-zethrene.

ABSTRACT: The title compound, C50H44, 1, was synthesized as a derivative of hepta-zethrene bearing two methyl and two tert-butyl-phenyl substituents, respectively, at the 1,9- and 7,15-positions. The asymmetric unit consists of one half of the mol-ecule, which lies about an inversion centre. Albeit remotely located, the substituents contort the hepta-zethrene plane. The tert-butyl-phenyl substituents stand approximately perpendicular to the core plane, with a dihedral angle of 79.09?(5)° between the phenalene ring system and the substituted benzene ring, and prevent direct inter-molecular contacts of the hepta-zethrene cores.

SUBMITTER: Kamata S 

PROVIDER: S-EPMC5290542 | biostudies-literature | 2017 Feb

REPOSITORIES: biostudies-literature

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Crystal structure of 7,15-bis-(4-<i>tert</i>-butyl-phen-yl)-1,9-di-methyl-hepta-zethrene.

Kamata Sho S   Sato Sota S   Wu Jishan J   Isobe Hiroyuki H  

Acta crystallographica. Section E, Crystallographic communications 20170106 Pt 2

The title compound, C<sub>50</sub>H<sub>44</sub>, <b>1</b>, was synthesized as a derivative of hepta-zethrene bearing two methyl and two <i>tert</i>-butyl-phenyl substituents, respectively, at the 1,9- and 7,15-positions. The asymmetric unit consists of one half of the mol-ecule, which lies about an inversion centre. Albeit remotely located, the substituents contort the hepta-zethrene plane. The <i>tert</i>-butyl-phenyl substituents stand approximately perpendicular to the core plane, with a dih  ...[more]

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