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Crystal structure of 2,2'-(ethane-1,2-di-yl)bis-(2,3-di-hydro-1H-naphtho-[1,2-e][1,3]oxazine): a prospective raw material for polybenzoxazines.

ABSTRACT: In the title compound, C26H24N2O2, the oxazine moiety is fused to a naphthalene ring system. The asymmetric unit consists of one half of the mol-ecule, which lies about an inversion centre. The C atoms of the ethyl-ene spacer group adopt an anti-periplanar arrangement. The oxazine ring adopts a half-chair conformation. In the crystal, supra-molecular chains running along the b axis are formed via short C-H?? contacts. The crystal studied was a non-merohedral twin with a fractional contribution of 0.168?(2) of the minor twin component.

SUBMITTER: Rivera A 

PROVIDER: S-EPMC5458303 | biostudies-other | 2017 Jun

REPOSITORIES: biostudies-other

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Crystal structure of 2,2'-(ethane-1,2-di-yl)bis-(2,3-di-hydro-1<i>H</i>-naphtho-[1,2-<i>e</i>][1,3]oxazine): a prospective raw material for polybenzoxazines.

Rivera Augusto A   Cepeda-Santamaría Juan E JE   Ríos-Motta Jaime J   Bolte Michael M  

Acta crystallographica. Section E, Crystallographic communications 20170509 Pt 6

In the title compound, C<sub>26</sub>H<sub>24</sub>N<sub>2</sub>O<sub>2</sub>, the oxazine moiety is fused to a naphthalene ring system. The asymmetric unit consists of one half of the mol-ecule, which lies about an inversion centre. The C atoms of the ethyl-ene spacer group adopt an anti-periplanar arrangement. The oxazine ring adopts a half-chair conformation. In the crystal, supra-molecular chains running along the <i>b</i> axis are formed <i>via</i> short C-H⋯π contacts. The crystal studied  ...[more]

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