In the title compound, C 30 H 25 NO 4 , the indolizine moiety is not completely planar, the six-membered ring being distorted towards an envelope conformation. The benzoyl and phenyl substituents are each almost planar. The crystal structure is stabilized by dipole±dipole and van der Waals forces.
5,8-Diethynyl-2,3-diphenylquinoxaline
✍ Scribed by Khan, Muhammad S. ;Ahrens, Birte ;Mahon, Mary F. ;Male, Louise ;Raithby, Paul R.
- Publisher
- International Union of Crystallography
- Year
- 2002
- Tongue
- English
- Weight
- 207 KB
- Volume
- 58
- Category
- Article
- ISSN
- 1600-5368
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✦ Synopsis
Single-crystal X-ray study T = 170 K Mean '(C±C) = 0.003 A Ê R factor = 0.035 wR factor = 0.081 Data-to-parameter ratio = 7.0 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
📜 SIMILAR VOLUMES
The title compound, C~20~H~12~Cl~2~N~2~, was synthesized from the reaction of equimolar amounts of 4,5-dichlorobenzene-1,2-diamine and benzil in acetonitrile, utilizing molecular iodine as the catalyst. The crystal structure was determined at 110 K. The dihedral angle between the two phenyl rings is
The bond lengths and angles in the title compound, C 40 H 24 N 4 O 2 S, are normal. The dihedral angles between the dibenzothiophene-S,S-dioxide and two quinoxaline groups are 34.88 (1) and 45.86 (1) .