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2-(2-Thien­yl)quinoxaline

✍ Scribed by Crundwell, Guy ;Stacy, Vanessa


Publisher
International Union of Crystallography
Year
2005
Tongue
English
Weight
187 KB
Volume
61
Category
Article
ISSN
1600-5368

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Single-crystal X-ray study T = 100 K Mean '(C±C) = 0.005 A Ê R factor = 0.044 wR factor = 0.119 Data-to-parameter ratio = 19.2 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

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The title compound, C 16 H 6 Br 2 Cl 2 N 2 S 2 , was synthesized from the reaction of equimolar amounts of 1,2-diamino-4,5dichlorobenzene and 1,2-bis(5-bromothien-2yl)ethanedione. The crystal structure was determined at 100 K.

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In the molecule of the title compound, C 24 H 16 N 6 , one quinoxaline ring system is almost perpendicular to the benzimidazole ring system, while the other quinoxaline ring system is nearly coplanar with the benzimidazole system.

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3-[2-(2-Thien­yl)eth­oxy]phthalonitrile
✍ Köysal, Yavuz ;Işık, Şamil ;Iskeleli, Nazan Ocak ;Durmuş, Mahmut ;Ahsen, Vefa 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 135 KB

In the title compound, C 14 H 10 N 2 O S , the thienyl and phthalonitrile planes make a dihedral angle of 57.92 (2) .