The title compound, C 18 H 18 N 2 O 5 , was synthesized from 2,3dimethoxyphenylmethylidenemalononitrile and ethyl acetoacetate in the presence of triethylbenzylammonium chloride in an aqueous medium. The pyridone and benzene rings make a dihedral angle of 63.8 (1) . There are intermolecular C-HÁ Á Á
Ethyl 4-cyano-5-iodo-3-methylthiophene-2-carboxylate
✍ Scribed by Moncol, Jan ;Puterová, Zita ;Végh, Daniel
- Book ID
- 104491643
- Publisher
- International Union of Crystallography
- Year
- 2007
- Tongue
- English
- Weight
- 533 KB
- Volume
- 63
- Category
- Article
- ISSN
- 1600-5368
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📜 SIMILAR VOLUMES
Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.004 A Ê R factor = 0.053 wR factor = 0.159 Data-to-parameter ratio = 12.4 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
In the title compound, C 17 H 17 ClN 2 O 3 , the six-membered pyran ring adopts a near-boat conformation. The crystal packing features two intramolecular C-HÁ Á ÁO interactions and the crystal structure is stabilized by intermolecular N-HÁ Á ÁO hydrogen bonds. These lead to two primary motifs, viz.
## Abstract For Abstract see ChemInform Abstract in Full Text.