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Ethyl 5-cyano-4-(2,3-dimethoxyphenyl)-2-methyl-6-oxopyridine-3-carboxylate

✍ Scribed by Wang, Yu-Cheng ;Wang, Xiang-Shan ;Zeng, Zhao-Sen ;Shi, Da-Qing

Publisher: International Union of Crystallography
Year: 2005
Tongue: English
Weight: 298 KB
Volume: 61
Category: Article
ISSN: 1600-5368
DOI: 10.1107/s1600536805028679

No coin nor oath required. For personal study only.

✦ Synopsis

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 ÁO and N-HÁ Á ÁO hydrogen bonds.

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✦ Synopsis

Ethyl 5-cyano-4-(2,3-dimethoxyphenyl)-2-methyl-6-oxopyridine-3-carboxylate