Acta Cryst. (2005). E61, o1634-o1636  [ doi:10.1107/S1600536805012821 ]

Methyl 4-(3-chlorophenyl)-2,7,7-trimethyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate

Y.-L. Li, B.-X. Du, X.-S. Wang, M.-M. Zhang and Z.-S. Zeng

Abstract: The title compound, C₂₀H₂₂ClNO₃, was synthesized by the reaction of 3-chlorobenzaldehyde, 5,5-dimethyl-1,3-cyclohexanedione and methyl 2-aminocrotonate in an ionic liquid medium. The X-ray analysis reveals that the nitrogen-containing ring adopts a boat conformation and the cyclohexene ring has a half-chair conformation. Intermolecular N-HO bonds in the structure lead to the formation of chains.

Online 14 May 2005

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