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. 2011 Nov;67(Pt 11):o3100.
doi: 10.1107/S1600536811043674. Epub 2011 Oct 29.

2-Amino-4-(4-meth-oxy-phen-yl)-5-oxo-5,6,7,8-tetra-hydro-4H-chromene-3-carbonitrile

Lingqian Kong, Xiuping Ju, Yan Qiao, Jidong Zhang, Zhiqing Gao

2-Amino-4-(4-meth-oxy-phen-yl)-5-oxo-5,6,7,8-tetra-hydro-4H-chromene-3-carbonitrile

Lingqian Kong et al. Acta Crystallogr Sect E Struct Rep Online. 2011 Nov.

Abstract

The title compound, C(17)H(16)N(2)O(3), crystallizes with two independent mol-ecules in the asymmetric unit. In both mol-ecules, the fused cyclo-hexenone ring adopts a sofa conformation. In the crystal, N-H⋯N and N-H⋯O hydrogen bonds link the mol-ecules into corrugated layers parallel to the (101) plane.

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Figures

Fig. 1.
Fig. 1.
Two independent molecules in (I) with the atomic numbering scheme. The displacement ellipsoids are shown at the 30% probability level.The intermolecular hydrogen bonds represented by dashed lines.
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