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. 2012 Apr 1;68(Pt 4):o1217.
doi: 10.1107/S1600536812012779. Epub 2012 Mar 28.

3,4-Dimethyl-pyrano[2,3-c]pyrazol-6(2H)-one

Bilal Shahid, Muhammad Zia-Ur-Rehman, Muhammad Nadeem Arshad, Rabia Nazir, Ertan Sahin

3,4-Dimethyl-pyrano[2,3-c]pyrazol-6(2H)-one

Bilal Shahid et al. Acta Crystallogr Sect E Struct Rep Online. .

Abstract

The asymmetric unit of the title compound, C(8)H(8)N(2)O(2), comprises two independent mol-ecules in both of which, all non-H atoms lie in a common plane (r.m.s. deviation = 0.014 and 0.017 Å). In the crystal, N-H⋯O hydrogen bonds connect the mol-ecules into zigzag chains running along [10-1]. Weak C-H⋯O inter-actions connect the chains into an infinite network.

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Figures

Fig. 1.
Fig. 1.
The labelled molecular structure of (I) showing molecules A and B with 50% displacement ellipsoids.
Fig. 2.
Fig. 2.
A perspective view showing hydrogen bond interactions drawn as dashed lines.
See this image and copyright information in PMC

References

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