In the title compound, C(23)H(25)NO(5), the pyran ring adopts a flattened boat conformation, while the two cyclo-hexenone rings are in envelope conformations. The 3-nitro-phenyl ring is almost perpendicular to the pyran ring, making a dihedral angle of 87.1 (3)°.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3007304 | PMC |
| http://dx.doi.org/10.1107/S1600536810029211 | DOI Listing |
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