9-(7-Fluoro-4-oxo-4H-chromen-3-yl)-3,3,6,6-tetramethyl-2,3,4,5,6,7,8,9-octahydro-1H-xanthene-1,8-dione
In the title compound, C26H25FO5, the terminal cyclohexane rings of the xanthene ring system adopt half-boat conformations. The 4H-chromene ring make a dihedral angle of 87.94 (5)° with the xanthene ring system and its carbonyl O atom lies above the xanthene O atom. In the crystal, molecules are l...
| Main Authors: | , , , , |
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| Format: | Online |
| Language: | English |
| Published: |
International Union of Crystallography
2011
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| Online Access: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3254399/ |
| Summary: | In the title compound, C26H25FO5, the terminal cyclohexane rings of the xanthene ring system adopt half-boat conformations. The 4H-chromene ring make a dihedral angle of 87.94 (5)° with the xanthene ring system and its carbonyl O atom lies above the xanthene O atom. In the crystal, molecules are linked into ribbons propagating along the a-axis direction by C—H⋯O hydrogen bonds. Aromatic π–π stacking interactions [centroid–centroid distance = 3.7367 (12) Å] also occur. |
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