Abstract
In the title compound, C18H14O, with systematic name 1-(anthracen-9-yl)-2-methylprop-2-en-1-one, the ketonic C atom lies 0.2030 (16) Å out of the anthryl-ring-system plane. The dihedral angle between the planes of the anthryl and methacryloyl moieties is 88.30 (3)° and the stereochemistry about the Csp2 - Csp2 bond in the side chain is transoid. In the crystal, the end rings of the anthryl units in adjacent molecules associate in parallel-planar orientations [shortest centroid-centroid distance = 3.6320 (7) Å]. A weak hydrogen bond is observed between an aromatic H atom and the O atom of a molecule displaced by translation in the a-axis direction, forming sheets of parallel-planar anthryl groups packing in this direction.
Original language | English |
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Pages (from-to) | 357-359 |
Number of pages | 3 |
Journal | Acta Crystallographica Section E: Structure Reports Online |
Volume | 71 |
Issue number | 4 |
Early online date | 11 Mar 2015 |
DOIs | |
Publication status | Published - 1 Apr 2015 |
Keywords
- Acetylanthracene
- Aldol
- Crystal structure
- Methylation
- Stereochemistry