The title compound, C 18 H 18 O 5 , was prepared by the condensation of 2-hydroxyacetophenone with 3,4,5-trimethoxybenzaldehyde. The trimethoxyphenyl and hydroxyphenyl rings of the chalcone system are approximately coplanar.
1-(4-Hydroxyphenyl)-3-(2,4,6-trimethoxyphenyl)propan-1-one
✍ Scribed by Lu, Yong-Bin ;Zheng, Qi-Tai ;Lu, Yang
- Publisher
- International Union of Crystallography
- Year
- 2006
- Tongue
- English
- Weight
- 183 KB
- Volume
- 62
- Category
- Article
- ISSN
- 1600-5368
No coin nor oath required. For personal study only.
✦ Synopsis
The two benzene rings of the title compound, C 18 H 20 O 5 , are almost parallel, with a dihedral angle of 1.3 (2) . The hydroxy group forms intermolecular O-HÁ Á ÁO hydrogen bonds which link the molecules into infinite chains along the c axis.
📜 SIMILAR VOLUMES
The title molecule, C 18 H 17 ClO 4 , is slightly distorted from planarity. The dihedral angle between the two benzene rings is 11.6 (2) . The crystal packing is stabilized by C-HÁ Á Á interactions and van der Waals forces.
In the title compound, C 18 H 17 BrO 4 , the dihedral angle between the benzene rings is 9.60 (16) . The crystal structure is stabilized by intermolecular C-HÁ Á ÁO interactions and BrÁ Á ÁO short contacts.
In the title compound, C 18 H 17 FO 4 , the dihedral angle between the benzene rings is 12.42 (2) . The crystal structure is stabilized by C-HÁ Á ÁO, C-HÁ Á Á andinteractions.
In the title compound, C~18~H~16~Cl~2~O~4~, the dihedral angle between the benzene rings is 65.9 (1)°. The crystal packing is stabilized by intermolecular C—H...O interactions.