In the title compound, C 22 H 24 ClNO 5 , the carbonyl group is in an s-cis configuration with respect to the olefinic double bond. In the crystal structure, there are weak -stacking interactions but there are no significant intermolecular hydrogen bonds.
✦ LIBER ✦
2′-Hydroxy-4,4′,5′,6′-tetramethoxychalcone
✍ Scribed by Wafo, Pascal ;Hussain, Hidayat ;Kouam, Simeon F. ;Ngadjui, Bonaventure T. ;Flörke, Ulrich ;Krohn, Karsten
- Publisher
- International Union of Crystallography
- Year
- 2005
- Tongue
- English
- Weight
- 211 KB
- Volume
- 61
- Category
- Article
- ISSN
- 1600-5368
No coin nor oath required. For personal study only.
✦ Synopsis
In the crystal structure of the title compound, C 19 H 20 O 6 , the dihedral angle between the two aromatic planes is 31.8 (1) . Intermolecular C-HÁ Á ÁO hydrogen bonds serve to stabilize the structure.
📜 SIMILAR VOLUMES
2′-Hydroxy-3′-(morpholin-4-yl-methyl)-
✍
Liu, Tao ;Xu, Zhong-Miao ;Hu, Yong-Zhou
📂
Article
📅
2005
🏛
International Union of Crystallography
🌐
English
⚖ 165 KB
2,3,5-Trichloro-4-methoxy-6-[2,3,5-tric
✍
Hashizume, Daisuke ;Koshino, Hiroyuki ;Lee, In-Kyoung ;Yoo, Ick-Dong
📂
Article
📅
2005
🏛
International Union of Crystallography
🌐
English
⚖ 285 KB
2′,4′-Dihydroxy-5′,6′-dimethoxychalcon
✍
Usman, Hanapi ;Jalaluddin, Muhammad N. ;Hakim, Euis H. ;Syah, Yana M. ;Yamin, Bo
📂
Article
📅
2005
🏛
International Union of Crystallography
🌐
English
⚖ 265 KB
5-Hydroxy-7-methoxy-2-(4-methoxyphen
✍
Teh, Jeannie Bee-Jan ;Fun, Hoong-Kun ;Razak, Ibrahim Abdul ;Chantrapromma, Sucha
📂
Article
📅
2005
🏛
International Union of Crystallography
🌐
English
⚖ 300 KB
The title compound, C 17 H 14 O 5 , a flavone, was isolated from the rhizomes of Kaempferia parviflora. The benzopyran-4-one ring system and the methoxyphenyl substituent are approximately coplanar. The molecules are linked via intermolecular C-HÁ Á ÁO hydrogen bonds to form chains.
5,3′-Dihydroxy-3,6,7,4′-tetramethoxyf
✍
Asker, Erol ;Akin, Sebahat ;Hökelek, Tuncer
📂
Article
📅
2006
🏛
International Union of Crystallography
🌐
English
⚖ 270 KB
5-Hydroxy-7-methoxy-2-(4-methoxyphen
✍
Teh, Jeannie Bee-Jan ;Fun, Hoong-Kun ;Razak, Ibrahim Abdul ;Chantrapromma, Sucha
📂
Article
📅
2005
🏛
International Union of Crystallography
🌐
English
⚖ 37 KB