The title compound, C 23 H 18 O 4 , contains two molecules in the asymmetric unit which differ from each other in the dihedral angles between the benzyl and chromone groups. There are intramolecular and intermolecular C-HÁ Á ÁO interactions as well asstacking interactions in the crystal structure.
✦ LIBER ✦
8-Benzyl-5,7-bis(benzyloxy)-4H-benzopyran-4-one
✍ Scribed by Jia, Shu-Ping ;Guo, Zong-Hui ;Hao, Zhi-Fang ;Xu, Qiang ;Li, Jian-Xin
- Book ID
- 104486982
- Publisher
- International Union of Crystallography
- Year
- 2006
- Tongue
- English
- Weight
- 140 KB
- Volume
- 62
- Category
- Article
- ISSN
- 1600-5368
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The title compound, C~27~H~26~ClN~3~O~3~, was prepared by reacting 4-amino-1,5-dimethyl-2-phenylpyrazol-3-one and 4-(4-chlorobenzyloxy)-3-ethoxybenzaldehyde. The central ethylvanillin group makes dihedral angles of 63.00 (11), 31.83 (7) and 74.47 (8)° with the chlorobenzene ring, the pyrazolone ring