(4Z)-3-Methyl-1-phenyl-4-{(phenyl)[4-(trifluoromethoxy)anilino]methylene}-1H-pyrazol-5(4H)-one
✍ Scribed by Xu, Hai-Zhen ;Zhu, You-Quan ;Song, Hai-Bin
- Publisher
- International Union of Crystallography
- Year
- 2006
- Tongue
- English
- Weight
- 169 KB
- Volume
- 62
- Category
- Article
- ISSN
- 1600-5368
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📜 SIMILAR VOLUMES
Single-crystal X-ray study T = 298 K Mean '(C±C) = 0.002 A Ê R factor = 0.040 wR factor = 0.124 Data-to-parameter ratio = 16.2 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
In the title compound, C 24 H 18 F 3 N 3 O, the molecule exists in the enamine-keto tautomeric form. The pyrazolone ring makes dihedral angles of 31.8 (2), 45.4 (2) and 71.2 (2) with the 1-phenyl, aniline and methylene-bound phenyl rings, respectively. An intramolecular N-HÁ Á ÁO hydrogen bond helps
The NH unit on the exocyclic C C double bond in the title compound, C 25 H 23 N 3 O, interacts with the carbonyl group through an intramolecular hydrogen bond.