1-[5-(4-Hydroxy-3-methoxyphenyl)-3-methyl-4,5-dihydro-1H-pyrazol-1-yl]ethanone
✍ Scribed by Wang, Shi-Fan ;Zhu, Wei ;Yang, Xian ;Zhou, Li-Jun
- Publisher
- International Union of Crystallography
- Year
- 2005
- Tongue
- English
- Weight
- 149 KB
- Volume
- 61
- Category
- Article
- ISSN
- 1600-5368
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📜 SIMILAR VOLUMES
The crystal structure of the title compound, C 23 H 18 N 2 O 2 , contains an intramolecular hydrogen bond that links the ketone and hydroxyl groups.
The title compound, C 18 H 18 N 2 O, was prepared by the reaction of 3-phenyl-1-(p-tolyl)prop-2-en-1-one with hydrazine hydrate in acetic acid. The pyrazole ring is in an envelope conformation. The crystal packing is stabilized by van der Waals forces.
The title compound, C 27 H 16 Cl 2 F 6 N 4 O 2 ÁH 2 O, was obtained by the reaction of 2,4-dichlorobenzaldehyde and 2-phenyl-5trifluoromethyl-2H-pyrazol-3-ol in aqueous media without any catalyst. In the crystal structure, both intra-and intermolecular hydrogen bonds are found.