Lanthanide perchlorate complexes of 1-phenyl-3-methyl-4-phenacyl-pyrazol-5-one
โ Scribed by V. Giri; P. Indrasenan
- Book ID
- 108428381
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 281 KB
- Volume
- 2
- Category
- Article
- ISSN
- 0277-5387
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๐ SIMILAR VOLUMES
The title compound 3 was obtained during the rearrangement of isoxazol-5-yl hydrazine 1 to 1 -aminopyrazolone 2 at \(115^{\circ}\). X-ray analysis of the corresponding benzylidene derivative allowed us to achieve the structure assignment.
The structure of the title compound, C 25 H 23 N 3 O 2 , features a central pyrazole ring; an amine NH unit interacts with the ring CO unit through an intramolecular N-Hร ร รO hydrogen bond [Nร ร รO = 2.700 (2) A ห]
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-Hร ร รO hydrogen bond helps