4-[(4-Bromophenyl)methyl]-1,4-epoxy-1-phenyl-1H-2,3-benzodioxepin-5(4H)-one
โ Scribed by Oliver, J. D. ;Mullica, D. F. ;Milligan, W. O. ;Karban, J. ;McAtee, J. L. ;Belew, J. S.
- Book ID
- 114526369
- Publisher
- International Union of Crystallography
- Year
- 1979
- Weight
- 404 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0567-7408
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๐ SIMILAR VOLUMES
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.
In the molecule of the title compound, C 9 H 9 N 3 O, the dihedral angle between the planar rings is 7.49 (3) . In the crystal structure, intermolecular N-Hร ร รO hydrogen bonds link the molecules into dimers, which may be effective in the stabilization of the crystal structure.
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