In the crystal structure of the title Schiff base compound, C 16 H 15 N 3 OS, there are three C-HÁ Á ÁO hydrogen bonds which stabilize the molecular and crystal structures.
3-Methyl-1-phenyl-N-(2-thienylmethylene)-1H-pyrazol-5-amine
✍ Scribed by Yang, Fang ;Li, Xiao-Yue ;Wang, Hai-Ying ;Ni, Sai-Nan ;Shi, Da-Qing
- Publisher
- International Union of Crystallography
- Year
- 2006
- Tongue
- English
- Weight
- 91 KB
- Volume
- 62
- Category
- Article
- ISSN
- 1600-5368
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📜 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.
The NH unit on the exocyclic C C double bond in the title compound, C 24 H 21 N 3 O, which is on the same side of the double bond as the C O unit of the pyrazolone ring, interacts with the carbonyl group through an intramolecular N-HÁ Á ÁO hydrogen bond [2.685 (2) A ˚].
In the title compound, C 25 H 23 N 3 O 4 S, the central benzene ring makes dihedral angles of 8. 73 (3), 68.16 (7) and41.67 (7) with the pyrazolone ring, the sulfur-bound benzene ring and the phenyl ring, respectively. The crystal packing is stabilized by a weak non-classical intermolecular C-HÁ Á Á
The title compound, C~11~H~10~N~2~O~2~, was prepared by the esterfication of 5-phenyl-1__H__-pyrazole-3-carboxylic acid with methanol. The phenyl ring is rotated out of the pyrazole plane, forming a dihedral angle of 6.4 (1)°. The crystal structure is stabilized by intermolecular aromatic π–π intera