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4-[(Z)-(2,5-Dimethylphenylamino)phenylmethylene]-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one

✍ Scribed by Ma, Rui ;Ma, Rongming ;Hou, Yubang ;Yong, Xuejian ;Bao, Feng

Publisher
International Union of Crystallography
Year
2007
Tongue
English
Weight
604 KB
Volume
63
Category
Article
ISSN
1600-5368

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✦ Synopsis

There are two molecules in the asymmetric unit of the title compound, C~25~H~23~N~3~O, both of which are stabilized by an intramolecular N—H...O hydrogen bond. The dihedral angles between the pyrazole plane and the attached phenyl ring in the two molecules are 19.9 (2) and 17.7 (2)°.

📜 SIMILAR VOLUMES

4-[(Z)-(4-Ethoxyphenylamino)(phenyl)meth
4-[(Z)-(4-Ethoxyphenylamino)(phenyl)methylene]-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one
✍ Ma, Rui ;Chen, Ying ;Song, Zhong-Ying ;Bai, Yi-Qiong ;Bao, Feng 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 458 KB

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-HÁ Á ÁO hydrogen bond [NÁ Á ÁO = 2.700 (2) A ˚]

3-Methyl-1-phenyl-4-[(Z)-phenyl(p-tolyl­
3-Methyl-1-phenyl-4-[(Z)-phenyl(p-tolyl­amino)­methyl­ene]-1H-pyrazol-5(4H)-one
✍ Ma, Rong-Ming 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 111 KB

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 ˚].