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1,5-Dimethyl-2-phenyl-4-[(1H-pyrrol-2-ylmethyl­ene)amino]pyrazol-3(2H)-one

✍ Scribed by Jing, Zuo-Liang ;Chen, Xin

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

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✦ Synopsis

In the crystal structure of the title compound, C 16 H 16 N 4 O, the molecules are linked via weak intermolecular N-HÁ Á ÁO hydrogen bonds, forming an extended supramolecular arrangement.

📜 SIMILAR VOLUMES

4-[(4-Methoxy­benzyl­idene)amino]-1,5-di
4-[(4-Methoxy­benzyl­idene)amino]-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one
✍ Jing, Zuo-Liang ;Guo, Min-Jie ;Chen, Xin ;Ming, Yu 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 224 KB

The crystal structure of the title compound, C 19 H 19 N 3 O 2 , shows the molecule to be essentially planar with the exception of the terminal phenyl group. Molecules are associated via intermolecular C-HÁ Á ÁO hydrogen bonds.

4-[(3-Hydroxy­benzyl­idene)amino]-1,5-di
4-[(3-Hydroxy­benzyl­idene)amino]-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one
✍ Jing, Zuo-Liang ;Fan, Zhi ;Yu, Ming ;Chen, Xin ;Diao, Chun-Hua ;Deng, Qi-Liang 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 182 KB

The structure of (I), with displacement ellipsoids for non-H atoms drawn at the 30% probability level.

(E)-4-[(2-Bromo­benzyl­idene)amino]-1,5-
(E)-4-[(2-Bromo­benzyl­idene)amino]-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one
✍ Zhang, Chun-Niu ;Yang, Ming-Hua ;Yan, Guo-Bing ;Zhou, Ying-Ming 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 106 KB

In the title compound, C~18~H~16~BrN~3~O, the pyrazole ring is planar but substituent atoms are displaced from the mean plane. Weak C—H...Br and C—H...O hydrogen bonding between molecules helps to stabilize the crystal structure.