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(Z)-2-(Dimethyl­amino)-5-(3,4,5-trimethoxy­benzyl­idene)-1,3-thia­zolidin-4-one

✍ Scribed by Low, John N. ;Cobo, Justo ;Gutiérrez, Alexander ;Insuasty, Braulio ;Glidewell, Christopher

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

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✦ Synopsis

In the title compound, C~15~H~18~N~2~O~4~S, there is a very wide C—C—C angle [130.72 (16)°] at the methine C atom linking the two rings. A single C—H...O hydrogen bond links pairs of molecules into dimers around a twofold axis.

📜 SIMILAR VOLUMES

(Z)-3-Phenyl-2-(propan-2-yl­idene­hydraz
(Z)-3-Phenyl-2-(propan-2-yl­idene­hydrazono)thia­zolidin-4-one
✍ Xu, Liang-Zhong ;Li, Kai ;Song, Hai-Bin ;Huang, Yong-Wei ;Zhou, Kai 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 140 KB

In the title compound, C 12 H 13 N 3 OS, the molecular backbone formed by the thiazolidinone and 2-(propan-2-ylidene)hydrazone groups is planar. There are some weak intra-and intermolecular hydrogen-bond interactions which stabilize the crystal structure.

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.

4-[(4-Hydr­oxy-3-methoxy­benzyl­idene)am
4-[(4-Hydr­oxy-3-methoxy­benzyl­idene)amino]-1,5-dimethyl-2-phenyl-1,2-dihydro­pyrazol-3-one
✍ Wen, Puhong 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 245 KB

In the crystal structure of the title compound, C 19 H 19 N 3 O 3 , the benzene ring substituted by hydroxy and methoxy groups is essentially coplanar with the pyrazoline ring [dihedral angle = 12.9 (2) ], whereas the phenyl ring bonded directly to the pyrazoline ring forms a dihedral angle of 50.4