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1,4-Bis(4-dimethyl­amino­benz­yl)-2,3-diaza-1,3-butadiene

✍ Scribed by Wang, Qing-Hua ;Guo, Guo-Cong ;Wang, Ming-Sheng

Publisher
International Union of Crystallography
Year
2005
Tongue
English
Weight
172 KB
Volume
61
Category
Article
ISSN
1600-5368

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✦ Synopsis

The title Schiff base compound, C 18 H 22 N 4 , is derived from the condensation reaction of hydrazine and 4-(dimethylamino)benzaldehyde. There is a crystallographic centre of symmetry at the mid-point of the N-N bond.

📜 SIMILAR VOLUMES

1-Amino-2,5-bis­(4-methoxy­benz­yl)-1,3,
1-Amino-2,5-bis­(4-methoxy­benz­yl)-1,3,4-triazole
✍ Xu, Feng ;Hu, Wei-Xiao ;Zhou, Wei ;Xia, Chun-Nian 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 121 KB

In the title compound, C 18 H 20 N 4 O 2 , the triazole ring is twisted with respect to the two benzene rings with dihedral angles of 71.5 (3) and 67.3 (3) . N-HÁ Á ÁN hydrogen bonding occurs between neighboring molecules.

1,3-Bis(4-chloro­benz­yl)pyrimidine-2,4(
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✍ Yang, Feng-Ling ;Li, Gong-Chun 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 130 KB

In the crystal structure of the title compound, C 18 H 14 Cl 2 N 2 O 2 , there are weak intermolecular C-HÁ Á ÁO hydrogen-bond interactions. In the title molecule, the plane of the pyrimidine ring makes angles of 71.6 (1) and 71.72 (9) with the planes of the two benzene rings.

1,4-Diamino-1,4-di-2-quinolyl-2,3-diaza-
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✍ Xu, Ren-Hui ;Zhou, Jun ;Xu, Yan ;Qi, Li ;Shen, Xuan ;Zhu, Dun-Ru 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 126 KB

The title compound, C 20 H 16 N 6 , consists of electron-delocalized trans-planar molecules possessing a crystallographically imposed centre of symmetry. In the crystal packing, the molecules are stacked along the c axis by van der Waals forces.