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N,N′-Bis(3-methoxy­phen­yl)oxamide

✍ Scribed by Wen, Yong-Hong ;Zhang, Kun ;Li, Xue-Mei ;Bi, Sai ;Zhang, Shu-Sheng

Publisher
International Union of Crystallography
Year
2006
Tongue
English
Weight
161 KB
Volume
62
Category
Article
ISSN
1600-5368

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✦ Synopsis

The molecule of the title compound, C 16 H 16 N 2 O 4 , lies on a crystallographically imposed center of symmetry at the midpoint of the C-C bond of the oxamide unit. An intramolecular C-HÁ Á ÁO hydrogen bond forms a six-membered ring, and molecules are linked into ribbons along the a axis by N-HÁ Á ÁO hydrogen bonds.

📜 SIMILAR VOLUMES

N,N′-Bis(2-methyl­phen­yl)oxamide
N,N′-Bis(2-methyl­phen­yl)oxamide
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N,N′-Bis(4-nitro­phen­yl)oxamide
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✍ Wen, Yong-Hong ;Shen, Xin ;Bi, Sai ;Zhang, Shu-Sheng 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 187 KB

The molecule of the title compound, C 14 H 10 N 4 O 6 , lies on a crystallographically imposed center of symmetry at the midpoint of the C-C bond of the oxamide unit. Molecules are linked into zigzag chains by N-HÁ Á ÁO hydrogen bonds. The packing is further stabilized by van der Waals forces.

N,N′-Bis(2,5-dimethoxy­phen­yl)oxamide
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✍ Wen, Yong-Hong ;Zhang, Kun ;Li, Xue-Mei ;Tang, Xiao-Fang ;Zhang, Shu-Sheng 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 122 KB

The title compound, C 18 H 20 N 2 O 6 , has two independent molecules in the asymmetric unit. Intramolecular N-HÁ Á ÁO and C-HÁ Á ÁO hydrogen bonds make the molecules essentially planar. The crystal packing is stabilized by C-HÁ Á ÁO and C-HÁ Á Á interactions.

N,N′-Bis(4-methoxy­phen­yl)-3-oxapenta­n
N,N′-Bis(4-methoxy­phen­yl)-3-oxapenta­nediamide
✍ Wen, Yong-Hong ;Wen, Hui-Ling ;Zhang, Shu-Sheng ;Li, Xue-Mei ;Zhang, Kun 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 163 KB

The molecule of the title compound, C 18 H 20 N 2 O 5 , shows a wing-like conformation, with a dihedral angle of 12.7 (1) between the two benzene rings. In the crystal structure, intermolecular N-HÁ Á ÁO hydrogen bonds link the molecules into chains extending along the b axis.

N,N-Bis-(3-methyl­phen­yl)-N-(4-methyl­p
N,N-Bis-(3-methyl­phen­yl)-N-(4-methyl­phen­yl)amine
✍ Manifar, Touraj ;Rohani, Sohrab ;Jennings, Michael, C. 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 150 KB

In the crystal structure of the title complex, C 21 H 21 N, the molecule lies on a twofold rotation axis. The N atom is sp 2 hybridized. Comparisons are made with similar compounds in this series.