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(E)-4-(3-Eth­oxy-4-hydroxy­benzyl­ideneamino)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one

✍ Scribed by Han, Jian-Rong ;Zhen, Xiao-Li

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

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(E)-4-[3-Eth­oxy-4-(2-phenoxy­ethoxy)ben
(E)-4-[3-Eth­oxy-4-(2-phenoxy­ethoxy)benzyl­ideneamino]-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one
✍ Zhang, Wen-Jun ;Duan, Zhong-Yu ;Zhao, Xin 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 162 KB

The title compound, C~28~H~29~N~3~O~4~, was prepared by the reaction of 4-amino-1,5-dimethyl-2-phenylpyrazol-3-one and 3-ethoxy-4-(2-phenoxyethoxy)benzaldehyde. The vanillin group makes dihedral angles of 73.08 (8) and 66.54 (6)° with the planes of the two terminal phenyl rings, and an angle of 30.4

(E)-4-{4-[2-(2,4-Dinitro­phen­oxy)eth­ox
(E)-4-{4-[2-(2,4-Dinitro­phen­oxy)eth­oxy]-3-methoxy­benzyl­ideneamino}-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one
✍ Diao, Chun-Hua ;Jing, Zuo-Liang 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 163 KB

In the title compound, C 27 H 25 N 5 O 8 , the p-vanillin (4-hydroxy-3-methoxybenzaldehyde) group makes dihedral angles of 5.80 (8), 66.34 (6) and 68.13 (7) with the pyrazolone ring, the terminal dinitrobenzene ring and the terminal phenyl ring, respectively. The crystal packing is stabilized by int

(E)-4-{2-[2-(2,4-Dinitro­phen­oxy)eth­ox
(E)-4-{2-[2-(2,4-Dinitro­phen­oxy)eth­oxy]-3-methoxy­benzyl­ideneamino}-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one
✍ Diao, Chun-Hua ;Yu, Ming 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 207 KB

Single-crystal X-ray study T = 294 K Mean (C-C) = 0.004 A R factor = 0.045 wR factor = 0.110 Data-to-parameter ratio = 12.4 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

(E)-4-(2-Hydr­oxy-4-methoxy­benzyl­idene
(E)-4-(2-Hydr­oxy-4-methoxy­benzyl­ideneamino)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one
✍ Wang, Liang-Gui ;Zhang, Chun-Niu ;Yan, Guo-Bing ;Zheng, Yun-Fa ;Yang, Ming-Hua 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 204 KB

In the title Schiff base compound, C~16~H~15~N~3~OS, there are two intramolecular hydrogen bonds and one intermolecular hydrogen bond. The latter results in a one-dimensional chain in the crystal structure.