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2′-(2-Hydroxy-4-methoxybenzylidene)nicotinohydrazide monohydrate

✍ Scribed by Mathew, Nancy ;Kuriakose, Mini ;Seena, E. B. ;Kurup, M. R. Prathapachandra

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

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✦ Synopsis

In the crystal structure of the title compound, C 14 H 15 N 3 O 4 , the methoxyphenyl ring makes a dihedral angle of 2.27 (6) with the hydrazone group. The crystal packing is stabilized by N-HÁ Á ÁO and O-HÁ Á ÁO hydrogen bonds.

📜 SIMILAR VOLUMES

(E)-4-Chloro-N′-(2-hydroxy-3-methoxybenz
(E)-4-Chloro-N′-(2-hydroxy-3-methoxybenzylidene)benzohydrazide monohydrate
✍ Cui, Jichun ;Yin, Handong ;Qiao, Yanling 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 956 KB

In the title compound, C 15 H 13 ClN 2 O 3 ÁH 2 O, the molecule adopts a trans configuration with respect to the C N double bond. The dihedral angle between the two rings is 15.03 (3) . The structure is stabilized by intramolecular O-HÁ Á ÁN and intermolecular N-HÁ Á ÁO and O-HÁ Á ÁO hydrogen bonds,

6-Bromo-2′-[4-(dimethylamino)benzylidene
6-Bromo-2′-[4-(dimethylamino)benzylidene]nicotinohydrazide monohydrate
✍ Yang, De-Suo 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 891 KB

The asymmetric unit of the title compound, C 15 H 15 BrN 4 OÁ-H 2 O, consists of a roughly planar Schiff base molecule and a solvent water molecule. The Schiff base molecule displays a trans configuration with respect to the C N double bond. The dihedral angle between the benzene and pyridine rings

N′-(4-Hydr­oxy-3-methoxy­benzyl­idene)is
N′-(4-Hydr­oxy-3-methoxy­benzyl­idene)isonicotinohydrazide monohydrate
✍ Shi, Xue-Fang ;He, Lei ;Ma, Guo-Zhun ;Yuan, Cui-Cui 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 267 KB

The asymmetric unit of the title compound, C~14~H~13~N~3~O~3~·H~2~O, contains one molecule of __N__′-(4-hydroxy-3-methoxybenzylidene)isonicotinohydrazide and one solvent water molecule. The crystal packing is stabilized by O—H...N and O—H...O hydrogen bonds.