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N′-(3-Eth­oxy-4-hydroxy­benzyl­idene)isonicotinohydrazide

✍ Scribed by Qian, Heng-Yu ;Yin, Zhi-Gang ;Jia, Jia ;Liu, Sheng-Min ;Feng, Ling-Qin

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

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📜 SIMILAR VOLUMES

(E)-N′-[3-Eth­oxy-4-(4-nitro­benz­yloxy)
(E)-N′-[3-Eth­oxy-4-(4-nitro­benz­yloxy)benzyl­idene]isonicotinohydrazide
✍ Zhang, Qiao-Zhen ;Zhao, Yan-Li ;Chen, Xin ;Yu, Ming 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 151 KB

In the title compound, C 22 H 20 N 4 O 5 , the central vanillin group makes dihedral angles of 4.44 (11) and 60.33 (6) with the pyridine and other benzene rings. The crystal packing is stabilized by N-HÁ Á ÁN hydrogen bonds and C-HÁ Á ÁO interactions, leading to an infinite network.

N′-(4-Hydroxy­benzyl­idene)isonicotinohy
N′-(4-Hydroxy­benzyl­idene)isonicotinohydrazide
✍ Deng, Qi-Liang ;Yu, Ming ;Chen, Xin ;Diao, Chun-Hua ;Jing, Zuo-Liang ;Fan, Zhi 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 329 KB

The title compound, C 13 H 11 N 3 O 2 , was prepared by the reaction of pyridine-4-carboxylic acid hydrazide and phydroxybenzaldehyde in ethanol. In the crystal structure, all non-H atoms are coplanar, with an r.m.s. deviation of 0.096 A ˚. N-HÁ Á ÁN, O-HÁ Á ÁN and O-HÁ Á ÁO intermolecular hydrogen

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.

(E)-N′-(3-Eth­oxy-4-methoxy­benzyl­idene
(E)-N′-(3-Eth­oxy-4-methoxy­benzyl­idene)benzohydrazide
✍ Zhen, Xiao-Li ;Han, Jian-Rong 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 152 KB

In the title compound, C 17 H 18 N 2 O 3 , the isovanillin group makes a dihedral angle of 9.63 (11) with the plane of the terminal phenyl ring. Intermolecular N-HÁ Á ÁO hydrogen bonds help to consolidate the crystal packing.

2′-(4-Hydroxy­benzyl­idene)isonicotinohy
2′-(4-Hydroxy­benzyl­idene)isonicotinohydrazide monohydrate
✍ Tai, Xi-Shi ;Kong, Fan-Yuan ;Yin, Jie 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 111 KB

The bond lengths in the title compound, C 13 H 11 N 3 O 2 ÁH 2 O indicate that the organic molecule exists in the keto form. A network of O-HÁ Á ÁO, O-HÁ Á ÁN and N-HÁ Á ÁO hydrogen bonds helps to consolidate the crystal packing.