The title compound, C 14 H 13 N 3 O 2 ÁH 2 O, is a new orthorhombic polymorph of a structure reported previously [Jing, Fan, Yu, Chen & Deng (2005). Acta Cryst. E61, o3208-o3209]. The crystal structure is stabilized by a network of N-HÁ Á ÁO and O-HÁ Á ÁN hydrogen bonds linking three molecules to ea
2′-(4-Methoxybenzylidene)isonicotinohydrazide monohydrate
✍ Scribed by Jing, Zuo-Liang ;Fan, Zhi ;Yu, Ming ;Chen, Xin ;Deng, Qi-Liang
- Publisher
- International Union of Crystallography
- Year
- 2005
- Tongue
- English
- Weight
- 224 KB
- Volume
- 61
- Category
- Article
- ISSN
- 1600-5368
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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.
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.
The title compound, C 21 H 19 N 3 O 3 , was prepared by the reaction of 4-benzyloxy-3-methoxybenzaldehyde and isonicotinohydrazide. The vanillin group makes dihedral angles of 27.88 (7) and 58.94 (6) with the planes of the pyridine and phenyl rings, respectively. A weak intermolecular C-HÁ Á ÁN hydr