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2-Hydr­oxy-2′-(4-isopropyl­benzyl­idene)benzohydrazide

✍ Scribed by Yang, Jian-Guo ;Pan, Fu-You

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

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✦ Synopsis

The title compound, C 17 H 18 N 2 O 2 , was synthesized by the reaction of 2-hydroxybenzoylhydrazine with 4-isopropylbenzaldehyde in ethanol. The molecule is non-planar and the dihedral angle between the two aromatic rings is 21.9 (2) . The crystal structure involves intermolecular O-HÁ Á ÁO and intramolecular N-HÁ Á ÁO hydrogen bonds.

📜 SIMILAR VOLUMES

N′-(4-Hydr­oxy-3-methoxy­benzyl­idene)-2
N′-(4-Hydr­oxy-3-methoxy­benzyl­idene)-2-methoxy­benzohydrazide ethanol hemisolvate
✍ Jing, Zuo-Liang ;Zhao, Yan-Li ;Chen, Xin ;Yu, Ming 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 209 KB

In the title compound, C 16 H 16 N 2 O 4 Á0.5CH 3 CH 2 OH, the Schiff base is approximately planar. An intramolecular N-HÁ Á ÁO hydrogen bond stabilizes the molecular structure. The molecules are linked by O-HÁ Á ÁO hydrogen bonds to form a chain along the b axis.

N′-(2,4-Dichloro­benzyl­idene)benzohydra
N′-(2,4-Dichloro­benzyl­idene)benzohydrazide
✍ Jing, Zuo-Liang ;Wang, Xue-Yuan ;Chen, Xin ;Deng, Qi-Liang 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 243 KB

The asymmetric unit of the title compound, C 14 H 10 Cl 2 N 2 O, comprises two independent molecules, in which the dihedral angles between the terminal phenyl and substituted benzene rings are 21.28 (10) and 39.60 (12) . N-HÁ Á ÁO, C-HÁ Á ÁO and C-HÁ Á ÁCl hydrogen bonds stabilize the conformations

3,4-Bis(2-hydr­oxy-3-methoxy­benzyl­iden
3,4-Bis(2-hydr­oxy-3-methoxy­benzyl­idene­amino)pyridine
✍ Bi, Wei-Yu ;Lü, Xing-Qiang ;Cai, Wen-Li ;Song, Ji-Rong ;Ng, Seik Weng 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 139 KB

In the title molecule, C 21 H 19 N 3 O 4 , the benzene rings of the two ortho 2-hydroxy-3-methoxybenzylideneamine substituents are twisted with respect to the central pyridine ring by 29.4 (1) and 41.4 (1) .