Research Article: N′-(2,5-Dihydroxy­benzyl­idene)-2-hydr­oxy-3-methyl­benzohydrazide

Date Published: May 01, 2010

Publisher: International Union of Crystallography

Author(s): You-Yue Han, Yong-Hong Li, Qiu-Rong Zhao.

http://doi.org/10.1107/S1600536810013395

Abstract

In the title compound, C15H14N2O4, the dihedral angle between the two benzene rings is 4.1 (2)°. The mol­ecule adopts an E configuration with respect to the C=N bond. There are intra­molecular O—H⋯N and O—H⋯O hydrogen bonds in the mol­ecule. In the crystal structure, mol­ecules are linked through inter­molecular N—H⋯O and O—H⋯O hydrogen bonds, forming chains running along the c axis.

Partial Text

For the biological properties of hydrazone compounds, see: Patil et al. (2010 ▶); Cukurovali et al. (2006 ▶). For the crystal structures of hydrazones, see: Mohd Lair et al. (2009 ▶); Lin & Sang (2009 ▶); Suleiman Gwaram et al. (2010 ▶). For hydrazone compounds recently reported by us, see: Han & Zhao (2010a ▶,b ▶). For bond-length data, see: Allen et al. (1987 ▶). For similar compounds, see: Li & Ban (2009 ▶); Lo & Ng (2009 ▶); Ning & Xu (2009 ▶); Zhu et al. (2009 ▶).

 

Source:

http://doi.org/10.1107/S1600536810013395

 

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