Research Article: 2-Chloro-N′-(2-hy­droxy-3,5-diiodo­benzyl­idene)benzohydrazide

Date Published: April 01, 2011

Publisher: International Union of Crystallography

Author(s): Fei Wang, Da-Yong Liu, Hai-Bo Wang, Xian-Sheng Meng, Ting-Guo Kang.


In the title compound, C14H9ClI2N2O2, the dihedral angle between the benzene rings is 65.9 (2)° and an intra­molecular O—H⋯N hydrogen bond generates an S(6) ring. The mol­ecule has an E conformation about the C=N bond. In the crystal, mol­ecules are linked into C(4) chains propagating in [001] by N—H⋯O hydrogen bonds.

Partial Text

For background to hydrazone compounds and their biological properties, see: Kucukguzel et al. (2006 ▶); Khattab (2005 ▶); Karthikeyan et al. (2006 ▶); Okabe et al. (1993 ▶). For reference bond-length values, see: Allen et al. (1987 ▶). For related structures, see: Shan et al. (2008 ▶); Fun et al. (2008 ▶); Yang (2008 ▶); Ma et al. (2008 ▶); Diao et al. (2008a ▶,b ▶); Ejsmont et al. (2008 ▶).




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