Abstract
In the title hydroxamic acid derivative, C22H16Cl2N2O5, the nitro-substituted benzene ring forms dihedral angles of 26.95 (15) and 87.06 (15)°, with the 4-chloro- and 2-chloro-substituted benzene rings, respectively. The dihedral angle between the chloro-substituted benzene rings is 68.19 (13)°. The O atoms of the nitro group were refined as disordered over two sets of sites with equal occupancies. In the crystal, weak C—H⋯O(=C) hydrogen bonds link molecules along [100].
Highlights
26.95 (15) and 87.06 (15), with the 4-chloro- and 2-chlorosubstituted benzene rings, respectively
The O atoms of the nitro group were refined as disordered over two sets of sites with equal occupancies
The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry
Summary
Lin-Lan Fan,a* Hui Wang,b Jing Mac and Xiu-Xiao Shic a Department of Laboratory Center for Medical Sciences, School of Basic Medical. Lanzhou University, Lanzhou 730000, Gansu Province, People’s Republic of China, bJiuquan Institute for Food and Drug Control, Jiuquan 735000, Gansu. People’s Republic of China, and cInstitute of Medicinal Chemistry, School of Pharmacy, Lanzhou University, Lanzhou 730000, Gansu Province, People’s
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