Received 8 December 2010
In the title compound, C15H14N2O7, the planes of the two benzene rings form a dihedral angle of 33.16 (17)°. In the crystal, intermolecular hydrogen bonds involveing the OH group and nitro O atoms link the molecules into chains propagating along the a axis.
For a related structure, see: Elizondo et al. (2009). For general background to the use of amines as intermediates in the preparation of dyes, herbicides, pesticides, and pharmaceuticals, see: Downing et al. (1997); Tafesh et al. (1996).
Data collection: SMART (Bruker, 2002); cell refinement: SAINT (Bruker, 2002); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 1997); software used to prepare material for publication: WinGX (Farrugia, 1999).
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: BQ2262 ).
We acknowledge the support of the Natural Science Foundation of Kaili University (Z0914).
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