Received 4 January 2013
aDepartment of Physics, Faculty of Sciences, Erciyes University, 38039 Kayseri, Turkey,bDepartment of Chemistry, Faculty of Arts and Sciences, Gaziantep University, 27310 Sehitkamil-Gaziantep, Turkey, and cDepartment of Physics, University of Sargodha, Sargodha, Pakistan
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In the title compound, C19H17NO5, the dihedral angle between the phenyl groups is 79.55 (15)°. The terminal ethoxy group is disordered over two orientations in a 0.873 (6):0.127 (6) ratio. In the crystal, molecules are linked by N-HO and C-HO hydrogen bonds into  chains which incorporate R12(6) loops. A very weak C-H contact also occurs.
Data collection: APEX2 (Bruker, 2009); cell refinement: SAINT (Bruker, 2009); 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 (Farrugia, 2012) and PLATON (Spek, 2009); software used to prepare material for publication: WinGX (Farrugia, 2012) and PLATON.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: HB7023 ).
The authors acknowledge the provision of funds for the purchase of a diffractometer and encouragement by Dr Muhammad Akram Chaudhary, Vice Chancellor, University of Sargodha, Pakistan.
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