Received 24 December 2011
aSchool of Chemistry and Chemical Engineering, Southeast University, Sipailou No. 2 Nanjing, Nanjing 210096, People's Republic of China,bCentre of Laboratory Animals, Nanjing medical University, Hanzhong Road No. 140 Nanjing, Nanjing 210029, People's Republic of China, and cSchool of Pharmacy, Nanjing Medical University, Hanzhong Road No. 140 Nanjing, Nanjing 210029, People's Republic of China
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The asymmetric unit of the title compound, C32H38N2O5·2C2H6O, contains one main molecule and two solvent molecules, which interact via intermolecular O-HO hydrogen bonds. The piperazine ring adopts a chair conformation. The crystal packing exhibits weak intermolecular C-HO hydrogen bonds and voids of 31 Å3.
Data collection: CAD-4 EXPRESS (Enraf-Nonius, 1989); cell refinement: CAD-4 EXPRESS; data reduction: XCAD4 (Harms & Wocadlo,1995); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXL97.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: CV5226 ).
The authors thank Professor Hua-Qin Wang of the Analysis Centre, Nanjing University, for the diffraction measurements. This work was supported by the Natural Science Foundation of the Education Department of Jiangsu Province (grant No. 05KJB350084) and the Natural Science Foundation of Jiangsu Province (grant No. BK2010538).
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